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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 201-250 of 748.
    SIEMENS SCND69100A

    SIEMENS

    SCND69100A

    BRKR CND6 3P 600V 1000A LI
    IN STOCK!
    $36,070.00 Buy Surplus As Low As $21,642.00
    $21,642.00
    Repair Yours $17,963.00
    SIEMENS SHLD69600G

    SIEMENS

    SHLD69600G

    BRKR HLD6 3P 600V 600A LIG
    $17,594.00 Buy Surplus As Low As $10,556.40
    $10,556.40
    Repair Yours $9,223.00
    SIEMENS QJ23B150L

    SIEMENS

    QJ23B150L

    BREAKER, QJ 3P 150A 240V 10KA LUGS
    IN STOCK!
    $951.16 Buy Surplus As Low As $570.70
    $570.70
    Repair Yours $473.68
    SIEMENS QJ23B17501S01

    SIEMENS

    QJ23B17501S01

    BREAKER QJ 3P 175A 240V 10KA ST/AUX
    $2,043.00 Buy Surplus As Low As $1,226.00
    $1,226.00
    Repair Yours $1,018.00
    SIEMENS SCND69120ANTH

    SIEMENS

    SCND69120ANTH

    CIRCUIT BREAKER, CND6 3P 600V 1200A LSI 100
    $34,075.00 Buy Surplus As Low As $20,445.00
    $20,445.00
    Repair Yours $16,970.00
    SIEMENS NJX3B400

    SIEMENS

    NJX3B400

    VL J STD INT BREAKER, BREAKER VL NJG 3P 400A FX
    $20,315.00 Buy Surplus As Low As $12,189.00
    $12,189.00
    Repair Yours $10,117.00
    SIEMENS NGB3B090B

    SIEMENS

    NGB3B090B

    CIRCUIT BREAKER, 90 AMP, 600 V, 3 POLE
    IN STOCK!
    $2,046.75 Buy Surplus As Low As $400.29
    $400.29
    Repair Yours $332.24
    SIEMENS HF325J

    SIEMENS

    HF325J

    400A 3P 240V 3W FUSED HD TYPE 12
    $3,437.00 Buy Surplus As Low As $2,063.00
    $2,063.00
    Repair Yours $1,713.00
    SIEMENS MBKED3

    SIEMENS

    MBKED3

    E-FRAME MAIN/SUB-FEED KIT, PARTS PNLB., 3 PH
    IN STOCK!
    $716.50 Buy Surplus As Low As $361.14
    $361.14
    Repair Yours $336.07
    SIEMENS QJH22B225L

    SIEMENS

    QJH22B225L

    MCCB 225A 2P 240V 22K W/LINE & LOAD LUGS
    IN STOCK!
    $1,220.00 Buy Surplus As Low As $652.86
    $652.86
    Repair Yours $424.18
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