Circuit Breaker Parts

NAS, Inc. stocks parts for ALL types of circuit breakers.  If you do not see what you need online call us at 800-909-3660 or e-mail: sales@naswgr.com and one of our knowledgeable sales representatives will quickly help you with a quotation. 

Product lines include:
General Electric AK, AKR, AM and AMH (Magneblast) Circuit Breakers 
Westinghouse DB, DS, DH, DHP, VCP and VCP-W Circuit Breakers
ABB / ITE / BBC K-Line, LK, HK and HV Circuit breakers
Allis Chalmers LA, RL, AM, MA, FC, FB and FA Circuit Breakers

 

Westinghouse DB Circuit Breaker Parts

Westinghouse DS Circuit Breaker Parts

Westinghouse DHP Circuit Breaker Parts

Westinghouse DH Circuit Breaker Parts

General Electric Magneblast Circuit Breaker Parts

General Electric AK Circuit Breaker Parts

General Electric AKR Circuit Breaker Parts

General Electric VB1 PowerVac Circuit Breaker Parts

General Electric VB PowerVac Circuit Breaker Parts

Siemens MA Circuit Breaker Parts

Siemens FB-500 Circuit Breaker Parts

Siemens FC Circuit Breaker Parts

Siemens RL Circuit Breaker Parts

Allis Chalmers LA Circuit Breaker Parts

Allis Chalmers MC-500 Circuit Breaker Parts

ITE K-Line Circuit Breaker Parts

ITE KD Circuit Breaker Parts

ITE KC Circuit Breaker Parts

ITE KB Circuit Breaker Parts

ITE 5HV150 Circuit Breaker Parts

ITE 5HV250 Circuit Breaker Parts

 

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Shunt Trip Group Bracket - P/N: 18-657-781-264

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Shunt Trip Group Bracket - P/N: 18-657-781-264

Allis Chalmers

18-724-513-002 Allis-Chalmers Breaker Shunt Trip Group Solenoid 240 VAC & 125 VDCType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600...

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Allis-Chalmers LA-600A/LA-800A Breaker Spacer- P/N: 71-141-822-002

Allis-Chalmers LA-600A/LA-800A Breaker Spacer- P/N: 71-141-822-002

Allis Chalmers

71-141-822-002 Allis-Chalmers Breaker SpacerType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-800A Am...

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Allis-Chalmers LA-600A/LA-800A Breaker Washer- P/N: 00-651-017-286

Allis-Chalmers LA-600A/LA-800A Breaker Washer- P/N: 00-651-017-286

Allis Chalmers

00-651-017-286 Allis-Chalmers Breaker WasherType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-800A Am...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Secondary Disconnect Screw- P/N: 15-171-399-025

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Secondary Disconnect Screw- P/N: 15-171-399-025

Allis Chalmers

15-171-399-025 Allis-Chalmers Breaker Secondary Disconnect ScrewType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 V...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Secondary Disconnect Screw- P/N: 00-615-485-225

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Secondary Disconnect Screw- P/N: 00-615-485-225

Allis Chalmers

00-615-485-225 Allis-Chalmers Breaker Secondary Disconnect ScrewType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 V...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Secondary Disconnect Group Block - P/N: 71-240-535-001

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Secondary Disconnect Group Block - P/N: 71-240-535-001

Allis Chalmers

71-340-297-001 Allis-Chalmers Breaker Secondary Disconnect Group BlockType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage:...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Motor Group Motor 120 V.A.C. and 125 V.D.C. - P/N: 71-340-297-001

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Motor Group Motor 120 V.A.C. and 125 V.D.C. - P/N: 71-340-297-001

Allis Chalmers

71-340-297-001 Allis-Chalmers Breaker Motor Group Motor 120 V.A.C. and 125 V.D.C.Type: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp ...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Shunt Trip Group Hardware - P/N: 18-657-781-264

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Shunt Trip Group Hardware - P/N: 18-657-781-264

Allis Chalmers

18-657-781-264 Allis-Chalmers Breaker Shunt Trip Group HardwareType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VA...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Shunt Trip Group Solenoid 240 VAC & 125 VDC - P/N: 18-724-513-002

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Shunt Trip Group Solenoid 240 VAC & 125 VDC - P/N: 18-724-513-002

Allis Chalmers

18-724-513-002 Allis-Chalmers Breaker Shunt Trip Group Solenoid 240 VAC & 125 VDCType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Close Solenoid Group Solenoid 240 VAC & 125 VDC - P/N: 18-724-513-002

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Close Solenoid Group Solenoid 240 VAC & 125 VDC - P/N: 18-724-513-002

Allis Chalmers

18-724-513-002 Allis-Chalmers Breaker Close Solenoid Group Solenoid 240 VAC & 125 VDC Manufacturer: Guardian ElectricModel: A420-065150-02/ 18-...

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Allis-Chalmers LA-600A Breaker Tripping Current Transformer Group Wire Splice - P/N: 15-171-071-009

Allis-Chalmers LA-600A Breaker Tripping Current Transformer Group Wire Splice - P/N: 15-171-071-009

Allis Chalmers

15-171-071-009 Allis-Chalmers Breaker Tripping Current Transformer Group Wire SpliceType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600A...

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Allis-Chalmers LA-600A Breaker Tripping Current Transformer Group Current Transformer 200/1- P/N: 61-300-030-507

Allis-Chalmers LA-600A Breaker Tripping Current Transformer Group Current Transformer 200/1- P/N: 61-300-030-507

Allis Chalmers

61-300-030-507 Allis-Chalmers Breaker Tripping Current Transformer Group Current Transformer 200/1 Ratio: 200:1 Type: Power Circuit Breaker Parts M...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker ANTI-PUMP "Y" RELAY Group Relay "Y" 125VDC - P/N: 15-171-399-016

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker ANTI-PUMP "Y" RELAY Group Relay "Y" 125VDC - P/N: 15-171-399-016

Allis Chalmers

15-171-399-016 Allis-Chalmers Breaker ANTI-PUMP "Y" RELAY Group Relay "Y" 125VDCType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp M...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Static Trip Group Capacitor - P/N: 15-171-029-013

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Static Trip Group Capacitor - P/N: 15-171-029-013

Allis Chalmers

15-171-029-013 Allis-Chalmers Breaker Static Trip Group Capacitor Type: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Static Trip Group Terminal Block - P/N: 15-171-051-005

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Static Trip Group Terminal Block - P/N: 15-171-051-005

Allis Chalmers

15-171-051-005 Allis-Chalmers Breaker Static Trip Group Terminal BlockType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage:...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Static Trip Group Type TI Static Trip - P/N: 18-468-194-501

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Static Trip Group Type TI Static Trip - P/N: 18-468-194-501

Allis Chalmers

18-468-194-501 Allis-Chalmers Breaker Static Trip Group Type TI Static TripType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVol...

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Allis-Chalmers LA-600A/LA-800A Breaker Clip - P/N: 18-721-493-001

Allis-Chalmers LA-600A/LA-800A Breaker Clip - P/N: 18-721-493-001

Allis Chalmers

18-721-493-001 Allis-Chalmers Breaker Clip Type: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-800A Amp...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Static Trip Group Bracket - P/N: 18-388-433-001

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Static Trip Group Bracket - P/N: 18-388-433-001

Allis Chalmers

18-388-433-001 Allis-Chalmers Breaker Static Trip Group BracketType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VA...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Auxiliary Switch Group Type Q-11 Auxiliary Switch - P/N: 71-240-524-001

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Auxiliary Switch Group Type Q-11 Auxiliary Switch - P/N: 71-240-524-001

Allis Chalmers

71-240-524-001 Allis-Chalmers Breaker Auxiliary Switch Group Type Q-11 Auxiliary SwitchType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 6...

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Allis-Chalmers LA-600A/LA-800A Breaker Support 8/07 for Tripping CT Group - P/N: 71-141-916-001

Allis-Chalmers LA-600A/LA-800A Breaker Support 8/07 for Tripping CT Group - P/N: 71-141-916-001

Allis Chalmers

71-141-916-001 Allis-Chalmers Breaker Support 8/07 for Tripping CT GroupType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltag...

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Allis-Chalmers LA-600A Breaker CT Washer for Tripping CT Group - P/N: 71-141-915-001

Allis-Chalmers LA-600A Breaker CT Washer for Tripping CT Group - P/N: 71-141-915-001

Allis Chalmers

71-141-915-001 Allis-Chalmers Breaker CT WasherType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC CT Washer Only...

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Allis-Chalmers LA-600A/LA-800A Breaker Barrier- P/N: 18-657-784-012

Allis-Chalmers LA-600A/LA-800A Breaker Barrier- P/N: 18-657-784-012

Allis Chalmers

18-657-784-012 Allis-Chalmers Breaker BarrierType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-800A A...

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Allis-Chalmers LA-600A Breaker Barrier - P/N: 18-657-784-015

Allis-Chalmers LA-600A Breaker Barrier - P/N: 18-657-784-015

Allis Chalmers

18-657-784-015 Allis-Chalmers Breaker BarrierType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Barrier OnlyP/N:...

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Allis-Chalmers LA-600A/LA-800A Breaker Strap- P/N: 71-141-841-001

Allis-Chalmers LA-600A/LA-800A Breaker Strap- P/N: 71-141-841-001

Allis Chalmers

71-141-841-001 Allis-Chalmers Breaker StrapType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-800A Amp...

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Allis-Chalmers LA-600A/LA-800A Breaker Stop- P/N: 18-657-781-281

Allis-Chalmers LA-600A/LA-800A Breaker Stop- P/N: 18-657-781-281

Allis Chalmers

18-657-781-281 Allis-Chalmers Breaker StopType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-800A Ampa...

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Allis-Chalmers LA-600A/LA-800A Breaker Barrier- P/N: 18-657-804-066

Allis-Chalmers LA-600A/LA-800A Breaker Barrier- P/N: 18-657-804-066

Allis Chalmers

18-657-804-066 Allis-Chalmers Breaker BarrierType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-800A A...

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Allis-Chalmers LA-600A/LA-800A Breaker Weldnut- P/N: 15-171-399-012

Allis-Chalmers LA-600A/LA-800A Breaker Weldnut- P/N: 15-171-399-012

Allis Chalmers

15-171-399-012 Allis-Chalmers Breaker WeldnutType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-800A A...

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Allis-Chalmers LA-600A/LA-800A Breaker Weldnut- P/N: 15-171-399-012

Allis-Chalmers LA-600A/LA-800A Breaker Weldnut- P/N: 15-171-399-012

Allis Chalmers

15-171-399-012 Allis-Chalmers Breaker WeldnutType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-800A A...

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Allis-Chalmers LA-600A/LA-800A Breaker X Washers- P/N: 00-659-055-187

Allis-Chalmers LA-600A/LA-800A Breaker X Washers- P/N: 00-659-055-187

Allis Chalmers

00-659-055-187 Allis-Chalmers Breaker X WasherType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-800A ...

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Allis-Chalmers LA-600A/LA-800A Breaker Screw - P/N: 00-615-124-218

Allis-Chalmers LA-600A/LA-800A Breaker Screw - P/N: 00-615-124-218

Allis Chalmers

00-615-124-218 Allis-Chalmers Breaker ScrewType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-800A Amp...

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Allis-Chalmers LA-600A/LA-800A Breaker Washer- P/N: 18-657-768-374

Allis-Chalmers LA-600A/LA-800A Breaker Washer- P/N: 18-657-768-374

Allis Chalmers

18-657-768-374 Allis-Chalmers Breaker WasherType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-800A Am...

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Allis-Chalmers LA-600A/LA-800A Breaker Screw - P/N: 00-615-114-386

Allis-Chalmers LA-600A/LA-800A Breaker Screw - P/N: 00-615-114-386

Allis Chalmers

00-615-114-386 Allis-Chalmers Breaker ScrewType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-800A Amp...

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Allis-Chalmers LA-600A/LA-800A Breaker Screw - P/N: 00-615-114-380

Allis-Chalmers LA-600A/LA-800A Breaker Screw - P/N: 00-615-114-380

Allis Chalmers

00-615-114-380 Allis-Chalmers Breaker ScrewType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-800A Amp...

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Allis-Chalmers LA-600A/LA-800A Breaker Screw - P/N: 00-615-114-377

Allis-Chalmers LA-600A/LA-800A Breaker Screw - P/N: 00-615-114-377

Allis Chalmers

00-615-114-377 Allis-Chalmers Breaker ScrewType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-800A Amp...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Motor Group Switch (A.C. & D.C.)- P/N: 15-171-186-010

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Motor Group Switch (A.C. & D.C.)- P/N: 15-171-186-010

Allis Chalmers

15-171-186-010 Allis-Chalmers Breaker Motor Group Switch (A.C. & D.C.)Type: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVolt...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Motor Group Switch (D.C.)- P/N: 15-171-323-003

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Motor Group Switch (D.C.)- P/N: 15-171-323-003

Allis Chalmers

15-171-323-003 Allis-Chalmers Breaker Motor Group Switch (D.C.)Type: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VA...

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