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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 651-700 of 841.
    SIEMENS QJ23B150L

    SIEMENS

    QJ23B150L

    BREAKER, QJ 3P 150A 240V 10KA LUGS
    $1,428.00 Buy Surplus As Low As $857.00
    $857.00
    Repair Yours $712.00
    SIEMENS QJ23B17501S01

    SIEMENS

    QJ23B17501S01

    BREAKER QJ 3P 175A 240V 10KA ST/AUX
    $1,984.00 Buy Surplus As Low As $1,191.00
    $1,191.00
    Repair Yours $989.00
    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 NGG3B125L

    SIEMENS

    NGG3B125L

    NGG STD INT BREAKER, BREAKER NGG 125A 3P 480V 25K LUGS
    IN STOCK!
    $2,735.00 Buy Surplus As Low As $1,641.00
    $1,641.00
    Repair Yours $1,363.00
    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 S15MN6

    SIEMENS

    S15MN6

    GENERAL ACCES (LUGS), BREAKER MD/ND/PD/RD 277VAC ST
    $1,674.00 Buy Surplus As Low As $1,005.00
    $1,005.00
    Repair Yours $835.00
    SIEMENS SCJD69400NGT

    SIEMENS

    SCJD69400NGT

    BREAKER, CJD6 3P 600V 400A LSIG
    $20,054.00 Buy Surplus As Low As $12,033.00
    $12,033.00
    Repair Yours $9,988.00
    SIEMENS U13ED62A

    SIEMENS

    U13ED62A

    GENERAL ACCES (LUGS), BREAKER ED 24VDC UV TRP/AUX
    $2,748.00 Buy Surplus As Low As $1,649.00
    $1,649.00
    Repair Yours $1,369.00
    SIEMENS SMD69800ANTH

    SIEMENS

    SMD69800ANTH

    BREAKER, MD6 3P 600V 800A LSI 100
    $14,772.00 Buy Surplus As Low As $8,864.00
    $8,864.00
    Repair Yours $7,358.00
    SIEMENS TA6R600

    SIEMENS

    TA6R600

    GENERAL ACCES (LUGS), BREAKER PD/RD AL BODY LUG 6W 600KCMIL
    $682.00 Buy Surplus As Low As $410.00
    $410.00
    Repair Yours $341.00
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