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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.

    Filter Results
    Results 201-250 of 906.
    SIEMENS 3WN6683-0KG58-1KA3-Z

    SIEMENS

    3WN6683-0KG58-1KA3-Z

    CIRCUIT BREAKER, MOLED CASE, 220-250V, 50/60HZ
    ✓ IN STOCK!
    CAN$44,767.71 Buy Surplus As Low As CAN$11,895.69
    CAN$11,895.69
    Repair Yours CAN$10,970.48
    SCHNEIDER ELECTRIC 31620

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    31620

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 250 AMP, 3 POLES, 690 VAC, 50/60 HZ, 750 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,377.41
    CAN$1,377.41
    Repair Yours CAN$1,143.26
    PROTEUS PAT 160

    PROTEUS

    PAT 160

    DISCONTINUED BY MANUFACTURER, MOULDED CASE CIRCUIT BREAKER, 160 AMP, 3 POLE, 415 VAC, 25 KA
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$762.54
    CAN$762.54
    Repair Yours CAN$739.16
    SCHNEIDER ELECTRIC MG29851

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    MG29851

    CIRCUIT BREAKER 100AMP 3P 750V 50/60HZ 8KV W/TRIP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,079.00
    CAN$1,079.00
    Repair Yours CAN$716.46
    EATON CORPORATION KT3350T

    EATON CORPORATION

    CUTLER HAMMER

    KT3350T

    CIRCUIT BREAKER TRIP UNIT, TRIP UNIT ONLY, TYPE KT, 350 AMP, 3 POLE, 600 VAC MAX
    ✓ IN STOCK!
    CAN$1,185.86 Buy Surplus As Low As CAN$711.52
    CAN$711.52
    SIEMENS NXD63B100

    SIEMENS

    NXD63B100

    CIRCUIT BREAKER, MOLDED CASE, SENTRON SERIES, THERMAL MAGNETIC, STANDARD RATING, TYPE ND, 600 VAC, 3 POLE, STANDARD 40 DEGREES C BREAKER, 100 AMP
    ✓ IN STOCK!
    CAN$16,035.34 Buy Surplus As Low As CAN$9,621.20
    CAN$9,621.20
    Repair Yours CAN$8,625.00
    GENERAL ELECTRIC THQL32030

    GENERAL ELECTRIC

    THQL32030

    CIRCUIT BREAKER, Q LINE, 10 KAIC, 1 INCH PLUG-IN, 3 POLE, 240 V, 30 AMP
    ✓ IN STOCK!
    CAN$239.79 Buy Surplus As Low As CAN$143.87
    CAN$143.87
    GENERAL ELECTRIC THQB1120

    GENERAL ELECTRIC

    THQB1120

    CIRCUIT BREAKER, Q LINE, 10 KAIC, BOLT-ON, 1 POLE, 120/240 V, 20 AMP
    ✓ IN STOCK!
    CAN$44.77 Buy Surplus As Low As CAN$17.08
    CAN$17.08
    GENERAL ELECTRIC TEFR1B

    GENERAL ELECTRIC

    TEFR1B

    HANDLE, ROTARY, DISCONNECT FOR CIRCUIT BREAKER
    ✓ IN STOCK!
    CAN$842.79 Buy Surplus As Low As CAN$394.21
    CAN$394.21
    ASEA BROWN BOVERI S281-K4

    ASEA BROWN BOVERI

    S281-K4

    CIRCUIT BREAKER, 4 AMP, 1 POLE, 277/400 VAC, 10 KA, K-CURVE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$12.86
    CAN$12.86
    ASEA BROWN BOVERI S281-K16

    ASEA BROWN BOVERI

    S281-K16

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 16 AMP, 1 POLE, 277/480 VC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$57.93
    CAN$57.93
    ASEA BROWN BOVERI S272-K10A

    ASEA BROWN BOVERI

    S272-K10A

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER,10 AMP, 2 POLE, 277/480 VAC, K-CURVE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$123.73
    CAN$123.73
    ASEA BROWN BOVERI S272-K10

    ASEA BROWN BOVERI

    S272-K10

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 10 AMP, 2 POLE, 277/480 VAC, K-CURVE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$34.37
    CAN$34.37
    SCHNEIDER ELECTRIC A9F44325

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    A9F44325

    CIRCUIT BREAKER, ACTI 9, MINIATURE, 25 AMP, 3 POLE- C-CURVE, 380-415 VAC
    ✓ IN STOCK!
    CAN$315.05 Buy Surplus As Low As CAN$209.08
    CAN$209.08
    SENSATA TECHNOLOGIES UPG1-1-59F-501-A-21

    SENSATA TECHNOLOGIES

    AIRPAX

    UPG1-1-59F-501-A-21

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, UPG1 SERIES, 0.5 FL AMPS, 65 V DC MAX, 59 F DELAY, 0.625 TRIP AMPS
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$99.14
    CAN$99.14
    SCHNEIDER ELECTRIC C60N-1P-4A

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    C60N-1P-4A

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 230/400 VAC, 4 A, 1 P, C-CURVE TYPE, C4, 24398
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$86.41
    CAN$86.41
    GENERAL ELECTRIC TEF113020

    GENERAL ELECTRIC

    TEF113020

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, MOLDED CASE, 20 AMP, 1POLE, 277 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$39.24
    CAN$39.24
    Repair Yours CAN$360.00
    GENERAL ELECTRIC TEDAS2AB1R

    GENERAL ELECTRIC

    TEDAS2AB1R

    MOLDED CASE CIRCUIT BREAKER, AUXILIARY SWITCH, 240VAC/250VDC, CONTACT RATING: 240 VAC/250VDC , TEDAS2AB1R
    ✓ IN STOCK!
    CAN$336.28 Buy Surplus As Low As CAN$228.60
    CAN$228.60
    GENERAL ELECTRIC TED113020WL

    GENERAL ELECTRIC

    TED113020WL

    CIRCUIT BREAKER, THERMAL MAGNETIC, 20 AMP, 1 POLE, 277 VAC, 50/60 HZ, LINE AND LOAD LUG, PLASTIC MATERIAL, 10-50 DEG CELSIUS TEMPERATURE, 12-10 AWG
    ✓ IN STOCK!
    CAN$1,790.77 Buy Surplus As Low As CAN$568.34
    CAN$568.34
    Repair Yours CAN$360.00
    EATON CORPORATION AAL1LPK

    EATON CORPORATION

    CUTLER HAMMER

    AAL1LPK

    AUXILIARY SWITCH AND ALARM, TYPE F FRAME, LEFT POLE MTG, PIGTAIL LEADS, SERIES C, DIMENSIONS: 2.9" X 5.5" X 3.3"
    ✓ IN STOCK!
    CAN$389.30 Buy Surplus As Low As CAN$340.83
    CAN$340.83
    ALLEN BRADLEY 1492-CB-3-G-050-N

    ALLEN BRADLEY

    1492-CB-3-G-050-N

    1492 ENERGY LIMITING MINIATURE CIRCUIT BREAKER, 3
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$218.45
    CAN$218.45
    Repair Yours CAN$360.00
    ALLEN BRADLEY 1492-CB2G160

    ALLEN BRADLEY

    1492-CB2G160

    DISCONTINUED BY MANUFACTURER 2007-11-30, ENERGY LIMITING MINIATURE CIRCUIT BREAKER, 2POLE, 16A
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$58.93
    CAN$58.93
    ALLEN BRADLEY 1492-CB2-G015

    ALLEN BRADLEY

    1492-CB2-G015

    MINIATURE CIRCUIT BREAKER, 2 POLES, MAGNETIC TRIP RANGE 6...10 X RATED CURRENT (AC), 1.5 A, 1492 ENERGY LIMITING
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$25.78
    CAN$25.78
    Repair Yours CAN$359.51
    ALLEN BRADLEY 1492-CB1H005

    ALLEN BRADLEY

    1492-CB1H005

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 0.5 AMP, 1 POLE, 277 VAC, 1 PH, 1492 ENERGY LIMITING
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$41.53
    CAN$41.53
    ALLEN BRADLEY 1492-CB1G500

    ALLEN BRADLEY

    1492-CB1G500

    DISCONTINUED BY MANUFACTURER 12/01/2007, CIRCUIT BREAKER, 50 AMP, 10 HP, 1 POLE, 277 VAC, MAGNETIC TRIP RANGE 6-10
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$106.36
    CAN$106.36
    SIEMENS 5SX41157

    SIEMENS

    5SX41157

    MINI CIRCUIT BREAKER,1-POLE,1.6A,400V AC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$60.22
    CAN$60.22
    Repair Yours CAN$363.64
    EATON CORPORATION CH115

    EATON CORPORATION

    CUTLER HAMMER

    CH115

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 15 AMP, 1 POLE, 120/240 VAC, DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$11.90
    CAN$11.90
    CHALLENGER BKRA120

    CHALLENGER

    BKRA120

    CIRCUIT BREAKER 20 AMP 1 POLE
    ✓ IN STOCK!
    CAN$55.42 Buy Surplus As Low As CAN$17.63
    CAN$17.63
    EEC AEG ME81S-C13

    EEC AEG

    ME81S-C13

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 13AMP, 1POLE, C-CURVE, 10KA
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$27.67
    CAN$27.67
    SIEMENS 5SX2650-7

    SIEMENS

    5SX2650-7

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 5SX2, 3 POLE + NEUTRAL, 480 VAC, 50 AMP, C TRIP CURVE, (5SX26-C50)
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$257.77
    CAN$257.77
    SIEMENS 5SX2516-7

    SIEMENS

    5SX2516-7

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 5SX2, 1 POLE + NEUTRAL, 277 VAC, 16 AMP, C TRIP CURVE, (5SX25-C16)
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$14.32
    CAN$14.32
    SIEMENS 5SX2510-7

    SIEMENS

    5SX2510-7

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 5SX2, 1 POLE + NEUTRAL, 277 VAC, 10 AMP, C TRIP CURVE, (5SX25-C10)
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$57.28
    CAN$57.28
    SIEMENS 5SX2308-7

    SIEMENS

    5SX2308-7

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 5SX2, 3 POLE, 480 VAC, 8 AMP, C TRIP CURVE, STANDARD, (5SX23-C8)
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$50.12
    CAN$50.12
    SIEMENS 5SX2305-8

    SIEMENS

    5SX2305-8

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 5SX2, 3 POLE, 480 VAC, 0.5 AMP, D TRIP CURVE, HIGH INRUSH, (5SX23-D0.5)
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$40.10
    CAN$40.10
    SIEMENS 5SX2303-7

    SIEMENS

    5SX2303-7

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 5SX2, 3 POLE, 480 VAC, 3 AMP, C TRIP CURVE, STANDARD, (5SX23-C3)
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$50.12
    CAN$50.12
    SIEMENS ED63B015L

    SIEMENS

    SIEMENS INDUSTRY

    ED63B015L

    CIRCUIT BREAKER, LOW VOLTAGE, 15 AMP, 3 POLE, THERMAL MAGNETIC TRIP, 18 KAIC @ 600V, 25 KAIC @ 480V, LINE AND LOAD SIDE LUGS
    ✓ IN STOCK!
    CAN$1,265.07 Buy Surplus As Low As CAN$575.00
    CAN$575.00
    Repair Yours CAN$360.00
    SIEMENS 5SX2205-7

    SIEMENS

    5SX2205-7

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 5SX2, 2 POLE, 480 VAC, 0.5 AMP, C TRIP CURVE, STANDARD, (5SX22-C0.5)
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$16.54
    CAN$16.54
    SIEMENS ED42B015

    SIEMENS

    ITE SIEMENS

    ED42B015

    CIRCUIT BREAKER, ED4 SERIES, 480 VAC, 15 AMP, 2 POLE, 250 VDC CONTROL RANGE
    ✓ IN STOCK!
    CAN$2,423.56 Buy Surplus As Low As CAN$553.76
    CAN$553.76
    Repair Yours CAN$360.00
    SIEMENS ED22B015

    SIEMENS

    ITE SIEMENS

    ED22B015

    CIRCUIT BREAKER, 15 AMP, 2 POLE, 240 VAC
    ✓ IN STOCK!
    CAN$395.23 Buy Surplus As Low As CAN$196.98
    CAN$196.98
    Repair Yours CAN$360.00
    SIEMENS BF1-B030

    SIEMENS

    ITE SIEMENS

    BF1-B030

    MOLDED CASE CIRCUIT BREAKER, GROUND FAULT, TYPE: BQF, 1 POLE, 30 AMPS, 120 VOLTS
    ✓ IN STOCK!
    CAN$572.82 Buy Surplus As Low As CAN$409.15
    CAN$409.15
    Repair Yours CAN$360.00
    SIEMENS 5SG7713

    SIEMENS

    ITE SIEMENS

    5SG7713

    DISCONTINUED BY MANUFACTURER 01/01/2011, SWITCH FUSE, FOR NEOZED FUSE LINK, 2-16 AMP, 1 POLE, 230/400 VAC, DIN RAIL MOUNT, SUCCESSOR: 5SG7611-0KK16
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$23.82
    CAN$23.82
    SIEMENS 3VU1300-2ML00

    SIEMENS

    FURNAS ELECTRIC CO

    3VU1300-2ML00

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 80 AMP, 3 POLE, 415V
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$110.18
    CAN$110.18
    FUJI ELECTRIC EA32-10

    FUJI ELECTRIC

    EA32-10

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 10 AMP, 2 POLE, 220 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$90.15
    CAN$90.15
    SIEMENS 50ZAC2

    SIEMENS

    FURNAS ELECTRIC CO

    50ZAC2

    DISCONTINUED BY MANUFACTURER, PRODUCT DISCONTINUED SINCE: 08/04/2020, CONTACT BLOCK, DUBLEX, PUSH BUTTON KIT, 1NO/1NC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$156.93
    CAN$156.93
    SIEMENS 3RV1921-1M

    SIEMENS

    FURNAS ELECTRIC CO

    3RV1921-1M

    DISCONTINUED BY MANUFACTURER, ALARM SWITCH AUXILIARY CONTACT, 10AMP, 240V, 1NO/1NC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$22.55
    CAN$22.55
    SIEMENS 3RV1915-1C

    SIEMENS

    FURNAS ELECTRIC CO

    3RV1915-1C

    DISCONTINUED BY MANUFACTURER, BUSSBAR, AUXILIARY LINE SIDE FEEDER, W/OUT SIDE MTD ACCESS, 12 POLE, 63AMP, 690V
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$35.40
    CAN$35.40
    SIEMENS 3RV1021-1FA10

    SIEMENS

    FURNAS ELECTRIC CO

    3RV1021-1FA10

    DISCONTINUED BY MANUFACTURER 10/01/2019, CIRCUIT BREAKER, SIZE S0, 3.5-5 AMP, 3 POLE, 400/690 VAC, 50/60 HZ, SCREW TERMINALS, DIN-RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$257.71
    CAN$257.71
    MITSUBISHI NF30-SS-10A

    MITSUBISHI

    NF30-SS-10A

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, AC 220VOLT, 15 AMP, 2 POLE, AC 600V
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$35.80
    CAN$35.80
    Repair Yours CAN$360.00
    MATSUSHITA ELECTRIC BA121505

    MATSUSHITA ELECTRIC

    PANASONIC

    BA121505

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 2.5 KA, 5 AMP, 1 POLE, 220 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$14.52
    CAN$14.52
    IDEC NRBM3100-30A-AA

    IDEC

    NRBM3100-30A-AA

    CIRCUIT BREAKER, NRBM SERIES, ELECTROMAGNETIC TRIPPING, 3 POLES, SERIES TRIP, NO AUX, 30 AMP RATED, AC CURVE
    ✓ IN STOCK!
    CAN$138.91 Buy New CAN$138.91
    CAN$93.08
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