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Siemens ETU745 Application Manual Download Page 28

26

WL Circuit Breaker Selection and Application Guide

WL Power Circuit Breaker

WL Catalog Numbering Overview

 

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Digit Number

Interrupting Class

Frame Size

Breaker Type

Number of Poles

Frame Ampere Rating

Rating Plug

Electronic Trip Unit (ETU)

Bell Alarm, Breaker Ready-to-Close, Auxiliary Contacts

Shunt Trip

Undervoltage Release (with or without time delay) or 2nd Shunt Trip

Charging Motor, Motor Switch, Operations Counter

Close Coil, Power Metering and Communications

Breaker Locks

Miscellaneous Options

Courtesy of NationalSwitchgear.com

Summary of Contents for ETU745

Page 1: ...Selection and Application Guide Low Voltage WL Circuit Breakers usa siemens com circuitbreakers Courtesy of NationalSwitchgear com ...

Page 2: ...Courtesy of NationalSwitchgear com ...

Page 3: ...sales contract 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 For additional information please visit our website www usa siemens com circuitbreakers or contact your local Siemens Sales Office For technical support please...

Page 4: ...input module 24 ZSI module 24 Analog output module 24 Pre assembled CubicleBus communication cables 24 Fixed mounted breaker bus connectors 25 Primary lug connector kits 25 WL Catalog Numbering Overview 26 UL 489 Ratings 27 28 Ratings for UL 489 27 Ratings for UL 489 non automatic 28 UL 489 assembled breaker catalog number 29 33 Interrupting rating frame size breaker type and frame rating 29 Ratin...

Page 5: ...le phase metering CTs 111 Ground fault and current sensors 112 Circuit breaker accessories 113 116 Shunt trip releases 113 Auxiliary switches 113 Bell Alarm switches 113 Ready to close switch 113 Operation counter 113 Undervoltage trip release 114 Signal contactor for UV trip 114 Closing coil 114 Spring charging motor 115 UL 1066 Internal contact replacement kit 115 Internal phase sensor 115 UL106...

Page 6: ...s upgrading easy and readily available Practical solution Applications The WL line of power breakers are protecting electrical distribution applications like waste water treatment industrial plants hospitals transportation systems and data centers just to name a few Yes mission critical applications trust the Siemens WL circuit breakers to operate safe and reliably The compact modular design provi...

Page 7: ...tes 1 2 3 4 5 6 13 12 11 10 9 8 7 5 Interior breaker features 1 Remote closing coil 2 Second shunt trip or UV release 3 Auxiliary switch 4 Automatic charging motor 5 Operation counter 6 Operating mechanism 7 Electronic trip unit ETU 8 Optional ground fault module with alarm and trip functions 9 Interchangeable current rating plug 10 Breaker status sensor BSS 11 Bell alarm contact with remote reset...

Page 8: ...nal CubicleBUS I O Module 8 Plug In Open and Closed Solenoids 9 Multiple Secondary Connections 10 Auxiliary Switch Block 11 Door Sealing Frame 12 Interlocking Set Base Plate 13 Protective Cover for OPEN CLOSE Buttons 14 Multiple Key Locking Accessories 15 Single Bolt Motor Operator Installation 16 Operations Counter 17 Breaker Status Sensor BSS 18 Complete Trip Unit Family 19 Remote Reset 20 Break...

Page 9: ...MOC 4 Dual key lock location 5 Breaker position switches TOC 6 Communication module location COM 16 or COM 15 7 Optional arc chute cover not shown Standard cradle 1 Stationary secondary disconnect 2 Primary disconnects 3 Cradle frame assembly for draw out breakers 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 7 6 5 4 2 1 3 Courtesy of Nationa...

Page 10: ...r overload protection This selectivity increases optimization of coordinated overload protection when overload fuse protection is also provided ETU basic functions Long time trip The long time delay adjustment is used to set the tripping delay of the circuit breaker based on the magnitude of the overcurrent condition 6 times lr For example if the rating plug is 2000 amps and the long time delay is...

Page 11: ...X X Adjustable instantaneous pick up X X X Selectable I2t or I4t long time delay X X X Adjustable short time delay and pick up X X X Selectable and adjustable neutral protection X X X Dual protective setting capability X Dynamic arc flash sentry DAS X Extended instantaneous protection EIP X X X Parameterization by rotary switches X X Parameterization by communication absolute values X Parameteriza...

Page 12: ...toring and control systems The WL ModBus converter is model COM16 The COM16 device enables the WL breaker to be connected to any Modbus master network Universal Modbus mapping can be used to allow custom monitoring and controls with a centralized monitoring system The Modbus port is configured for RS485 connectivity and can easily be daisy chained to several WL breakers to create a serial network ...

Page 13: ...ed value Value range Accuracy Currents Ia Ib Ic In 30 8000A 1 Ground fault current Ig measure with external Gnd transformer 100 1200A 5 Line to line voltages Vab Vbc Vca 80 120 Vn 1 Line to neutral voltages Van Vbn Vcn 80 120 Vn 1 Average value of phase to phase voltages V L L AVG 80 120 Vn 1 Apparent power kVA per phase 13 8000kVA 2 Total apparent power KVA 13 24000kVA 2 Active power kW per phase...

Page 14: ...ng range Possible delay Overcurrent 3 10000A 0 255 s Overcurrent ground fault 3 10000A 0 255 s Overcurrent N conductor 3 10000A 0 255 s Phase unbalance current 5 50 0 255 s Demand current 3 10000A 0 255 s Total harmonic distortion current 0 50 5 255 s Undervoltage 100 1200V 0 255 s Overvoltage 200 1200V 0 255 s Phase unbalance voltage 5 50 0 255 s Total harmonic distortion voltage 0 50 5 255 s Cre...

Page 15: ...20 ms M Neutral protection Function can be disabled via slide switch N conductor setting range IN In x 0 5 1 Short time overcurrent protection Function can be disabled via rotary switch Setting range Isd In x 1 25 1 5 2 2 5 3 4 6 8 10 12 Setting range of time delay tsd fixed constant time in seconds 0 02 M 0 1 0 2 0 3 0 4 OFF Setting range of time delay Isd at I2t seconds 0 1 0 2 0 3 0 4 Zone Sele...

Page 16: ...r communications Neutral protection Function can be disabled via slide switch on off via keypad or communications N conductor setting range IN In x 0 5 1 OFF 0 5 2 OFF Short time delayed overcurrent protection Function can be switched ON OFF via rotary switch on off via keypad or communications Setting range Isd In x 1 25 1 5 2 2 5 1 25 0 9 x Icw max 3 4 6 8 10 12 step 10A Setting range of time de...

Page 17: ...nter ships with available pre service operations for field setting to zero 1 See page 85 for field install part numbers WL Circuit Breaker Factory Installed Options1 Auxiliary contacts Auxiliary contacts can be used to provide interlocking control or remote indication of the breakers main contact position open or closed breaker The Normally Open NO contacts are open when the breakers main contacts...

Page 18: ... the breaker front cover to isolate the open and close buttons from unintentional use Shrouds may be used in combination or like configuration To isolate the open and close buttons from unintentional use transparent padlock covers can be installed in lieu of the shroud option Two padlocks may be used with a latch diameter of 3 8 inch maximum padlocks by others Racking handle key lock A draw out br...

Page 19: ...y shunt trip is available for 100 duty cycle and can hold the WL breaker open during an electrical or manual close breaker attempt i e lock out The continuous duty trip may be used in conjunction with a standard shunt trip solenoid for dual control Not available for use with UL1066 Listed breakers Shunt trip 120 240 VAC range 85 110 of nominal interlock 24 250VDC range 70 126 or nominal coil Power...

Page 20: ...ndervoltage Operating values 85 110 breaker can be closed release UVR 35 70 breaker will open 120 240VAC Coil voltage tolerance 85 110 of nominal 24 250VDC Coil voltage tolerance 85 126 of nominal Supply voltage 120 240VAC or 24 48 125 250VDC Power consumption 200VA inrush 5VA continuous same in Watts for DC Opening time of breaker 200 ms UVR w o time delay dual setting 80 ms or 200ms UVR with tim...

Page 21: ...ls are standard for fixed mounted breakers 1 See page 85 for field install part numbers Isolation shutters When removing a draw out breaker from its connected position the primary contacts become exposed and more accessible to personnel in the breaker compartment Isolation shutters reduce that accessibility to the primary terminals by automatically closing the access ports to the primary terminals...

Page 22: ...ilable One version operates when the circuit breaker is in both the TEST and CONNECTED positions and the other version operates only when the circuit breaker is in the CONNECTED position Note per ANSI C37 100 a contact a contact that is open when the main device is in the standard reference position and that is closed when the device is in the opposite position b contact a contact that is closed w...

Page 23: ...ull function test of the ETU and the trip actuator Cables for 120VAC power supply and ETU connection is included with the tester Order part number WLTS Communication power supplies For WL devices that require a 24VDC input we offer the Siemens SITOP power supply The SITOP power supply is a class 2 rated devices suitable for supporting loads of 2 5 or 3 8 amps DIN rail mounting provision and compre...

Page 24: ...0 5 Rating WLG800MCT2 1200 5 Rating WLG1200MCT2 1600 5 Rating WLG1600MCT2 2000 5 Rating WLG2000MCT2 2500 5 Rating WLG2500MCT2 3200 5 Rating WLG3200MCT2 For frame size 1 2 or 3 order part numbers 800 5 Rating WLG800NMCT23 1200 5 Rating WLG1200NMCT23 1600 5 Rating WLG1600NMCT23 2000 5 Rating WLG2000NMCT23 2500 5 Rating WLG2500NMCT23 3000 5 Rating WLG3000NMCT23 3200 5 Rating WLG3200NMCT23 4000 5 Rati...

Page 25: ... frame size 2 and 3 breakers only Order part number WLDSF Breaker lifting The breaker lifting yolk is designed to transport the WL breaker when using a hoist or other lifting equipment The device is expandable to conform to all three WL frame sizes and easily attaches to specified lift points on the breaker Order part number WLLFT Remote Breaker Racking Device Provides the ability to safely rack W...

Page 26: ... to interface with external switchgear controls or building management systems They can be used for example to activate analog displays or devices transmit circuit breaker status and cause of trip or read external device control signals One module is suitable for zone selective interlocking main and branch breakers Three different CubicleBUS modules can output data from the CubicleBUS system two d...

Page 27: ...nnection is accessible from the front of the breaker for ease of installation or removal of breaker inside an enclosure Kit includes the required bus and hardware for mounting one 3 pole set of adapters to a breaker Frame size 1 1200A frame 85 kAIC at 480V order part number WLH1F12CONUL Frame size 2 1600A frame 100kAIC at 480V order part number WLL2F16CONUL Frame size 2 2000A frame 100kAIC at 480V...

Page 28: ... Size Breaker Type Number of Poles Frame Ampere Rating Rating Plug Electronic Trip Unit ETU Bell Alarm Breaker Ready to Close Auxiliary Contacts Shunt Trip Undervoltage Release with or without time delay or 2nd Shunt Trip Charging Motor Motor Switch Operations Counter Close Coil Power Metering and Communications Breaker Locks Miscellaneous Options Courtesy of NationalSwitchgear com ...

Page 29: ...00 150 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 60...

Page 30: ...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 Fixed Break...

Page 31: ... 2 D 3 1 2 L 100 65 1600 X X L 1 F 3 1 6 L 100 85 1600 X X L 2 F 3 1 6 L 100 65 1600 X X L 1 D 3 1 6 L 100 85 1600 X X L 2 D 3 1 6 L 100 65 2000 X X L 1 F 3 2 0 L 100 85 2000 X X L 2 F 3 2 0 L 100 65 2000 X X L 1 D 3 2 0 L 100 85 2000 X X L 2 D 3 2 0 L 100 85 2500 X X L 2 F 3 2 5 L 100 85 2500 X X L 2 D 3 2 5 L 100 85 3000 X X L 2 F 3 3 0 L 100 85 3000 X X L 2 D 3 3 0 L 100 85 4000 X X L 3 F 3 4 0...

Page 32: ...L ETU748 X X X X N ETU748 X X X X P ETU748 X X X X X Q ETU776 X X X V ETU776 X X X X W ETU776 X X X X X Y X Indicates function can be disabled by user 1 Neutral protection N is available as standard Breaker catalog number A B C D E F G H J K L M N P Q R T U V W Z 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 Maximum For use with continuous frame size current rating 1 2 3 200 X X 225 X X 250 X X 300 X X ...

Page 33: ...4 X X T 48 X X U 120 125 X X V 240 250 X X W 24 X X Y 48 X X Z 120 125 X X 1 240 250 X X 2 24 X X X 3 48 X X X 4 120 125 X X X 5 240 250 X X X 6 24 X X X 7 48 X X X 8 120 125 X X X 9 240 250 X X X 0 WL Insulated Case Circuit Breaker UL 489 Listed Catalog Number Breaker catalog number Operation voltage Status Continuous duty coil AC DC contact electrical interlock None X 24 A 48 B 120 125 C 240 250...

Page 34: ... 240 250 X X T WL Insulated Case Circuit Breaker UL 489 Listed Catalog Number Breaker catalog number Charging motor operation voltage Motor cut off Operations AC DC switch counter None X 24 A 48 B 120 125 C 240 250 D 24 X E 48 X F 120 125 X G 240 250 X H 24 X J 48 X K 120 125 X L 240 250 X M 24 X X N 48 X X P 120 125 X X Q 240 250 X X R 1 Status contact is only available when Communications is not...

Page 35: ... Custom key locks are not available and must be supplied by others Order key lock provision if custom if keyed alike locks are required 2 Locks provided by others Miscellaneous options Key lock breaker Manual trip reset ETU OPEN position provision only 2 Automatic trip reset is standard None N X B X C X X D Breaker catalog number 1 1 Close coil Power metering operation voltage capable MODBUS 2 PRO...

Page 36: ...00 X X L 2 Y 3 1 6 S S L 100 85 1600 X X L 2 Z 3 1 6 S S L 100 85 2000 X X L 2 Y 3 2 0 S S L 100 85 2000 X X L 2 Z 3 2 0 S S L 100 85 2500 X X L 2 Y 3 2 5 S S L 100 85 2500 X X L 2 Z 3 2 5 S S L 100 85 3000 X X L 2 Y 3 3 0 S S L 100 85 3000 X X L 2 Z 3 3 0 S S L 100 85 4000 X X L 3 Y 3 4 0 S S L 100 85 4000 X X L 3 Z 3 4 0 S S L 100 85 5000 X X L 3 Y 3 5 0 S S L 100 85 5000 X X L 3 Z 3 5 0 S S Rea...

Page 37: ...40 250 X M 24 X X N 48 X X P 120 125 X X R 240 250 X X S Shunt trip Undervoltage release with or without time delay or 2nd shunt trip Operation voltage UVR UVR UVR status 1 2nd shunt AC DC without delay with delay contact 1NO trip None X 24 X A 48 X B 120 125 X C 240 250 X D 48 X E 120 125 X F 240 250 X G 24 X H 48 X J 120 125 X K 240 250 X L 24 X X M 48 X X N 120 125 X X P 240 250 X X Q 48 X X R ...

Page 38: ... 4 5 6 7 8 9 10 11 12 13 14 15 Charging motor operation voltage Motor cut off Operations AC DC switch counter None X 24 A 48 B 120 125 C 240 250 D 24 X E 48 X F 120 125 X G 240 250 X H 24 X J 48 X K 120 125 X L 240 250 X M 24 X X N 48 X X P 120 125 X X Q 240 250 X X R Close coil communications Close coil operation voltage AC DC Modbus 1 PROFIBUS 1 None X X G 24 A 24 X N 48 B 48 X S 120 125 C 120 1...

Page 39: ...f custom keys or keyed alike locks are required 2 Padlock provided by others Switch catalog number Key lock breaker Key lock breaker Padlock provisions for Padlock provisions OPEN position lock OPEN position lock OPEN and CLOSE for charging type KIRK 1 type SUPERIOR 1 push buttons 2 handle None X X A X C X E X F X X G X X J X X S X X U X X V X X X W X X X Z Miscellaneous options Key lock breaker O...

Page 40: ...ifferential ground fault MDGF CTs Modified differential GF FS2 1200 1 Phase CT WLGMDGFCT2 Modified differential GF FS3 1200 1 Phase CT WLGMDGFCT3 Modified differential GF FS2 and FS3 1200 1 Neutral CT WLGNMDGFCT23 4 wire residual ground fault sensor Without copper bus adapters pass thru mount for 3 max bus bar WLNCT2 Without copper bus adapters pass thru mount for 3 5 max bus bar WLNCT3 With coppe...

Page 41: ... 3 3 0 C 150 100 4000 X C 3 3 4 0 C 150 100 5000 X C 3 3 5 0 Type of secondary terminal connection 1 For breakers Screw clamp terminals A Spring clamp terminals B Ring terminals C Screw clamp terminals low profile non partable design L For switches non automatic Screw clamp terminals G Spring clamp terminals H Ring terminals J Screw clamp terminals low profile non partable design N Truck Operated ...

Page 42: ...nly 4 Locks against racking breaker if the cubicle door is open FS2 and FS3 1 2 3 4 None X X M X A X B X C X X D X X X E X X F X X G X X H Mechanism Operated Contacts MOC Breaker open close auxiliary switches 4a 4b in the following positions None X Test and Connect position FS1 and FS2 only M Connect position FS1 and FS2 only N Test and Connect position FS3 only P Connect position FS3 only Q Conne...

Page 43: ... accessories Catalog number 3 phase metering CTs cradle mounted 3 windows per CT FS1 and FS2 Rating 800 5 WLG8005MCT2 Rating 1200 5 WLG12005MCT2 Rating 1600 5 WLG16005MCT2 FS2 Rating 2500 5 WLG25005MCT2 Rating 3000 5 WLG30005MCT2 FS3 Rating 4000 5 WLG40005MCT3 Rating 5000 5 WLG50005MCT3 Courtesy of NationalSwitchgear com ...

Page 44: ...ts loss at rated In Consult factory Consult factory Ambient operating temperature ºC 25 to 40 25 to 40 Weights Fused Breaker Breaker Cradle lbs 227 159 112 227 159 112 WL frame ratings Frame size 2 2000A 3200A Rating Class S H L F S H L Interrupting current frame Ics 254VAC 65 85 100 200 65 85 100 kAIR RMS 50 60 Hz 508VAC 65 85 100 200 65 85 100 600VAC 200 635VAC 65 65 85 65 65 85 Short time curre...

Page 45: ... 60 Hz 508VAC 150 200 85 100 150 200 85 100 150 200 600VAC 200 200 200 635VAC 85 85 85 85 85 85 85 Short time current Icw kA RMS 1 sec 100 85 100 100 85 100 100 Close and latch rating kA RMS 100 85 100 100 85 100 100 Applicable rating plug range 800 3200A 800 4000A 800 5000 A Mechanical make time ms 35 35 35 Mechanical break time ms 34 34 24 Electric close make time ms 50 50 50 Electric trip UV br...

Page 46: ... 3 5 0 F 200 200 800 X 400 F 2 A 3 0 A F 200 200 800 X 600 F 2 A 3 0 B F 200 200 800 X 800 F 2 A 3 0 C F 200 200 800 X 900 F 2 A 3 0 D F 200 200 800 X 1000 F 2 A 3 0 E F 200 200 800 X 1200 F 2 A 3 0 F F 200 200 800 X 1600 F 2 A 3 0 G F 200 200 800 X 2000 F 2 A 3 0 H F 200 200 800 X 2500 F 2 A 3 0 J F 200 200 800 X 3000 F 2 A 3 0 K F 200 200 1600 X 400 F 2 A 3 1 A F 200 200 1600 X 600 F 2 A 3 1 B F...

Page 47: ...0 X X U 2500 X X V 3000 X X W 3200 X X Y 4000 X Z 5000 X 1 Rating plug 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Electronic trip units ETU Trip unit Protective function LCD display Ground fault module type L S I alpha num Alarm Trip ETU745 X X X C ETU745 X X X X D ETU745 X X X X E ETU745 X X X X X F ETU745 X X X X X G ETU745 X X X X X X H ETU748 X X J ETU748 X X X K ETU748 X X X L ETU748 X X X X N ETU74...

Page 48: ...ontacts Bell alarm Remote reset Breaker Breaker open close coil voltage Form C ready to close auxiliary switches AC DC contacts 1b contact 2a 2b 4a 4b None X X A X B X C X D X X E X X F X X G X X H X X I X X X J X X X K 24 X L 48 X M 120 125 X N 240 250 X O 24 X X P 48 X X Q 120 125 X X R 240 250 X X S 24 X X T 48 X X U 120 125 X X V 240 250 X X W 24 X X Y 48 X X Z 120 125 X X 1 240 250 X X 2 24 X...

Page 49: ...S 120 250 X X T WL Power Circuit Breaker UL 1066 Listed Catalog Number Breaker catalog number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Charging motor operation voltage Motor cut off Operations AC DC switch counter None X 24 A 48 B 120 125 C 240 250 D 24 X E 48 X F 120 125 X G 240 250 X H 24 X J 48 X K 120 125 X L 240 250 X M 24 X X N 48 X X P 120 125 X X Q 240 250 X X R Charging motor motor switch oper...

Page 50: ... SUPERIOR 3 pushbuttons 4 handle 4 None X X A X C X E X F X X G X X J X X S X X U X X V X X X W X X X Z 1 Requires External PTs for voltage input and 24VDC power supply 2 Includes BSS device and requires 24VDC power supply 3 Custom key locks are not available and must be supplied by others Order key lock provision if custom if keyed alike locks are required 4 Locks provided by others 1 Close coil ...

Page 51: ... X 1200 F 2 S 3 0 F S S F 200 200 800 X 1600 F 2 S 3 0 G S S F 200 200 800 X 2000 F 2 S 3 0 H S S F 200 200 800 X 2500 F 2 S 3 0 J S S F 200 200 800 X 3000 F 2 S 3 0 K S S F 200 200 1600 X 1000 F 2 S 3 1 E S S F 200 200 1600 X 1200 F 2 S 3 1 F S S F 200 200 1600 X 1600 F 2 S 3 1 G S S F 200 200 1600 X 2000 F 2 S 3 1 H S S F 200 200 1600 X 2500 F 2 S 3 1 J S S F 200 200 1600 X 3000 F 2 S 3 1 K S S ...

Page 52: ...50 D 24 X E 48 X F 120 125 X G 240 250 X H Operation voltage UVR UVR UVR 2nd shunt AC DC without delay with delay status contact1 trip None X 24 X A 48 X B 120 125 X C 240 250 X D 48 X E 120 125 X F 240 250 X G 24 X H 48 X J 120 125 X K 240 250 X L 24 X X M 48 X X N 120 125 X X P 240 250 X X Q 48 X X R 125 X X S 120 250 X X T WL Power Circuit Switch UL 1066 Listed Non automatic Catalog Number 1 2 ...

Page 53: ... 250 X 2 X H 24 X P 48 X T 120 125 X Y 240 250 X 3 Charging motor operation voltage Motor cut off Operations AC DC switch counter None X 24 A 48 B 120 125 C 240 250 D 24 X E 48 X F 120 125 X G 240 250 X H 24 X J 48 X K 120 125 X L 240 250 X M 24 X X N 48 X X P 120 125 X X Q 240 250 X X R Charging motor motor switch operations counter Switch catalog number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 Requ...

Page 54: ...nection for 3 max bus bar WLNCT2CB With copper bus adapters for bus bar connection for 3 5 max bus bar WLNCT3CB Internal replacement current sensor kit Frame Size 2 Breaker WLCT2 Frame Size 3 Breaker WLCT3 Miscellaneous external accessories Crimp lugs for 10 AWG secondary wiring package of 70 WL10RL Auxiliary contact on drawout breaker knife block WLCNMD 24V DC trip unit and communications power s...

Page 55: ...le catalog number G 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Class Interrupt rating kA Frame Frame size 240VAC Max ampere 480VAC 600VAC rating A 2 3 N 50 50 800 X N 2 3 0 8 N 50 50 1600 X N 2 3 1 6 S 65 65 800 X S 2 3 0 8 S 65 65 1600 X S 2 3 1 6 S 65 65 2000 X S 2 3 2 0 S 65 65 3200 X S 2 3 3 2 H 85 65 800 X H 2 3 0 8 H 85 65 1600 X H 2 3 1 6 H 85 65 2000 X H 2 3 2 0 H 85 65 3200 X H 2 3 3 2 H 85 85 400...

Page 56: ...n close auxiliary switches 4a 4b in the following positions None X Test and Connect position FS2 only M Connect position FS2 only N Test and Connect position FS3 only P Connect position FS3 only Q Connector and heater options Standard rear connectors X Standard rear connectors and a cradle heater H Rotatable rear connectors FS2 2000A and below N S H Class J Rotatable rear connectors and a cradle h...

Page 57: ...55 WL Circuit Breaker Selection and Application Guide WL Breaker Application data WL Secondary Terminal Assignments Courtesy of NationalSwitchgear com ...

Page 58: ...SENSOR TWISTED PAIR P1 P2 BOTTOM FED SOURCE TOP FED SOURCE 3P 4W 480V OR 600V AC ETU745 ETU748 ETU776 METERING MODULE BREAKER STATUS SENSOR BSS MODULE 0VDC CUB CUB 24VDC CubicleBus A B C N POTENTIAL TRANSFORMER INPUTS X8 8 N X8 7 L3 X8 6 L2 X8 5 L1 INTERNAL WIRING INTERNAL WIRING INTERNAL WIRING S43 S42 S45 S40 S41 S44 WIRING IS CONTINUOUS IF NO METERING MODULE IS INSTALLED WIRING IS CONTINUOUS IF...

Page 59: ...a AUX SWITCH S2 NC 52b AUX SWITCH S1 NC 52b AUX SWITCH S1 NO 52a N READY TO CLOSE SIGNALING SWITCH 52LC L N SECOND SHUNT TRIP 52TC MAG LATCH FOR OPEN FUSE LOCKOUT TO FUSE CARRIAGE OPEN FUSE LOCKOUT SWITCH S26 FIRST SHUNT TRIP SIGNALING SWITCH 52CS SECOND SHUNT TRIP SIGNALING SWITCH S2CS BELL ALARM TRIP SIGNALING SWITCH 30 NC BELL ALARM TRIP SIGNALING SWITCH 30 NO COM15 OR 16 COMM MOD COMM MODULE L...

Page 60: ...al current summation of the 3 phase currents and the neutral conductor current Direct measurement of the ground fault current A current transformer with the transformer ratio 1200A 1A is used to measure the ground fault current The transformer can be installed directly in the grounded star point of a transformer Setting The ground fault module can be set depending on the measuring method see above...

Page 61: ...V secondary voltages The following ratios are suggested or equivalent VTs can be used Must be suppled by others 240 120 2 1 ITI Part 460 240 or 468 240 480 120 4 1 ITI Part 460 480 or 468 480 600 120 5 1 ITI Part 460 600 or 468 600 VT Accuracy Each Metering Module presents a purely resistive unity power factor load to the transformer Assuming no other devices connected to the VT a ITI type 486 VT ...

Page 62: ...60 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Fixed mount Breaker Dimensions Frame size 1 Courtesy of NationalSwitchgear com ...

Page 63: ...L Circuit Breaker Selection and Application Guide Frame size 1 Horizontal Connectors Top view Bottom view Low Voltage Circuit Breaker UL489 Fixed mount Breaker Dimensions Courtesy of NationalSwitchgear com ...

Page 64: ...L Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Fixed mount Breaker Dimensions Frame Size 1 Rear Vertical Connectors Top view Rear view Courtesy of NationalSwitchgear com ...

Page 65: ...3 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Fixed mount Breaker Dimensions Frame Size 1 Front Connectors Top view Front view Courtesy of NationalSwitchgear com ...

Page 66: ... Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Fixed mount Breaker Dimensions Frame Size 1 Front Connectors and Lugs Top view Front view Courtesy of NationalSwitchgear com ...

Page 67: ...65 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Fixed mount Breaker Dimensions Fixed Size 1 Door Cut outs Courtesy of NationalSwitchgear com ...

Page 68: ...uide Low Voltage Circuit Breaker UL489 Fixed mount Breaker Dimensions Frame Size 2 Interrupting class Dimension B Dimension C Dimension D S L 15 85 402 5 18 70 475 0 22 30 566 5 C 17 80 452 10 18 70 475 0 25 20 640 0 Courtesy of NationalSwitchgear com ...

Page 69: ... Circuit Breaker UL489 Fixed mount Breaker Dimensions Frame Size 2 Optional Vertical Connectors Interrupting Class Rated Current Dimension A S L max 1600 A 0 39 10 S L max 2000 A 0 59 15 S L max 3000 A 1 18 30 C 1600 3000 A 1 18 30 Courtesy of NationalSwitchgear com ...

Page 70: ...oltage Circuit Breaker UL489 Fixed mount Breaker Dimensions Frame Size 2 Optional Vertical Connectors Top view Rear view Rated Current Dimension A max 1600 A 0 39 10 max 2000 A 0 59 15 max 3000 A 1 18 30 C class always 1 18 30 Courtesy of NationalSwitchgear com ...

Page 71: ...ion Guide Low Voltage Circuit Breaker UL489 Fixed mount Breaker Dimensions Frame Size 2 Front Connectors Front view LH side view Rated Current Dimension A max 1600 A 0 39 10 max 2000 A 0 79 20 max 2500 A 0 79 20 Courtesy of NationalSwitchgear com ...

Page 72: ...70 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Fixed mount Breaker Dimensions Frame Size 2 3000A Front Connectors Courtesy of NationalSwitchgear com ...

Page 73: ...71 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Fixed mount Breaker Dimensions LH side view Frame Size 3 Courtesy of NationalSwitchgear com ...

Page 74: ...t Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Fixed mount Breaker Dimensions Frame Size 3 Vertical Connectors and Horizontal Stabs Top view Top view Courtesy of NationalSwitchgear com ...

Page 75: ...73 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Fixed mount Breaker Dimensions Frame Size 3 Top view Rear view Courtesy of NationalSwitchgear com ...

Page 76: ...ircuit Breaker Selection and Application Guide LH side view Front view Frame Size 3 5000A Vertical Connectors Low Voltage Circuit Breaker UL489 Fixed mount Breaker Dimensions Courtesy of NationalSwitchgear com ...

Page 77: ...ensions Door cut out and mounting holes for Door Sealing Frame Door cut out Middle escutcheon visible 1 Breaker mounting surface 2 Center of breaker front panel 3 Drill eight holes for mounting door sealing frame Door cut out after mounting Door Sealing Frame Minimal door cut out Only center eustcheon visible Courtesy of NationalSwitchgear com ...

Page 78: ...76 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Draw out Breaker Dimensions Frame Size 1 Courtesy of NationalSwitchgear com ...

Page 79: ...77 WL Circuit Breaker Selection and Application Guide Rear view Top view Low Voltage Circuit Breaker UL489 Draw out Breaker Dimensions Frame Size 1 Vertical Connectors Courtesy of NationalSwitchgear com ...

Page 80: ...78 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Draw out Breaker Dimensions Frame Size 1 Bottom view Courtesy of NationalSwitchgear com ...

Page 81: ...79 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Draw out Breaker Dimensions Frame Size 1 Charging and Racking Courtesy of NationalSwitchgear com ...

Page 82: ...80 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Draw out Breaker Dimensions Frame Size 1 Plexiglass Cover Courtesy of NationalSwitchgear com ...

Page 83: ...81 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Draw out Breaker Dimensions Frame Size 1 Door Cut outs Courtesy of NationalSwitchgear com ...

Page 84: ...82 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Draw out Breaker Dimensions Frame Size 2 Courtesy of NationalSwitchgear com ...

Page 85: ...83 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Draw out Breaker Dimensions Frame Size 2 2500 3000A 2000A 800 1200 1600A Courtesy of NationalSwitchgear com ...

Page 86: ...800A 2000A Frame Sizes 2 Only acceptable for short circuit ratings of 85KAIC or less Frame Size 2 Vertical Connectors and Optional Horizontal Connectors Low Voltage Circuit Breaker UL489 Draw out Breaker Dimensions Horizontal Main Bus Connectors Horizontal Main Bus Connectors Vertical Main Bus Connectors Vertical Main Bus Connectors Courtesy of NationalSwitchgear com ...

Page 87: ...85 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Draw out Breaker Dimensions Frame Size 2 Charging Racking and Draw out Courtesy of NationalSwitchgear com ...

Page 88: ...86 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Draw out Breaker Dimensions Frame Size 3 Courtesy of NationalSwitchgear com ...

Page 89: ...87 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Draw out Breaker Dimensions Frame Size 3 Vertical Connectors Courtesy of NationalSwitchgear com ...

Page 90: ...88 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL489 Draw out Breaker Dimensions Frame Size 3 Charging Racking and Draw out Courtesy of NationalSwitchgear com ...

Page 91: ...21 5 Door cut out and mounting holes for Door Sealing Frame Door cut out Middle escutcheon visible 1 Mounting surface of the circuit breaker or cradle 2 Center of breaker front panel 3 Drill eight holes for mounting door sealing frame Door cut out after mounting Door Sealing Frame Minimal door cut out Only center eustcheon visible Courtesy of NationalSwitchgear com ...

Page 92: ...ltage Circuit Breaker UL489 Door Sealing Frame Dimensions Frame Size 2 and 3 Door Cut outs 1 Mounting surface of the circuit breaker or cradle 2 Center of breaker front panel 3 Drill eight holes for mounting door sealing frame Courtesy of NationalSwitchgear com ...

Page 93: ...91 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL 1066 Draw out Non fused Breaker Dimensions Frame Size 2 Courtesy of NationalSwitchgear com ...

Page 94: ...92 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL 1066 Draw out Non fused Breaker Dimensions Frame Size 2 3200A 2000A 800 1600A Courtesy of NationalSwitchgear com ...

Page 95: ... Rotatable main bus connectors are only available under the following conditions 1 Only acceptable for FS2 800A 2000A Frame Sizes 2 Only acceptable for short circuit ratings of 85kAIC or less Horizontal Main Bus Connectors Horizontal Main Bus Connectors Vertical Main Bus Connectors Vertical Main Bus Connectors Courtesy of NationalSwitchgear com ...

Page 96: ... WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL 1066 Draw out Non fused Breaker Dimensions Frame Size 2 Charging Racking and Draw out Courtesy of NationalSwitchgear com ...

Page 97: ...95 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL 1066 Draw out Fused Breaker Dimensions Frame Size 2 Courtesy of NationalSwitchgear com ...

Page 98: ...2 C L C L 7 37 187 3 5 18 131 6 5 25 133 4 5 25 133 4 7 89 200 5 13 35 339 2 5 25 133 4 5 25 133 4 0 25 6 3 0 25 6 4 Top ventilation area must remain unobstructed 23 63 600 1 2 31 58 7 1 75 44 5 6 97 177 1 1 75 44 5 0 75 19 1 1 75 44 5 4 00 101 6 Ø0 53 Ø 13 5 1 75 44 5 10 38 263 6 9 25 235 0 2 88 73 2 Courtesy of NationalSwitchgear com ...

Page 99: ...97 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL 1066 Draw out Fused Breaker Dimensions Frame Size 2 Charging Racking and Draw out Courtesy of NationalSwitchgear com ...

Page 100: ... Max radii 4 plcs R0 08 R2 0 5 63 142 9 1 93 49 0 10 98 278 9 4 78 121 5 R0 08 R2 0 Max radii 4 plcs 10 98 278 9 4 78 121 5 Door cut out and mounting holes for Door Sealing Frame Door cut out Middle escutcheon visible 1 Mounting surface of the circuit breaker or cradle 2 Center of breaker front panel 3 Drill eight holes for mounting door sealing frame Door cut out after mounting Door Sealing Frame...

Page 101: ...99 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL 1066 Draw out Non fused Breaker Dimensions Frame Size 3 Courtesy of NationalSwitchgear com ...

Page 102: ...100 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL 1066 Draw out Non fused Breaker Dimensions Frame Size 3 Courtesy of NationalSwitchgear com ...

Page 103: ...101 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL 1066 Draw out Non fused Breaker Dimensions Frame Size 3 Courtesy of NationalSwitchgear com ...

Page 104: ...102 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL 1066 Draw out Fuse Carriage Dimensions Frame Size 3 Fuse Carriage Courtesy of NationalSwitchgear com ...

Page 105: ...103 WL Circuit Breaker Selection and Application Guide Low Voltage Circuit Breaker UL 1066 Draw out Fuse Carriage Dimensions Frame Size 3 Fuse Carriage Racking Courtesy of NationalSwitchgear com ...

Page 106: ...ut out and mounting holes for Door Sealing Frame Door cut out Middle escutcheon visible 1 Mounting surface of the circuit breaker or cradle 2 Center of breaker front panel 3 Drill eight holes for mounting door sealing frame Door cut out after mounting Door Sealing Frame Minimal door cut out Only center eustcheon visible Courtesy of NationalSwitchgear com ...

Page 107: ...ow Voltage Circuit Breaker UL 1066 Draw out Dimensions Frame Size 2 and 3 Door Cut outs 1 Mounting surface of the circuit breaker or cradle 2 Center of breaker front panel 3 Drill eight holes for mounting door sealing frame Courtesy of NationalSwitchgear com ...

Page 108: ...RP1600 1600A WLRP5000 5000A WLRP350 350A WLRP700 700A WLRP2000 2000A ETU catalog Trip unit Protective Replacement Ground Ground fault number functions settings LCD displays fault alarm alarm and trip WLETU745 LSI WLTUSC55 WLLCD45 WLGFA48 WLGFM48 WLETU748 LS WLTUSC55 WLLCD45 WLGFA48 WLGFM48 WLETU776 LSI WLTUSC76 Not replaceable WLGFA76 WLGFM76 Trip unit with metering function WLETU745MP LSI WLTUSC7...

Page 109: ... Catalog number Trip unit test equipment WLTS Hand held tester for Electronic Trip Unit Fixed LSIG pick up WLTSC Replacement cable for WLTS Test Unit 24Vdc power supply WLSITOP25 24Vdc ETU and COMM power supply 2 5A SITOP Power Class 2 WLSITOP1 24Vdc ETU and COMM power supply 3 8A SITOP Power Class 2 Courtesy of NationalSwitchgear com ...

Page 110: ... frame mount WLCNMD Knife blade contact block WLTERMBLKUL Pull Apart Terminal Block UL 489 only w 1 0mm leads WLCNMDA Extends height of secondary disconnect Secondary disconnect coding kit UL489 only WLCODEKITUL For 10 AWG wire consist of package on 70 pcs WL crimp lugs WL10RL For use with WLGAUXPLUGR 1 Compression screw connector WLGAUXPLUGP Spring load connector WLGAUXPLUGT Ring lug connector WL...

Page 111: ...GARC2UL UL489 FS2 S L WLGARC2 ANSI FS2 N S H L WLGARC3 ANSI UL489 FS2 H L WLGARCF2 ANSI UL489 FS2 Fused cradle MOC Mechanism operated contacts for draw out breaker WLMOC 4NO 4NC Test and connect position FS1 and FS2 WLMOCC 4NO 4NC Connect position only FS1 and FS2 WLMOC3 4NO 4NC Test and connect position FS3 WLMOCC3 4NO 4NC Connect position only FS3 for fixed mounted circuit breakers WLMOCUL1 4NO ...

Page 112: ...evice against opening the cubicle door when breaker is in connect position FS1 Only WLDRLC1 Locking Device against opening the cubicle door when breaker is in connect position FS2 FS3 WLDRLC5UL Locking Device against moving racking the breaker when the cubicle door is in connect position FS2 FS3 Mechanical interlock devices Mechanical interlock cable ships with 2 0m Bowden Cable WLNTLK For FS1 FS2...

Page 113: ...LG30005MCT2 FS2 3000 5 WLG32005MCT2 FS2 3200 5 WLG20005MCT3 FS3 2000 5 WLG30005MCT3 FS3 3000 5 WLG32005MCT3 FS3 3200 5 WLG40005MCT3 FS3 4000 5 WLG50005MCT3 FS3 5000 5 Single phase metering CT Catalog number Ratio WLG800NMCT23 800 5 WLG1200NMCT23 1200 5 WLG800NMCT23 800 5 WLG1200NMCT23 1200 5 WLG1600NMCT23 1600 5 WLG2000NMCT23 2000 5 WLG3000NMCT23 3000 5 WLG3200NMCT23 3200 5 WLG4000NMCT23 4000 5 WL...

Page 114: ...le mount WLGNMDGCT23 1200 1 1 phase cradle mount External neutral CT for 4 wire residual ground fault WLNCT2 3 Without copper bus adapter pass thru mount WLNCT3 3 5 max bus bar size Without copper bus adapter pass thru mount WLNCT2CB For 3 With copper bus adapter for bus connection WLNCT3CB For 3 5 max bus bar size With copper bus adapter for bus connection Neutral Sensor Neutral Sensor with Bus C...

Page 115: ...signal contactor 1st Shunt Trip WLSTC NO switch 3A 240Vac rating signal contactor second Shunt Trip WLUVRC NO switch 3A 240Vac rating Auxiliary signaling switch WLAS2 2 NO and 2 NC contacts WLAS4 4 NO and 4 NC contacts Ready to close signal switch WLRTCS 1 form A NO contact 5A 240Vac Bell alarm Remote reset solenoid for Bell alarm and trip indicator WLRSET24 24Vdc WLRSET48 48Vdc WLRSET120 125Vdc 1...

Page 116: ...0 250Vdc 240Vac instantaneous trip WLUVD48 48Vdc time delayed WLUVD120 125Vdc 120Vac time delayed WLUVD240 250Vdc 1240Vac time delayed Signal contactor for UV trip WLUVRC NO switch 3A 240Vac rating Closing coil WLRCS24 24Vdc 3 cycle momentary duty WLRCS48 48Vdc 3 cycle momentary duty WLRCS120 125Vdc 120Vac 3 cycle momentary duty WLRCS240 250Vdc 240Vac 3 cycle momentary duty Undervoltage Trip Coil ...

Page 117: ...0A RCS2S10 FS2 S Group 800A 1600A RCS2H10 FS2 H Group 800A 1600A RCS2L10 FS2 L Group 800A 1600A RCS2S15 FS2 S Group 2000A RCS2HF15 FS2 H and F Group 2000A RCS2L15 FS2 L Group 2000A RCS2S30 FS2 S Group 3200A RCS2H30 FS2 H Group 3200A RCS2L30 FS2 L Group 3200A RCS3HF30 FS3 H and F Group 4000 5000A RCS3L30 FS2 L Group 4000 5000A Internal phase sensor Rogowski coil WLCT2 FS2 ANSI breaker kit for one b...

Page 118: ...FS3 ANSI 4000A 5000A 6 pieces WLFC6X3B For FS3 Fuse Carriage 6 pieces Circuit breaker bus connectors UL 489 Fixed Mount Front mount Bus Connector WLH1F12CONUL FS1 800 1200AF 85kAIC at 480V maximum 6 pieces WLL2F16CONUL FS2 1600AF 100kAIC at 480V maximum 6 pieces WLL2F20CONUL FS2 2000AF 100kAIC at 480V maximum 6 pieces WLL2F25CONUL FS2 2500AF 100kAIC at 480V maximum 6 pieces WLL2F30CONUL FS2 2500 3...

Page 119: ...king Handle Prevents withdrawal of the Racking Handle WLLKCLKRK or WLLCLSUP Breaker OPEN Mounted through the Cubicle Door WLDLKRK WLDLPR WLDLSUP WLDLDKRK or WLDLDSUP UP Breaker OPEN Up to 4 Padlocks All Breakers Ship with WLLKNP WLLKNP Mechanical OPEN Padlockable Sealing Cover Up to 3 Padlocks WLLKKT Mechanical CLOSE Padlockable Sealing Cover Up to 3 Padlocks WLLKKT Shutter Standard Guide Rails St...

Page 120: ...9 Kirk Key racking handle locking device WLLKCKRK FS2 FS3 ANSI UL489 Kirk Key Racking handle locking device WLLKCLSUP1 FS1 UL489 Superior Racking Handle Locking Device WLLKCSUP FS2 FS3 ANSI UL489 Superior racking handle locking device WLLKCKPR FS2 FS3 ANSI UL489 Key lock provision Racking handle locking device to prevent moving a draw out breaker in all 3 positions WLHANDLC 1 padlock provision Cha...

Page 121: ...cement breaker foot FS3 drawout WLFMNT1 Replacement breaker foot FS1 fixed mounted WLFMNT2 Replacement breaker foot FS2 fixed mounted WLFMNT3 Replacement breaker foot FS3 fixed mounted WLBCERTEST WL circuit breaker certified test report WLINTWIRE1 Wire for N GF CTs from X8 11 and 12 to electronic trip WLINTWIRE2 CubicleBus internal wiring Should it become necessary for the customer to return a WL ...

Page 122: ...ule WLANLGCUB Analog output module WLRLYCUB Digital output relay module with rotary switch WLRLYCCUB Digital output relay module configurable WLDGNCUB Digital input module Cables for CubicleBus modules WLCBUSCABLE02 0 2 Meter long WLCBUSCABLE1 1 0 Meter long WLCBUSCABLE2 2 0 Meters long WLCBUSCABLE4 4 0 Meters long WLCBUSCABLE9 9 0 Meters long External communication devices WLBDAP BDA plus electro...

Page 123: ...Courtesy of NationalSwitchgear com ...

Page 124: ...ontains merely general descriptions or characteristics of performance which in case of actual use do not always apply as described or which may change as a result of further development of the products An obligation to provide the respective characteristics shall only exist if expressly agreed in the terms of contract All product designations may be trademarks or product names of Siemens AG or sup...

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