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Siemens UL 489, Operating Instructions Manual, Page: 116 / 352

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Siemens UL 489 Operating Instructions Manual Download Page 116

9 – 14

Thermal memory can be switched On/Off

Trip units ETU745 - 776 make it possible to continue with the internally calculated reproduction of the thermal processes in downstream 
switchgear and consumers even if the circuit breaker is open and the electronic system has no external supply. In this way, an effective 
protection against thermal overload can also be guaranteed for frequent closing and opening processes.

The thermal memory can be activated via:

- a slide switch (ETU745)

- the graphical display (ETU776)
- TD400 and the software "powerconfig"
- the COM modules with a PC with the software “powerconfig” installed 

 (page 29-2)

.

Zone selective interlocking

If the circuit breaker is combined with a ZSI module 

 (page 9-87)

, a short-circuit occurring in systems with several grading levels can be 

precisely localized.

For this purpose, all circuit breakers are interconnected through their ZSI-modules.

When a short-circuit occurs, each circuit breaker affected by the short-circuit current queries its downstream circuit breaker to determine 
whether the short-circuit is also present in the next downstream grading level. In the direction of the energy flow, only the circuit breaker 
nearest to the short-circuit is tripped. A delay time which may have been set for the short-circuit tripping is deactivated. However, tripping 
takes place after 50 milliseconds at the earliest.

Overload protection switchable to I

4

t

The trip units ETU776 and ETU745 can be set to perform long-time protection using either I

2

t or I

4

t. I

4

t will yield faster tripping times and will 

improve coordination with many types of fuses. The ETU745 can be switched between the two modes via a slide switch and the ETU776 via 
a menu setting.

In this case, the setting options for the long delay time t

R

 change as follows:

Setting values for t

R

ETU745

t

R

 = 1 / 2 / 3 / 4 / 5 sec. (at 6 x I

R

)

ETU776

t

R

 = 1- 5 sec. (at 6 x I

R

)

Summary of Contents for UL 489

Page 1: ...eaker DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device 3ZX1812 0WL20 1AN2 923 99994 174 Operating Instructions Catalog No CBIM 01001 0119 ...

Page 2: ...act contains the entire obligation of Siemens The warranty contained in the contract between the parties is the sole warranty of Siemens Any statements contained herein do not create new warranties or modify the existing warranty TRADEMARKS Unless otherwise noted all names identified by are registered trademarks of Siemens AG or Siemens Industry Inc The remaining trademarks in this publication may...

Page 3: ...6 8 Reclosing a circuit breaker tripped by the trip unit 6 9 Removing from service 6 11 Troubleshooting 6 12 7 Frame sizes dimension drawings 7 1 Frame size I fixed mounted version 7 1 Frame size II fixed mounted version 7 6 Frame size II 3000 A 7 9 Frame size III fixed mounted version 7 10 Door cut outs fixed mounted circuit breaker 7 14 Frame size I draw out version 7 16 Frame size II draw out v...

Page 4: ...14 1 Limiting Access to OPEN CLOSE Buttons 14 1 EMERGENCY OPEN button 14 3 Operations counter 14 4 15 Locking devices 15 1 Key Locks 15 1 Breaker mounted key lock 15 2 Cradle mounted key lock 15 4 Installing racking handle key lock 15 9 Installing a Bell Alarm cover key lock 15 14 Padlocking provisions 15 15 Padlock locking the breaker OPEN 15 16 Optional Intalling padlocks 15 18 Padlock Locking d...

Page 5: ...overs 24 8 Checking contact erosion 24 9 Exchanging the primary disconnects 24 11 Exchanging the finger cluster 24 11 Catalog numbers 24 13 Exchanging the stab tip 24 14 Catalog numbers 24 15 Cleaning and greasing the circuit breaker 24 16 Cleaning and greasing the cradle 24 16 25 Primary injection testing 25 1 General Notes 25 2 Primary Injection Phase Current Testing 25 4 Primary Injection Groun...

Page 6: ...age 6 4 12 Racking handle 13 Racking shaft 14 Options label page 2 1 15 Grounding terminal 16 Position indicator page 6 2 17 Table for ground fault protection page 9 12 18 Key lock for racking handle 19 Mechanical release of racking handle option 20 Trip unit page 9 1 21 Rating Plug 22 OPEN button or EMERGENCY OPEN mushroom pushbutton option 23 Ready to close indicator page 6 7 24 Circuit breaker ...

Page 7: ...al mechanical circuit breaker interlocking option 7 Locking provision for guide rail 8 Door interlock option 9 Locking device in OPEN position option 10 Cradle mounted locking device against closing the circuit breaker in disconnect position option 11 Shutter operating device 12 Rejection feature 13 Option related coding 14 Secondary disconnects 9 13 11 5 12 8 14 1 10 7 4 6 7 3 ...

Page 8: ...x SW 52b X6 3 X6 4 X6 11 X6 12 X6 1 X6 2 X6 9 X6 10 X5 5 X5 6 X5 9 X5 10 X5 3 X5 4 X5 7 X5 8 52a 2nd Aux SW 52b 240 VAC Bell Alarm 240 VAC 5 A 5 A X9 13 X9 14 X9 12 3 A 3 A 10 A 125 VDC 0 5 A 24 VDC 3A 0131 Made in Czech Republic Assembled in USA RESET TRIPPED BELL ALARM SHOWN TRIPPED 8 7 4 6 10 1 2 5 9 3 ID No Amps Max Volts Max Frequency 50 60 Hz Interrupting Rating 480 V Suitable for continous ...

Page 9: ...t or fixed mounted circuit breaker 5 No of poles 6 Maximum rated continuous current 2 4 Trip unit designation 1 Type 2 Catalog number 3 Can be used in the following types of circuit breakers 4 Regulatory approvals on a separate label WLS2D316 1 2 3 4 5 6 N450101000001 WLN WLS WLH WLL WLF WLM 0132 01 1 2 3 4 ...

Page 10: ...l 2 6 Cradle type label 1 Catalog number 2 Rated current and voltage of the cradle 3 UL listing mark 4 Circuit breakers that can be used with this cradle 5 Sales order production order cradle identification number A second type label is attached to the baseplate inside the cradle or on one of its side walls 1 2 3 1 2 3 4 5 ...

Page 11: ...eakers to be installed in dusty or damp locations must be appropriately enclosed The circuit breaker frame and the trip units are in conformity with the standards UL 489 NAVAL use according UL 489 Suppl SB CSA C22 2 No 5 02 The cradles are in conformity with the standards UL 489 CSA C22 2 No 5 02 The accessories are in conformity with the standards UL 489 CSA C22 2 No 5 02 The molded case switches...

Page 12: ... breakers do not place them on their rear side Frame Size Weight Fixed mounted circuit breaker Draw out circuit breaker Cradle Circuit breaker Cradle I 800 A 1200 A 86 lb 137 lb 108 lb Only lift separately II 800 A 1200 A 124 lb 159 lb 112 lb Only lift separately II 1600 A 124 lb 159 lb 112 lb Only lift separately II 2000 A 130 lb 177 lb 128 lb Only lift separately II 2500 A 3000 A 141 lb 209 lb 1...

Page 13: ...rsonnel Follow instructions for use of lifting bar assembly Use OSHA NIOSH approved crane equipment and personal protection equipment for lifting moving the circuit breakers and cradles Circuit Breaker Cradle max rope NOTICE Lifting a frame size III cradle with a breaker inside may result in distortion of the cradle Remove the frame size III breaker from the cradle before lifting 3 f t ...

Page 14: ...for circuit breaker carrying handle DANGER Heavy Equipment Improper lifting will cause death serious personal injury or equipment property damage Never lift a circuit breaker or cradle above personnel Follow instructions for use of lifting bar assembly Use OSHA NIOSH approved crane equipment and personal protection equipment for lifting moving the circuit breakers and cradles NOTE Always lock the ...

Page 15: ...4 4 4 4 2 Lifting the circuit breaker Catalog No Lifting beam for circuit breaker and cradle WLLFT Portable hoist for use with the lifting beam WLHOIST 0610 1_nu 1 2 2 0614_1 3 3 4 ...

Page 16: ...ersonal injury or equipment property damage Never lift a circuit breaker fuse carriage or cradle above personnel Follow instructions for use of lifting bar assembly Use OSHA NIOSH approved crane equipment and personal protection equipment for lifting moving the circuit breakers and cradles WARNING High speed moving parts Can cause serious personal injury Discharge the closing spring before inspect...

Page 17: ...quipment Can cause serious personal injury Use care when racking the breaker into the disconnect position When a draw out circuit breaker is mounted tilting toward the front side it is possible that the circuit breaker may slide out on the rails 30 30 30 30 ...

Page 18: ...t in the mounting plane is 3 64 1mm Fixed mounted breaker 1 Mounting points Cradles for draw out breaker NOTICE Damage to finger clusters Improperly aligned bussing at the terminal connections may affect the position of the bus stabs Misaligned bus stabs may result in damage to the finger clusters during circuit breaker rack in Do not distort the cradle terminal connections when connecting to the ...

Page 19: ...it catalog no WLMETRC FS III bolts M10 washers kit catalog no WLMETRC3 Alternatively with bolts washers and nuts FS I II 5 16 M8 FS III 3 8 M10 2 Cradle with 4 holes for FS I countersunk head screws M6 or 1 4 belleville washer nuts FS II III screws M8 or 5 16 belleville washer nuts 1 2 2 ...

Page 20: ...bicle top or cradle equipped with optional cover 3 Provided by cradle holes Frame size Frame rating A Interrupting Class Minimal cubicle dimensions Insulating liner dimensions Cubicle ventilation Width W1 inch Height H inch Depth D1 inch Width W2 inch Depth D2 inch Top square inch Bottom square inch I 800 S H L 22 151 19 5 18 5 10 5 not required 1200 II 800 S L C 22 22 51 19 5 18 5 10 5 1200 1600 ...

Page 21: ...uctive parts must be maintained The required minimum clearances are specified for rated voltages of 480 V AC and 600 V AC In consideration for a ventilated switchboard the minimum installation volume is calculated based on the specified height width and depth taking into consideration the power losses of ventilated switchgear 5 1 3 2 Fixed mounted circuit breaker 1 Cubicle door A Minimum clearance...

Page 22: ...Z1 C y22 X y32 Operating voltage V 480 600 480 600 480 600 480 600 480 600 480 600 I S 60 60 470 470 25 125 100 100 0 0 60 80 H 125 80 L 140 150 120 II S 60 60 470 470 25 125 100 100 0 0 60 80 L 100 100 140 150 150 150 C 60 60 470 470 not possible 60 150 300 300 III L 60 60 710 710 25 125 100 150 0 0 150 150 C 300 300 not possible 300 300 400 400 FS BG Class 4 Dimensions for dead metal barriers1 m...

Page 23: ...ce to non conductive parts With arc chute cover Arc chute covers for draw out cradles are options for every frame size The gases are directed to the side outlets of the cradle Openings to the outside provided on the sides of the cradle shall not be blocked Ventilation openings on the upper rear ensure that no gas can escape upwards FS Class 3 Dimensions mm A1 B C u v c u2 v c u2 v c Operating volt...

Page 24: ...equired 3 Class C with phase barriers made of insulating material only page 5 5 u Minimum clearance to live parts v Minimum clearance to grounded metal parts c Minimum clearance to non conductive parts FS BG Class 3 Dimensions mm A1 B C u v c u2 v c u2 v c Operating voltage V 480 600 480 600 480 600 480 600 480 600 480 600 I S 14 14 0 0 100 100 10 10 14 14 0 0 H L 225 II S 14 14 0 0 50 100 10 10 1...

Page 25: ... terminal permits the use of 4 x busbars Drawout circuit breaker Connections to Line Load side cradle connectors Frame Size Inmax Number of available busbars mounting positions Busbar cross section Number of holes I 800 A 1200 A 1 3 4 x 1 4 II 800 A 1200 A 1600 A 1 3 4 x 1 4 2000 A 2 4 2500 A 3000 A 3 5 III 4000 A 5000 A 5 7 5 x 2 6 NOTICE Equipment Damage Cables which are connected directly to th...

Page 26: ...4 2 Remove fixed mounted circuit breaker Fixed mount circuit breaker Connection to Line Load Side terminal with vertical connectors Frame Size Inmax Number of busbars Busbar cross section Number of holes I 800 A 1200 A 1 3 3 x 1 2 II 800 A 1600 A 1 3 4 x 1 3 2000 A 2 4 2500 A 3000 A 3 5 III 4000 A 5000 A 5 7 5 x 2 4 DANGER Hazardous voltage Will cause death serious personal injury or equipment dam...

Page 27: ...ter 4 Riser 5 Socket head cap screw M12x90 6 Hex head screw M6x35 7 Socket head cap screw M12x50 Different offset NOTE The bus connectors are different for the three poles Installation as shown below 0714_nu 0715_nu 0716_nu 1 2 3 4 5 6 2 3 7 Size 10 mm 70 Nm 50 ft lb 71 lb in 8 Nm ...

Page 28: ...ng support for the lower contacts 1 Frame size II 3200 A 2 Frame size II 800 2000 A 0524 0_nu 1 6x 5 mm Size 5 Nm 45 ft lb 0643 03_nu 6x 2 3 89 lb in 5 mm 10 Nm Size 1 1 0524 1 2 5 mm Size 71 lb in 8 Nm All lower screws 6x 6x 3 2 ...

Page 29: ...5 14 Attaching vertical adapter Construction Style A Construction Style B 0643 04_nu 1 2 3 4 Size 10 mm 70 Nm 50 ft lb 0640 6 1 2 3 4 70 Nm 50 ft lb ...

Page 30: ...0 A threaded plate 6 Support 7 Vertical adapter 8 Carriage bolt M12 with belleville washer and nut NOTE Center the vertical adaptor of the center pole phase B on the copper connector of adapter and tighten it Shift the vertical adaptors 7 of the outer poles phase A B outwards until the specified distance of 5 1 4 is reached and tighten them 0644_nu 1 2 3 1 2 4 5 7 0645_nu 6 0640 7 1 2 8 1 2 4 8 7 ...

Page 31: ... III Attaching vertical adapter Alignment of vertical adapters 1 Hex head screw M12 x 80 2 Belleville washer 3 Washer 4 M12 nut 5 Vertical adapter 0643 05_nu 1 2 3 4 Size 10 mm 70 Nm 50 ft lb 1 2 3 4 5 0645 1 0647_nu ...

Page 32: ...1R12CONUL Set for 3 phases load and line II 800 1200 1600 WLL2R16CONUL 2000 WLL2R20CONUL 2500 3000 WLL2R30CONUL II Class C 800 1200 1600 2000 2500 3000 WLC2R30CONUL III 4000 5000 WLC3R50CONUL Fixed mounted circuit breaker Line Load Side Terminal Busbars with front connectors Frame Size Inmax Number of busbars Busbar cross section Number of holes I 800 A 1200 A 1 3 3 x 4 II 800 A 1200 A 1600 A 1 3 ...

Page 33: ...sor covers page 5 13 1 Spacer 2 Socket head cap screw ISO 4762 M6x55 3 Carriage bolt M12x40 with belleville washer and nut 4 Support 5 Socket head cap screw ISO 4762 M6x60 with belleville washer 6 Bracket with 2 captive nuts M6 7 Hex head screws ISO 4017 M6x50 with belleville washers 8 Socket head cap screw ISO 4762 M6x70 with belleville washer 0717_nu 3 1 2 0718_nu 1 2 3 4 5 6 5 7 7 8 8 5 ...

Page 34: ...5 19 Mounting load side 0725_nu 1 2 3 4 5 6 7 71 lb in 5 mm 8 Nm Size 0726_nu 8 9 10 11 71 lb in 5 mm 8 Nm Size 60 ft lb 85 Nm ...

Page 35: ... page 5 13 1 Short socket head cap screw ISO 4762 M6 with belleville washer 2 Short spacer 3 Carriage bolt M12 with belleville washer and nut 4 Long socket head cap screw ISO 4762 M6 with belleville washer 5 Long spacer 0719_nu 3 1 2 0720_nu 1 2 3 4 5 1600 A 2000 A 2500 A 60 ft lb 85 Nm 71 lb in 5 mm 8 Nm Size 71 lb in 5 mm 8 Nm Size ...

Page 36: ...5 21 Frame size II 3000 A Frame size III 1 Holes 14 mm 0720 1 0721_nu ...

Page 37: ...Assemble the steel bushings 3 and scews 5 again and tighten to the specified torque 8 Nm 70 lb in Lower terminals 9 Assemble the support 6 to the connector using self tapping screws M6x25 1 and tighten to the specified torque 8 Nm 70 lb in 10 Assemble screws M6 4 with belleville washers Do not tighten yet 11 Push the connector and support against the circuit breaker housing 12 Tighten the center s...

Page 38: ...asher 6 Taptite screw DIN 7500 EE M6x25 5 2 4 3 Catalog numbers Front connectors Frame size Max circuit breaker rated current I n max A Catalog No Set for 3 phases load and line I S H L 800 1200 WLH1F12CONUL Set for 3 phases load and line II S L 800 1200 1600 WLL2F16CONUL 2000 WLL2F20CONUL 2500 WLL2F25CONUL 3000 WLL2F30CONUL III L 4000 5000 WLL3F50CONUL 0722_nu 1 2 3 4 5 6 71 lb in 5 mm 8 Nm Size ...

Page 39: ...currents greater than 65 kA may cause damage to wire connectors or connected cables The use of wire connectors in switchgear with short circuit currents greater than 65 kA is not permitted Frame size Rated current No of cables per connector Connector wire range Torque I 800 A 1200 A 1 4 6 350 kcmil Cu Al 325 lb in 36 Nm II 1200 A 1 4 6 350 kcmil Cu Al 325 lb in 36 Nm 1600 A 1 6 300 600 kcmil Cu Al...

Page 40: ...crews ISO 4762 M12x35 or 1 2 x 1 1 4 with belleville washer and nut 3 2x Socket head cap screws ISO 4762 M8x50 or 3 8 x 2 with belleville washer and nut 5 2 5 3 Catalog numbers DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device Frame size Max circuit breaker rated current I n m...

Page 41: ...3 Bus connections to the cradle Clean the main conductor connection plated busbars Securing line and load side busbars Use grade 5 bolts 1 2 and Belleville washers Tighten to a torque of 70 Nm 50 lb ft 0058_u ...

Page 42: ...win wire end ferrule 2 2 x up to 14 AWG tube type without insulating sleeve 2 x up to 16 AWG tube type with insulating sleeve Connection type Strip conductors 1 x 2 x Screw clamp terminal SIGUT system 20 14 AWG1 0 5 2 5 mm2 1 20 14 AWG 1 0 5 1 5 mm2 1 Spring clamp terminal 20 14 AWG 1 0 5 2 5 mm2 1 20 14 AWG 2 0 5 2 5 mm2 2 Ring terminal system 14 16 AWG 7 mm 1 4 7 mm 1 4 Recommendation AMP PIDG s...

Page 43: ...nt 1 Arc chute 2 Secondary disconnect block Field installation 1 Dummy block 2 Secondary disconnect block 3 Secondary disconnect adapter block for high arc chutes X5 X6 X8 X9 1 2 COM15 COM16 0173 06 1 2 1 2 3 4 0173 09 3 5 6 0 7 Nm PH 1 6 lb in TX 8 or ...

Page 44: ... wiring Spring clamp terminal 5 4 2 Cradle Secondary Disconnect Blocks Field installation 1 Cradle with sliding contact modules 2 Secondary disconnect blocks Disassembly 1 Secondary disconnect block 3 0 x 0 6 1 8 1 2 1 2 1 2 1 ...

Page 45: ... Secondary disconnect terminal blocks Versions 1 Screw clamp terminal system 2 Ring terminal system 3 Insulated ring terminal 4 Screws ANSI B 18 6 3 4 5 Spring clamp terminal system 2 terminals per contact 0769 3 0 x 0 6 0 5 Nm 4 lb in 3 0 x 0 6 1 PH 1 2 3 4 1 8 0 5 Nm 4 lb in 0 5 Nm 4 lb in 3 0 x 0 6 1 8 5 ...

Page 46: ...of secondary disconnect block 2 Guide tongues Coding secondary disconnect blocks fixed mounted circuit breakers only 1 Male pin groove 2 Female socket guide 3 Module designation here X5 must be visible from the front 4 Module X5 1 2 0100 01_nu X5 X6 X5 X6 X5 X6 1 2 3 click 1 2 3 4 ...

Page 47: ...reaker Cradle secondary disconnect block 5 4 4 Wiring in cradle 1 Arcing space 2 Arcing openings 3 Mounting location for mechanical interlock 4 Carrying handle If arc chute covers are installed the wires of the secondary disconnect blocks must not be laid on these covers NOTICE Impermissable area for wires Damage to wires in this area 1 1 2 2 1 2 3 0106 01_nu 4 ...

Page 48: ...I class C only WLCNMDA Screw clamp terminal SIGUT system WLGAUXPLUGP Spring clamp terminal WLGAUXPLUGT Ring terminal system WLGAUXPLUGR Coding set WLCODEKITUL Blanking cover WLGDAUXPLUG Ring terminal crimp lug for AWG 10 wire WL10RL Cradle secondary disconnect block with integrated low profile screw clamp terminal block WLGAUXPLUGL ...

Page 49: ...or displays DISCON 2 Pull out guide rails to the end stop Place the circuit breaker into the guide rails and push it into the cradle up to the disconnected position Close cubicle door NOTE On FS I circuit breakers the racking handle is located in an upright position on the right side but is operated in the same manner NOTE Remove padlocks from the shutter and place the locking device in the stowed...

Page 50: ...ram Positon indicator Primary Circuit Secondary Circuit Cubicle Door Shutter Withdrawn position disconnected disconnected open closed Disconnected position disconnected disconnected closed closed Test position disconnected connected closed closed Connected position connected connected closed open 1 2 4 green 3 green blue red ...

Page 51: ...ull out the crank 6 1 4 Racking circuit breaker into connected position 6 1 5 Inserting racking handle NOTICE Racking Handle Damage Turning the racking handle beyond the stop will cause damage to the racking mechanism When the stop is reached rotate the racking handle counter clockwise until it can be pushed inwards 5 4 Hold 3 2 1 Position indicator blue green red Stop 1 2 3 4 ...

Page 52: ...ally e g during service on the work bench NOTE To charge the spring mechanism grip the handle firmly and carry out each stroke evenly moving the lever down as far as it will go Despite a significant increase in the required actuating force the lever must be moved as far in the ninth stroke as in the first eight When the closing spring is fully charged the lever can be moved without resistance 9 x ...

Page 53: ...operated mechanism The motor operated mechanism starts automatically when the control voltage is applied The motor switches off automatically when the charging process is completed The motor will re engage immediately following spring discharge closing operation Installing the motor operator page 13 1 0063 1 1 0063 2 2 ...

Page 54: ...3 Verify the TRIP indicator is reset Set the trip unit to appropriate values Trip units page 9 1 Apply secondary and control voltages Close the cubicle door Rack circuit breaker into connected position Push in the racking handle Charge closing spring Ensure the following conditions exist Undervoltage release energized Shunt trip s not energized Electrical closing lockout page 8 4 not energized Ele...

Page 55: ...fter the circuit breaker has closed OPEN button Remote activation NOTE The minimum time interval between ON and OFF signal of the Low Voltage Power Circuit Breakers 3WL shall not be shorter than 100 ms Indicators or Indicators Without motor operated mechanism With motor operated mechanism after 10 seconds or Indicators Without motor operated mechanism With motor operated mechanism ...

Page 56: ...d the Bell Alarm is shown reset Tripped by Trip unit Bell Alarm tripped indicator Bell Alarm Breaker indicators X9 12 X9 13 BELL ALARM SHOWN TRIPPED RESET TRIPPED X9 14 S24 Indicators Without motor operated mechanism With motor operated mechanism ...

Page 57: ...ast 10 minutes before tripping 1 Find reason for tripping 2 Indicator Overload in main conductor Overload in neutral conductor Short circuit short time delay trip Short circuit instantaneous trip Ground fault trip 3 Find and rem edy cause Check downstream load Check trip unit settings Inspect switchgear Check downstream load 4 Inspect circuit breaker Inspect contact system for possible damage Main...

Page 58: ...tional With mechanical reclosing lockout optional Manual reset of reclosing lockout Bell Alarm and tripped indicator page 10 2 7 Indicators Without motor operated mechanism With motor operated mechanism Charge the closing spring page 6 4 Closing the circuit breaker page 6 7 ...

Page 59: ...vice Fixed mounted circuit breaker Draw out circuit breaker 1 OPEN the circuit breaker 2 Disconnect secondary circuits 3 Depress the CLOSE button 4 Depress the OPEN button 5 Indicators Position indicator green Secondary circuit ...

Page 60: ...X X 6 EMERGENCY OPEN button engaged in operating position accessories Release EMERGENCY OPEN button by rotating it X X 7 Lockout effective against closing when cubicle door is open accessories Close cubicle door X X 8 Electronic trip unit missing or incorrectly installed Install electronic trip unit properly X X 9 Shunt trip energized De energize shunt trip X 10 Racking handle withdrawn Rack circu...

Page 61: ...cuit breaker is not rated for use in this cradle Replace with the proper circuit breaker permissible circuit breakers are listed on the cradle type label X When racking from the discon nected into the test position the circuit breaker does not move during the first 6 rotations approximately 2 Not a fault functional property Continue racking X Racking handle cannot be drawn out 1 Circuit breaker is...

Page 62: ...7 1 7 Frame sizes dimension drawings 7 1 Frame size I fixed mounted version 0732_nu fixed mounted circuit breaker ...

Page 63: ...7 2 Horizontal connectors 0733_nu top view ...

Page 64: ...7 3 Rear vertical connectors 0734_nu top view rear view ...

Page 65: ...7 4 Front connectors 0736_nu front view top view ...

Page 66: ...7 5 Front connectors and pressure wire terminals 0737_nu top view front view ...

Page 67: ...7 6 7 2 Frame size II fixed mounted version 0494 3_nu ...

Page 68: ...7 7 Class C always 0494 5_nu top view rear view ...

Page 69: ...7 8 2500 0738_nu LH side view front view ...

Page 70: ...size II 3000 A 1 63 41 3 1 00 25 4 1 75 44 45 22 35 567 6 1 75 44 45 21 09 535 8 4 64 117 8 5 91 150 0 8 89 225 7 0 55 14 0 1 75 44 45 1 75 44 45 5 12 130 0 5 12 130 0 3x each pole 0 26 6 65 4x each pole 0 25 6 4 M8 ...

Page 71: ...7 10 7 4 Frame size III fixed mounted version 0495 1_nu LH side view ...

Page 72: ...7 11 0495 2_nu top view top view ...

Page 73: ...7 12 0495 3_nu top view rear view ...

Page 74: ... 64 117 9 8 89 225 8 22 35 567 6 1 75 44 5 21 09 535 8 1 75 44 45 1 63 41 3 1 00 25 4 1 75 44 45 1 75 44 45 0 55 14 0 8 27 210 0 8 27 210 0 6x each pole 0 25 6 35 5x each pole 0 26 6 65 M8 0739 1 LH side view front view ...

Page 75: ...7 14 7 5 Door cut outs fixed mounted circuit breaker Frame size I 0735_nu ...

Page 76: ...7 15 Frame size II III 0496_nu ...

Page 77: ...7 16 7 6 Frame size I draw out version 0745_nu ...

Page 78: ...7 17 0746_nu rear view top view ...

Page 79: ...7 18 0747_nu bottom view ...

Page 80: ...7 19 0748_nu ...

Page 81: ...7 20 0749_nu ...

Page 82: ...7 21 7 7 Frame size II draw out version 0490 1_ul ...

Page 83: ... 00 101 6 5 18 131 6 7 37 187 3 1 75 44 5 1 75 44 5 2 31 58 7 5 25 133 3 5 25 133 3 0 25 6 3 0 25 6 3 5 25 133 3 5 25 133 3 5 75 146 1 5 25 133 3 0 25 6 3 0 25 6 4 5 25 133 3 0 25 6 4 0 25 6 3 5 25 133 3 0 25 6 4 5 25 133 3 3 74 95 0 2000A 800 1200 1600A 2500 3000A 1 75 44 5 0 53 13 5 0490 2_nu ...

Page 84: ...44 5 0 75 19 0 1 75 44 5 1 75 44 5 1 75 44 5 HORIZONTAL MAIN BUS CONNECTORS NOTE ROTATABLE MAIN BUS CONNECTORS ARE ONLY AVAILABLE UNDER THE FOLLOWING CONDITIONS 1 ONLY ACCETABLE FOR FS II 800A 2000A FRAME SIZES 2 ONLY ACCETABLE FOR SHORT CIRCUIT RATINGS OF 85KAIC OR LESS 5 25 133 3 5 25 133 3 HORIZONTAL MAIN BUS CONNECTORS 0 50 12 7 0 50 12 7 3 75 95 3 6 97 177 1 3 75 95 2 7 5 190 5 BUS CONNECTORS...

Page 85: ... Breaker Do not lift by other points Closed door racking Lifting Point Cradle only Do not lift by other points 34 80 884 Withdrawn position 15 7 398 19 13 486 0 Minimum free space for breaker racking 6 43 163 4 0 75 19 0 0490 4_ul ...

Page 86: ...7 25 7 8 Frame size III draw out version ...

Page 87: ...7 26 ...

Page 88: ...7 27 ...

Page 89: ...7 28 7 9 Door cut outs for draw out circuit breakers Frame size I 0750_nu ...

Page 90: ...Ø36 0 4 45 113 0 1 40 35 5 Max radii 4 plc s R0 39 R10 0 13 38 339 9 0 83 21 1 2 74 69 5 5 19 131 9 Max radii 4 plc s R0 08 R2 0 Only center escutcheon visible Minimal door cut out 5 63 143 1 93 49 0 10 98 278 9 4 78 121 5 R0 08 R2 0 Max radii 4 plc s 10 98 279 4 78 121 5 door sealing frame Door cut out and mounting holes for edge protector ...

Page 91: ...7 30 7 11 External sensor for neutral conductor WLNCT2 ...

Page 92: ...7 31 WLNCT3 ...

Page 93: ...00NMCT23 WLG5000NMCT23 WLG6000NMCT23 WLGNMDGCT23 7 12 Further dimension drawings Door sealing frame page 22 1 Shrouding cover page 23 2 Additional information on Cut outs for through door racking with Door sealing frame page 22 1 is given in Chapter 22 Cut outs for attaching the Plexiglas cover are shown in Chapter 23 ...

Page 94: ...only quick OPEN 0053 07_nu Internal External Terminals ANSI C37 2 device LT Control power N EMERGENCY OPEN or short terminals Phase A Phase B Phase C 24 V DC Input Terminating resistor if no external CubicleBUS module is connected 120 0 5 W Ω Short terminals if no Neutral sensor 1 2 3 4 5 6 7 8 9 10 11 12 13 14 30 52CS 52CC 52CS 52TC 79 52TC 86 52a 52b 52b 52b 52a 52a 52LC 52CC 52a 52b 52M 62 27 S...

Page 95: ...9 1 3 X6 4 X6 4 X6 2 X6 2 X6 3 X6 3 X6 1 X6 1 X5 10 X5 10 X5 8 X5 8 X5 9 X5 9 X5 7 X5 7 X5 6 X5 6 X5 4 X5 4 X5 5 X5 5 X5 3 X5 3 S1 S2 Optional auxiliary switches Internal S3 S4 Optional additional auxiliary switches 0136 01_u Wire no Terminals Terminals b a 1 3 2 4 S3 b a 1 3 2 4 S4 b a 2 4 S2 b a S1 S2 S3 S4 ...

Page 96: ...s that the undervoltage release is not energized or shunt trip is energized circuit breaker is not Ready to close S22 S20 S23 S24 Reset S20 X6 6 X6 6 X6 5 X6 5 color color sw blk bl blue bl blue bl blue Trip Reset bn or gr sw blk sw blk 1 4 COM NO NO NO NC COM COM S23 X9 10 X9 11 1 4 S24 X9 14 X9 12 X9 13 F1 S22 X9 8 X9 7 1 4 0136 02 01_u Wire no Internal Wire no er T minals Terminals TC TC UVR ...

Page 97: ...g lockout L EMERGENCY OPEN or short terminals Same installation location 1 For circuit breaker equipped with shunt trip and closing coil the combined cutoff switch S14 S15 will be used One switch NO NC is serving both coils TC TC UVR UVRD a a F1 F2 F3 F4 1 ...

Page 98: ...n as S12 1 For circuit breaker equipped with shunt trip and closing coil the combined cutoff switch S14 S15 will be used One switch NO NC is serving both coils 2 Use twin wire end ferrule Crimping tool e g Weidmüller PZ3 to PZ6 WAGO Variocrimp 4 CC S10 CC CC b 1 2 ...

Page 99: ...8 6 8 5 Motor operated mechanism Same installation location as S10 8 6 Remote Bell Alarm Reset _u S12 M 24 30 V DC 48 60 V DC L L X5 1 X5 2 BA _u F7 S13 ...

Page 100: ...nection to external voltage transformers BSS module Breaker Status Sensor c Bus system for interconnection of circuit breaker components and COM modules ETU Electronic Trip Unit S40 signaling switch Ready to close S41 signaling switch for spring charge level S43 signaling switch 2nd shunt trip F3 or F4 S44 signaling switch for main contacts OPEN CLOSE position S45 Bell Alarm signaling switch _u Ex...

Page 101: ...sensor 2 Terminating resistor 120 0 5 W on X8 1 X8 2 if no external c module is connected 3 If no metering module and no BSS module is used Direct connection X8 to ETU 4 Connection to external voltage transformers _u External Air Core Sensor Input External Iron Core Sensor Input ...

Page 102: ...tus Sensor BSS only L 1 Jumper X8 9 X8 10 if there is no external N sensor 2 Terminating resistor 120 0 5 W on X8 1 X8 2 if no external c module is connected _u External Air Core Sensor Input External Iron Core Sensor Input ...

Page 103: ...q Instantaneous short circuit protection can be switched on off q q Short time delayed short circuit protection switchable to I2 t q q Overload protection switchable to I4 t q q Changeable parameter sets q Ground fault protection to I2 t o o Ground fault alarm o o Display page 9 17 Alphanumeric display o Graphical display fixed mounted q Communication Communication via c q q Communication via PROF...

Page 104: ...round fault pickup setting Rotary coding switch ground fault alarm setting Query button Test button Option Reset Lockout prevents accidental resetting of the lock out mechanism after a trip Option Alphanumeric display Thermal memory On Off Neutral conductor protection On Off Neutral conductor overload setting Overload trip curve mode I2t I4t Rotary coding switch long time delay setting Rotary codi...

Page 105: ...ss 2 Protective functions Overload protection L tripping page 9 11 Short time delayed short circuit tripping S tripping page 9 11 Instantaneous short circuit tripping I tripping page 9 12 Ground fault tripping G tripping page 9 12 Neutral conductor protection N tripping page 9 13 Load monitoring load restore load shedding page 9 13 Leading signal for L tripping page 9 13 Thermal memory can be swit...

Page 106: ...e respective parameters Possible tolerance ranges are not included here Tolerance ranges are shown in the Easy TCC Time Current Curve Software The characteristics apply to the circuit breaker version H class 480 V frame size II with ground fault protection module L tripping S tripping ...

Page 107: ...9 5 I tripping Ground fault tripping ...

Page 108: ...ng G tripping page 9 12 Neutral conductor protection N tripping page 9 13 Load monitoring load restore load shedding page 9 13 Leading signal for L tripping page 9 13 Thermal memory can be switched On Off page 9 14 Ground fault protection modules page 9 44 Characteristics The ranges shown in the following are only setting ranges of the respective parameters Possible tolerance ranges are not includ...

Page 109: ...ersonnel are at the same potential Mechanical RESET for Bell Alarm and Rating Plug Indicators Trip cause indicator 1 Query button Test button Areas to record protective settings Option Ground fault module COMMUNICATIONS Trip unit activated Overcurrent alarm Areas to record protective settings Option Reset Lockout Graphical display Trip unit error indicator Indicators Ground fault alarm Ground faul...

Page 110: ...rotection N tripping page 9 13 Load monitoring load restore load shedding page 9 13 Leading signal for L tripping page 9 13 Thermal memory can be switched On Off page 9 14 Ground fault protection modules page 9 44 Characteristics The ranges shown in the following are only setting ranges of the respective parameters Possible tolerance ranges are not included here Tolerance ranges are shown in the E...

Page 111: ...current alarm Steady LED if I IR Communication active Another CublicleBUS module has been recognized and communication started Extended protective function has tripped due to metering function trip cause saved in event memory trip cause readable via TD400 and the software powerconfig the COM modules with a PC with the software powerconfig installed page 29 2 graphical display ETU776 external digit...

Page 112: ...or flashes Limited protective function the protective parameters are reset to minimum values Causes Rated current of the Rating Plug is higher than that of the circuit breaker Rotary coding switch in undefined intermediate position Trip unit defective 2 T U Error lights up continuously Protective function not available Causes Rating Plug not compatible with circuit breaker type Trip unit defective...

Page 113: ...he delay time 0 02 sec is not an I2 t function The motor protection function is activated in this position 2 For settings tsd 0 4 sec the maximum possible setting Isd is reduced automatically according to the frame size Frame size I 15 kA Frame size II 20 kA Frame size III 30 kA The setting OFF for trip units ETU745 and ETU776 is provided to deactivate the short time delayed short circuit protecti...

Page 114: ...page 9 44 The response value Ig together with the setting for the delay time tg determines the shutdown of ground fault currents If the zone selective interlocking ZSI page 9 14 is used and the ZSI module is set to S or S G the adjusted delay time tg is auto matically set to 100 ms provided that in the event of ground fault the circuit breaker does not receive a blocking signal from a downstream c...

Page 115: ...U776 TD400 and the software powerconfig the COM modules with a PC with the software powerconfig installed page 29 2 Leading signal for L tripping Trip units ETU745 776 provide a leading signal for L tripping which is transmitted via the CublicleBUS 100 milliseconds before overload tripping In this way it is possible e g to disconnect thyristor controllers Phase loss sensing When phase loss sensing...

Page 116: ...cuit breakers are interconnected through their ZSI modules When a short circuit occurs each circuit breaker affected by the short circuit current queries its downstream circuit breaker to determine whether the short circuit is also present in the next downstream grading level In the direction of the energy flow only the circuit breaker nearest to the short circuit is tripped A delay time which may...

Page 117: ...776 TD400 and the software powerconfig the COM modules with a PC with the software powerconfig installed page 29 2 Changeable parameter sets The trip unit ETU776 contains two complete sets of protective parameters and can be switched between them locally or remotely This enables lowering instantaneous and short time settings for arc flash mitigation as well as changing parameters when the source o...

Page 118: ... providing better selectivity of the ground fault protection in systems with several grading levels The setting options for the delay time remain unchanged Switchover to the I2 tg characteristic can be made via the tg rotary coding switch ETU745 this must be set to a value in the white area the graphical display ETU776 TD400 and the software powerconfig the COM modules with a PC with the software ...

Page 119: ...9 17 9 1 6 ETU displays 9 1 6 1 Alphanumeric display Trip units ETU745 can be fitted with an alphanumeric display Overview 1 Screen 4 lines with 20 characters each 2 Up key 3 Down key ...

Page 120: ...emove sealing cap of trip unit if applicable page 9 53 Removing dummy flange Installing display and latching it tight Fit and seal trip unit sealing cap if applicable page 9 53 Reconnect external 24 V DC voltage supply if applicable DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this d...

Page 121: ...inclined upwards OPEN the circuit breaker and discharge the closing spring page 24 2 Disconnect external 24 V DC voltage supply if applicable Remove trip unit sealing cap if applicable page 9 53 Removing the display DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device 5 1 2 3 4 ...

Page 122: ...ugh 180 insert and lock it into place Fit and seal the trip unit sealing cap if applicable page 9 53 Reconnect external 24 V DC voltage supply if applicable Catalog number Catalog No Alphanumeric display for ETU745 WLLCD48 2 3 1 ...

Page 123: ... seconds If there is no metering module installed the display changes continuously back and forth between screens 1 and 2 If there is a metering module installed a total of five screens are displayed in Autoscroll mode To access Autoscroll mode press the following button s In Fixed screen display mode In Tripping counter reset mode In Contrast setting mode In Parameter setting mode Do not press an...

Page 124: ...31 Screen 5 Energy positive direction Energy negative direction Present direction of energy flow Frequency NOTE The data to be displayed are updated every time the screen page is set up again No updates take place when a screen page is being displayed Button functions in Autoscroll mode Display is frozen Switchover to Fixed screen display mode Change to Parameter setting mode Change to Contrast se...

Page 125: ...nstructions Button functions in Fixed screen display mode Change to next higher screen level Change to Autoscroll mode Change to Tripping counter reset mode NOTE The counter should only be reset after contact maintenance If the counter is reset without contact maintenance having been performed the maintenance information displayed will not corre spond to the actual condition of the contacts To acc...

Page 126: ...ipping counter reset mode If screen 1 is displayed Canceling no counter reset to zero Change to Autoscroll mode Counter reset to zero Change to screen 2 If screen 2 is displayed Change to Autoscroll mode Screens displayed in Tripping counter reset mode Trips and Ops Counter reset continue or or or ...

Page 127: ...g mode Screen 1 Setting Load shedding Screen 2 Setting Load restore Screen 3 Setting Delay time Load shedding load restore Screen 4 Setting Display language XXXX may be ENGL or GERM Screen 5 Parameter settings are being changed switches to Auto scroll mode after 10 seconds NOTE When screen 1 2 3 or 4 is displayed and no key is pressed within 10 seconds Parameter setting mode is canceled Any parame...

Page 128: ...ed in Contrast setting mode Screen 1 Contrast setting The longer the bar the higher the contrast Button functions in Contrast setting mode Increases the contrast Reduces the contrast Accept the contrast switch to the Autoscroll mode Screens displayed in Tripping info mode Tripping type Phase affected XX may be L S I G N M1 YY may be L1 L2 L3 Button functions in Tripping info mode Display of mainte...

Page 129: ...his is only displayed if a ground fault protection module is installed Delay time for ground fault protection this is only displayed if a ground fault protection module is installed Inverse time delay I2 t dependent of ground fault protection this is only displayed if a ground fault protection module is installed Inverse time delay I2 t dependent for overload tripping Inverse time delay I4 t depen...

Page 130: ...the operating keys provided on the trip unit 1 Graphical display 2 Operating keys Display overview 1 Menu title 2 8 line alphanumeric display or graphical representation of characteristics 3 Status line Status line The status line shows by means of bold symbols which actions the operator can carry out and which settings are currently active at this moment 1 Access with password only 2 Maintenance ...

Page 131: ...pdated during the measurement Display during operation After the supply voltage is applied the display switches from the power up screen to the operational screen after approximately 5 seconds It shows the currents in the three phases and in the neutral conductor as numerical values and in the form of a bar diagram The background illumination of the display is automatically switched off after appr...

Page 132: ...vigating in the menu structure Use the operating keys to navigate in the menu structure Selection of a menu item Button functions Shift the marking Select the marked menu item Switch back to the previous menu ...

Page 133: ... 5 0 F enter esc kW down 8x up 8x down 7x up 7x kW enter esc enter esc PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB M A I N M E N U M E T E R I N G F R E Q U E N C Y F R E Q M e t e r i n g I a v g 7 5 2 A F r e q 5 0 0 2 H z f m i n 5 0 0 2 H z D i a g n o s t i c U a v g 4 0 1 V 2 8 J A N 0 3 V i e w P a r a m e t e r P 2 7 7 I T H D 1 0 1 6 2 9 3 2 0 1 C h...

Page 134: ...H z 6 0 0 0 0 T e m p 2 2 5 0 F 7 3 0 3 0 H A R M O N I C S 2 2 0 0 0 0 2 3 0 0 0 0 2 4 0 0 0 0 2 5 0 0 0 0 2 6 0 0 0 0 2 7 0 0 0 0 2 8 0 0 0 0 2 9 0 0 0 0 esc enter enter esc kW down 8x up 8x down5x up 5x k W down 28x up 28x PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB M A I N M E N U V I E W P A R A M E T E R P R O T P A R S E T B L T r i p M ...

Page 135: ... 8x up 8x enter esc enter enter esc k W k W k W k W k W k W PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB M A I N M E N U D I A G N O S T I C M A I N T E N A N C E M e t e r i n g Wa r n i n g s T o t a l O p s 2 2 7 D i a g n o s t i c T r i p L o g O p s w l o a d 1 2 5 V i e w P a r a m e t e r S e t p o i n t s S I T r i p s 2 C h a n g e P a r a m e t e r M a i n t e n...

Page 136: ... G G E R T R I P E V E N T P R O T P A R A M E T E R S T r i p E v e n t P r o t P a r a m e t e r s L T r i p S e t p o i n t E v e n t C u r r e n t S T r i p O v e r l o a d V o l t a g e I T r i p N o T r i g g e r R e a l P o w e r G T r i p F r e q u e n c y N T r i p P O S I T I O N P O S I T I O N P O S I T I O N 0 s 1 s 0 s 1 s 0 s 1 s P r e T r i g P r e T r i g P r e T r i g 0 8 0 s 0 3...

Page 137: ...G G E R A T r i g g e r L T r i p P o s i t i o n 0 s 1 s R e s e t S t a r t S E T T R I G G E R A R E S E T S T A R T T r i g g e r L T r i p T r i g g e r A N o w M o n i t o r i n g P o s i t i o n 0 s 1 s R e s e t S t a r t esc enter esc enter esc enter esc esc enter esc enter enter enter 3 sec T T T PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB ...

Page 138: ...e r S e t p o i n t s C h a n g e P a r a m e t e r M a i n t e n a n c e I d e n t i f i c a t i o n C u b i c a l B U S C l e a r Wa v e f o r m D i s p l a y S e t u p C U R R E N T S U P L O A D A E V E N T S U p l o a d A E v e n t s U p l o a d B E v e n t s P l e a s e Wa i t U p l o a d I n P r o c e s s enter esc enter esc goto DISPLAY GRAPH in example 9 enter enter esc esc PAR A TRIG AB ...

Page 139: ...A D E v e n t U p l o a d C u r r e n t s D i s p l a y G r a p h C u r r e n t s G N V o l t a g e s U P L O A D A E V E N T S T r i g g e r H a s N o t O c c u r r e d enter esc enter esc enter 5 sec enter esc PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB ...

Page 140: ...d e n t i f i c a t i o n C u b i c l e B U S C l e a r Wa v e f o r m D i s p l a y S e t u p D I S P L A Y WA V E F O R M D I S P L A Y G R A P H E v e n t U p l o a d D i s p l a y G r a p h T r i g g e r A C u r r e n t s R e c o r d e d D I S P L A Y G R A P H N o D a t a A v a i l a b l e P l e a s e U p l o a d E v e n t enter 5 sec enter esc enter esc 5 sec enter PAR A TRIG AB PAR A TRIG A...

Page 141: ...L 3 L 3 L 3 L g L g L g L N L N L N I L 1 0 A I L 1 1 0 0 0 0 0 A I L 1 1 0 0 0 0 0 A t 0 0 0 0 s t 0 0 0 8 s t 0 0 0 8 s I L 2 WA V E F O R M L 1 L 3 L g L N I L 2 8 0 0 0 0 A t 0 0 0 8 s esc goes to DISPLAY WAVEFORM menu enter esc enter 8X down 2X enter X X T X X T T T T T PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB X T T PAR A TRIG AB ...

Page 142: ... n T a u 1 0 0 P R O T P A R S E T B P R O T P A R S E T B P a r a m e t e r C h a n g e P a r a m e t e r C h a n g e N o t S a v e d S a v e d enter enter enter esc esc esc PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB M A I N M E N U D I S P L A Y S E T U P P A S S WO R D M e t e r i n g S y s t e m T i m e E n t e r N e w P s w r d D i a g n o s t i c L a n g u a g e V ...

Page 143: ...nter S a v e P a r a m e t e r C h a n g e s Y E S E S C N o all greyed except key pencil esc enter down enter esc esc enter esc PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB P A S S WO R D P A S S WO R D E n t e r N e w P s w r d E n t e r N e w P s w r d 7 7 2 6 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 P A S S WO R D enter S a v e C h a n g e s Y E S E S C N o esc enter esc esc enter e...

Page 144: ...p enter esc enter esc PAR A TRIG AB PAR A TRIG AB PAR A TRIG AB ESC M A I N M E N U C L E A R M e t e r i n g C u r r e n t F a u l t D i a g n o s t i c M i n M a x B u f f e r V i e w P a r a m e t e r T e m p M i n M a x C h a n g e P a r a m e t e r T r i p L o g I d e n t i f i c a t i o n M a i n t e n a n c e I n f o C l e a r D i s p l a y S e t u p M I N M A X B U F F E R M I N M A X B U ...

Page 145: ...ting Plug smaller than 800 A All set protection parameters are adjusted accordingly It is not permitted to operate the trip unit without a Rating Plug If a circuit breaker is nevertheless started up without a Rating Plug the T U ERROR indicator will light up and the trip unit settings will default to the lowest possible settings for that frame rating Frame size Rating Plug Catalog No I II III q q ...

Page 146: ...t has the following current carrying capability max 1 A continuous max 5 A for 0 5 sec NOTICE Circuit breaker may trip If the trip settings are changed while the breaker is closed and under load the breaker may trip Adjust parameters only when the circuit breaker is in the open position Trip unit Ground fault protection module ETU745 GFM A 745 alarm only GFM AT 745 alarm and trip ETU776 GFM A 776 ...

Page 147: ...ection accessible only when the control panel or the trip unit itself is removed Rotary switch for ground fault alarm setting value Ground fault alarm indicator Rotary switch for ground fault delay setting tg I2 tg Changeover switch for ground fault detection Rotary switch for ground fault protection setting value Rotary switch for ground fault alarm setting value Indicators ground fault alarm gro...

Page 148: ... graphical display ETU776 TD400 and the software powerconfig the COM modules with a PC with the software powerconfig installed page 29 2 Ground fault detection selectable vector sum I L1 L2 L3 N external iron core ground fault current sensor 1200 A 1 A Ground fault detection mode Labeling areas for recording setting values Labeling areas for recording setting values Ground fault alarm indicator Gr...

Page 149: ...andheld test device page 9 99 Install and seal sealing cap of trip unit if applicable page 9 53 8 DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device WARNING High speed moving parts Can cause serious personal injury Discharge the closing spring before inspection and before carry...

Page 150: ...9 48 Catalog numbers Ground fault protection module Catalog No GFM A 745 WLGFA48 GFM AT 745 WLGFM48 GFM A 776 WLGFA76 GFM AT 776 WLGFM76 ...

Page 151: ...ll cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device WARNING High speed moving parts Can cause serious personal injury Discharge the closing spring before inspection and before carrying out any work on the circuit breaker 2 3 During installation 1 5 Nm 44 lb in PH 2 5 4 ...

Page 152: ... Voltage Power Circuit Breaker catalog If a trip unit with another configuration than the existing one is installed the Catalog No on the options label of the circuit breaker must be changed according to the catalog data Please contact the technical assistance hotline if you have any queries Remove connectors N sensor 1 1 Equipment dependent on type Current sensors Energy transducer BSS module 1 6...

Page 153: ...will light up one after other from left to right or from top to bottom 3 The flashing time corresponds to the long time delay tR The flashing time deviates more than 10 from the set long time delay tR 4 The L tripping indicator lights up Test OK T U ERROR indicator lights up Test not OK Test not OK Trip unit is defective even if the L tripping indicator lights up 5 LED goes out after 30 sec End of...

Page 154: ... time corresponds to the long time delay tR The flashing time deviates more than 10 from the set long time delay tR 4 Circuit breaker trips Test OK Circuit breaker does not trip Test not OK Test not OK Trip unit is defective even if the circuit breaker trips 5 q Reclosing a circuit breaker trip ped by the trip unit page 6 9 Test with handheld test device Check wiring between trip unit and tripping...

Page 155: ...9 53 9 1 11 Sealing and locking device NOTE Keep sealing wire as short as possible Catalog No ETU745 WLTUSC55 ETU776 WLTUSC76 2 1 lock seal 1 2 remove ...

Page 156: ... with 6 outputs each a maximum of three modules with different configurations or versions can be connected ETU Electronic trip unit Metering Metering function or metering function PLUS Modbus TCP Fieldbus for connection of energy management systems and automation systems Open Close Opening coil and closing coil for opening and closing the circuit breaker via communication PROFIBUS DP PROFINET IO F...

Page 157: ...r BSS 1 Spring charge signaling switch 2 Signaling switch OPEN CLOSE position S44 3 Ready to close signaling switch 4 S45 Bell Alarm signaling switch 5 Signaling switch for connected position S46 6 Signaling switch for test position S47 7 Signaling switch for disconnected position S48 8 Signaling switch S43 UVR or 2nd shunt trip 0206 3 Trip Unit UVR or 2nd shunt trip Springs c 1 2 3 4 5 6 7 8 ...

Page 158: ...eplace the trip unit page 9 49 1 BSS 2 Actuating shaft 3 BSS 4 Ready to close indicator 5 Drive shaft 6 Carrier DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device WARNING High speed moving parts Can cause serious personal injury Discharge the closing spring before inspection an...

Page 159: ...g signaling switch S43 to the 2nd shunt trip UVR 1 Rocker 2 Signaling switch 3 Guide 4 Groove Attaching signaling switch S45 to the ETU carriage 1 black wiring 1 2 3 4 UVR 2nd shunt trip signaling switch S 43 1 S45 ...

Page 160: ...ck X8 The second cconnection is made according to the circuit breaker equipment Circuit diagrams page 8 1 1 ETU745 776 without metering function 2 ETU745 776 with metering function 3 X51 X52 External conducted cubicle bus link does only exist in release 1 release 2 uses an internal link ...

Page 161: ...try siemens com cs ww en view 109757987 System manual for 3WL 3VL circuit breakers with communication capability Modbus https support industry siemens com cs ww en view 39850157 System manual for 3WL 3VL circuit breakers with communication capability PROFIBUS https support industry siemens com cs ww en view 12560390 IT Security In order to protect plants systems machines and networks against cyber...

Page 162: ...the storage spring page 24 2 Pull the breaker into maintenance position page 24 3 S46 S47 und S48 Signaling switch for sensing the position of the circuitbreaker in the guide frame for forwarding to the respective fieldbus and the c 1 COM module S46 S47 S48 2 COM module ...

Page 163: ...ng module to the withdrawable circuit breaker For actuating signaling switches S46 S47 and S48 For frame size II and frame size III L C class 2 1 Dummy auxiliary plug X7 Lift slightly only 3 Spring loaded pin Operating module 1 2 3 4 PZ 3 ...

Page 164: ...acle auxiliary connectors and sliding contact module for guide frames page 5 27 Designation Assignment Terminal X8 1 c X8 1 X8 2 c X8 2 X8 3 24 V DC X8 3 X8 4 24 V DC GND X8 4 NOTICE If no external c modules are connected to the COM module the terminating resistor must be plugged into the cterminal Absence of the terminating resistor can cause errors and potentially loss of communications PZ 2 2 1...

Page 165: ... of these inputs and outputs can be found in the relevant system manuals IEC 61558 SELV PELV UL 1310 Class 2 Power Supply Only Voltage Max Current COM15 16 COM35 Power Supply 24 V DC 125 mA 125 mA Write Enable 10 mA 10 mA Free IN 10 mA 10 mA Free OUT 400 mA 400 mA 1A Tamb 40 C Close 400 mA 400 mA Open 400 mA 400 mA ...

Page 166: ...nals for user connection to additional functions 2 RJ45 sockets for PROFINET IO and Modbus TCP connection 3 Function select button 4 Activity LED PROFINET IO 5 Activity LED Modbus TCP 6 Activity LED c 7 Connections to the secondary disconnect contact system X8 8 cconnection for connecting external cmodules or a cterminating resistor Note The COM35 module can be specified as part of the circuit bre...

Page 167: ... Above that the current carrying capability of the output should be de rated to 400mA at 70C 158F The length of the wires connecting the activation switch to the input of the COM35 should be less than 50m 165ft and be AWG18 Twisted shielded pair wiring is recommended for cable runs approaching this length LED Indication Meaning PROFINET IO green Normal PROFINET IO communcation green flashing Commu...

Page 168: ... c LED 4 PROFIBUS DP LED 5 Connecting cables to secondary connector X8 6 c connection for connecting external c modules or for the terminating resistor Indicators LED Indication Significance PROFIBUS DP off No 24v dc power connected green PROFIBUS DP communication active red Bus fault or bus not responding c off No c modules found or no 24v dc power connected green c communication active green fla...

Page 169: ...ation Assembly is done as for the COM35 module for the guide frame page 9 60 for fixed mounted breakers page 9 62 Installation and operating is described in the system handbook with document order number 3ZX1012 0WL10 1AC1 It can be downloaded free of charge from http support automation siemens com WW view en 39850157 Indicators LED Indication Significance PROFIBUS DP off No 24v dc power connected...

Page 170: ...active the module will reject all incoming packets that would normally change the state of an output open close circuit breaker or change protective parameters Normal polling and communication of data are not affected The following commands are blocked if the Write Enable input is inactive opening closing circuit breaker resetting after a trip Changing any protective function parameters and extend...

Page 171: ...ate of a single Control Bit or Extra Flag 15 Write Multiple Coils Sets the state of multiple Control Bits and Extra Flags 04 Read Input Registers Reads the Basic Data Registers Three Basic Types 1 2 and 3 are supported 03 Read Holding Registers Reads a complete data set 16 Write Multiple Registers Writes a complete data set 07 Read Exception Status Reads the state of eight Exception Status bits 08...

Page 172: ... The following numbers are used to identify the selected parity If the COM16 module receives an invalid parity the invalid parity will be ignored Auto configuration of baud rate and parity The factory settings for baud rate and parity are 19200 baud and Even Parity These settings may be changed either by writing from the master to data points 427 and 428 in register 40994 0xA022 or via the auto co...

Page 173: ...962 4 HIGH Reserved 8 5 LOW Modbus RTU address 5 COM16 COM11 COM21 Unsigned char 8 0 40963 6 HIGH Basic data type 1 2 or 3 6 COM16 COM11 COM21 Unsigned char 8 7 LOW Reserved 8 40964 8 Changeable data points in the basic data 7 COM16 COM11 COM21 Unsigned char 224 40984 48 HIGH Modbus baud rate 427 COM16 COM11 COM21 Unsigned char 8 49 LOW Modbus parity 428 COM16 COM11 COM21 Unsigned char 8 40994 68 ...

Page 174: ...umber WL 0 1 Circuit breaker position 00 disconnected position 01 connected position 10 test position 11 circuit breaker not present 2 3 Circuit breaker status 00 not ready 01 circuit breaker open 10 circuit breaker closed 11 circuit breaker tripped 4 Circuit Breaker is Ready to close 5 Undervoltage release 6 Closing spring charged 7 Overload warning 8 Setpoints active 9 Warning s active 10 Modbus...

Page 175: ...n circuit breaker 10 close circuit breaker 11 no action 2 clear reason for trip 3 Not used 4 User output 0 User output Off 1 User output On 5 Not used 6 Not used 7 Not used Extra Flags 8 9 not used 10 Clear log book 11 Clear all min max values 12 Clear temperature min max values 13 Not used 14 Clear maintainance counters 15 Synchronize system clock at a rising edge Sets the time to xx 30 00 00 Byt...

Page 176: ...Basic Data Type 1 Registers and Default Data Points Register Byte Name Default Data Point WL 1 0 1 Status Register WL status bits 2 2 3 Data Block 1 Phase L1 current 3 4 5 Data Block 2 Phase L2 current 4 6 7 Data Block 3 Phase L3 current 5 8 9 Data Block 4 Current in phase under highest load 6 10 Block 1 property byte Property byte of phase L1 current 11 Block 2 property byte Property byte of phas...

Page 177: ... 8 Total active energy of 3 phasesa a Only 2 bytes of the 4 byte data point will be communicated range 0 65535 MWh 10 18 Block 1 property byte Property byte of phase L1 current 19 Block 2 property byte Property byte of phase L2 current 11 20 Block 3 property byte Property byte of phase L3 current 21 Block 4 property byte Property byte of current in phase under highest load 12 22 Block 5 property b...

Page 178: ... Data Block 14 Total apparent power of 3 phases 16 30 Block 1 property byte Property byte of phase L1 current 31 Block 2 property byte Property byte of phase L2 current 17 32 Block 3 property byte Property byte of phase L3 current 33 Block 4 property byte Property byte of current in phase under highest load 18 34 Block 5 property byte Property byte of current in neutral conductor 35 Block 6 proper...

Page 179: ...smitted by the COM module via PROFIBUS DP PROFINET IO Modbus RTU or Modbus TCP and passed on to the outputs of external c modules Based on this data conclusions can be drawn about the condition of the power system To use the metering function without communication an external 24 V auxiliary voltage supply is required In addition to the values for the currents the metering function PLUS provides da...

Page 180: ... factors cos L1 cos L2 cos L3 0 6 1 0 6 0 6 1 0 6 0 04 0 04 Power factor total 0 6 1 0 6 0 6 1 0 6 0 04 0 04 Ampere demand per phase of currents IL1 IL2 IL3 30 8000 A 1 of measurement range 3 phase ampere demand 30 8000 A 1 of measurement range Active power demand per phase in L1 L2 L3 13 8000 kW 2 of apparent power P F 0 6 3 phase active power demand 13 8000 kW 2 of measurement range Apparent pow...

Page 181: ... parameters can be adjusted via TD400 and the software powerconfig the COM modules with a PC with the software powerconfig installed page 29 2 the graphical display ETU776 Parameter Range Delay Undervoltage 100 1100 V 0 15 sec Overvoltage 200 1200 V 0 15 sec Active power in normal direction 1 12000 kW 0 15 sec Active power in reverse direction 1 12000 kW 0 15 sec Overfrequency 40 70 Hz 0 15 sec Un...

Page 182: ...30 12000 A 0 255 sec Neutral overcurrent 30 10000 A 0 255 sec phase current unbalance 5 50 0 255 sec current demand 30 10000 A 0 255 sec undervoltage 100 1100 V 0 255 sec phase voltage unbalance 5 50 0 255 sec overvoltage 100 1100 V 0 255 sec overpower in normal direction 1 12000 kW 0 255 sec KW reverse 1 12000 kW 0 255 sec KW demand 1 12000 kW 0 255 sec KVA demand 1 12000 kVA 0 255 sec KVAR deman...

Page 183: ...g is stopped and the current or voltage waveforms at the time of the event can be observed on a visual display graphical LCD laptop or PC The time window is one second the resolution is 1649 values second The waveform buffers can also be started or stopped individually via the communication channels PROFIBUS DP PROFINET IO Modbus TCP Modbus RTU c The waveform buffers can be parameterized via TD400...

Page 184: ...e working on this device Note Required primary and secondary overcurrent protection fusing not shown for clarity to X8 8 to X8 7 to X8 6 to X8 5 L1 L2 L3 LN 120V 3 primary bus configuration VT primary connection VT primary connection 3 4W System Wye L N L G Connection VL L VL L 3 VL L 3 Secondary Primary 277V 69V assuming 480V LL VL L 480V 120V Metering VT Settings Delta Wye Delta VT Primary 480 f...

Page 185: ...module to the circuit breaker does not exceed 6 5 ft Connection setup The cmodules must only be connected to each other and to the circuit breaker using the pre assembled cables supplied These cables are also used for the 24 V DC voltage supply of the cmodules If more than two cmodules are connected the 24 V DC voltage supply must be fed via a separate cable from module to module Only one cmodule ...

Page 186: ...necting cable to 1st module 4 conductor conductors X8 4 X3 1 twisted with X8 3 X3 4 and X8 1 X3 2 twisted with X8 2 X3 3 2 Connecting cables between modules 3 cmodules 4 Terminating resistor 120 0 5 W 5 Cable connection for 24 V DC voltage supply ...

Page 187: ...en the X8 and the first cmodule for 24 V DC voltage supply 2 Connecting cables between cmodules 3 cmodules 4 Terminating resistor 120 0 5 W 5 Connecting cables between the modules for 24 V DC voltage supply 6 Connecting cable between the COM module and the first cmodule with two RJ45 plugs 7 COM module ...

Page 188: ...able NOTICE Unintended operation of the circuit breaker and other devices The test circuits of this unit emit real output signals that may cause operation of the circuit breaker and other devices that may be connected to the associated cmodule During the test the circuit breaker and downstream devices shoud be isolated to prevent unintended device operations Pressing the TEST Button Reaction Twice...

Page 189: ...ed If S or S G is selected on the ZSI module and the circuit breaker does not receive a blocking signal ZSI IN from its downstream circuit breaker in the event of short circuit the delay time setting for the short circuit trip is set to 50 ms If a short circuit is detected a blocking signal ZSI OUT will be sent to the upstream circuit breakers The trip takes place after 50 ms It typically delays b...

Page 190: ...d 20 circuit breakers at the ZSI OUT output Note Prior to testing the circuit breaker via primary injection and while 24v dc is applied to the trip unit and ZSI module turn the rotary switch to OFF If this is not done the trip unit will remember being part of the ZSI system and will always trip according to its ZSI time 80ms during a short time overcurrent test instead of in its set delay Be sure ...

Page 191: ...accordingly For trip units ETU776 it is possible as an alternative to use an input signal of this type at input 1 to switch between two different sets of pro tection parameters if provided Installation page 9 83 Connection Connection setup page 9 83 A maximum of two digital input modules can be operated on the c at the same time 1 module with the BUS INPUT setting 1 module with the PARAMETER SWITC...

Page 192: ...the respective fieldbus PARAMETER SWITCH Input 1 is used for parameter switchover All other inputs have no function No input signal LED 1 not lights up Parameter set A activated Input signal available LED 1 lights up Parameter set B activated NOTE The parameter switchover query can be overruled by a query via the PROFIBUS DP Modbus RTU and Modbus TCP PROFINET IO communication the TD400 or the grap...

Page 193: ...ing versions with rotary coding switch and relay outputs configurable and with relay outputs Installation page 9 83 Connection Connection setup page 9 83 If a combination of digital output modules with rotary switch and configurable digital outputs is to be connected to a circuit breaker the following can be connected per circuit breaker 1 digital output module with rotary coding switch and output...

Page 194: ...t Digital output modules with rotary switch 1 Output assignment 1 2 Delay time setting 3 Output assignment 2 Configurable digital output modules Terminal assignment of digital output module X4 Outputs 4 6 X5 Outputs 1 3 1 2 3 ...

Page 195: ...ng contact overload tripping S Signaling contact short time delayed short circuit tripping I Signaling contact instantaneous short circuit tripping G Signaling contact ground fault tripping G ALARM Signaling contact ground fault alarm N Signaling contact neutral conductor tripping Delay time setting TRIP 0 2 sec ALARM 0 2 sec Output assignment 2 ALARM PRE TRIP Signaling contact leading signal over...

Page 196: ...ation can be changed using the with the TD400 through the test connector of the trip unit through a COM module using the PC software powerconfig page 29 2 Indicators page 9 86 Testing page 9 86 Default Event Settings 1 Parameter Set B Active 2 Load Shed Alarm Active 3 Circuit Breaker Open 4 Circuit Breaker Tripped 5 Parameter Set B Active 6 Circuit Breaker Closed ...

Page 197: ...tion setup page 9 83 A maximum of 2 analog output modules can be connected the rotary coding switches of these modules must however have different settings Terminal assignment Settings Changing settings page 9 86 The measured values to be signaled are adjusted using the rotary switch They are always present on the two terminal strips in the corresponding format The following values are available a...

Page 198: ...ction c module Catalog No ZSI module WLZSIMD Analog output module WLANLGCUB Digital output module with relay output WLRLYCUB Digital output module with relay output parameterizable WLRLYCCUB Digital input module WLDGNCUB ccable 1 m WLCBUSCABLE1 ccable 2 m WLCBUSCABLE2 ccable 0 2 m WLCBUSCABLE02 ccable 4 m WLCBUSCABLE4 ccable 9 m WLCBUSCABLE9 ...

Page 199: ...Version with copper connectors 5 Connector P2 6 Connector P1 Dimension drawings page 7 30 Terminal assignment Remove bridge X8 9 X8 10 This arrangement ensures the same direction of the current flow for the circuit breaker and the external neutral sensor 1 2 3 4 5 6 Main conducting path 0377_nu S1 P1 P2 S2 X8 10 X8 9 1 2 3 4 5 6 External N sensor ...

Page 200: ...rements of UL class 2 The Siemens power supply listed below may be used to supply power to a single circuit breaker A second circuit breaker requires its own power supply The external power supply used for electronic components must not be used to supply the motor operated mechanism When using voltage supply units from other manufacturers the following conditions must be fulfilled Primary switched...

Page 201: ... values of the overload release Setting value IR 1 0 In Interrupt external voltage supply for the electronic system if present Remove the cap from test connector X25 of the trip unit NOTICE Circuit breaker may trip If the trip settings are changed while the breaker is closed and under load the breaker may trip Adjust parameters only when the circuit breaker is in the open position Cat No WLTS Rev ...

Page 202: ...g the START button for at least three seconds It is also possible to test a trip unit that is already activated i e one that is supplied by an external voltage source However it must be taken into account that the ETU STATUS LED may briefly flash twice when the status test result is displayed even if there have not been any faults As a precaution the status test should be repeated without external...

Page 203: ... the LED will flash The type of flashing indicates what type of fault is present fault codes are listed on page 9 104 Short time delayed tripping Test The short time delayed short circuit tripping function and the trip unit circuitry can be tested using the test device 1 Charge the circuit breaker 2 Close the circuit breaker 3 Press the S button The circuit breaker will trip after the set short ti...

Page 204: ...light up continuously green If a fault is detected the LED will flash The type of flashing indicates what type of fault is present fault codes are listed on page 9 104 Testing the measured value display This function works by inputting a signal into the trip unit The signal is displayed as a single phase current on the trip unit s display and the current s measured value is also transmitted via th...

Page 205: ...9 103 9 4 6 Finishing Restore the documented settings Mount the cover on X25 9 4 7 Catalog numbers Catalog No Handheld test device WLTS Replacement cables WLTSC ...

Page 206: ... Signals 3 Reset Bell Alarm Electrical remote reset Option Electrical remote reset of reclosing lockout and the Bell Alarm via a remote reset coil page 10 5 Manual reset Press Bell Alarm red pin until it latches 4 Bell Alarm Reset Tripped signal reset Automatic reset of the maglatch Tripping coil 0077 01_u F5 Bell Alarm Trip X9 12 X9 14 X9 13 S24 0053 06_u F7 S13 X8 13 X8 14 S24 X9 13 X9 14 X9 12 ...

Page 207: ...reset coil When the WL breaker is configured with option WLNOAUTRSET the tripping coil must be manually reset before the circuit breaker is capable of closing The following instruction details the resetting of the Bell Alarm and the tripping coil 1 Circuit breaker is tripped by the trip unit 2 Indicators Signals 3 Manual reset Press Bell Alarm red pin until it latches 4 Bell Alarm reset Tripping c...

Page 208: ...reaker and discharge the closing spring page 24 2 Move the circuit breaker into the withdrawn position in the cradle page 24 3 Remove front panel page 24 4 Remove the trip unit page 9 49 DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device WARNING High speed moving parts Can caus...

Page 209: ...10 4 10 3 1 Removing the automatic reset mechanism 1 Remove lock washer 2 Remove bolt 3 Remove reset spring Then Install trip unit page 9 49 Install front panel page 24 4 2 3 0565 3 1 ...

Page 210: ... trip unit page 9 49 NOTICE Can only be used with automatic reclosing lockout reset The remote reset coil will otherwise be overloaded and damaged DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device WARNING High speed moving parts Can cause serious personal injury Discharge the ...

Page 211: ...eset coil F7 10 4 2 Connecting wires page 8 1 NOTICE When routing the wires care must be taken to ensure that wires are not damaged when reinstalling the ETU carriage 0191 2 0191 1 1 2 0191 3 3 PZ 1 3 0 x 0 6 1 8 Terminals X8 13 X8 14 ...

Page 212: ... 13 S24 X9 12 X9 14 X9 13 S24 Siemens Industry Inc Fort Worth TX 76155 USA Charging Motor Remote Close Coil X5 2 X5 1 X6 7 X6 8 240 250 VAC VDC 120 125 VAC VDC 240 250 VAC VDC 120 125 VAC VDC VAC VDC 120 125 VAC VDC 1st Shunt Trip UVR 2nd Shunt Trip Remote Reset X6 13 X6 14 X5 11 X5 12 X9 1 X9 2 X8 13 X8 14 Ready to Close Switch X6 5 X6 6 240 VAC 4 A 240 VAC 1st Shunt Trip Switch X9 7 X9 8 240 VAC...

Page 213: ...Closing coil CC 4 2nd shunt trip F2 or undervoltage release instantaneous F3 or undervoltage release time delayed F4 5 Signaling switch S23 or S43 6 Cut off switch S14 for shunt trip 5 duty cycle 7 Cut off switch S15 for closing coil CC 5 duty cycle Shunt trips with 100 ED may be used as an electrical closing lockout 1 2 3 4 5 6 7 ...

Page 214: ...ont panel page 24 4 DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device WARNING High speed moving parts Can cause serious personal injury Discharge the closing spring before inspection and before carrying out any work on the circuit breaker 2 1 Retaining bracket 3 4 Replace reta...

Page 215: ...losing coil or undervoltage device to the BSS A Snap in place B Disassembly 1 Rocker 2 Signaling switch 3 Guide 4 Groove 5 Snap fit 1 Disengage the snap fit 2 Pull out the signaling switch 11 4 Setting delay times on undervoltage release Instantaneous release 5 B 1 2 1 2 3 4 A short time delayed instantaneous J1 td q 80 milliseconds td q 200 milliseconds ...

Page 216: ...Field Installation of a cut off switch for shunt trips and closing coils Does not apply to continuous duty devices td 0 2 1 6 sec 1 6 sec td 0 2 1 6 sec 3 x 0 5 S1 Delay time td 1 8 S14 S15 pre wired 0136 07_nu F1 CC F2 S15 S14 b a a ...

Page 217: ...11 5 A Shunt trip with cut off switch S14 B Closing coil with cut off switch S15 C Combination of shunt trip and closing coil with combined cut off switch S14 S15 B A C ...

Page 218: ...ion and before carrying out any work on the circuit breaker Shunt trip Closing coil 1 Charge the closing spring manually page 6 4 2 Close circuit breaker page 6 7 3 4 Circuit breaker opens Circuit breaker closes 5 Opening the circuit breaker page 6 7 Armature 0169 02_u CC Armature 0083_u 0083_u 3 0 x 0 6 1 8 Terminals CC F1 F2 F3 F4 X6 7 X6 8 X6 13 X6 14 X5 11 X5 12 X5 11 X5 14 X9 9 X6 7 S10 ...

Page 219: ... is connected 11 9 Electrical function test NOTE Make sure that the closing coil with 5 operating time is only activated when the circuit breaker is ready for closing Otherwise the closing coil will be damaged Closing coil Undervoltage release 1 Charge the closing spring page 6 4 2 3 Actuate the closing coil Electrical Closed Remote activation Remove control power to test undervoltage release 4 Ci...

Page 220: ... Undervoltage release 1 Charge the closing spring page 6 4 Closing the circuit breaker page 6 7 2 3 Actuate shunt trip Remote activation Remove control power to test undervoltage release 4 Circuit breaker opens 0083_u ...

Page 221: ...ST120 208 240 220 250 WLST240 Shunt trip F1 for continous energizing opening time 80 ms 24 WLSTCD24 48 WLSTCD48 120 125 WLSTCD120 240 250 WLSTCD240 Siemens Industry Inc Fort Worth TX 76155 USA Charging Motor Remote Close Coil X5 2 X5 1 X6 7 X6 8 240 250 VAC VDC 120 125 VAC VDC 240 250 VAC VDC 120 125 VAC VDC VAC VDC 120 125 VAC VDC 1st Shunt Trip UVR 2nd Shunt Trip Remote Reset X6 13 X6 14 X5 11 X...

Page 222: ...24 WLST24 48 WLST48 110 127 110 125 WLST120 208 240 220 250 WLST240 Undervoltage release F3 instantaneous 24 WLUV24 48 WLUV48 110 127 110 125 WLUV120 208 240 220 250 WLUV240 Undervoltage release F4 time delayed 48 WLUVD48 110 127 110 125 WLUVD120 208 240 220 250 WLUVD240 ...

Page 223: ...shunt trip page 11 3 4 Signaling switch for Ready to close S20 5 Signaling switch S23 for 2nd shunt trip or under voltage release page 11 3 6 Contact position driven auxiliary switch S1 7 Contact position driven auxiliary switch S2 8 Contact position driven auxiliary switch S4 9 Contact position driven auxiliary switch S3 1 4 5 6 7 8 9 3 2 ...

Page 224: ...nd X6 according to the wiring plan page 8 2 DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device WARNING High speed moving parts Can cause serious personal injury Discharge the closing spring before inspection and before carrying out any work on the circuit breaker Contact positi...

Page 225: ...azardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device WARNING High speed moving parts Can cause serious personal injury Discharge the closing spring before inspection and before carrying out any work on the circuit breaker Signaling switches Catalog No Ready to close signaling switch S20 ...

Page 226: ...th serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device WARNING High speed moving parts Can cause serious personal injury Discharge the closing spring before inspection and before carrying out any work on the circuit breaker ...

Page 227: ...st be connected to secondary disconnects X8 and X9 according to the wiring plan page 8 2 and page 8 6 NOTICE Over tightening the mounting screws may deform the signaling switch and could lead to an incorrect indication of breaker status Hardware shall be tightened carefully until the underside of the screw head is flush with the mounting surface Signaling switches Catalog No Bell Alarm S24 1 form ...

Page 228: ...n indelible ink pen 1 2 3 4 3 0 x 0 6 Siemens Industry Inc Fort Worth TX 76155 USA Charging Motor Remote Close Coil X5 2 X5 1 X6 7 X6 8 240 250 VAC VDC 120 125 VAC VDC 240 250 VAC VDC 120 125 VAC VDC VAC VDC 120 125 VAC VDC 1st Shunt Trip UVR 2nd Shunt Trip Remote Reset X6 13 X6 14 X5 11 X5 12 X9 1 X9 2 X8 13 X8 14 Ready to Close Switch X6 5 X6 6 240 VAC 4 A 240 VAC 1st Shunt Trip Switch X9 7 X9 8...

Page 229: ...ht internal auxiliary switches 4 a 4 b contacts With the addition of a MOC device an additional eight auxiliary switches 4 a 4 b contacts may be added to a circuit breaker Note referencing ANSI C37 100 a contact A secondary contact that is open when the circuit breaker is open and closed when the circuit breaker is closed b contact A secondary contact that is closed when the circuit breaker is ope...

Page 230: ...eaker frame size 2 WLMOC and a second for circuit breaker frame size 3 WLMOC3 12 8 2 MOC Installation Instructions There are two MOC versions available with and without a driver for the test position The version with only one drive is generally used for fixed mounted circuit breakers OPEN the circuit breaker and discharge the closing spring page 24 2 Remove circuit breaker from cradle page 24 3 12...

Page 231: ...the coupler is oriented properly when installed Figure 3 illustrates the proper installed orientation of a shaft extension circuit breaker shown in the OPEN position with the tampered flange facing the rear of the circuit breaker NOTE The tapered flange of the coupler must point towards the rear side of the circuit breaker Figure 3 0421 1_nu ...

Page 232: ...ent cradle by two tabs in the rear and two screws in the front With the screws inserted from the inside of the cubicle and the nuts and lockwashers on the outside the nuts must be torqued to 71 lbin 8 Nm 12 8 2 3 Mounting on fixed mounted circuit breakers 1 2 3 4 0758_nu 1 2 3 4 5 Size 5 8 Nm 71 lb in Size 5 8 Nm 71 lb in ...

Page 233: ...rd pressure with a thin blade screwdriver in the area shown in Figure 6 NOTICE MOC Reliability May cause intermittent signaling All four contact blocks whether wired or not must be installed into the MOC assembly to ensure reliable operation NOTICE Contact block damage May cause loss of signaling Do not over extend the feet of the contact block when reinstalling into the MOC assembly Figure 6 ...

Page 234: ...sembly a replacement contact block must be used Replacement contact blocks may be purchased per catalog number WLMOCSWK includes four replacement contact block assemblies NOTICE MOC Reliability May cause intermittent signaling All four contact blocks whether wired or not must be installed into the MOC assembly to ensure reliable operation NOTICE Contact block damage May cause loss of signaling Do ...

Page 235: ...d Auxiliary Contacts cradle mounted 4 NO 4 NC Connected position only for draw out circuit breaker only FS I and FS II WLMOCC Mechanism Operated Auxiliary Contacts cradle mounted 4 NO 4 NC Test and connected position for draw out circuit breaker only FS III WLMOC3 Mechanism Operated Auxiliary Contacts cradle mounted 4 NO 4 NC Connected position only for draw out circuit breaker only FS III WLMOCC3...

Page 236: ...le a special clutch shaft must be used in place of the normal one 1 Clutch shaft 2 Lock nut 12 8 5 Mounting of MOC and mutual mechanical interlocking module on the cradle Mount on fixed mounted circuit breakers accordingly Longer side turned upwards 12 Nm 105 lb in wrench size 13mm 1 2 MOC Side wall Mutual mechanical interlocking module 8 Nm 71 lb in 5 Size ...

Page 237: ... the circuit breaker and discharge the closing spring page 24 2 Move the circuit breaker into the withdrawn position in the cradle page 24 3 Remove front panel page 24 4 DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device WARNING High speed moving parts Can cause serious persona...

Page 238: ...unting the motor on the operating shaft Fixing the motor operated mechanism connecting wires Operating shaft of the manual operating mechanism 1 3 2 3 0 x 0 6 X5 Terminals X5 1 X5 2 1 2 6 Nm Size 5 53 lb in 3 ...

Page 239: ...ne wire to be soldered Installing motor disconnect switch Connecting motor disconnect switch Disconnect the brown wire from the motor operated mechanism from terminal X5 2 Connect wire X5 2 of the disconnect switch S12 to terminal X5 2 Solder the brown wire from the motor operated mechanism to terminal 4 of the disconnect switch S12 Rocker S 12 1 2 Solder point ...

Page 240: ... 250 V DC 130 W WLELCMTR240S 4 3 2 1 Note An additional spacer 3 0 x 0 6 hand tighten Rubber seal ring is provided It is installed between the knob and the front panel Siemens Industry Inc Fort Worth TX 76155 USA Charging Motor Remote Close Coil X5 2 X5 1 X6 7 X6 8 240 250 VAC VDC 120 125 VAC VDC 240 250 VAC VDC 120 125 VAC VDC VAC VDC 120 125 VAC VDC 1st Shunt Trip UVR 2nd Shunt Trip Remote Reset...

Page 241: ...ents OPEN the circuit breaker and discharge the closing spring page 24 2 Move the circuit breaker into the withdrawn position in the cradle page 24 3 Remove front panel page 24 4 DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device WARNING High speed moving parts Can cause seriou...

Page 242: ... 3 Shield to prevent inadvertent operation 4 Mounting plate Catalog No NOTICE Damage to accessory Over tightening the mounting screws may strip the plastic frame or damage components rendering the accessory unusable Hardware shall be tightened carefully until the underside of the screw head is flush with the mounting surface Catalog No Locking set WLLKKT OPEN CLOSE 3 2 1 PZ 1 hand tighten ...

Page 243: ...om pushbutton is released Catalog No NOTICE Damage to accessory Over tightening the mounting screws may strip the plastic frame or damage components rendering the accessory unusable Hardware shall be tightened carefully until the underside of the screw head is flush with the mounting surface NOTE Install the EMERGENCY OFF mushroom pushbutton as shown arrow on the right side Catalog No EMERGENCY OF...

Page 244: ...le manual or electrically operated The mechanical operations counter can be installed only if the circuit breaker is equipped with a motor operated mechanism Knocking out the fields on the front panel Catalog No Catalog No Mechanical operations counter WLNUMCNT 1 2 PZ 1 Front panel knock out Use a suitable base deburr ...

Page 245: ...installed in the cell which this lock is installed Up to two independent Kirk or Superior key locks may be installed To activate the lock the circuit breaker must be open If the circuit breaker is closed the locking device is blocked The block is only effective if the key is withdrawn The key can only be removed in the OPEN position page 15 4 3 Racking handle key lock KIRK SUPERIOR Prevents drawin...

Page 246: ...cking mechanism For key lock types KIRK Superior DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device WARNING High speed moving parts Can cause serious personal injury Discharge the closing spring before inspection and before carrying out any work on the circuit breaker NOTE When...

Page 247: ... Install trip unit page 9 49 Install front panel page 24 4 Key lock Manufacturer Frame size Catalog No Breaker mounted key lock KIRK I II III WLLKOFFKRK SUPERIOR WLLKOFFSUP deburr Front panel knock out Use a suitable base 3 4 5 6 3 0 x 0 6 2 Nm 18 lb in ...

Page 248: ...position OPEN the circuit breaker and discharge the closing spring page 24 2 Move the circuit breaker into the withdrawn position in the cradle page 24 3 Remove front panel page 24 4 DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device 0636_nu ...

Page 249: ...r 4 mm inner diameter groove for 4 mm groove for FS II only 8 3x M4 socket head cap screws with lock waschers and nuts for FS III only 9 Extension for FS III only 10 Bolt with washer size 5 mm and clip for 4 mm inner diameter groove for 4 mm groove for FS II only 11 Ramp extension for FS III only 12 2x M4 flat head screw for FS III only 13 Small attachment angle 14 2x M4 socket head cap screws 15 ...

Page 250: ...which may be provided with the key lock The spacer 5 supplied with the mounting must be used in place of the spacers supplied with the lock For FS III only NOTE Attach the lever 4 to the KIRK Superior locks 6 with the screws supplied with the lock Attach the KIRK Superior locks 6 together with the spacer 5 to the lock mechanism using the supplied screws 0709 1 1 2 ...

Page 251: ...adle Mounting the guide on the guide rail A Frame size II B Frame size III 1 Guide rail on left side 2 Spacer for FS II must be mounted between angle and guide rail 3 Attachment angle 1 2 3 1 3 2 Nm 28 lb in PZ 2 0711_nu 0713_nu A B 1 2 1 1 2 3 1 2 3 3 3 2 Nm 28 lb in PZ 2 12 Nm 106 lb in ...

Page 252: ... test Check that the locking mechanism on the locks can rotate freely when the keys are turned Check that the spring turns the locking mechanism back to the starting position when it is unlocked By repeatedly drawing out and re inserting the left guide rail check that the carriage is also actuated and can move freely Lock Key for Cradle Mounting Manufacturer Catalog No Single lock Kirk WLDLKRK Sup...

Page 253: ... OPEN the circuit breaker and discharge the closing spring page 24 2 Move the circuit breaker into the withdrawn position in the cradle page 24 3 Remove front panel page 24 4 DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device WARNING High speed moving parts Can cause serious pe...

Page 254: ...stalling FS I Remove the circuit breaker from the cradle page 24 3 Remove racking mechanism Installing the lever Note The kit for FS I contains two adapter rings a wide ring for KIRK locks and a narrow ring for Superior locks 0767 1 2 3 4 1 2 3 ...

Page 255: ...e racking mechanism Install the racking mechanism in the opposite order to that in which it was removed Knocking out the field on the front panel 1 Knock out the fields on the front panel using a suitable base 2 Deburr the edges Then Install front panel page 24 4 1 2 3 Size 4 1 5 Nm 45 lb in 1 2 ...

Page 256: ...15 12 Installing FS II and FS III 1 Socket head cap screw M5 with washer and nut 1 2 3 4 6 5 7 8 Size 4 5 Nm 45 lb in ...

Page 257: ... the fields on the front panel using a suitable base 2 Deburr the edges Then Install front panel page 24 4 Key lock Manufacturer Frame size Catalog No Racking handle key lock KIRK I WLLKCLKRK1 II III WLLKCLKRK SUPERIOR I WLLKCLSUP1 II III WLLKCLSUP1 0044 08 1 2 ...

Page 258: ...cover cannot be removed and the Bell Alarm cannot be reset 1 Cover with safety lock 2 Trip unit Locking Key lock Manufacturer Catalog No Bell Alarm and open fuse lockout key lock ETU745 ETU748 WLTUSC55 ETU776 WLTUSC76 Knock out 1 Push outwards not inward 3 2 1 2 1 1 2 Withdraw key ...

Page 259: ...s not possible to insert a circuit breaker into the cradle page 15 19 4 Racking handle Up to 3 padlocks can be used to prevent the racking handle being drawn out The circuit breaker is then locked against being moved page 15 19 5 Spring charging lever The spring charging lever can be locked with a padlock This prevents manual charging of the closing spring page 15 19 6 CLOSE Actuation of the CLOSE...

Page 260: ...er and discharge the closing spring page 24 2 Move the circuit breaker into the withdrawn position in the cradle page 24 3 Remove front panel page 24 4 Install the control gate if not already present DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device WARNING High speed moving p...

Page 261: ...15 17 Mounting padlock locking bracket Latching plate in control gate Then Install front panel page 24 4 Padlock locking device Catalog No Padlock locking breaker OPEN WLLKNP 1 2 1 2 3 ...

Page 262: ...ved from the cradle At the user s option padlocks may be installed through the arms of the shutter assembly as a means of locking out direct access to the primary conduc tors One padlock through each arm is required to lock out primary conductor direct access Frame size 2 shown NOTICE Remove padlocks before inserting breaker into the cradle ...

Page 263: ...ndle Draw out circuit breakers are equipped with this locking device as standard Up to three padlocks can be applied to prevent the circuit breaker from being racked into another position 15 2 5 Padlock Locking device for spring charging lever This locking device is an optional accessory for preventing manual charging of the circuit breaker closing spring mechanism It does not pre vent charging vi...

Page 264: ...h serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device WARNING High speed moving parts Can cause serious personal injury Discharge the closing spring before inspection and before carrying out any work on the circuit breaker Padlock Locking device Catalog No Locking device for spring charging lever WLHANDLC 2 Knock out 1 ...

Page 265: ... of this circuit breaker can be prevented when this optional accessory is installed The covers for the CLOSE button and the OPEN button can be fitted with up to three padlocks With padlocks applied it is still possible to electrically open and close this circuit breaker ...

Page 266: ...f and lock out all power supplying this equipment before working on this device WARNING High speed moving parts Can cause serious personal injury Discharge the closing spring before inspection and before carrying out any work on the circuit breaker NOTICE Damage to accessory Over tightening the mounting screws may strip the plastic frame or damage components rendering the accessory unusable Hardwa...

Page 267: ...E button 2 Sealing cover for ETU electronic trip unit 3 Sealing cover for OPEN button Sealing cover for CLOSE OPEN buttons Field installation of sealing cover page 15 22 Sealing cover for ETU electronic trip unit Sealing and locking device page 9 53 ...

Page 268: ...th a tool page 17 2 2 Cubicle door locking mechanism The cubicle door cannot be opened if the fixed mounted circuit breaker is closed signal transmission through Bowden cable or if the circuit breaker is in the CONNECTED position page 17 3 3 Interlock against racking when cubicle door is openNot available for FS I The racking handle cannot be withdrawn if the cubicle door is open 0064 06 04_nu 3 1...

Page 269: ...Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device WARNING High speed moving parts Can cause serious personal injury Discharge the closing spring before inspection and before carrying out any work on the circuit breaker NOTICE Damage to accessory Over tightening the mounting screws may strip the plasti...

Page 270: ...nance position in the cradle page 24 3 remove fixed mounted circuit breaker Remove front panel page 24 4 DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device WARNING High speed moving parts Can cause serious personal injury Discharge the closing spring before inspection and befor...

Page 271: ...17 4 17 2 1 Installing the interlock mechanism to the cradle Fixed mounted circuit breakers FS I 1 Latching lever 2 Bowden cable setscrew 0424 1 0424 2 0424 3 Size 4 mm 10 Nm 89 lb in 3 1 2 3 4 2 1 ...

Page 272: ...17 5 Fixed mounted circuit breakers FS II III 1 Self tapping screw 2 Bowden cable NOTICE Tighten self tapping screws carefully 3 1 2 2 PZ 3 5 Nm ...

Page 273: ...e latching lever into the horizontal position 1 using the Bowden cable setscrew 2 page 17 4 FS II FS III Adjust the latching lever into the straight position using the Bowden cable setscrew 3 Tighten the jam nut on the Bowden cable Then Install front panel page 24 4 4 5 6 8 9 7 10 ...

Page 274: ...17 7 Draw out circuit breaker Frame size I Mounting the latch at the cradle Mounting the operator on the withdrawable circuit breaker 0740_nu 0742_nu 0741_nu 1 2 3 0743_nu 1 4 2 3 PZ 1 ...

Page 275: ...sconnected position page 6 1 17 2 2 Cubicle door interlock drill pattern Frame size I Draw out circuit breaker 1 3 holes Ø 7 32 inches 2 Centerline of breaker front panel 3 Mounting surface 4 Engage tension spring 5 1 Engage tension spring 2 press hold 3 8 84 224 5 0 47 12 0 83 21 9 88 250 0744_nu 1 2 3 ...

Page 276: ... of breaker front panel 2 Door cutout for breaker front panel 3 Inner side of cubicle door 4 Hole for manual defeat Ø 7 32 inches 5 Hole for manual defeat Ø 7 32 inches Drill this hole only if a manual defeat is required 6 Mounting surface 0 4 2 4 5 0 47 12 0 83 21 2 2 56 0 6 15 ...

Page 277: ...rcuit breaker Rack the circuit breaker into the connected position Close the cubicle door Checking the manual defeat function 1 Lock position with circuit breaker closed 2 Device in normal position 3 Device in bypassed position Then Fixed mounted circuit breaker discharge the closing spring Mechanical interlock Frame size Order No Door locking mechanism for cradle I WLDRLC1 II III WLDRLC Door lock...

Page 278: ... 24 2 Remove the circuit breaker from the cradle page 24 3 Installing the mechanical interlock DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device 1 Engage spring 3 2 Engage spring 4 check 5 Base plate of cradle ...

Page 279: ...cradle Draw out circuit breakers and cradles are equiped with a factory coding This coding ensures that only circuit breakers can be inserted whose blade contacts match the contacts of the cradle and whose instanta neous interrupting capacity and rated current correspond to those of the cradle Mechanical interlock Order No Locking device against moving the circuit breaker if the cubicle door is op...

Page 280: ...le 18 1 Shutter The shutter is closed when the draw out circuit breaker is in disconnect position or outside the cradle The shutter can be fixed in a closed position and protected against unauthorized opening by means of padlocks page 15 18 ...

Page 281: ...the cradle locking holes first by inserting the rear tines 1A and then rotating the assembly towards the cradle sidewall 1B Ensure that the locating dowel pins are seated The front tines will pass through the rectangular opening in the cradle sidewall DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment befor...

Page 282: ...crewdriver blade to spread the front tines by inserting the screwdriver between the tines and rotating the blade in clockwise and counter clockwise motions This will lock the shutter mounts to the cradle 1C OK Not OK ...

Page 283: ...ing assemblies Item 2 with four M6 x 10mm patch screws Item 3 as shown below Torque each screw to 30 lb in four places Frame size 2 shown 18 1 2 Catalog numbers Frame size Interrupting class Catalog No I S H L WLG3SHUT1L II S L WLG3SHUT2L C WLG3SHUT2M III L WLG3SHUT3L C WLG3SHUT3M 3 3 3 3 1 ...

Page 284: ...ion S34 WLGSGSW321 Version 2 One form C contact for DISCONNECT position S30 Two form C contacts for TEST position S31 and S32 Three form C contacts for CONNECT position S33 S34 and S35 WLGSGSW6 Version 3 Six form C contacts for CONNECT position S30 S31 S32 S33 S34 and S35 Terminals The TOC accessory is equipped with an integrated terminal block The integrated terminal block is of spring clamp desi...

Page 285: ...contact state Contact open Contact closed Switch Designation Terminal Points Test position Connected position Disconnect position Circuit breaker position S30 S31 S32 S33 S34 S35 TOC Config 3 S30 S31 S32 S33 S34 S35 1 2 4 2 4 2 4 2 4 1 1 1 ...

Page 286: ...be necessary to wire the TOC prior to installation Then Insert the circuit breaker into the cradle and rack it into the connected position page 6 1 Catalog numbers TOC Version Catalog No 1 CONNECT 1 TEST 1 DISCONNECT WLGSGSW111 3 CONNECT 2 TEST 1 DISCONNECT WLGSGSW321 6 CONNECT WLGSGSW6 2 4 3 1 8 7 ...

Page 287: ...n cables must exceed 20 500 mm 3 The total curvature of the Bowden cable must not exceed 540 degrees 4 When stacking interlocked circuit breakers vertically the interlocking devices shall be vertically aligned with each other 5 Circuit breakers intended to be interlocked must be positioned so that Bowden cables of 6 ft or 15 ft 2 m or 4 5 m length can be laid out per the above requirements 1 4 6 B...

Page 288: ...tions the following designations apply A 1 Output signal 1 E 1 Input signal 1 S 1 Circuit breaker 1 For example in order to couple the output signal 1 of circuit breaker 1 with the input signal 2 of circuit breaker 2 the abbreviation S1 A1 S2 E2 is used The states of the circuit breaker are shown at the front panel Circuit breaker closed Circuit breaker open and not ready to close interlocked Circ...

Page 289: ...transition Description A circuit breaker can be closed only if the other is open Materials required Each circuit breaker has an interlocking module and a Bowden cable Order no page 19 3 Connections of Bowden cables Example Possible circuit breaker states S 1 S 2 1st Bowden cable S1 A1 S2 E1 2nd Bowden cable S2 A1 S1 E1 S1 S2 ...

Page 290: ...terlocked Materials required Each circuit breaker has an interlocking module and a Bowden cables Three additional Bowden cables must be ordered separately Order no page 19 4 Connections of Bowden cables Example Possible circuit breaker states S 1 S 2 S 3 1st Bowden cable S1 A1 S2 E1 2nd Bowden cable S1 A2 S3 E1 3rd Bowden cable S2 A1 S1 E1 4th Bowden cable S2 A2 S3 E2 5th Bowden cable S3 A1 S1 E2 ...

Page 291: ...ot be closed Materials required Each circuit breaker has an interlocking module and a Bowden cable Three additional Bowden cables must be ordered separately Order no page 19 5 Connections of Bowden cables Example Possible circuit breaker states S 1 S 2 S 3 1st Bowden cable S1 A1 S2 E1 2nd Bowden cable S1 A2 S3 E1 3rd Bowden cable S2 A1 S1 E1 4th Bowden cable S2 A2 S3 E2 5th Bowden cable S3 A1 S1 E...

Page 292: ...pendently opened and closed the third S2 being Ready to close only if the other two are open If the third is closed the other two cannot be closed Materials required Each circuit breaker has an interlocking module and a Bowden cable A Bowden cable must be ordered separately Order no page 19 6 Connections of Bowden cables Example Possible circuit breaker states S 1 S 2 S 3 1st Bowden cable S1 A1 S2...

Page 293: ...circuit breaker S1 can be opened and closed independently of the two others The two others cancel each other out i e one can only be closed if the other is open Materials required Two of the three circuit breakers S2 S3 each have an interlocking module and a Bowden cable Order no page 19 7 Connections of Bowden cables Example Possible circuit breaker states S 1 S 2 S 3 1st Bowden cable S2 A1 S3 E1...

Page 294: ... Installing intermediate shaft and coupling For frame size I II and frame size III fixed mount WARNING High speed moving parts Can cause serious personal injury Discharge the closing spring before inspection and before carrying out any work on the circuit breaker Frame size Hexagon shaft length L1 mm Length of assembly L2 mm I 48 59 II 118 129 III fixed mount only 232 243 Mechanical interlooking m...

Page 295: ... intermediate shaft must engage in a hole inside the circuit breaker Only then it will be possible working through step 10 to fit the support for the intermediate shaft in the guide of the side wall mechanical interlocking module with ring 2 long levers 2 3 4 5 Hold 6 7 8 9 ...

Page 296: ...19 10 Function check Then Replace front panel and side cover on the right if it was removed page 24 4 10 Short lever outside ...

Page 297: ...ain washer 6 2x jam nut penetrates into mounting foot by tightening if necessary prevent jam nut from rotating 7 1x washer with large outside diameter Then Install back the breaker page 5 2 Note If there isn t enough free space for installation on the right side of the circuit breaker inside the cubicle it may be advantageous to pre assemble the Bowden cables on the output side before fitting the ...

Page 298: ...unting the Bowden cables Fitting Bowden cable on output site Securing the Bowden cable Installing the Bowden cable at the input of the circuit breaker to be interlocked 4 1 3 2 5 6 7 0256 2_u R 20 500 mm 1 2 3 4 6 5 7 ...

Page 299: ...ocket head cap screws with toothed lock washers respectively plastite screws with lock washers into the associated index clips if applicable Configurations page 19 1 Insert the draw out circuit breaker into the cradle push into disconnected position close the cubicle door if required and rack it into connected position page 6 1 1 1 1 4 2 3 ...

Page 300: ...ed against kinks and abrasions split wires of the exposed steel cable damage to the cable housing and the adjustment unit tube setting with thread and nut and have to be readjusted if necessary In addition the movability of movable parts of the interlocking device in their bearings needs to be examined 4 In extreme environmental conditions e g increased environmental temperature or exposure to che...

Page 301: ...ting holes for the purpose of incorporating phase barriers The guide slots are not included on FS II class C breakers Usable material e g NEMA GPO 3 min thickness 2 3 mm 3 32 max thickness 4 mm 5 32 or comparable material 1 8 mounting holes for self tapping screw 4 2 mm screw in depth max 16 mm 2 Guide slot 4 mm wide 2 1 Vertical Horizontal ...

Page 302: ... foreign objects e g tools 21 1 Field installation OPEN the circuit breaker and discharge the closing spring page 24 2 Remove the circuit breaker from the cradle page 24 3 DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device 0695_nu ...

Page 303: ...c chute cover 3 Cradle FS I The optional arc chute cover must replace the shorter standard cover NOTE Mounting of rear wall attached current transformers on the line side is possible with the standard arc chute cover only 0729_nu 1 2 3 Size 5 8 Nm 71 lb in 1 2 ...

Page 304: ...ame size II 1 Socket head cap screw M6x20 2 Self tapping screw M4 x10 3 Socket head cap screw M6x20 Frame size III 0697_nu 1 2 3 2 2 2 4 4 4 4 5 PH 2 3 2 Nm 28 lb in Size 5 8 Nm 71 lb in 1 2 3 0697 2_nu 1 2 1 ...

Page 305: ...p screw M6x20 Self tapping screw M4 x10 21 2 Catalog numbers Not suitable for class C Frame size Catalog No Arc chute cover for cradle I WLGARC1UL II WLGARC2UL 0697 1_nu 4 3 4 5 Size 5 8 Nm 71 lb in PH 2 3 2 Nm 28 lb in 1 2 ...

Page 306: ...For frame size II and III only Dimension drawing of door cutout Front view of the cubicle door 1 Mounting surface of the circuit breaker or cradle 2 Center of breaker front panel 3 Eight mounting holes for the door sealing frame ...

Page 307: ...22 2 Installing the door sealing frame Not for use with fuse carriages Catalog No Door sealing frame WLDSF 1 2 3 ...

Page 308: ...ing for door cutout and mounting holes 1 Center of breaker front panel 2 4 mounting holes for hinges 3 Mounting surface of circuit breaker or cradle NOTE Following a short circuit interruption check that the Plexiglas breaker cover is firmly in place and the seal is maintained ...

Page 309: ...tion right and left 5 8 x Socket head cap screws M5 with washer and lock nuts Installation of the right side hinge in the same fashion Handling To open the Plexiglas cover push the hinge pins on the left or right hinge together or to remove the Plexiglas cover unlock both hinges Catalog number Catalog No Plexiglas cover WLPGC ...

Page 310: ...ar The arc chutes and contact system must be inspected according to these operating instructions If a fault condition opens the circuit breaker the circuit breaker should be inspected before it is replaced into service DANGER Hazardous voltage Will cause death serious personal injury or equipment property damage Turn off and lock out all power supplying this equipment before working on this device...

Page 311: ...and discharging the closing spring Fixed mounted circuit breaker Draw out circuit breaker 1 OPEN the circuit breaker 2 Disconnect secondary circuits page 24 3 3 CLOSE the circuit breaker 4 Depress the OPEN button again 5 Indications Position indicator green Secondary Circuit ...

Page 312: ...g handle page 6 3 Push in the racking handle Pull circuit breaker into withdrawn position and remove NOTICE Racking Handle Damage Turning the racking handle beyond the stop will cause damage to the racking mechanism When the stop is reached rotate the handle counter clockwise until it can be stowed blue Position indicator red green Stop 2 3 4 1 2 3 1 ...

Page 313: ...zardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device WARNING High speed moving parts Can cause serious personal injury Discharge the closing spring before inspection and before carrying out any work on the circuit breaker 1 1 2 3 PH 2 2 1 3 3 PH 2 2 5 Nm 22 lb in ...

Page 314: ...osion large deposits of molten metal etc the circuit breaker should be replaced OPEN the circuit breaker and discharge the closing spring page 24 2 Move the circuit breaker into the withdrawn position in the cradle page 24 3 DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device WA...

Page 315: ...c chute 24 3 2 Visual inspection In the case of heavy wear burnout on arc splitter plates replace the circuit breaker WARNING Damage to arc chute components Mishandling may lead to broken insulation plates of the arc chute housing and compromised insulation capacity Do not stand arc chutes up when placing them on a table or any other surface outside of the circuit breaker The arc chutes should be ...

Page 316: ...ass C shown 1 Insert arc chute push cover back if necessary 2 Slide the cover into place 3 Check position of the 2 screens class C only 4 Hook the cover carefully into place and fold it down 5 Insert the screw and tighten to the specified torque 5 1 2 8 Nm 71 lb in Size 4 mm 0043 05 1 2 3 4 5 8 Nm 71 lb in Size 4 mm ...

Page 317: ... which face the arc chutes must not be burned A layer of soot or small spots of collections of molten metal are normal If the powder coating on the inner side of the cover has burned through or damaged this must be replaced Arc chute covers page 21 1 in the opposite order DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying...

Page 318: ...ing page 6 4 Close the circuit breaker page 6 7 Remove the arc chutes page 24 6 View with the circuit breaker closed 1 Indicator pin 2 Indicator pin is visible in the big recess 3 Indicator pin is no longer visible 4 Arcing tip 5 Arc Chamber If the indicator pin is no longer visible the circuit breaker must be replaced For the visual inspection of fixed mounted circuit breakers use a mirror if req...

Page 319: ...oltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device 0715_nu 0716_nu 1 2 3 4 5 6 2 3 7 Size 10 mm 70 Nm 50 ft lb 71 lb in 8 N...

Page 320: ...e cradle page 24 3 All frame sizes 1 4 Remove M4 collar screws 5 Remove finger cluster 6 Assemble new finger cluster 7 10 Assemble M4 collar screws DANGER Hazardous voltage Will cause death serious personal injury or equipment damage Turn off and lock out all power supplying this equipment before working on this device 0639 1_nu 1 2 PZ 2 3 2 Nm 28 lb in 5 4 2 1 3 6 7 8 10 9 1 PZ 2 1 Self tapping M...

Page 321: ... 9 Assemble new finger cluster 10 13 Assemble M4 collar screws 14 Assemble the plastic part 15 Assemble M12 screw and washer 16 Assemble metal arc chute cover 17 Ensure that the plastic parts are aligned Ensure that the given torque values are observed 1 2 3 Size 5 Size 10 8 Nm 71 lb in 15 Nm 28 ft lb 3 5 4 7 6 PZ 2 3 2 Nm 28 lb in 8 9 16 15 14 10 11 13 12 0043 06 17 ...

Page 322: ...inger cluster page 24 13 24 6 2 Catalog numbers NOTE Ensure that the shoulder bolt has free play in the slotted holes of the brass bracket of the finger cluster Frame size Max circuit breaker rated current In max A Catalog No Replacement Finger Cluster Kit I 800 1200 WLFNGR1UL II 800 1200 1600 WLFNGR10UL 2000 WLFNGR15UL 800 1200 2500 3000 WLFNGR30UL II class C 800 1200 1600 2000 2500 3000 WLFNGR30...

Page 323: ...ead cap screw M6 3 Hex head screw M12 4 4 runback load side 5 Stab tip for FS I line side NOTE Ensure correct orientation of FS I line stab tip when mounting 1 2 3 0728_nu 5 4 5 7 6 8 9 8 Nm 71 lb in 70 Nm 50 ft lb 4 1 2 3 Size 5 mm Size 10 mm FS I FS II only ...

Page 324: ...00 1600 2000 2500 3000 WLGST30323LL Stab tip load side I 800 1200 2 bolt hole pattern WLGST15203LL 800 1200 4 bolt hole pattern WLGST15203LD II 800 1200 1600 2 bolt hole pattern WLGST10163LL 800 1200 1600 4 bolt hole pattern WLGST10163LD 2000 2 bolt hole pattern WLGST15203LL 2000 4 bolt hole pattern WLGST15203LD 800 1200 2500 3000 WLGST30323LL II class C 800 1200 1600 2000 2500 3000 WLGST30323LL S...

Page 325: ...r 1 Greasing points 1 Wipe away old grease and 2 apply new grease 24 8 Cleaning and greasing the cradle 1 Greasing points 1 Clean the track of the rails and 2 relubricate the designated points Grease Catalog No Isoflex Topas NB52 manufactured by Klüber Lubrication München KG WLBGREASE 0645 01 1 1 1 1 ...

Page 326: ...all warnings safety notices and maintenance procedures contained herein and on the devices The successful and safe operation of this equipment is dependent on proper handling installation operation and maintenance CAUTION Fragile Assembly Finger Clusters may become damaged or disassembled Connection may overheat and cause property damage Do not rest breaker on finger clusters avoid impact to finge...

Page 327: ... or via menu page 9 44 Figure 1 The ground fault pick up points for the Ground Fault Alarm and Ground Fault Trip settings are independently configurable The definitions of the A E dial settings are described below ETU Type Available Ground Fault Modes ETU 745 Optional 3 or 4 wire residual and direct sensing are both available with additional ground fault protection module Mode is set by switch ETU...

Page 328: ...g IR is reduced to 80 of setting indicated on the display or dial When this unbalance condition no longer exists the setting is returned to normal Single phase testing will be recognized as a phase unbalance and the long time pickup will be reduced to 80 of its set value The resulting trip timing will be faster than indicated in the trip curves For an ETU776 the phase loss sensing is controlled by...

Page 329: ...inject ing current into the line side of one phase out the load side back into another load side and back out the line side Figure 3 If it is not possible to inject phase current into the breaker as shown in the figure above the Ground Fault Mode switch can be used to tell the ETU to look for a ground fault signal on a different set of terminals As stated above putting the Ground Fault Mode switch...

Page 330: ...through the breaker itself Source A Once the ETU is active the test current can be injected through the external neutral sensor to verify its con nection and polarity Source B The external neutral sensor does not provide energy to the ETU to activate it Figure 4 The same test can be conducted using a single power source The ETU must be activated by injecting a minimum of 100A through the breaker i...

Page 331: ...nd fault sensor to verify its connection and polarity Source B The external ground fault sensor does not provide energy to the ETU to activate it Figure 7 The same test can be conducted using a single power source The ETU must be activated by injecting a minimum of 100A through the breaker itself The external neutral sensor does not provide energy to the ETU to activate it Multiple windings throug...

Page 332: ... the internal breaker sensors and the external neutral sensor will be correct for the rules given above Figure 9 The correct neutral sensor polarization is achieved when the P1 mark on the neutral sensor is oriented on the neutral bus so that it matches the upper stabs of the breaker normally the line side Even if the breaker is bottom fed the load flow must be such that the lower stabs of the bre...

Page 333: ...uit breaker or ground fault system conformance test This form may be used in abscence of a preferred document copies may be required based on the number of circuit breakers CIRCUIT BREAKER TEST RECORD Date Tested Circuit Breaker ID Tested By Results CIRCUIT BREAKER TEST RECORD Date Tested Circuit Breaker ID Tested By Results ...

Page 334: ...ove Disposal regulations vary from locality to locality and may be modified over time Specific regulations and guidelines should be verified at the time of waste processing to ensure that current requirements are being fulfilled For specific assistance in understanding and applying regional regulations and policies or manufacturer s recommendations refer to the local Siemens service representative...

Page 335: ...5 100 150 65 100 150 65 100 150 100 150 100 150 kAIR RMS 50 60 Hz 480VAC 65 100 150 65 100 150 65 100 150 65 100 150 100 150 100 150 600VAC 65 85 100 65 85 100 65 85 100 65 85 100 85 100 85 100 Short time current Icw kA RMS 0 4 sec 65 85 100 65 85 100 65 85 100 65 85 100 85 100 85 100 Extended instantaneous protection 480VAC 65 100 150 65 100 150 65 100 150 65 100 150 100 150 100 150 rating kA RMS...

Page 336: ... break time ms 34 34 Electric close make time ms 50 50 Electric trip UV break time ms 40 73 40 73 Electric trip and reclose interval ms 80 80 Mechanical duty cycles no maint 5000 5000 Electrical duty cycles no maint 2000 2000 Draw out breaker efficiency Watts loss at In 1100 1100 Fixed mount breaker efficiency Watts loss at In 580 580 Ambient operating temperature ºC 25 to 40 25 to 40 Weights Fixe...

Page 337: ... 80 80 80 80 Mounting position Weight Fixed mounted circuit breaker kg lb 39 86 56 124 67 1481 59 130 67 1481 64 141 67 1481 82 181 Draw out circuit breaker kg lb 62 137 72 159 100 2201 80 177 100 2201 95 209 100 2201 118 260 Cradle kg lb 49 108 51 112 74 1631 58 128 74 1631 69 152 74 1631 139 306 Secondary disconnect wire sizes max of aux connecting leads x cross section solid or stranded screw t...

Page 338: ...lerance at 120V AC 240V AC 85 110 Extended tolerance for battery operation at 24 V DC 48 V DC 125 V DC 250 V DC 70 126 Power consumption of the motor 110 W Time required for charging the closing spring 10s For motor and closing coil short circuit protection Short circuit protection Standard slow blow cartridge 24 60 V 6A 110 250 V 3A Auxiliary Release Undervoltage release UVR Operating values 85 c...

Page 339: ...ous 5A Rated operational current making 1 1A at 24 V 1 1A at 125 V 0 55 A at 250 V Rated operational current breaking 1 1A at 24 V 1 1 A at 125 V 0 55 A at 250 V Bell Alarm Switch and Ready to close Signal Contact Contact rating Alternating current 50 60 Hz Rated operational voltage 240 V Rated operational current continuous 5A Rated operational current making 8A Rated operational current breaking...

Page 340: ...20 V Rated operational current continuous 10 A Rated operational current making 6 A Rated operational current breaking 6 A Direct current Rated operational voltage 24 V 24 V 48 V 125 V 250 V Rated operational current continuous 6 A 1 A 1 A Rated operational current making 6 A 0 22 A 0 11 A Rated operational current breaking 6 A 0 22 A 0 11 A ...

Page 341: ...Ig for trip B C D E 100 1200A Setting range of the Ig for alarm A A B C D E 100 1200A Setting range of the tg seconds 0 1 0 2 0 3 0 4 0 5 Switch selectable ground fault protection I2t fixed Setting range tg at I2t 0 1 0 2 0 3 0 4 0 5 ZSI ground function per CubicleBUS module L N S I G 3 In 2 time delay time delay time delay time delay time delay ETU776 40 100 of In Adjustable in Amps 2 30 step 0 1...

Page 342: ...Tripped by extended protection or n o i t c n u f y a l e r e v i t c e t o r p n o i t a c i n u m m o C Signal contacts with external CubicleBUS modules opto or relay g n i n r a w t n e r r u c r e v O N O F F O g n i d d e h s d a o L s m 0 0 2 p i r t e m i t g n o l f o l a n g i s y l r a E m r a l a e r u t a r e p m e T e c n a l a b n u e s a h P p i r t s u o e n a t n a t s n I p i r t...

Page 343: ...n CUB c CUB c D Set current for ground fault protection DC Direct current DIN German Engineering Standard DISCON Disconnected position E Set current for ground fault protection E 1 2 Input information 1 2 mutual mechanical interlocking ED Duty cycle ESD Electrostatic sensitive device EN European Standard ETU Trip unit electronic trip unit EXTEND Extended additional protection function F1 1st shunt...

Page 344: ... possible rated current IR Current setting value for L tripping Isd Current setting value for S tripping L1 Phase 1 L2 Phase 2 L3 Phase 3 L tripping Long time delayed tripping overload LED Light emitting diode M Motor MOC Mechanism Operated Auxiliary Conntacts N Neutral pole NC Normally closed contact NO Normally open contact N tripping Neutral overload tripping PIDG Ring lug style Trademark of AM...

Page 345: ...ignaling switch for test position S48 c signaling switch for disconnected position S50 S53 MOC external auxiliary switches S tripping Short time delayed tripping SIGUT Siemens trademark for aux termination technique ST Shunt trip T U ERROR Trip unit error TEST Test position tg Delay time for G tripping TOC Truck operated cell switch S30 S35 tR Delay time for L tripping defined at 6 x IR TRIP G Tri...

Page 346: ...technik München X Terminal designation according to DIN ZSI Zone Selective Interlocking Iavg Present average of current Iavglt Long term average of current ITHD Distortion factor of current UTHD Distortion factor of voltage ...

Page 347: ...modules with access to the circuit breaker Reading and writing parameters Reading circuit breaker states measured values Closing and opening the circuit breaker via fieldbus Additional functions via floating outputs or inputs Implementing breaker internal cinformation Additional functions when a draw out breaker is used Sensing position of circuit breaker in guide frame COM15 module COM15 communic...

Page 348: ...a standardized interface and a uniform operator control concept for the activities to be carried out such as Parameterizing Operating Monitoring and Diagnosing powerconfig currently supports German and English SENTRON communication handbook http support automation siemens com Rating Plug This module defines e g the setting range of the overload protection Remote reset The electrical signal of the ...

Page 349: ...ether with an EMERGENCY OPEN facility to be arranged separately The circuit breaker shall not be tripped by short time voltage drops e g motor start up Undervoltage release time delayed For remote tripping and interlocking of the circuit breaker The circuit breaker shall not be tripped by voltage drops e g system transfers ...

Page 350: ... counter 14 4 Manual reset 10 2 Mechanism operated contacts 12 7 MOC 12 7 Motor disconnect switch 13 3 Motor operated mechanism 13 1 Mounting position 5 2 Mutual mechanical interlocking 19 1 O Opening the circuit breaker 6 7 Options for guide frame 18 1 P Packing 4 1 Padlocking facilities 15 15 Phase barriers 20 1 Positions of the circuit breaker in the guide frame 6 2 Powerconfig 29 2 Q Qualified...

Page 351: ......

Page 352: ...Siemens Industry Inc Norcross GA 30092 Technical assistance 1 800 241 3138 www usa siemens com powerdistribution Version No CBIM 01001 0119 ...

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