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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 401-450 of 872.
    SIEMENS 3VF3111-5DQ71-0AB1

    SIEMENS

    3VF3111-5DQ71-0AB1

    DISCONTINUED BY MANUFACTURER SINCE: 10.17.2014, CIRCUIT BREAKER, 3VF3, 3 POLE, FOR MOTOR PROTECTION IR = 80-100 AMP, ICU=40 KA/415V W/ OVERCURRENT RELEASE AN N-REL 15 X IN, W/O PHASE FAILURE ...
    ✓ IN STOCK!
    Buy Surplus As Low As $800.00
    $800.00
    Repair Yours $664.00
    EATON CORPORATION 2LCL150

    EATON CORPORATION

    CUTLER HAMMER

    2LCL150

    EATON MOLDED CASE CIRCUIT BREAKER ACCESSORY RATING PLUG
    ✓ IN STOCK!
    $488.40 Buy Surplus As Low As $274.67
    $274.67
    EATON CORPORATION CH2100

    EATON CORPORATION

    CUTLER HAMMER

    CH2100

    CIRCUIT BREAKER, MINIATURE, 10 K, 100 AMP, 2 POLE, 120/240 VAC, PLUG ON MOUNT
    ✓ IN STOCK!
    $144.57 Buy Surplus As Low As $63.72
    $63.72
    EATON CORPORATION CA3225

    EATON CORPORATION

    CUTLER HAMMER

    CA3225

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 225AMP, 3POLE, 240VAC,MOLDED CASE
    ✓ IN STOCK!
    Buy Surplus As Low As $1,415.59
    $1,415.59
    Repair Yours $1,174.94
    EATON CORPORATION A2X1RPK

    EATON CORPORATION

    CUTLER HAMMER

    A2X1RPK

    AUXILIARY SWITCH, CIRCUIT BREAKER ACCESSORY, A2X AUXILIARY SWITCH FACTORY INSTALLATION KIT, PIGTAIL LEADS, FOR TYPE F-FRAME, FRAME J-K, SERIES C, 2A-2B, RIGHT-HAND MOUNTING, 600 VAC, 50/60 H ...
    ✓ IN STOCK!
    $327.94 Buy Surplus As Low As $249.24
    $249.24
    EATON CORPORATION 8MC600

    EATON CORPORATION

    CUTLER HAMMER

    8MC600

    (PRICE/EA), RATING PLUG, TYPE MC, FIXED, 600A, 8MC600
    ✓ IN STOCK!
    $261.88 Buy Surplus As Low As $157.13
    $157.13
    ASEA BROWN BOVERI S3N150TW

    ASEA BROWN BOVERI

    S3N150TW

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, SIZE S3N, SACE S3 SERIES, 150 AMP, 3 POLE , 600 VAC - 600 VDC, 3 POLE
    ✓ IN STOCK!
    Buy Surplus As Low As $1,205.71
    $1,205.71
    Repair Yours $1,000.74
    ASEA BROWN BOVERI S273-K20

    ASEA BROWN BOVERI

    S273-K20

    CIRCUIT BREAKER, 20 AMP, 3 POLE, 277/480 VAC, K-CURVE, DIN RAIL MOUNT, IP20
    ✓ IN STOCK!
    $246.00 Buy Surplus As Low As $57.60
    $57.60
    ASEA BROWN BOVERI S263-D6

    ASEA BROWN BOVERI

    S263-D6

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 6 AMP, 3 POLE, 50/60 HZ, D-CURVE, DIN RAIL MOUNT, SCREW TERMINAL
    ✓ IN STOCK!
    Buy Surplus As Low As $40.00
    $40.00
    WESTINGHOUSE LA3400F

    WESTINGHOUSE

    LA3400F

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 400 AMP, 3 POLE, 600 VAC FRAME ONLY
    ✓ IN STOCK!
    Buy Surplus As Low As $500.21
    $500.21
    Repair Yours $460.65
    WESTINGHOUSE HMCP100R3C

    WESTINGHOUSE

    HMCP100R3C

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 100 AMP, 3 POLE, 600 VAC, 250 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $906.80
    $906.80
    Repair Yours $778.00
    WESTINGHOUSE HMCP003A0C

    WESTINGHOUSE

    HMCP003A0C

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, MOLDED CASE, SERIES C, 600 VAC MAX, 250 VDC MAX, 3-POLE, 3 AMP, THERMAL MAGNETIC
    ✓ IN STOCK!
    Buy Surplus As Low As $281.75
    $281.75
    Repair Yours $300.00
    WESTINGHOUSE FB3150L

    WESTINGHOUSE

    FB3150L

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, TYPE FB, 3 POLE, 3 PHASE, 150 AMP, 600V, 14KAIC @ 480V, FEED-THRU, LINE & LOAD SIDE LUG TERMINALS, THERMAL MAGNETIC
    ✓ IN STOCK!
    Buy Surplus As Low As $671.00
    $671.00
    Repair Yours $593.83
    ALLEN BRADLEY 1492-GHD030

    ALLEN BRADLEY

    1492-GHD030

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 3 AMP, 2 POLE, 250 VAC / 65 VDC, DIN RAIL MOUNTABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $38.50
    $38.50
    ALLEN BRADLEY 1492-GHD020

    ALLEN BRADLEY

    1492-GHD020

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 2AMP, 250VAC/65VDC,DIN RAIL
    ✓ IN STOCK!
    Buy Surplus As Low As $34.02
    $34.02
    EATON CORPORATION MCP331000CR

    EATON CORPORATION

    CUTLER HAMMER

    MCP331000CR

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, MCP SERIES,100 AMP, 3 POLE, 600 V, BOLT-ON, W/ MANUAL TRIP MAGNETIC RANGE 275-1000 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $109.99
    $109.99
    Repair Yours $300.00
    EATON CORPORATION KPRL4FD

    EATON CORPORATION

    CUTLER HAMMER

    KPRL4FD

    CONNECTOR KIT, FOR TWIN MTD, 3 POLE, EHD/FD/FDB/HFD/FDC BREAKERS, PRL4
    ✓ IN STOCK!
    $461.29 Buy Surplus As Low As $274.00
    $274.00
    SIEMENS CQD215

    SIEMENS

    ITE SIEMENS

    CQD215

    CIRCUIT BREAKER, 15AMP, 2 POLE, 480/277V, 14KA, DIN
    ✓ IN STOCK!
    $234.84 Buy Surplus As Low As $65.03
    $65.03
    Repair Yours $300.00
    SIEMENS QJ23B100

    SIEMENS

    ITE SIEMENS

    QJ23B100

    CIRCUIT BREAKER, MOLDED CASE CIRCUIT BREAKER, QJ FRAME,100A, 240V
    ✓ IN STOCK!
    $681.80 Buy Surplus As Low As $454.54
    $454.54
    Repair Yours $377.27
    SIEMENS EF3-L050

    SIEMENS

    ITE SIEMENS

    EF3-L050

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, EF-TYPE FRAME, 3-POLE, 50 AMP RATING, 480 VAC RATING
    ✓ IN STOCK!
    Buy Surplus As Low As $624.22
    $624.22
    Repair Yours $504.97
    SIEMENS QJ23B200

    SIEMENS

    ITE SIEMENS

    QJ23B200

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, QJ FRAME, TYPE QJ2, 3 POLE, 200 AMP, 240V, 10KA @ 240V, BOLT-ON
    ✓ IN STOCK!
    $2,016.58 Buy Surplus As Low As $734.46
    $734.46
    Repair Yours $300.00
    SIEMENS QE120

    SIEMENS

    ITE SIEMENS

    QE120

    QE120 CIRCUIT BREAKER, 20A, QE, CIRCUIT BREAKER, 240V, 20 AMP
    ✓ IN STOCK!
    $96.24 Buy Surplus As Low As $73.14
    $73.14
    Repair Yours $300.00
    SIEMENS P2100

    SIEMENS

    ITE SIEMENS

    P2100

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 100AMP, 2 POLE, PUSHMATIC
    ✓ IN STOCK!
    $297.95 Buy Surplus As Low As $179.47
    $179.47
    Repair Yours $300.00
    SIEMENS 3RV1421-1GA10

    SIEMENS

    FURNAS ELECTRIC CO

    3RV1421-1GA10

    DISCONTINUED BY MANUFACTURER 10/01/2019, CIRCUIT BREAKER, SIZE S0, FOR TRANSFORMER PROTECTION A-RELEASE, 4.5-6.3 AMP, SCREW TERMINAL, STANDARD SWITCHING CAPACITY, 3RV1421-1GA10 IS REPLACED B ...
    ✓ IN STOCK!
    Buy Surplus As Low As $198.63
    $198.63
    SIEMENS 3RV1042-4KA10

    SIEMENS

    FURNAS ELECTRIC CO

    3RV1042-4KA10

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 75AMP, 3POLE, 3PHASE, 690V, 50/60HZ, 100KA, SCREW TERMINAL, SIZE3, FOR MOTOR PROTECTION
    ✓ IN STOCK!
    Buy Surplus As Low As $607.82
    $607.82
    Repair Yours $504.49
    SIEMENS 3RV1021-4DA10

    SIEMENS

    FURNAS ELECTRIC CO

    3RV1021-4DA10

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, STARTER MOTOR PROTECTOR, SIZE S0, CLASS 10, 20-25 AMP, SCREW TERMINAL, STANDARD SWITCHING CAPACITY, SUCCESSOR IS 3RV2021-4DA10
    ✓ IN STOCK!
    Buy Surplus As Low As $187.46
    $187.46
    Repair Yours $200.00
    SIEMENS 3RV1021-4CA10

    SIEMENS

    FURNAS ELECTRIC CO

    3RV1021-4CA10

    DISCONTINUED BY MANUFACTURER 01/10/2019, CIRCUIT BREAKER, FOR MOTOR PROTECTION, 17-22 AMP SHORT-CIRCUIT RELEASE, CLASS 10, SCREW TERMINAL, STANDARD SWITCHING CAPACITY, REPLACED BY 3RV2021-4C ...
    ✓ IN STOCK!
    Buy Surplus As Low As $200.58
    $200.58
    Repair Yours $200.00
    SIEMENS 3RV1021-1KA10

    SIEMENS

    FURNAS ELECTRIC CO

    3RV1021-1KA10

    DISCONTINUED BY MANUFACTURER 10/01/2019, CIRCUIT BREAKER, MOTOR PROTECTOR, 9/12.5 AMP, 3 POLE, 400/690 VAC, 50/60 HZ, SIZE S0, SUCCESSOR IS SIRIUS 3RV2, PREFERRED SUCCESSOR TYPE IS 3RV2011-1 ...
    ✓ IN STOCK!
    Buy Surplus As Low As $122.96
    $122.96
    Repair Yours $300.00
    GENERAL ELECTRIC V37310

    GENERAL ELECTRIC

    V37310

    CIRCUIT BREAKER VLINE 3POLE
    ✓ IN STOCK!
    $188.16 Buy Surplus As Low As $114.87
    $114.87
    Repair Yours Contact Us
    FEDERAL PACIFIC ELECTRIC NJL631400

    FEDERAL PACIFIC ELECTRIC

    NJL631400

    DISCONTINUED BY MANUFACTURER, MOLDED CASE CIRCUIT BREAKER, 400AMP, 3POLE, 600VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $71.99
    $71.99
    Repair Yours $300.00
    FEDERAL PACIFIC ELECTRIC NEF431100

    FEDERAL PACIFIC ELECTRIC

    NEF431100

    CIRCUIT BREAKER, VOLTAGE RATING: 480VAC, CURRENT RATING: 100AMP, 3 POLE
    ✓ IN STOCK!
    $788.21 Buy Surplus As Low As $472.93
    $472.93
    Repair Yours $428.00
    EATON CORPORATION EHD3015

    EATON CORPORATION

    CUTLER HAMMER

    EHD3015

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 480 VAC, 250 VDC, 3-POLE, 15 AMP, LOAD SIDE LUGS ONLY
    ✓ IN STOCK!
    $707.19 Buy Surplus As Low As $302.69
    $302.69
    Repair Yours $251.23
    EATON CORPORATION CHB115GF

    EATON CORPORATION

    CUTLER HAMMER

    CHB115GF

    CIRCUIT BREAKER, 15AMP, 1POLE, GROUND FAULT INTERRUPT
    ✓ IN STOCK!
    $158.70 Buy Surplus As Low As $119.03
    $119.03
    Repair Yours $300.00
    GENERAL ELECTRIC V37316

    GENERAL ELECTRIC

    V37316

    CIRCUIT BREAKER 16AMP 3POLE
    ✓ IN STOCK!
    $160.56 Buy Surplus As Low As $62.58
    $62.58
    EATON CORPORATION ND312WK

    EATON CORPORATION

    CUTLER HAMMER

    ND312WK

    MOLDED CASE SWITCH, ND, 3-POLE, 1200 A
    ✓ IN STOCK!
    $28,410.35 Buy Surplus As Low As $1,956.88
    $1,956.88
    Repair Yours $1,624.21
    EATON CORPORATION KDC3400

    EATON CORPORATION

    CUTLER HAMMER

    KDC3400

    CIRCUIT BREAKER, SERIES C, TYPE KDC, K FRAME, 3 POLE, 3 PHASE, 400A, 600V, 100KA @ 480V, LI TRIP, FEED-THRU, THERMAL MAGNETIC
    ✓ IN STOCK!
    $4,953.14 Buy Surplus As Low As $2,340.99
    $2,340.99
    Repair Yours $1,943.02
    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 $26.62
    $26.62
    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 $36.00
    $36.00
    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 $49.40
    $49.40
    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 $20.80
    $20.80
    ASEA BROWN BOVERI S271-KS15

    ASEA BROWN BOVERI

    S271-KS15

    CIRCUIT BREAKER 15AMP 1POLE 277/480VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $22.31
    $22.31
    ASEA BROWN BOVERI S271-K16

    ASEA BROWN BOVERI

    S271-K16

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 16 AMP, 1 POLE, 230/400V AC, K-CURVE, DIN-RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $32.25
    $32.25
    ASEA BROWN BOVERI S263D25

    ASEA BROWN BOVERI

    S263D25

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 25 AMP, 3 POLE, 400 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $67.83
    $67.83
    ASEA BROWN BOVERI S261-B6

    ASEA BROWN BOVERI

    S261-B6

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 6AMP, 1P, 480VAC, B-CURVE
    ✓ IN STOCK!
    Buy Surplus As Low As $25.43
    $25.43
    ASEA BROWN BOVERI S261-B16

    ASEA BROWN BOVERI

    S261-B16

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 16 AMP, 1 POLE, 230/400VAC, B-CURVE
    ✓ IN STOCK!
    Buy Surplus As Low As $9.08
    $9.08
    ASEA BROWN BOVERI S203P-K10

    ASEA BROWN BOVERI

    S203P-K10

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 10 AMP, 3 POLE, 400 VAC, 50/60 HZ, K-CURVE, SCREW TERMINALS, (2CDS283001R0427)
    ✓ IN STOCK!
    $22.77 Buy Surplus As Low As $15.12
    $15.12
    ASEA BROWN BOVERI S202-C16

    ASEA BROWN BOVERI

    S202-C16

    CIRCUIT BREAKER, MINIATURE, 16 AMP, 2 POLE, 400 VAC, 50/60 HZ, C-CURVE, 4 KV, SCREW TYPE TERMINAL, DIN RAIL MOUNT, (2CDS252001R0164)
    ✓ IN STOCK!
    $122.00 Buy Surplus As Low As $54.45
    $54.45
    ALLEN BRADLEY 1492-MCAA115

    ALLEN BRADLEY

    1492-MCAA115

    CIRCUIT BREAKER, 15 AMPS, 120/240 VAC, 1 POLE, DIN RAIL MOUNTING
    ✓ IN STOCK!
    Buy Surplus As Low As $52.39
    $52.39
    ALLEN BRADLEY 1492-IFM40F-F24-2

    ALLEN BRADLEY

    1492-IFM40F-F24-2

    INTERFACE MODULE, 1492 SERIES, 12 AMP, 24 VAC/DC, 40 POINT, 24 VAC/DC, ISOLATED, DIGITAL, FUSIBLE, BLOWN FUSE INDICATORS, EXTRA TERMINALS FOR OUTPUTS
    ✓ IN STOCK!
    Buy Surplus As Low As $150.00
    $150.00
    ALLEN BRADLEY 1492-ACBA5

    ALLEN BRADLEY

    1492-ACBA5

    DISCONTINUED BY MANUFACTURER 12/30/2009, MODULE, ACCESSORY FOR CIRCUIT BREAKER
    ✓ IN STOCK!
    Buy Surplus As Low As $86.74
    $86.74
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