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 Mechanism Washer for Electric Charge Models- P/N: 71-141-170-003

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Mechanism Washer for Electric Charge Models- P/N: 71-141-170-003

Allis Chalmers

 71-141-170-003 Allis-Chalmers Breaker Mechanism Washer for Electric Charge ModelsType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp...

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Allis-Chalmers LA-600A/LA-800A Breaker Grommet - P/N: 00-837-659-321

Allis-Chalmers LA-600A/LA-800A Breaker Grommet - P/N: 00-837-659-321

Allis Chalmers

00-837-659-321 Allis-Chalmers Breaker GrommetType: 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 Bearing - P/N: 15-171-399-001

Allis-Chalmers LA-600A/LA-800A Breaker Bearing - P/N: 15-171-399-001

Allis Chalmers

00-671-195-049 Allis-Chalmers Breaker Mechanism Bearing Electric Charge ModelsType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp Max...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Mechanism Bearing for Electric Charge Models- P/N: 18-657-768-031

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Mechanism Bearing for Electric Charge Models- P/N: 18-657-768-031

Allis Chalmers

00-671-195-049 Allis-Chalmers Breaker Mechanism Bearing Electric Charge ModelsType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp Max...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Mechanism Cotter Pin- P/N: 00-671-195-049

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Mechanism Cotter Pin- P/N: 00-671-195-049

Allis Chalmers

00-671-195-049 Allis-Chalmers Mechanism Cotter PinType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-8...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Trip Bar- P/N: 18-728-500-037

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Trip Bar- P/N: 18-728-500-037

Allis Chalmers

18-728-500-037 Allis-Chalmers Breaker Trip BarType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-800A ...

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Allis-Chalmers LA-600A Trip Latch- P/N: 18-657-768-017

Allis-Chalmers LA-600A Trip Latch- P/N: 18-657-768-017

Allis Chalmers

18-657-768-017 Allis-Chalmers Breaker Mechanism Trip Latch LA-600A OnlyType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Mechanism Latch - P/N: 71-142-070-001

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Mechanism Latch - P/N: 71-142-070-001

Allis Chalmers

71-142-070-001 Allis-Chalmers Breaker Mechanism LatchType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: L...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Mechanism Cam- P/N: 18-724-492-001

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Mechanism Cam- P/N: 18-724-492-001

Allis Chalmers

18-724-493-001 Allis-Chalmers Breaker Mechanism CamType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Mechanism Cam- P/N: 18-724-493-001

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Mechanism Cam- P/N: 18-724-493-001

Allis Chalmers

18-724-493-001 Allis-Chalmers Breaker Mechanism CamType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Link- P/N: 71-142-071-001

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Link- P/N: 71-142-071-001

Allis Chalmers

71-142-071-001 Allis-Chalmers Breaker LinkType: 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/LA-1600A Breaker Link- P/N: 18-657-768-025

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Link- P/N: 18-657-768-025

Allis Chalmers

18-657-768-025 Allis-Chalmers Breaker LinkType: 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 Bumper - P/N: 71-142-102-001

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Bumper - P/N: 71-142-102-001

Allis Chalmers

71-142-102-001 Allis-Chalmers Breaker BumperType: 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/LA-1600A Breaker Reset Arm - P/N: 18-657-663-575

Allis-Chalmers LA-600A/LA-800A/LA-1600A Breaker Reset Arm - P/N: 18-657-663-575

Allis Chalmers

18-657-663-575 Allis-Chalmers Breaker Reset ArmType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-800...

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Square D SJD25VW430 AC Contactor - 360 Amps/5000v

Square D SJD25VW430 AC Contactor - 360 Amps/5000v

Square D

SJD25VW430 Square D AC ContactorModel C Type: SJD25VW430Catalog #: DMAN3FN4A1-T1P1360 Amps3 PhaseMax Insulated Volts: 5000vControl VA: Inrush:1300...

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Square D Power Zone III / DS Switchgear 1600 Amps/ 480/277V

Square D Power Zone III / DS Switchgear 1600 Amps/ 480/277V

Square D

Power Zone III / DS Square D SwitchgearModel: Power Zone III / DS1600 Amps480/277 Volts(1)Instrument Transformers, Inc. Type: 460Catalog#: 460-288P...

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Eaton AR5HA1NL6R-00LO Enclosed Circuit Breaker, NGH308038E - 800A/480V/N3R - Unused

Eaton AR5HA1NL6R-00LO Enclosed Circuit Breaker, NGH308038E - 800A/480V/N3R - Unused

Eaton

AR5HA1NL6R-00LO Eaton ARMS Enclosed Circuit BreakerUnused Surplus in Original BoxCat#: AR5HA1NL6R-00LONEMA 3R Enclosure800 AmpInterrupting Rating...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Mounting Kit for 20 Point Secondary Disconnect Group - P/N: 00-615-015-375

Allis-Chalmers LA-600A/LA-800A/LA-1600A Mounting Kit for 20 Point Secondary Disconnect Group - P/N: 00-615-015-375

Allis Chalmers

00-615-015-375 Allis-Chalmers Mounting Kit for 20 Point Secondary Disconnect GroupType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Am...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Bracket for 20 Point Secondary Disconnect Group - P/N: 71-142-125-001

Allis-Chalmers LA-600A/LA-800A/LA-1600A Bracket for 20 Point Secondary Disconnect Group - P/N: 71-142-125-001

Allis Chalmers

71-142-125-001 Allis-Chalmers Bracket for 20 Point Secondary Disconnect GroupType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp Max...

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Allis-Chalmers LA-600A/LA-800A Charge Spring - P/N: 71-141-836-001

Allis-Chalmers LA-600A/LA-800A Charge Spring - P/N: 71-141-836-001

Allis Chalmers

71-141-836-001 Allis-Chalmers Charge Spring Type: 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 Return/Closing Spring - P/N:71-141-813-001

Allis-Chalmers LA-600A/LA-800A Return/Closing Spring - P/N:71-141-813-001

Allis Chalmers

71-141-813-001 Allis-Chalmers Return/Closing Spring Type: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: L...

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Allis-Chalmers LA-600A/LA-800A Breaker Base - P/N: 71-440-117-001

Allis-Chalmers LA-600A/LA-800A Breaker Base - P/N: 71-440-117-001

Allis Chalmers

71-440-117-001 Allis-Chalmers Breaker BaseType: 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/LA-1600A Tripping Actuator - P/N: 18-387-921-503

Allis-Chalmers LA-600A/LA-800A/LA-1600A Tripping Actuator - P/N: 18-387-921-503

Allis Chalmers

18-387-921-503 Allis-Chalmers Tripping ActuatorType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-800...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Shield & Bracket for Tripping Actuator - P/N: 18-657-784-013

Allis-Chalmers LA-600A/LA-800A/LA-1600A Shield & Bracket for Tripping Actuator - P/N: 18-657-784-013

Allis Chalmers

18-657-784-013 Allis-Chalmers Shield & Bracket for Tripping ActuatorType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltag...

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Allis-Chalmers LA-600A/LA-800A Breaker Plate - P/N: 18-657-765-216

Allis-Chalmers LA-600A/LA-800A Breaker Plate - P/N: 18-657-765-216

Allis Chalmers

18-657-803-018 Allis-Chalmers Breaker PlateType: 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 Guide, Nut, & Screw - P/N: 18-657-803-018

Allis-Chalmers LA-600A/LA-800A Breaker Guide, Nut, & Screw - P/N: 18-657-803-018

Allis Chalmers

18-657-803-018 Allis-Chalmers Breaker Guide, Nut, & ScrewType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC ...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Screw for Secondary Disconnect Group - P/N: 00-615-663-373

Allis-Chalmers LA-600A/LA-800A/LA-1600A Screw for Secondary Disconnect Group - P/N: 00-615-663-373

Allis Chalmers

00-615-663-373 Allis-Chalmers Screw for Secondary Disconnect GroupType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 60...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Bracket for Secondary Disconnect Group - P/N: 18-657-781-276

Allis-Chalmers LA-600A/LA-800A/LA-1600A Bracket for Secondary Disconnect Group - P/N: 18-657-781-276

Allis Chalmers

18-657-781-276 Allis-Chalmers Bracket for Secondary Disconnect GroupType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 6...

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Allis-Chalmers LA-600A/LA-800A Breaker Bracket - P/N: 118-657-781-267

Allis-Chalmers LA-600A/LA-800A Breaker Bracket - P/N: 118-657-781-267

Allis Chalmers

118-657-781-267 Allis-Chalmers Breaker BracketType: 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/LA-1600A Mechanism Lever - P/N: 18-724-494-001

Allis-Chalmers LA-600A/LA-800A/LA-1600A Mechanism Lever - P/N: 18-724-494-001

Allis Chalmers

18-724-494-001 Allis-Chalmers Mechanism LeverType: 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/LA-1600A Mechanism Lever - P/N: 18-657-768-020

Allis-Chalmers LA-600A/LA-800A/LA-1600A Mechanism Lever - P/N: 18-657-768-020

Allis Chalmers

18-724-508-001  Allis-Chalmers Mechanism LeverType: 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/LA-1600A Mechanism Spring Interlock - P/N: 18-724-509-001

Allis-Chalmers LA-600A/LA-800A/LA-1600A Mechanism Spring Interlock - P/N: 18-724-509-001

Allis Chalmers

18-724-508-001  Allis-Chalmers Mechanism Spring InterlockType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Mode...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Mechanism Brace Electric Charge Models - P/N: 18-724-508-001

Allis-Chalmers LA-600A/LA-800A/LA-1600A Mechanism Brace Electric Charge Models - P/N: 18-724-508-001

Allis Chalmers

18-724-508-001 Allis-Chalmers Mechanism Brace Electric Charge ModelsType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 6...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Mechanism Switch Lever Electric Charge Models - P/N: 18-657-768-032

Allis-Chalmers LA-600A/LA-800A/LA-1600A Mechanism Switch Lever Electric Charge Models - P/N: 18-657-768-032

Allis Chalmers

18-657-768-032 Allis-Chalmers Mechanism Switch Lever Electric Charge ModelsType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVol...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Mechanism Switch Lever Electric Charge Models - P/N: 18-657-768-037

Allis-Chalmers LA-600A/LA-800A/LA-1600A Mechanism Switch Lever Electric Charge Models - P/N: 18-657-768-037

Allis Chalmers

18-657-768-037 Allis-Chalmers Mechanism Switch Lever Electric Charge ModelsType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVol...

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Allis-Chalmers LA-600A/LA-800A/LA-1600A Mechanism Guide Link - P/N: 18-657-768-024

Allis-Chalmers LA-600A/LA-800A/LA-1600A Mechanism Guide Link - P/N: 18-657-768-024

Allis Chalmers

18-657-768-024 Allis-Chalmers Mechanism Guide LinkType: Power Circuit Breaker Parts Model: LA-600A Ampacity: 600Amp MaxVoltage: 600 VAC Model: LA-8...

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