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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 551-600 of 892.
    SIEMENS 3VL1706-1DD33-0AA0

    SIEMENS

    3VL1706-1DD33-0AA0

    CIRCUIT BREAKER, 3 POLE, 63 AMP, 55 KA , 3VL1706-1DD33-0AA0
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$355.67
    CAN$355.67
    Repair Yours CAN$360.00
    SIEMENS 5SX2240-7

    SIEMENS

    5SX2240-7

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 5SX2, 2 POLE, 480 VAC, 40 AMP, C TRIP CURVE, STANDARD, (5SX22-C40)
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$14.52
    CAN$14.52
    SIEMENS 5SX2320-7

    SIEMENS

    5SX2320-7

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 5SX2, 3 POLE, 480 VAC, 20 AMP, C TRIP CURVE, STANDARD, (5SX23-C20)
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$50.82
    CAN$50.82
    SIEMENS 5SX4-120-7

    SIEMENS

    ITE SIEMENS

    5SX4-120-7

    DISCONTINUED BY MANUFACTURER AS OF 01/10/15, CIRCUIT BREAKER, T55, 20AMP, 1 POLE, 230/400V, DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$74.98
    CAN$74.98
    SIEMENS BF120

    SIEMENS

    ITE SIEMENS

    BF120

    CIRCUIT BREAKER, 20AMP, 1POLE, 120VAC, W/GROUND FAULT
    ✓ IN STOCK!
    CAN$474.13 Buy Surplus As Low As CAN$167.10
    CAN$167.10
    Repair Yours CAN$360.00
    SIEMENS BQD2100

    SIEMENS

    ITE SIEMENS

    BQD2100

    MOLDED CASE THERMAL MAGNETIC. BQD FRAME. 240 VAC/480 VAC STAR/277 VAC AT 60 HZ 125/250 VDC (UL). 100 AMPERE AT 40 DEG C. 2 POLE. INTERRUPTING RATING 65 KILOAMPERE AT 240 VAC 14 KILOAMPERE AT ...
    ✓ IN STOCK!
    CAN$780.00 Buy Surplus As Low As CAN$468.00
    CAN$468.00
    Repair Yours CAN$389.00
    SIEMENS BQD3100

    SIEMENS

    ITE SIEMENS

    BQD3100

    CIRCUIT BREAKER, TYPE BQD, 3 POLE, 100 AMP, 277/480V, 14KA @ 480V, BOLT-ON
    ✓ IN STOCK!
    CAN$656.00 Buy Surplus As Low As CAN$392.15
    CAN$392.15
    Repair Yours CAN$250.00
    WESTINGHOUSE FDB2030L

    WESTINGHOUSE

    FDB2030L

    CIRCUIT BREAKER, SERIES C, 30AMP, 2 POLE, 600VAC
    ✓ IN STOCK!
    CAN$1,955.46 Buy Surplus As Low As CAN$496.58
    CAN$496.58
    Repair Yours CAN$357.83
    WESTINGHOUSE HMCP015E0C

    WESTINGHOUSE

    HMCP015E0C

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, THERMAL MAGNETIC, MOLDED CASE, 15 AMP, 3 POLE, 250 VDC, 600 VAC, PANEL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$401.38
    CAN$401.38
    Repair Yours CAN$360.00
    WESTINGHOUSE MCP331000CR

    WESTINGHOUSE

    MCP331000CR

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 100 AMP, 3 POLE, 600 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$556.36
    CAN$556.36
    Repair Yours CAN$388.96
    WESTINGHOUSE EH3030

    WESTINGHOUSE

    EH3030

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 30AMP, 3POLE, 480VAC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$324.88
    CAN$324.88
    Repair Yours CAN$250.00
    WESTINGHOUSE EHB3015

    WESTINGHOUSE

    EHB3015

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, THERMAL MAGNETIC TRIP, 3-POLE, 480 VAC, 15 AMP, BOLT-ON CONNECTION
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$117.09
    CAN$117.09
    ALLEN BRADLEY 140M-D8E-B25

    ALLEN BRADLEY

    140M-D8E-B25

    DISCONTINUED BY MANUFACTURER 01/31/2023, CIRCUIT BREAKER, MOTOR PROTECTION, 140M, FRAME D, RATING - 32 AMP, HIGH BREAK, ADJ THERMAL/ FIXED MAG, RANGE - 1.6-2.5 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$498.18
    CAN$498.18
    Repair Yours CAN$360.00
    ALLEN BRADLEY 140M-D8E-B40

    ALLEN BRADLEY

    140M-D8E-B40

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, MOTOR PROTECTION, 140M, FRAME D, RATING - 32 AMP, HIGH BREAK, ADJ THERMAL/ FIXED MAG, RANGE - 2.5-4 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$309.96
    CAN$309.96
    Repair Yours CAN$360.00
    ALLEN BRADLEY 140M-D8E-B63

    ALLEN BRADLEY

    140M-D8E-B63

    DISCONTINUED BY MANUFACTURER 02/25/2022, CIRCUIT BREAKER, MOTOR PROTECTION, 140M, FRAME D, RATING - 32 AMP, HIGH BREAK, ADJ THERMAL/ FIXED MAG, RANGE - 4-6.3 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$681.52
    CAN$681.52
    Repair Yours CAN$467.48
    ALLEN BRADLEY 140M-D8N-C10

    ALLEN BRADLEY

    140M-D8N-C10

    DISCONTINUED BY MANUFACTURER 02/25/2022, MOTOR CIRCUIT PROTECTOR, 140M, FRAME D, RATING - 32 AMP, HIGH BREAK, FIXED MAG ONLY, RANGE - 6.3-10 AMP, REPLACED BY 140MT-D9N-C10
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$142.08
    CAN$142.08
    ALLEN BRADLEY 140M-D8N-C25

    ALLEN BRADLEY

    140M-D8N-C25

    DISCONTINUED BY MANUFACTURER 02/25/2022, MOTOR CIRCUIT PROTECTOR, 140M, FRAME D, RATING - 32 AMP, HIGH BREAK, FIXED MAG ONLY, RANGE - 18-25 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$532.36
    CAN$532.36
    Repair Yours CAN$426.91
    ALLEN BRADLEY 140M-F8E-C10

    ALLEN BRADLEY

    140M-F8E-C10

    DISCONTINUED BY MANUFACTURER 12/31/2024, CIRCUIT BREAKER, MOTOR PROTECTION, 140M, FRAME F, ADJUSTABLE THERMAL RANGE 6.3-10 AMP, 45 AMP RATING, 480 VAC (60 HZ), HIGH BREAK
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$594.07
    CAN$594.07
    ALLEN BRADLEY 140M-F8N-C25

    ALLEN BRADLEY

    140M-F8N-C25

    MOTOR CIRCUIT PROTECTOR, 140M, FRAME F, RATING - 45 AMP, HIGH BREAK, FIXED MAG ONLY, RANGE - 18-25 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$612.99
    CAN$612.99
    Repair Yours CAN$425.75
    ALLEN BRADLEY 140M-F-W544

    ALLEN BRADLEY

    140M-F-W544

    COMPACT BUSBAR, 3 PHASE, 115 AMP, 54 MM SPACING, 4 CONNECTIONS, USED WITH 140M-F CIRCUIT BREAKER, MOUNTABLE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$266.91
    CAN$266.91
    ALLEN BRADLEY 140T60

    ALLEN BRADLEY

    140T60

    DISCONTINUED BY MANUFACTURER, BUSBAR SUPPORT, 60 MM, 3 POLE CENTER SPACING
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$25.72
    CAN$25.72
    ALLEN BRADLEY 1492-GH005

    ALLEN BRADLEY

    1492-GH005

    CIRCUIT BREAKER, MINIATURE, 0.5 AMP, 1 POLE, 250 VAC, 65 VDC, DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$74.49
    CAN$74.49
    ALLEN BRADLEY 1492-GH008

    ALLEN BRADLEY

    1492-GH008

    CIRCUIT BREAKER, 0.8 AMP, 1 POLE, 250 VAC, 56/60 HZ, MINIATURE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$91.48
    CAN$91.48
    ALLEN BRADLEY 1492-GH010

    ALLEN BRADLEY

    1492-GH010

    MINIATURE CIRCUIT BREAKER, SUPPLEMENTARY PROTECTOR, HIGH DENSITY, 1 POLE, 250VAC / 65VDC, 50/60 HZ, 1 PHASE, THERMAL MAGNETIC, DIN-RAIL MOUNT, 1.0 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$83.85
    CAN$83.85
    ALLEN BRADLEY 1492-GH015

    ALLEN BRADLEY

    1492-GH015

    MINIATURE CIRCUIT BREAKER, 1.5AMP, 250VAC, 50/60HZ, 65VDC, DIN RAIL MOUNT, HIGH DENSITY
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$24.18
    CAN$24.18
    ALLEN BRADLEY 1492-GH050

    ALLEN BRADLEY

    1492-GH050

    CIRCUIT BREAKER, MINIATURE, 1 POLE, 5 AMP, 250 VAC, 50/60 HZ, DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$124.87
    CAN$124.87
    ALLEN BRADLEY 1492-GH070

    ALLEN BRADLEY

    1492-GH070

    MINIATURE CIRCUIT BREAKER, 7 AMP, 1 POLE, 65 VDC, DIN RAIL MOUNT, 250 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$109.02
    CAN$109.02
    ALLEN BRADLEY 1492-GH100

    ALLEN BRADLEY

    1492-GH100

    MINIATURE CIRCUIT BREAKER, DIN-RAIL, 10 AMP, 1 POLE, 65/125 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$124.74
    CAN$124.74
    ALLEN BRADLEY 1492-GH150

    ALLEN BRADLEY

    1492-GH150

    CIRCUIT BREAKER, MINIATURE, 15 AMP, 1 POLE, 125 VAC, 50/60 HZ, 65 VDC, DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$91.09
    CAN$91.09
    ALLEN BRADLEY 1492-GHA010

    ALLEN BRADLEY

    1492-GHA010

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 1 AMP, 1 POLE, 250 VAC, IEC, OPEN STYLE, MOUNTABLE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$74.42
    CAN$74.42
    ALLEN BRADLEY 1492-GS1G010

    ALLEN BRADLEY

    1492-GS1G010

    MINI CIRCUIT BREAKERS, (TOGGLE STYLE), HIGH DENSITY, 1 POLE, G-TRIP CHARACTERISTICS - INDUCTIVE LOADS (AC), 1.0 AMP RATING
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$39.68
    CAN$39.68
    ALLEN BRADLEY 1492-GS1G015

    ALLEN BRADLEY

    1492-GS1G015

    HIGH DENSITY MINI CIRCUIT BREAKERS, 1492-GS SERIES, (TOGGLE STYLE), 1 POLE, G-TRIP CHARACTERISTICS - INDUCTIVE LOADS (AC), 1.5 AMP RATING
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$101.15
    CAN$101.15
    ALLEN BRADLEY 1492-GS1G020

    ALLEN BRADLEY

    1492-GS1G020

    HIGH DENSITY MINI CIRCUIT BREAKERS (TOGGLE STYLE), 1 POLE, G-TRIP CHARACTERISTICS - INDUCTIVE LOADS (AC), 2.0 AMP RATING
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$83.67
    CAN$83.67
    ALLEN BRADLEY 1492-GS1G200

    ALLEN BRADLEY

    1492-GS1G200

    MINIATURE CIRCUIT BREAKER, HIGH DENSITY, TOGGLE STYLE, 1 POLE, G-TRIP CHARACTERISTICS, 20 AMP, DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$80.47
    CAN$80.47
    ALLEN BRADLEY 198-H2

    ALLEN BRADLEY

    198-H2

    CIRCUIT BREAKER MECHANISM,ROTARY OPERATED,150 A FRAME SIZE,FRAME DESIGNATION EDH,FD,FDB,FB C,HFD,HMCP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$86.57
    CAN$86.57
    ALLEN BRADLEY 140-CMN-2500

    ALLEN BRADLEY

    140-CMN-2500

    DISCONTINUED BY MANUFACTURER 2013-03-30, CIRCUIT BREAKER 16-25AMP STD MAGNETIC TRIP, MPCB, STD. MAGNETIC TRIP, 16.0 - 25.0A
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$622.73
    CAN$622.73
    Repair Yours CAN$431.36
    SIEMENS BQD320

    SIEMENS

    BQD320

    CIRCUIT BREAKER, TYPE BQD, 3 POLE, 3 PHASE, 20 AMP, 277/480V, 14KAIC @ 480V, BOLT-ON, THERMAL MAGNETIC, GREY
    ✓ IN STOCK!
    CAN$499.40 Buy Surplus As Low As CAN$306.08
    CAN$306.08
    SIEMENS ED43B050

    SIEMENS

    ITE SIEMENS

    ED43B050

    THERMAL MAGNETIC. 3 POLE. 480 VAC. 50 AMPERE AT 40 DEG C. INTERRUPTING RATING 65 KILOAMPERE AT 240 VAC 18 KILOAMPERE AT 480 VAC (UL). LUG LOAD TERMINAL TERMINAL. WIRE SIZE 10 TO 1/0 AWG (ALU ...
    ✓ IN STOCK!
    CAN$559.00 Buy Surplus As Low As CAN$336.00
    CAN$336.00
    Repair Yours CAN$279.00
    SIEMENS EH3B015

    SIEMENS

    ITE SIEMENS

    EH3B015

    DISCONTINUED BY MANUFACTURER, MOLDED CASE CIRCUIT BREAKER, EH SERIES, 15 AMP, 3 POLE, 480 VAC, 3 PHASE, BOLT-ON, COMPLETE WITH NON-INTERCHANGEABLE TRIP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$242.39
    CAN$242.39
    Repair Yours CAN$360.00
    SIEMENS EH3-B030

    SIEMENS

    ITE SIEMENS

    EH3-B030

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 30AMP, 3POLE, 480VAC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$438.44
    CAN$438.44
    Repair Yours CAN$360.00
    SIEMENS HE3B050

    SIEMENS

    ITE SIEMENS

    HE3B050

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, HE SERIES, THERMAL MAGNETIC, 50AMP, 3POLE, 600VAC, BOLT-ON
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$435.09
    CAN$435.09
    Repair Yours CAN$360.00
    SIEMENS MBKQJ3

    SIEMENS

    ITE SIEMENS

    MBKQJ3

    CIRCUIT BREAKER MOUNTING KIT, QJ FRAME, 3 PHASE, 600 V, 225 A, ALUMINUM
    ✓ IN STOCK!
    CAN$203.01 Buy Surplus As Low As CAN$183.01
    CAN$183.01
    Repair Yours CAN$250.00
    SIEMENS MLKA3

    SIEMENS

    MLKA3

    LUG KIT, MAIN OR FEED-THRU, ALUMINUM, FOR ORIGINAL P1 INTERIOR PANELBOARD, SUITABLE FOR 3-PHASE SYSTEM RATED (250A), WIRE RANGE: NO.6 AWG - 350KCMIL (CU/AL), NOT SUITABLE FOR USE WITH REVISE ...
    ✓ IN STOCK!
    CAN$123.00 Buy Surplus As Low As CAN$94.00
    CAN$94.00
    SIEMENS CQD3100

    SIEMENS

    ITE SIEMENS

    CQD3100

    CIRCUIT BREAKER, CQD TYPE, 3 POLE, 100 AMP, 277 V AC, 50/60 HZ
    ✓ IN STOCK!
    CAN$783.00 Buy Surplus As Low As CAN$470.00
    CAN$470.00
    Repair Yours CAN$390.10
    SIEMENS CQD315

    SIEMENS

    ITE SIEMENS

    CQD315

    CIRCUIT BREAKER, CQD, 3P, 15A, 480/277V, 14KA DIN
    ✓ IN STOCK!
    CAN$581.00 Buy Surplus As Low As CAN$349.00
    CAN$349.00
    Repair Yours CAN$290.00
    SIEMENS CQD320

    SIEMENS

    ITE SIEMENS

    CQD320

    CIRCUIT BREAKER, CQD TYPE, 3 POLE, 20 AMP, 480Y/277V, 14KA
    ✓ IN STOCK!
    CAN$581.00 Buy Surplus As Low As CAN$349.00
    CAN$349.00
    Repair Yours CAN$290.00
    SIEMENS CQD350

    SIEMENS

    ITE SIEMENS

    CQD350

    CIRCUIT BREAKER, 50AMP, 3POLE, 480/277V, 14KA,
    ✓ IN STOCK!
    CAN$581.00 Buy Surplus As Low As CAN$349.00
    CAN$349.00
    Repair Yours CAN$290.00
    SIEMENS ED42B020

    SIEMENS

    ITE SIEMENS

    ED42B020

    CIRCUIT BREAKER, MOLDED CASE, SENTRON SERIES, 2 POLE, 20 AMPS, 18 KA AT 480 VAC, 50/60 HZ, FIXED, 3 PHASE
    ✓ IN STOCK!
    CAN$426.00 Buy Surplus As Low As CAN$256.00
    CAN$256.00
    Repair Yours CAN$250.00
    SIEMENS ED43B025L

    SIEMENS

    ED43B025L

    MOLDED CASE CIRCUIT BREAKER, SENTRON SERIES, THERMAL MAHNETIC, STANDARD RATING, TYPE ED, 480 VAC, 3 POLE, STANDARD 40 DEGREES C BREAKER, 25 AMP , ED43B025L , ED43B025L
    ✓ IN STOCK!
    CAN$559.00 Buy New CAN$559.00
    CAN$569.99
    Repair Yours CAN$279.00
    SIEMENS ED63B025L

    SIEMENS

    ITE SIEMENS

    ED63B025L

    BRKR ED6 3P 600V 25A LUG, ED STD INTER TM BRKR, MOLDED CASE CIRCUIT BREAKERS , ED63B025L , ED63B025L
    ✓ IN STOCK!
    CAN$638.00 Buy Surplus As Low As CAN$485.00
    CAN$485.00
    Repair Yours CAN$318.00
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