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    Industrial Circuit Breakers & Protection Devices

    Ensure electrical safety and operational continuity with our robust selection of air breakers, vacuum circuit breakers, and DIN rail-mounted solutions. Designed to provide dependable circuit protection across industrial power systems and critical infrastructure.

    Safeguard your electrical systems with our comprehensive range of circuit breakers. Our comprehensive range features air breakers, ground & test devices, DIN rail mount circuit breakers, vacuum circuit breakers, and panel mount circuit breakers to meet your circuit protection needs. Whether you're safeguarding critical electrical systems, upgrading industrial equipment, or maintaining power distribution networks, our circuit breakers provide the reliable protection and control you need for optimal performance and safety. Shop now for reliable circuit breakers to protect your electrical systems.

    Rockwell Disclaimer: The product is used surplus. Radwell is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Radwell is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, Radwell makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Radwell also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. Radwell also makes no representations as to your right to install any such firmware on the product. Radwell will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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    Results 851-900 of 892.
    ASEA BROWN BOVERI S272-K4

    ASEA BROWN BOVERI

    S272-K4

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 4AMP, 2 POLE, 277/480V
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$19.57
    CAN$19.57
    ASEA BROWN BOVERI S272-K6

    ASEA BROWN BOVERI

    S272-K6

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 6 AMP, 2 POLE, 277/480 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$31.87
    CAN$31.87
    ASEA BROWN BOVERI S272-K6A

    ASEA BROWN BOVERI

    S272-K6A

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 6 AMP, 2 POLE, 277 / 480 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$30.20
    CAN$30.20
    ASEA BROWN BOVERI S272-K8

    ASEA BROWN BOVERI

    S272-K8

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 8 AMP, 2 POLE, 400 VAC, K-CURVE, GH S272 0001 R0407
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$23.93
    CAN$23.93
    ASEA BROWN BOVERI S273-K6

    ASEA BROWN BOVERI

    S273-K6

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 6 AMP, 3 POLE, 277/480 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$71.73
    CAN$71.73
    ASEA BROWN BOVERI S281-Z16

    ASEA BROWN BOVERI

    S281-Z16

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, MINIATURE, 16 AMP, 1 POLE, 230-400 VAC, 25 KA, FAST TRIP CHARACTERISTIC, GHS2810001R0468
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$52.27
    CAN$52.27
    ASEA BROWN BOVERI GHS2820164R0427

    ASEA BROWN BOVERI

    GHS2820164R0427

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 10AMP, 2POLE, 277/480VAC, K-CURVE, DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$40.58
    CAN$40.58
    ASEA BROWN BOVERI S282-K16

    ASEA BROWN BOVERI

    S282-K16

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 16 AMP, 2 POLE, 400VAC, TYPE-K
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$80.46
    CAN$80.46
    CHALLENGER A220

    CHALLENGER

    A220

    CLIP CIRCUIT BREAKER, TWO POLE, 20 AMP, TYPE A120/240 VAC
    ✓ IN STOCK!
    CAN$154.93 Buy Surplus As Low As CAN$70.34
    CAN$70.34
    CHALLENGER C140

    CHALLENGER

    C140

    CIRCUIT BREAKER, C SERIES / TYPE, LONG-TIME & INSTANTANEOUS TRIP, 40 AMP, 1 POLE / PHASE, 120/240 VAC
    ✓ IN STOCK!
    CAN$13.63 Buy Surplus As Low As CAN$8.19
    CAN$8.19
    CONTROL CONCEPTS IC-101

    CONTROL CONCEPTS

    IC-101

    DISCONTINUED BY MANUFACTURER, POWER LINE FILTER, COMMON MODE, 1.0AMP, 120VAC 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$73.41
    CAN$73.41
    BRADY 65329

    BRADY

    65329

    (PRICE/EACH), OVERSIZED BREAKER LOCKOUT EA
    ✓ IN STOCK!
    CAN$76.72 Buy Surplus As Low As CAN$60.06
    CAN$60.06
    BRADY 65688

    BRADY

    65688

    SINGLE POLE CIRCUIT BREAKER LOCKOUT, 6 PER PACK SAFETY AND SECURITY, 262- UNSPSC=46171500 UPC=754473 1 (3T986)
    ✓ IN STOCK!
    CAN$72.93 Buy Surplus As Low As CAN$31.10
    CAN$31.10
    EATON CORPORATION EHD3100

    EATON CORPORATION

    CUTLER HAMMER

    EHD3100

    CIRCUIT BREAKER, MOLDED CASE, F-FRAME, 3 POLE, 100 AMP, 50/60 HZ, 14 KAIC AT 480 VAC, 18 KAIC AT 240 VAC
    ✓ IN STOCK!
    CAN$1,166.07 Buy Surplus As Low As CAN$526.00
    CAN$526.00
    Repair Yours CAN$360.00
    EATON CORPORATION FDB2030L

    EATON CORPORATION

    CUTLER HAMMER

    FDB2030L

    CIRCUIT BREAKER, 30A, FDB TYPE, F FRAME, 50/60 HZ, TWO POLE, SERIES C, 600VAC, 250 VDC, LINE AND LOAD TERMINALS
    ✓ IN STOCK!
    CAN$872.00 Buy Surplus As Low As CAN$524.00
    CAN$524.00
    Repair Yours CAN$434.92
    GENERAL ELECTRIC TFKUVA1

    GENERAL ELECTRIC

    TFKUVA1

    UNDERVOLTAGE RELEASE MECHANISM ,120VAC ,FOR C/B F225
    CAN$1,509.08 Buy Surplus As Low As CAN$906.33
    CAN$906.33
    SIEMENS HHED63B100

    SIEMENS

    ITE SIEMENS

    HHED63B100

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, ED, 18 KA, 100 AMP, 3 POLE, 600 V AC, W/ LD LUG
    Buy Surplus As Low As CAN$1,959.70
    CAN$1,959.70
    Repair Yours CAN$908.55
    WESTINGHOUSE HMCP015E0

    WESTINGHOUSE

    HMCP015E0

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, MOLDED CASE, SERIES C, 600 VAC MAX, 250 VDC MAX, 3-POLE, 15 AMP, THERMAL MAGNETIC
    Buy Surplus As Low As CAN$844.62
    CAN$844.62
    Repair Yours CAN$358.64
    ASEA BROWN BOVERI S4N250BW

    ASEA BROWN BOVERI

    S4N250BW

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 250 AMP, 3 POLE, 600 VAC, LI TRIP
    Buy Surplus As Low As CAN$3,939.30
    CAN$3,939.30
    Repair Yours CAN$3,128.17
    EATON CORPORATION 66D2045G02

    EATON CORPORATION

    CUTLER HAMMER

    66D2045G02

    DISCONTINUED BY MANUFACTURER, IQ ANALYZER WITH SEPARATE SOURCE POWER MODULE, DISTRIBUTION SYSTEM MONITOR, CATALOG NUMBER: IQA6410
    Buy Surplus As Low As CAN$8,034.24
    CAN$8,034.24
    Repair Yours CAN$6,086.43
    EATON CORPORATION FD3110

    EATON CORPORATION

    CUTLER HAMMER

    FD3110

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 3-POLE, 110 AMP, LOAD SIDE LUGS ONLY
    CAN$3,127.71 Buy Surplus As Low As CAN$1,876.63
    CAN$1,876.63
    Repair Yours CAN$1,713.00
    EATON CORPORATION HMCP050K2CA02

    EATON CORPORATION

    CUTLER HAMMER

    HMCP050K2CA02

    CIRCUIT BREAKER, MOLDED CASE, SERIES C, 600 VAC MAX, 250 VDC MAX, 3-POLE, 50 AMP, THERMAL MAGNETIC, 50-500 TRIP RANGE, NEMA STARTER SIZE 2
    CAN$2,096.00 Buy Surplus As Low As CAN$1,295.94
    CAN$1,295.94
    Repair Yours CAN$847.20
    EATON CORPORATION HMCP100R3CA02

    EATON CORPORATION

    CUTLER HAMMER

    HMCP100R3CA02

    MOLDED CASE CIRCUIT BREAKER, C SERIES, 3-POLE, 100 AMP, 600 VAC MAX, 250 VDC MAX, NON-ALUMINUM TERMINALS
    CAN$2,562.65 Buy Surplus As Low As CAN$1,468.22
    CAN$1,468.22
    Repair Yours CAN$638.58
    EATON CORPORATION MBE2040B200BTS

    EATON CORPORATION

    CUTLER HAMMER

    MBE2040B200BTS

    CIRCUIT BREAKER, EUSERC, BR, 200 AMP, 20/40 CKT, BTM/TOP FEED
    CAN$6,297.52 Buy Surplus As Low As CAN$2,713.48
    CAN$2,713.48
    Repair Yours CAN$1,142.21
    SIEMENS EH3B060

    SIEMENS

    ITE SIEMENS

    EH3B060

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 60AMP, 3POLE, 480VAC
    Buy Surplus As Low As CAN$2,080.19
    CAN$2,080.19
    Repair Yours CAN$1,481.15
    SIEMENS FHOF036

    SIEMENS

    ITE SIEMENS

    FHOF036

    BREAKER FD MAX-FLEX COMPLETE KIT 36IN., BREAKER FD MAX-FLEX COMPLETE KIT 36 "
    CAN$2,290.83 Buy Surplus As Low As CAN$837.00
    CAN$837.00
    WESTINGHOUSE LBB3400W

    WESTINGHOUSE

    LBB3400W

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER 400AMP 3POLE 600VAC
    Buy Surplus As Low As CAN$2,606.52
    CAN$2,606.52
    Repair Yours CAN$2,129.62
    FUJI ELECTRIC BU-JSB3225L

    FUJI ELECTRIC

    BU-JSB3225L

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 225AMP, 600VAC, 50/60HZ, 3POLE, W/ LUGS
    Buy Surplus As Low As CAN$800.24
    CAN$800.24
    Repair Yours CAN$566.60
    FUJI ELECTRIC EG103B/100-30MA

    FUJI ELECTRIC

    EG103B/100-30MA

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 100AMP, 3POLE, 100/200/415V
    Buy Surplus As Low As CAN$1,393.95
    CAN$1,393.95
    Repair Yours CAN$965.72
    GENERAL ELECTRIC MMII-PD-1-2-120

    GENERAL ELECTRIC

    MULTILIN

    MMII-PD-1-2-120

    DISCONTINUED BY MANUFACTURER, INTELLIGENT MCC CONTROLLER, 120 V AC, 10 PROCESS INPUT, ENHANCED PROTECTION, CONTACTOR CONTROL, 2 PROCESS INPUT, PANEL MOUNT
    Buy Surplus As Low As CAN$7,819.64
    CAN$7,819.64
    Repair Yours CAN$5,226.73
    SIEMENS EH3B100

    SIEMENS

    ITE SIEMENS

    EH3B100

    DISCONTINUED BY MANUFACTURER,CIRCUIT BREAKER,MOLDED CASE,3 POLE, 100 AMPS, 480 VAC
    Buy Surplus As Low As CAN$2,379.48
    CAN$2,379.48
    Repair Yours CAN$1,595.25
    EATON CORPORATION FH360060A

    EATON CORPORATION

    CUTLER HAMMER

    FH360060A

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 60AMP, 3POLE, 600VAC, W/LUGS
    Buy Surplus As Low As CAN$274.72
    CAN$274.72
    Repair Yours CAN$370.89
    SIEMENS ED22B040

    SIEMENS

    ED22B040

    MOLDED CASE CIRCUIT BREAKER, SENTRON SERIES, THERMAL MAGNETIC, STANDARD RATING, TYPE ED, 240 VAC, 2 POLE, STANDARD 40 DEGREES C BREAKER, 40 AMP
    CAN$235.00 Buy Surplus As Low As CAN$141.00
    CAN$141.00
    Repair Yours CAN$250.00
    ALLEN BRADLEY 1492-SP3D150

    ALLEN BRADLEY

    1492-SP3D150

    DISCONTINUED BY MANUFACTURER 2014 , CIRCUIT BREAKER, 15 AMP, 3 POLE
    Buy Surplus As Low As CAN$91.74
    CAN$91.74
    ALLEN BRADLEY 1494V-DN100

    ALLEN BRADLEY

    1494V-DN100

    DISCONTINUED BY MANUFACTURER 05/02/2016, DISCONNECT SWITCH KIT, 1494V SERIES, RIGHT HANDED, 100 AMP, FOR NON-FUSIBLE SWITCH, OPEN STYLE, MOUNTABLE
    Buy Surplus As Low As CAN$639.50
    CAN$639.50
    EATON CORPORATION WMS-2C20

    EATON CORPORATION

    CUTLER HAMMER

    WMS-2C20

    DISCONTINUED BY MANUFACTURER, DISCONTINUED 4-30-2010, CIRCUIT BREAKER ,20 AMP, 2 POLES, 277/480 VAC, C-CURVE, POSSIBLE REPLACEMENT WMZS2C20
    Buy Surplus As Low As CAN$248.89
    CAN$248.89
    FUJI ELECTRIC EA203B/150

    FUJI ELECTRIC

    EA203B/150

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 150 AMP, 3 POLE, 250 VDC, 50/60 HZ
    Buy Surplus As Low As CAN$638.70
    CAN$638.70
    Repair Yours CAN$512.89
    NORDSON 274585B

    NORDSON

    274585B

    CIRCUIT BREAKER, 30 AMP, 3 POLE, COIL 24V
    CAN$288.55 Buy Surplus As Low As CAN$129.49
    CAN$129.49
    Repair Yours CAN$358.64
    GENERAL ELECTRIC TEC36030S

    GENERAL ELECTRIC

    TEC36030S

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 30AMP, 3 POLE, 600VAC
    Buy Surplus As Low As CAN$266.85
    CAN$266.85
    Repair Yours CAN$371.38
    ALLEN BRADLEY 1492-GH020

    ALLEN BRADLEY

    1492-GH020

    CIRCUIT BREAKER, MINIATURE, 2.0 AMP RATING, 2AMP, 1 POLE, 250 VAC, 50/60 HZ, 65 VDC, DIN RAIL MOUNT
    Buy Surplus As Low As CAN$44.29
    CAN$44.29
    ALLEN BRADLEY 1492-GS1G070

    ALLEN BRADLEY

    1492-GS1G070

    HIGH DENSITY MINI CIRCUIT BREAKERS (TOGGLE STYLE), 1 POLE, G-TRIP CHARACTERISTICS, INDUCTIVE, 277 VAC, 65 VDC, 7.0 AMP RATING
    Buy Surplus As Low As CAN$108.76
    CAN$108.76
    ALLEN BRADLEY 194E-G3675

    ALLEN BRADLEY

    194E-G3675

    DISCONTINUED BY MANUFACTURER, SHAFT ADAPTER KIT, BEZEL ADAPTER, 194R-R1 OPERATING SHAFT, METAL, FOR BASE MOUNT SWITCH, ORDER OPERATING HANDLE 194R-HS4 SEPARATELY, USE WITH 194L-G3399, USE WI ...
    Buy Surplus As Low As CAN$99.70
    CAN$99.70
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