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Содержание l-T-E CMD6

Страница 1: ...SIEMENS l T E Molded Case Circuit Breakers MD ND Frame Information and Instruction Guide Courtesy of NationalSwitchgear com ...

Страница 2: ...Courtesy of NationalSwitchgear com ...

Страница 3: ...itch and Bell Alarm Switch Installation 51 25 26 Miscellaneous Shunt Trip Undervoftage Trip Auxiliary Switch and Bell Alarm Switch Electrical and Mechanical Check UL Listings and File Numbers 52 27 Industry Specifications 52 28 29 Rotary Handle Operator These instructions do not purport to cover all details or variations in equipment nor to provide for every possible con tingency to be met in conn...

Страница 4: ...p points as shown below 1 I Circuit breakers are calibrated at the factory under controlled temperature conditions for applications in a 40 C 104 F ambient The cover on the trip unit is sealed to prevent access to the trip elements Alterations of the calibration of these elements should not be attempted Removal of the seals will void the UL listing for that specific trip unit Catalog numbers for o...

Страница 5: ...g information is located on pages 44 and 46 Interrupting Ratings Symmetrical RMS Amperes kA Based on UL 489 Standards Interrupting ratings of the MD and ND Frame circuit breakers are based on circuit and test conditions outlined in UL 489 RMS Symmetrical Amperes kA lie Am ULA I R Breaker Type Maintenance Experience has shown that properly applied molded case cir cuit breakers normally do not requi...

Страница 6: ...I k I r _ Adjustment i Terminal Shield 69 Removable 4 0 i I I i i 3 52 H 5 J L 2 5 J Typ Typ 1 5 h 3 0 3 0 B Wire Connector Shield Typ Each End Front View Side View Handle Operating Forces 3 60 Operation Lb wo Ext Lb w Ext 2 13 OFF to ON ON to OFF TRIPPED to RESET 75 40 i 06 85 46 5 Taper Typ 130 70 1 50 Ref I All drawing dimensions are shown in inches Two and 3 pole breakers are the same physical...

Страница 7: ...r use with other terminal connectors A DANGER H Hazardous Voltage Will cause severe injury or death Turn off and lock out all power supplying this device before installing or servicing A SAFETY INSTRUCTIONS General NOTE This instruction outlines the recommended install ation procedures for TA4N8500 TA4P8500 TA2N8750 and TA3N8750 A Move breaker handle to OFF position or depress PUSH TO TRIP button ...

Страница 8: ...A4P8500 ND6 NXD6 SND6 HND6 HNXD6 SHND6 CND6 SCND6 4 250 500 kcmil Cu AI 800 1200 375 in lb TA4N8500 MD6 MXD6 SMD6 HMD6 HMXD6 SHMD6 CMD6 SCMD6 1 2 1 AWG 500 kcmil Cu 500 600 375 in lb TC2K500 MD6 MXD6 SMD6 HMD6 HMXD6 SHMD6 CMD6 SCMD6 1 3 1 AWG 350 kcmil Cu 700 800 375 in lb TC3K350 MD6 MXD6 SMD6 HMD6 HMXD6 SHMD6 CMD6 SCMD6 2 600 750 kcmil Cu AI 700 800 375 in lb TA2N8750 3 250 400 kcmil Cu AI 3 500...

Страница 9: ...fer to Figure 2 for sequence of multiple crimps A I Mun Second Crimp m t m First Crimp I viJSs o Compression Connector Kit CCN1200 Installation of Compression Connector A Turn off power supplying device before installing compres sion lugs B Remove any existing wire connectors from circuit breaker C Install circuit breaker D Preform cables to final configuration and strip insulation back 113 ie in ...

Страница 10: ...or two connectors are to be mounted to the terminal pad insert spacers provided in kit between spring washer and compression lug Figures 4a 4b 4c and 4d Connector and Spacer Combinations Figure 4 Catalog Information Catalog Number Compression Connector Kits 1 set of terminals for line or load end of 2 pole MD frame circuit breaker CCM800K2 CCM800K3 1 set of terminals for line or load end of 3 pole...

Страница 11: ...INSTRUCTIONS General The MD6 trip units are available in 500 600 700 and 800 am pere ratings The ND6 trip units are available in 900 1000 and 1200 ampere ratings These devices have adjustable magnetic trip settings The 500 ampere trip units have a magnetic adjustment range from 3000 to 6000 amperes The 600 700 and 800 ampere trip units have a magnetic adjustment range from 4000 to 8000 amperes The...

Страница 12: ...Installation Diagram Figure 2 11 Courtesy of NationalSwitchgear com ...

Страница 13: ...ied to permit blocking of the handle in the ON position Figure 2 Installation of Handle Blocking Device A Turn power off supplying circuit breaker B Turn circuit breaker off C Loosen the two screws 1 10 32 x in so that the blocking device can be positioned and fully seated over the toggle handle as shown in Figure 1 Modification and Use for Blocking the Handle ON The lip of the blocking device 2 F...

Страница 14: ...g slots of the padlocking component 4 over the handle blocking device retaining screws Position the padlocking component at the angle shown in Figure 3 Installation of Handle Blocking Device A Turn power off supplying circuit breaker B Turn circuit breaker off C Loosen the two screws 1 10 32 x in so that the blocking device can be positioned and fully seated over the toggle handle as shown in Figu...

Страница 15: ...er terminal shield screws 6 and re move both line and load side terminal shields 7 Caution Make certain that breaker operating handle is in OFF position before proceeding with the next step Remove pressure wire connectors from breaker if present B Place tulip clip assembly 8 on back of breaker in recess provided in base molding Secure in place with 5 ie in flat washers 9 lockwashers 10 and 5 ie 18...

Страница 16: ...ields 9 0 Breaker Preparation Drilling Switchboard Mounting Plate Figure 4 Figure 1 Breaker Outline iii t 1 75 t 438 Dia 6 Holes 12 53 4v 2 50 Dia Cutout 6 Places r I T l Customer s Mtg Sheet Optional Breaker Mtg Locations Drilling and Cutouts for Adapter Block Figure 2 312 Mounting Hardware By Customer Figure 5 r If Mounting Plate 1 u 2 Mounting Block i j Mounting 3 4 5 Hardware is E _ ss Plug In...

Страница 17: ...unting Plate if used Figure 3 A Place switchboard mounting plate 1 in position at location pre viously prepared in Step 2 above Secure in place with 5 i6 hard ware hardware fur nished by customer Customer s Mtg Sheet Optional 7 861 Application Information 0 41 4 PL Vertical Bus Horizontal Bus Mounting Plate 0 No of Poles t 56 r 03 3 27 Cut Out 2 Places 2 PC5664 PC5665 PL9699 I 3 PC5666 PC5667 PL96...

Страница 18: ...e 4 Final Assembly Figure 5 A Make bus connection to the mounting block studs in accordance with panelboard specifications B Position breaker over the terminal block studs 14 Install each of the four slotted W 1 6 x 1 W long circuit breaker mounting nuts 15 Tighten these nuts uniformly so that the breaker remains parallel with the mounting surface forcing the circuit breaker terminal stabs into th...

Страница 19: ...lternated as required by the installation 1 5 625 1 25 3 0 yfi 3 0 I tVi V V X k v vM iW e 9 9 9 9 9 9 9 9 9 Panel Drilling Plan Figure 1 Connecting Studs Attached To Breaker Mounting Preparation A Turn off and lock out all power supplying circuit breaker before installing B Drill mounting panel as shown in drilling plan Figure 1 This user provided panel must be made from a material acceptable for...

Страница 20: ...e 4 F Replace the breaker terminal shields 1 on the line and load side of the circuit breaker and secure with four breaker terminal shield screws 2 Tighten to 12 in lb G Affix label this device is equipped with rear connecting studs 8 to the front of the circuit breaker Figure 3 H If installation requires use of front panel trim provide cut out for breaker escutcheon Figure 5 Figure 3 Installation...

Страница 21: ...d lockwashers 4 Figure 4 Torque each screw to 72 in lb H Insert the end shields 7 into the slots provided at the line and load ends of the breaker Figure 4 I Replace the breaker terminal shields 1 on the line and load side of the circuit breaker and secure with four breaker terminal shield screws 2 Tighten to 12 in lb Figure 3 J Affix label 8 This device is equipped with rear connecting studs to t...

Страница 22: ...er trip unit into place as shown in Figure 1 The two hooks 6 on the trip unit must fit over pins on frame Breaker handle may be removed to ease assembly F Secure trip unit to frame using customer supplied VA in Allen wrench with long shaft Tighten four 5 ie 18 socket head cap screws 7 to 140 in lb A DANGER H Hazardous Voltage Will cause severe injury or death Turn off and lock out all power supply...

Страница 23: ...length of plunger 11 Figures 2 and 3 for desired application and discard the pair of plungers not used Position support tie bar assembly from top and insert plunger through rectan gular opening in base from bottom of base Tie bar member 12 must fit around tie bar connector Figure 3 It may be necessary to gently tap tie bar member down to achieve snug fit f Figure 3 Position of Link Assembly C Plun...

Страница 24: ...secure by spread ing ends Figure 7 D Add circuit breakers specially prepared to customer s panel for panel mounted or plug in adapters and circuit breakers for plug in applications Refer to installation in struction supplied with plug in adapters Catalog PC5662 or PC5663 Carefully position circuit breaker over 1 00 in diameter hole in panel so as not to damage protruding plunger For panel mounted ...

Страница 25: ...I T E Mechanical interlock MI5404 Figure 7 f f 24 Courtesy of NationalSwitchgear com ...

Страница 26: ...ires while lowering accessory onto base Make sure all the slack is removed from leads inside breaker Accessory is placed in circuit breaker on nosepiece 8 Figure 3 on bottom side of accessory Slide accessory down to rest on positioning ledge 9 Figures 2 and 3 of trip unit When accessory is installed correctly front tab of acces sory 10 Figure 2 will rest in cavity 11 of line cover 12 The inside ed...

Страница 27: ...r Attach internal accessory ID label 16 Figure 4 to top of circuit breaker on right hand side Make sure it is located in the proper space on existing label Attach wiring label 17 on side of circuit breaker cover as shown NOTE This accessory is suitable to use for Ground Fault Protection when combined with Class I Ground Fault Sensing Element equipped with internal clearing switch i i Applying Labe...

Страница 28: ... 0 08 0 60 48 250 0 04 0 57 125 0 84 250 Auxiliary Switch Identification All With Three Leads Bell Alarm Wire Identification All With Three Leads Wire Markings Wire Color SwitchTerminals or Contacts Wire Markings Wire Color Switch Terminalsor Contacts White C1 or C2 C Common Terminal N C Normally Closed Contact Closed when circuit breaker is tripped N O Normally Open Contact Open when circuit brea...

Страница 29: ...uts to 75 in lb Figure 3 Check operation A Close enclosure door Confirm that handle interlocks with the guide cone 17 Figure 4 of the shaft to hold the door closed in all handle postions except OPEN RESET Check proper operation of the circuit breaker ON OFF and RESET To open the enclosure door when the breaker is in the ON position rotate the screw slot 18 on the handle plate 19 counterclockwise T...

Страница 30: ...50 Die Hole In Enclosure Door Cut Away Of Enclosure Door 281 Dia Thru 4 Pis For Rotary Handle Mounting Holes In Enclosure Door 391 Dia Holes in Enclosure Panel 4 Pts 19 Handle Plate 16 V Sealing Washer RHOH4 only 1 4 20 x 1 Square Neck Bolt w Washer 14 Handle r 1 1 Rotary Handle Assembly Figure 3 Breaker Mounting Plan Figure 1 Figure 4 Figure 2 29 Courtesy of NationalSwitchgear com ...

Страница 31: ...ote switching of a circuit breaker within an enclosure The flexible cable is connected directly to the breaker at one end and to a pre assembled switch handle operator at the other end The remote operator handle located on the enclosure flange is used to perform mechanical open close switching operations This is ac complished through the flexible control cable Operation When properly installed the...

Страница 32: ...ion only if F 7 62 Table 2 F Dimensions in inches Enclosure Depth 48 Cable 60 Cable Figure 1 Up Down Up Down 10 8 21 5 17 5 31 5 12 7 5 21 18 32 5 16 6 5 21 19 32 18 6 20 5 18 5 32 20 6 20 16 5 31 5 24 4 19 14 31 30 1 5 15 5 11 28 5 36 6 5 23 5 Table 2 shows the maximum horizontal distance that the breaker can be located from the handle Table 3 shows the maximum vertical distance the breaker can b...

Страница 33: ...sed the door latch mechanism automati cally defeats the interlock F If no door catch is provided with the enclosure attach the door catch bracket and adjustable door catch to the enclo sure door Figure 3 Door Catch Adjustment A Close the enclosure door and move the handle into the ON position If the handle cannot be moved from the ON posi tion adjust the door catch downward in its slot and repeat ...

Страница 34: ...ckwashers Tighten to 75 in lb NOTE Detent in cable retainer 17 must align with groove 18 in metal fitting of cable Figure 6 Figure 5 Tighten Detent Screws C Prior to attaching output end of cable to handle frame con firm that supply power to the circuit breaker has been turned off D Move circuit breaker handle to the ON position E Slide the threaded cable rod 19 through the hole in the sliding pla...

Страница 35: ...pushing the PUSH TO TRIP button C Check that the circuit breaker resets by moving the oper ating handle from ON to OFFandback to ON If the breaker resets tighten the spring adjuster one additional turn At tach lockwashers and 1A 28 nut to the end of the cable rod and tighten to 32 in lb D If the circuit breaker does not reset tighten the spring adjusters one turn and repeat Steps BandC Continuethi...

Страница 36: ...ses no suffix NOTE For automatic reset operation a separate auxiliary contact must be provided by the customer See page 34 for more details Figure 1 Operator Selection For Use With l T E Circuit Breakers and Switch Types Motor Operator Frame MD6 MXD6 HMD6 HMXD6 CMD6 SMD6 SHMD6 SCMD6 ND6 NXD6 HND6 HNXD6 CND6 SND6 SHND6 SCND6 MD6 ETI CMD6 ETI MOMN6120 MOMN6120L MOMN6240 MOMN6240L MD ND installation ...

Страница 37: ... disconnected by an internal limit switch When the circuit breaker trips automatically there is no exter nal indication that the breaker has tripped unless a separate Bell Alarm accessory contact Siemens for appropriate catalog number is provided to energize a customer fur nished warning device After the circuit breaker trips automat ically it is necessary to press the OFF button to move the break...

Страница 38: ... Protection aFuseMust BeUsed 0 o A I OFP O ON ilms f 7 For Trip Indication Use Circuit Breaker with Internal Beil Alarm Switch Indicating Lights For Automatic Reset and ON OFF Lights Use Circuit Breaker with Internal Auxiliary Switch Pushbutton Control Station Note When using automatic reset the ON pushbutton must be SPOT type and wired as shown All switch contacts shown with circuit breaker in th...

Страница 39: ...I T E Panelboard Connecting Straps The straps are not used in series 6 or 7 panelboards 38 Courtesy of NationalSwitchgear com ...

Страница 40: ... as service entrance equipment 22 5 10 7 t 26 8 1 12 11 7 24 25 t ill fi y f i t it it It p 56 0 ilr 60 2 57 5 61 2 If f faCf H If f SFf ffsr v 2 09 18 25 2 12 18 25 Type 12 MND612 A special industry sheet steel enclosure for indoor use in atmosphere containing particles of lint dust dirt sawdust and other foreign matter 37 38 3 0 44Diameter 2 0 10 0 r T 5 T i t P i 34 13 i f 9 7 J i V 60 0 i Si P...

Страница 41: ...ice versa whenever those words appear Adjusting the Mechanism If using in conjunction with the FHOH or FHOH4 Handle Operator perform the following steps A With the door in the open unlatched position close the door but do not turn the door handle The lockout plate should latch the door partially closed B Turn the handle clockwise to stop This will engage the rollers against the enclosure flange se...

Страница 42: ...Installation Diagrams V 5 41 Courtesy of NationalSwitchgear com ...

Страница 43: ...25KA 3 P s Maximum 65KA 50 KA 25 KA 30 KA 2 P MD6 hi 100 100 HMXD6 HMD6 IS 90 90 30 KA 2 P 50KA 3 P 100 KA 65 KA 50 KA 80 80 Minimum 70 70 50 KA 3 P 65 KA 30 KA 2 P CMD6 200 KA 100 KA s 60 60 Single pole test data at 25 C Sample instantaneous shown for 800A breakers only For other instantaneous trip values see table Instantaneous trip values _ shown in table are nominal values When all poles wired...

Страница 44: ...P 5 HND6 HNXD6 100 000 65 000 50 000 30 000 2 P 50 000 3 P 200 200 CND6 200 000 100 000 65 000 30 000 2 P 50 000 3 P j Maximum Single pole tes1data at 25 C based on method in NEMA Procedures for Venfying Performance of Molded Case Circuit Breakers Sample instantaneous shown for 1200 A breakers only For other trip values see table Instantaneous trip values shown in table are nominal values 100 100 ...

Страница 45: ...44 Courtesy of NationalSwitchgear com ...

Страница 46: ...30 30 20 20 O X 10 10 9 9 a a 8 8 a 7 E 7 6 6 a 5 5 c 0 4 4 o 3 3 3 C a 2 2 TJ a a 1 1 9 9 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 30 40 50 60 70 80 90 100 4 5 6 7 8 9 10 200 300 2 3 20 1 Available Short Circuit Current RMS Symmetrical Amperes x 103 TD 7108 A CMD6 TD 7109 A CND6 45 Courtesy of NationalSwitchgear com ...

Страница 47: ...30 25 Molded Case Switch 800 MXD62S800A MXD63S800A N A N A N A N A N A Shipping 61 5 lb 53 lb ND6 Interchangeable Trip Unassembled 2 Pole Trip Unit UL Interrupting Ratings kA RMS Symmetrical Amperes Complete Breaker Unenclosed Frame Only Instantaneous Trip Range Only Ampere Rating Catalog Number Catalog Number Catalog Number 240V AC 480V AC 600V AC Min Max 250V DC 500V DC 800 8000 ND62B800 ND62B90...

Страница 48: ...ly through combination tests with properly sized overload relays and contactors 800 4000 N A N A 8000 5000 10000 Shipping 61 5 lb HMD6 Interchangeable Trip Unassembled 2 Pole 500 3000 6000 HMD62B500 HMD62B600 HMD62B700 HMD62B800 HMD62F800 HMD62F800 HMD62F800 HMD62F800 MD62T500 MD62T600 MD62T700 MD62T800 100 65 50 30 N A 600 4000 8000 100 65 50 30 N A 700 4000 8000 100 65 50 30 N A 800 4000 8000 10...

Страница 49: ...ND63T100 ND63T120 100 65 50 N A 50 900 5000 10000 10000 10000 100 65 50 N A 50 1000 5000 100 65 N A 50 50 1200 5000 100 65 50 N A 50 Shipping 61 5 lb 46 lb 6 5 lb HNXD6 Non lnterchangeable Trip Assembled 2 Pole 3 Pole UL Interrupting Ratings kA RMS Symmetrical Amperes 2 Pole Complete Assembled Breaker 3 Pole Complete Assembled Breaker Instantaneous Trip Range Ampere Rating D Catalog Number Catalog...

Страница 50: ...0 10000 10000 CND63B900 CND63B100 CND63B120 200 100 N A 65 Non lnterchangeable 5000 5000 1000 200 100 N A 65 Trip 1200 200 100 65 N A Molded Case Switch CND63S120A 1200 200 100 N A 65 SHIPPING 61 51b CMD6 Instantaneous Only Trip 2 Pole CMD62L800 CMD62A800 CMD62H800 3000 4000 5000 6000 Interruption ratings are established only through combination tests properly sized overload relays and contactors ...

Страница 51: ...U01MN64AA U02MN64AA U03MN64AA U15MN64AA U04MN64AA 208 240 277 480 600 U07MN6 U09MN6 U11MN6 U13MN6 24 U07MN64A U09MN64A U11MN64A U13MN64A U07MN64AA U09MN64AA U14MN64AA U13MN64AA 48 125 250 Auxiliary Switch Combinations Maximum Control Voltage 1 Auxiliary Switch 2 Auxiliary Switches DC Catalog Number AC Catalog Number A01MN64 480 A02MN64 A01MN64 A02MN64 250 Alarm Switch Combinations Maximum Control ...

Страница 52: ... MND63 MND612 Padlocking Device MN6HPL Rear Connecting Straps Studs Short Length Long Length RS5785 RS5786 Door Latch Mechanism Left Side Right Side DKL2 DKL3 DKR2 DKR3 Plug In Adapters MD 2 Required per Breaker Line Side 2 Pole Load Side 2 Pole Line Side 3 Pole Load Side 3 Pole Time Current Curves MD6 MXD6 HMD6 HMXD6 CMD6 ND6 NXD6 HND6 HNXD6 CND6 PC5662 PC5662 PC5663 PC5663 TD 7108 TD 7109 Plug I...

Страница 53: ...or continuous operation at 100 of rating only if used in an enclosure or cubicle space 40 2 x 22 5 x 10 7 in The MD Frame 100 percent rated breaker types MD6 HMD6 andCMD6 are marked on the breaker label as follows The ND Frame 100 percent rated breaker types ND6 HND6 andCND6 are marked on the breaker label as follows Wire Connectors Catalog Number TA4P500 CCM800 Wire Connectors Catalog Number TA4P...

Страница 54: ...LR13077 PC NO 79972 PC NO 79976 Cat No NXD63B100 Cat No HNXD63B120 Amps Volts Max 600 AC Amps Volts Max 600 AC 1000 1200 Type Poles Cal Base Type Poles Cal Base 40 C NXD6 3 HNXD6 3 40 C Current Interrupting Ratings Maximum RMS Symmetrical Amps 65 000 A 240 AC 50 000 A 480 AC 25 000 A 600 AC Current Interrupting Ratings Maximum RMS Symmetrical Amps 100 000 A 240 AC 65 000 A 480 AC 50 000 A 600 AC V...

Страница 55: ... Office Power Distribution Controls Division 1 800 964 4114 or 800 241 4453 3333 Old Milton Parkway www sea siemens com For Product Information Alpharetta GA 30005 sales salesoffices html www sea siemens com power Courtesy of NationalSwitchgear com ...

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