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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 451-500 of 833.
    SIEMENS NMX3B600L

    SIEMENS

    NMX3B600L

    VL M STD INT BREAKER, BREAKER VL NMG 3P 600A FX LUG
    $31,014.00 Buy Surplus As Low As $18,609.00
    $18,609.00
    Repair Yours $15,446.00
    SIEMENS QJ23B060

    SIEMENS

    ITE SIEMENS

    QJ23B060

    CIRCUIT BREAKER, QJ, 240V, 60 AMP
    IN STOCK!
    $873.00 Buy Surplus As Low As $524.00
    $524.00
    Repair Yours $450.00
    SIEMENS SCND69100A

    SIEMENS

    SCND69100A

    BRKR CND6 3P 600V 1000A LI
    $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
    $18,520.00 Buy Surplus As Low As $11,112.00
    $11,112.00
    Repair Yours $9,223.00
    SIEMENS N16SPD

    SIEMENS

    N16SPD

    GENERAL ACCES (LUGS), BREAKER SPD 1600A NEUT TRANSFORMER
    $1,609.00 Buy Surplus As Low As $966.00
    $966.00
    Repair Yours $802.00
    SIEMENS Q325H

    SIEMENS

    Q325H

    3-POLE 22K AIC, BREAKER 25A 3P 240V 22K QPH
    $380.00 Buy Surplus As Low As $228.00
    $228.00
    Repair Yours $200.00
    SIEMENS S15FD60

    SIEMENS

    S15FD60

    GENERAL ACCES (LUGS), BREAKER FD 277VAC ST
    $1,816.00 Buy Surplus As Low As $1,090.00
    $1,090.00
    Repair Yours $905.00
    SIEMENS S15JLD6

    SIEMENS

    S15JLD6

    GENERAL ACCES (LUGS), BREAKER JD/LD/LMD 277VAC ST
    $1,947.00 Buy Surplus As Low As $1,169.00
    $1,169.00
    Repair Yours $971.00
    SIEMENS NGB3B090

    SIEMENS

    NGB3B090

    NGB STD INT BREAKER LOW, BREAKER NGB 90A 3P 480Y 25K NO LUG
    $2,592.00 Buy Surplus As Low As $1,556.00
    $1,556.00
    Repair Yours $1,292.00
    SIEMENS NGB3B110

    SIEMENS

    NGB3B110

    NGB STD INT BREAKER LOW, BREAKER NGB 110A 3P 480Y 25K NO LUG
    $5,651.00 Buy Surplus As Low As $3,391.00
    $3,391.00
    Repair Yours $2,815.00
    SIEMENS Q210

    SIEMENS

    Q210

    2-POLE 15-60A 10K, BREAKER 10A 2P 120/240V 10K QP
    $21.00 Buy Surplus As Low As $12.60
    $12.60
    Repair Yours $200.00
    SIEMENS Q22015CT

    SIEMENS

    Q22015CT

    CIRCUIT BREAKER (2) 20AMP 1POLE / (1) 15AMP 2POLE 10K QT
    $68.00 Buy Surplus As Low As $41.00
    $41.00
    Repair Yours $200.00
    SIEMENS S04JLD6

    SIEMENS

    S04JLD6

    CIRCUIT BREAKER, MOLDED CASE, 480 V, SHUNT TRIP
    $661.50 Buy Surplus As Low As $396.90
    $396.90
    Repair Yours $329.43
    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 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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