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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 351-400 of 843.
    SIEMENS HMX3B700L

    SIEMENS

    HMX3B700L

    VL M HIGH INT BREAKER, BREAKER VL HMG 3P 700A FX LUG
    $7,875.00 Buy Surplus As Low As $4,725.00
    $4,725.00
    Repair Yours $3,921.75
    SIEMENS JXD63B250

    SIEMENS

    ITE SIEMENS

    JXD63B250

    CIRCUIT BREAKER, 250AMP, 3-POLE, 25KA, 600V
    IN STOCK!
    $2,604.00 Buy Surplus As Low As $2,473.80
    $2,473.80
    Repair Yours $1,296.79
    SIEMENS NXD63B120H

    SIEMENS

    NXD63B120H

    NXD63B120H CIRCUIT BREAKER, 1200A, NXD, CIRCUIT BREAKER, 600V, 1200 AMP
    $37,188.00 Buy Surplus As Low As $22,313.00
    $22,313.00
    Repair Yours $18,520.00
    SIEMENS QN2200RH

    SIEMENS

    QN2200RH

    BREAKER, 200A 2P 120/240V 22K QNRHBREAKER,
    IN STOCK!
    $252.00 Buy Surplus As Low As $152.00
    $152.00
    Repair Yours $200.00
    SIEMENS SLD69500NGT

    SIEMENS

    ITE SIEMENS

    SLD69500NGT

    CIRCUIT BREAKER, LD6 3P 600V 500A LSIG
    $29,001.00 Buy Surplus As Low As $17,401.00
    $17,401.00
    Repair Yours $14,443.00
    SIEMENS NMX3B800L

    SIEMENS

    NMX3B800L

    VL M STD INT BREAKER, BREAKER VL NMG 3P 800A FX LUG
    $9,030.00 Buy Surplus As Low As $5,418.00
    $5,418.00
    Repair Yours $4,496.94
    SIEMENS ED62B050

    SIEMENS

    ITE SIEMENS

    ED62B050

    CIRCUIT BREAKER, 600V, 50 AMP, TYPE ED
    $472.00 Buy Surplus As Low As $284.00
    $284.00
    Repair Yours $250.00
    SIEMENS ED62B060L

    SIEMENS

    ITE SIEMENS

    ED62B060L

    CIRCUIT BREAKER 60AMP 2POLE 600V 18KA LUGS
    $731.00 Buy Surplus As Low As $439.00
    $439.00
    Repair Yours $365.00
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