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Electrical & Power > Circuit Breakers > Circuit Breakers - Parts, Accessories and Trip Units

Circuit Breakers - Parts, Accessories and Trip Units

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Pwl 240 Volts AC Capacitor Trip Coil Assembly 3 Cycle For Powlvac

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Powell Electric Product Family POWLVAC For Equipment Type PV Type of Device TRIP Control Voltage 240VAC Shipping Width 6 in Shipping Height 6 in Shipping Depth 6 in Shipping Weight 5 lb.

Basler Be3-27 Under Voltage Relay 240 Volts AC

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Basler Product Family BE3 Protective Relay Function UNDER VOLTAGE Protective Relay Model BE3-27 Shipping Width 6 in Shipping Height 6 in Shipping Depth 6 in Shipping Weight 2 lb.

Square D 125 Volts DC / 250 Volts DC / 240 Volts AC Close / Trip Coil Unused Surplus For Vr Vad-5

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Square D Product Family VR For Equipment Type VAD-5 Type of Coil CLOSE Type of Coil TRIP Control Voltage 125VDC Control Voltage 240VAC Control Voltage 250VDC Shipping Width 8 in Shipping Height 8 in Shipping Depth 8 in Shipping Weight 3 lb.

Square D 120 Volts AC Charge Motor Assembly For Masterpact Mtz2 / Mtz3

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Square D Product Family MASTERPACT For Equipment Type MTZ2 For Equipment Type MTZ3 Motor Type CHARGE Motor Voltage 120VAC Shipping Width 12 in Shipping Height 12 in Shipping Depth 12 in Shipping Weight 8 lb.

Urc AC Pro 1 Amps Solid State Programmer Lsig Horizontal Mount, 9 Volt Lithium Battery, Communications

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Utility Relay Product Family AC PRO Type AC PRO Functions LONG TIME, SHORT TIME, INSTANTANEOUS, GROUND FAULT Targets Yes Shipping Width 10 in Shipping Height 10 in Shipping Depth 10 in Shipping Weight 3 lb.

Get email updates for newly added Circuit Breakers - Parts, Accessories and Trip Units

Circuit Breakers - Parts, Accessories, and Trip Units enhance circuit breaker functionality and reliability in electrical systems. Commonly used in industrial, commercial, and utility applications, these components provide customizable protection, enable remote control, and ensure efficient system monitoring and control.

GE Multilin 745 Transformer Protection Relay New 40-60 Volts DC 20-48 Volts AC Control, Harsh Environment

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Electric Product Family MULTILIN Protective Relay Function TRANSFORMER Protective Relay Model 745 Shipping Width 15 in Shipping Height 15 in Shipping Depth 12 in Shipping Weight 15 lb.

Urc AC Pro Solid State Retrofit Kit New

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Utility relay Product Family AC PRO For Equipment Type RL-800 Shipping Width 18 in Shipping Height 18 in Shipping Depth 18 in Shipping Weight 25 lb.

Urc AC Pro Solid State Retrofit Kit New For Mp With Str58u

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Utility relay Product Family AC PRO For Equipment Type MP Shipping Width 12 in Shipping Height 12 in Shipping Depth 12 in Shipping Weight 15 lb.

400-800 Amps Urc AC Pro Multi Ratio Split Core Current Transformer New For Neutral

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Utility Relay Co Product Family AC PRO Type of Programmer CT NEUTRAL For Programmer Type AC PRO Primary Amperage Rating 400A-800A Shipping Width 10 in Shipping Height 10 in Shipping Depth 10 in Shipping Weight 5 lb.

Urc AC Pro Solid State Actuator For La / Rl

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Utility Relay Product Family AC PRO For Equipment Type DB-25 For Equipment Type LA For Equipment Type RL For Programmer Type AC PRO Shipping Width 6 in Shipping Height 6 in Shipping Depth 6 in Shipping Weight 1 lb.

Urc AC Pro Ii Solid State Retrofit Kit New For Square D Pe / Px 2500, Oem Actuator

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Utility relay Product Family AC PRO II For Equipment Type PE For Equipment Type PX Shipping Width 12 in Shipping Height 12 in Shipping Depth 12 in Shipping Weight 25 lb.

GE Multilin 745 Transformer Protection Relay New 40-60 Volts DC 20-48 Volts AC

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Electric Product Family MULTILIN Protective Relay Function TRANSFORMER Protective Relay Model 745 Shipping Width 15 in Shipping Height 15 in Shipping Depth 12 in Shipping Weight 15 lb.

800-1600 Amps Urc AC Pro Multi Ratio Current Transformer For Sa La Retrofit Kit

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Utility Relay Co Product Family AC PRO Type of Programmer CT MULTI RATIO For Programmer Type AC PRO Primary Amperage Rating 800A-1600A Shipping Width 8 in Shipping Height 8 in Shipping Depth 8 in Shipping Weight 2 lb.

2500/1250-1 Amps Urc AC Pro Ii Split Core Neutral Current Transformer New For 2500 Amps WH Seltronic Pcg

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Utility Relay Co Product Family AC PRO Type of Programmer CT NEUTRAL For Programmer Type AC PRO II For Breaker Type PCG Primary Amperage Rating 2500A Shipping Width 10 in Shipping Height 10 in Shipping Depth 10 in Shipping Weight 65 lb.

Ebm-papst 230 Volts AC Centrifugal Fan New Forward Curved, Dual Intake With Housing (without Flange)

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Miscellaneous Other Manufacturers Product Family D2E160 For Equipment Type MCP Type FAN Control Voltage 230VAC.

Itc Csf 30 Minute Timer 120 Volts AC

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Miscellaneous Other Manufacturers Product Family CSF For Equipment Type SWITCHGEAR MCP Type TIMING RELAY Control Voltage 120VAC RESISTANCE Shipping Width 6 in Shipping Height 6 in Shipping Depth 6 in Shipping Weight 3 lb.

Square D 440-480 Volts AC Magnetic Operating Coil For Size 5 Motor Starter

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Square D Product Family CONTACTOR For Equipment Type CONTACTOR Type of Coil CLOSE Control Voltage 480VAC Shipping Width 8 in Shipping Height 8 in Shipping Depth 8 in Shipping Weight 5 lb.

GE Multilin 750 Feeder Management Relay 120 Volts AC

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Electric Product Family MULTILIN Protective Relay Function FEEDER Protective Relay Model 750 Shipping Width 15 in Shipping Height 15 in Shipping Depth 12 in Shipping Weight 10 lb.

GE Multilin 750 Feeder Management Relay 120 Volts AC

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Electric Product Family MULTILIN Protective Relay Function FEEDER Protective Relay Model 750 Shipping Width 15 in Shipping Height 15 in Shipping Depth 12 in Shipping Weight 10 lb.

Urc AC Pro-ii Solid State Programmer Upgrade Kit New For Mbe With Ac-pro Trip Unit

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Utility Relay Product Family AC PRO Type AC PRO II Functions LONG TIME, SHORT TIME, INSTANTANEOUS, GROUND FAULT Targets Yes Shipping Width 8 in Shipping Height 8 in Shipping Depth 8 in Shipping Weight 3 lb.

Square D 120 Volts AC Electric Trip Kit New For 2500-4000 Amps Type Bp Bolt-loc Switch

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Square D Product Family BOLT-LOC For Equipment Type BOLT-LOC Type of Device TRIP Control Voltage 120VAC.

Urc AC Pro Solid State Retrofit Kit New For WH Ds-420 With Digitrip, Auto Reset, 2000 Amps Rating

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Utility relay Product Family AC PRO Product Family DS For Equipment Type DS-420 Shipping Width 18 in Shipping Height 18 in Shipping Depth 18 in Shipping Weight 25 lb.

Urc AC Pro Solid State Retrofit Kit New For WH Ds840 With Digitrip, Auto Reset, 4000 Amps Rating

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Utility relay Product Family AC PRO Product Family DS For Equipment Type DS-840 Shipping Width 18 in Shipping Height 18 in Shipping Depth 18 in Shipping Weight 25 lb.

Urc AC Pro Electric Reset Module New For Electric Auto-reset Actuators

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Utility Relay Product Family AC PRO For Equipment Type AC PRO MSSP Type RESET MODULE.

Urc AC Pro Ii Solid State Retrofit Kit New For GE Power Break 2000a-4000a, Re-using Oem Actuator & Current Transformers

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Utility relay Product Family AC PRO II Product Family POWER BREAK For Equipment Type POWER BREAK Shipping Width 18 in Shipping Height 18 in Shipping Depth 18 in Shipping Weight 25 lb.

Urc AC Pro Ii Solid State Retrofit Kit New For K-600, 600/300 Amps Ct, Mech Reset

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Utility relay Product Family AC PRO II Product Family K-LINE For Equipment Type K-600 Shipping Width 12 in Shipping Height 12 in Shipping Depth 12 in Shipping Weight 25 lb.

Decco 208-240 Volts AC Solenoid Coil New

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer DECCO Product Family CONTACTOR For Equipment Type Type of Coil SOLENOID Control Voltage 240VAC Shipping Width 6 in Shipping Height 6 in Shipping Depth 6 in Shipping Weight 3 lb.

Square D 120 Volts AC Charge Motor Assembly For Masterpact Nw, Fixed Frame

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Square D Product Family MASTERPACT For Equipment Type NW Motor Type CHARGE Motor Voltage 120VAC.

Urc AC Pro Solid State Retrofit Kit New For WH Ds-206 With Digitrip, Auto Reset, 200-400-600 Amps Ct, Quick Trip

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Utility relay Product Family AC PRO Product Family DS For Equipment Type DS-206 Shipping Width 12 in Shipping Height 12 in Shipping Depth 12 in Shipping Weight 25 lb.

800-1600 Amps Urc AC Pro Multi Ratio Current Transformer New For ITE K-1600s / K-2000s

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Utility Relay Co Product Family K-LINE Type of Programmer CT MULTI RATIO For Programmer Type AC PRO For Breaker Type K-1600S Primary Amperage Rating 800A-1600A Shipping Width 6 in Shipping Height 6 in Shipping Depth 6 in Shipping Weight 3 lb.

Urc AC Pro Ii Solid State Retrofit Kit New For GE Akr-50 With Mvt

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Utility relay Product Family AC PRO II Product Family AKR For Equipment Type AKR-50.

Urc AC Pro Ii Solid State Retrofit Kit New For ITE Kdon-1600 Red (1" X 3" Stabs), Mech Auto Reset, 1600 Amps Rating, With Vdm

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Utility relay Product Family AC PRO II Product Family K-LINE For Equipment Type K-1600.

800-1600 Amps Urc AC Pro Multi Ratio Current Transformer New For K-1600 Retrofit Kit With 1" Cu, Encapsulated

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Utility Relay Co Product Family K-LINE Type of Programmer CT MULTI RATIO For Programmer Type AC PRO For Breaker Type K-1600 Primary Amperage Rating 800A-1600A.

Allis-Chalmers #48FM18X-5, Current Limiting Fuse, 2.4/4.8 KV

EcReCon Inc. | Pedericktown, NJ
Seller: EcReCon Inc.
Location: Pedericktown, NJ
Mfr: Allis-Chalmers
, Allis Chalmers Current Limiting Fuse, 2.4/4.8 KV, 48FM18X-5., ALLIS CHALMERS 48FM18X-5, Item. Current Limiting Fuse.

45 Amps ABB Air Magnetic Contactor Size 2 New 120 Volts AC Coil, 3 Pole

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer ABB Product Family M1 Shipping Width 18 in Shipping Height 18 in Shipping Depth 18 in Shipping Weight 35 lb.

Square D Type Se01 Non-reversing Contactor Size 3 120 Volts AC Coil, Class 8536

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Square D Product Family SIZE 3 Shipping Width 18 in Shipping Height 18 in Shipping Depth 18 in Shipping Weight 35 lb.

Ch Size 6 Advantage Series Motor Starter 120 Volts AC Coil, Mechanical Interlock, Aux Contacts

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Westinghouse / Cutler Hammer Product Family ADVANTAGE.

Ch Size 2 Advantage Series Motor Starter 220 Volts AC Coil

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Westinghouse / Cutler Hammer Product Family ADVANTAGE.

30 Amps Ch Air Magnetic Contactor Size 1 New 120 Volts AC Coil, 3 Pole

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Westinghouse / Cutler Hammer Product Family C25 Shipping Width 6 in Shipping Height 6 in Shipping Depth 6 in Shipping Weight 2 lb.

Ch Size 4 Advantage Series Motor Starter 120 Volts AC Coil

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Westinghouse / Cutler Hammer Product Family ADVANTAGE Shipping Width 15 in Shipping Height 17 in Shipping Depth 13 in Shipping Weight 25 lb.

Ch Size 3 Advantage Series Motor Starter 120 Volts AC Coil

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Westinghouse / Cutler Hammer Product Family ADVANTAGE.

Ch Size 3 Advantage Series Motor Starter 120 Volts AC Coil

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Westinghouse / Cutler Hammer Product Family ADVANTAGE.

Ch Size 6 Contactor 120 Volts AC Coil, Aux Contacts

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Westinghouse / Cutler Hammer.

Ch Size 5 Advantage Series Motor Starter 120 Volts AC Coil

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Westinghouse / Cutler Hammer Product Family ADVANTAGE Shipping Width 14 in Shipping Height 24 in Shipping Depth 14 in Shipping Weight 35 lb.

Mclean Engineering Transformer Fan 120/240 Volts AC

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Miscellaneous Other Manufacturers For Equipment Type SWITCHGEAR MCP Type FAN Control Voltage 120/240VAC.

Decco 120 Volts AC Horizontal Pull Solenoid Assembly New With Plunger, U-stack, And Mounting

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Miscellaneous Other Manufacturers Product Family For Equipment Type Type of Device CLOSE/TRIP Control Voltage 120VAC Shipping Width 6 in Shipping Height 6 in Shipping Depth 6 in Shipping Weight 3 lb.

Tec D101 Protective Relay AC Actuating, 480vac, Adjusable Pu/do

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Miscellaneous Other Manufacturers Product Family D Protective Relay Function DIFFERENTIAL Protective Relay Model D101 Shipping Width 8 in Shipping Height 8 in Shipping Depth 8 in Shipping Weight 5 lb.

280 Amps ABB Spectrum Air Magnetic Contactor Size 3 120 Volts AC Coil, 2 Pole

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer ABB Product Family EHDB Shipping Width 10 in Shipping Height 10 in Shipping Depth 10 in Shipping Weight 11 lb.

1250 Amps Bussmann Semitron High Speed Fuse 700 Volts AC Ul, 690 Volts AC Iec, Square Body

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer Bussman Product Family SEMITRON Kind of Fuse Type of Fuse SPP Fuse Rating (V) 700 Fuse Rating (A) 1250A.

25 Amps Packard Air Magnetic Contactor Unused Surplus 24 Volts AC Coil, 3 Pole

National Switchgear - Parts | Lewisville, TX
Seller: National Switchgear - Parts
Location: Lewisville, TX
Mfr: Allis-Chalmers
Manufacturer PACKARD Product Family Shipping Width 6 in Shipping Height 6 in Shipping Depth 6 in Shipping Weight 1 lb.