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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 151-200 of 774.
    GENERAL ELECTRIC TEY340ST6

    GENERAL ELECTRIC

    TEY340ST6

    CIRCUIT BREAKER 3 P40A BOLT-ON WITH CONDUIT HUB
    $287.00 Buy Surplus As Low As $172.00
    $172.00
    Repair Yours $200.00
    WESTINGHOUSE QC15

    WESTINGHOUSE

    QC15

    CIRCUIT BREAKER 15AMP 1POLE 120VAC
    Buy Surplus As Low As $24.00
    $24.00
    Repair Yours Contact Us
    WESTINGHOUSE HKB3250T

    WESTINGHOUSE

    HKB3250T

    TRIP UNIT 250AMP 3POLE J-FRAME
    IN STOCK!
    Buy Surplus As Low As $1,297.51
    $1,297.51
    Repair Yours $1,290.82
    ASEA BROWN BOVERI S3L005MW

    ASEA BROWN BOVERI

    S3L005MW

    MCP S3L 5A 3P
    $995.00 Buy Surplus As Low As $597.00
    $597.00
    Repair Yours $496.00
    ASEA BROWN BOVERI S3L010MW

    ASEA BROWN BOVERI

    S3L010MW

    MCP S3L 10A 3P
    Buy Surplus As Low As $750.00
    $750.00
    Repair Yours $640.00
    ASEA BROWN BOVERI BES750-30

    ASEA BROWN BOVERI

    BES750-30

    (PRICE/EA) PH TO PH CONNECTION KITS
    IN STOCK!
    $444.00 Buy Surplus As Low As $239.76
    $239.76
    Repair Yours $221.11
    SIEMENS BQ2B110

    SIEMENS

    BQ2B110

    CIRCUIT BREAKER, 110A, BQ, 240V, 110 AMP
    $171.47 Buy Surplus As Low As $102.88
    $102.88
    Repair Yours Contact Us
    SIEMENS BQ3B020L

    SIEMENS

    BQ3B020L

    BREAKERR BQ 3P 240V 20A 10K LUG, 3-POLE 10K AIC
    IN STOCK!
    $777.00 Buy Surplus As Low As $467.00
    $467.00
    Repair Yours $388.00
    SIEMENS CJT3B250

    SIEMENS

    CJT3B250

    BREAKER, 3P, 250A, J-FR, TM TU, VL TM TRIP UNITS
    $6,157.00 Buy Surplus As Low As $3,695.00
    $3,695.00
    Repair Yours $3,067.00
    ASEA BROWN BOVERI S3N090TW-2

    ASEA BROWN BOVERI

    S3N090TW-2

    BKR S3N 90A 2P
    IN STOCK!
    $774.84 Buy Surplus As Low As $529.99
    $529.99
    Repair Yours $385.87
    ASEA BROWN BOVERI S3N125TW-2

    ASEA BROWN BOVERI

    S3N125TW-2

    BKR S3N 125A 2P
    $2,547.00 Buy Surplus As Low As $1,529.00
    $1,529.00
    Repair Yours $1,270.00
    ASEA BROWN BOVERI S3B225TW-2

    ASEA BROWN BOVERI

    S3B225TW-2

    BKR S3B 225A 2P THERM/MAG
    $1,288.00 Buy Surplus As Low As $773.00
    $773.00
    Repair Yours $642.00
    ASEA BROWN BOVERI T5H400DW-4

    ASEA BROWN BOVERI

    T5H400DW-4

    T5H-D 400 MCS-UL/CSA IM=5000 4P F F
    $3,596.00 Buy Surplus As Low As $1,702.00
    $1,702.00
    Repair Yours $1,413.00
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