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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 851-900 of 878.
    WESTINGHOUSE MCP23480RC

    WESTINGHOUSE

    MCP23480RC

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 50 AMP, 3 POLE, 600 V, MOTOR PROTECTOR
    ✓ IN STOCK!
    Buy Surplus As Low As $540.78
    $540.78
    WESTINGHOUSE HMCP250F5C

    WESTINGHOUSE

    HMCP250F5C

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, MOLDED CASE, SERIES C, 600 VAC MAX, 250 VDC MAX, 3-POLE, 250 AMP, THERMAL MAGNETIC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,266.58
    $1,266.58
    Repair Yours $690.00
    WESTINGHOUSE FDB2030L

    WESTINGHOUSE

    FDB2030L

    CIRCUIT BREAKER, SERIES C, 30AMP, 2 POLE, 600VAC
    ✓ IN STOCK!
    $1,346.71 Buy Surplus As Low As $471.24
    $471.24
    Repair Yours $434.59
    SIEMENS BQCH3-B020

    SIEMENS

    ITE SIEMENS

    BQCH3-B020

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 20AMPS, 3POLE, 277/480VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $309.63
    $309.63
    SIEMENS 5SX2320-7

    SIEMENS

    ITE SIEMENS

    5SX2320-7

    DISCONTINUED BY MANUFACTURER, DISCONTINUED SINCE: 01.10.2020, MINIATURE CIRCUIT BREAKER, 20 AMP, 3 POLE, 480 VAC, C-CURVE, 6 KA
    ✓ IN STOCK!
    Buy Surplus As Low As $102.21
    $102.21
    SIEMENS 3VL1706-1DD33-0AA0

    SIEMENS

    3VL1706-1DD33-0AA0

    CIRCUIT BREAKER, 3 POLE, 63 AMP, 55 KA
    ✓ IN STOCK!
    Buy Surplus As Low As $272.16
    $272.16
    Repair Yours $300.00
    SIEMENS LD63T600

    SIEMENS

    ITE SIEMENS

    LD63T600

    CIRCUIT BREAKER TRIP UNIT, SENTRON SERIES, 600 AMP MIN / MAX, TYPE LD, 600 V, 3 POLE
    ✓ IN STOCK!
    $1,250.73 Buy Surplus As Low As $803.25
    $803.25
    Repair Yours $533.36
    SIEMENS JL3F400

    SIEMENS

    ITE SIEMENS

    JL3F400

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, THERMAL MAGNETIC, MOLDED CASE, 400AMP, 3POLE, FRAME ONLY
    ✓ IN STOCK!
    Buy Surplus As Low As $798.83
    $798.83
    SIEMENS HED43B125

    SIEMENS

    HED43B125

    MOLDED CASE CIRCUIT BREAKER, SENTRON SERIES, THERMAL MAHNETIC, HIGH IC RATING, TYPE ED, 480 VAC, 3 POLE, STANDARD 40 DEGREES C BREAKER, 125 AMP
    ✓ IN STOCK!
    $1,331.67 Buy Surplus As Low As $563.89
    $563.89
    Repair Yours $300.00
    SIEMENS HE3-B015

    SIEMENS

    ITE SIEMENS

    HE3-B015

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 15 AMP, 3 POLE, 600 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $474.39
    $474.39
    Repair Yours $374.00
    ALLEN BRADLEY 1404-M405A-RIO

    ALLEN BRADLEY

    1404-M405A-RIO

    DISCONTINUED BY MANUFACTURER, POWER MONITOR, 3000 MASTER MODULE, 3-PHASE, 5 AMP,120V/240 VAC, 125V/250 VDC, 50/60 HZ SETPOINTS AND I/O, DATA LOGGING, REMOTE I/O INTERFACE
    ✓ IN STOCK!
    Buy Surplus As Low As $1,019.70
    $1,019.70
    Repair Yours $813.70
    ALLEN BRADLEY 198-H2

    ALLEN BRADLEY

    198-H2

    CIRCUIT BREAKER MECHANISM,ROTARY OPERATED,150 A FRAME SIZE,FRAME DESIGNATION EDH,FD,FDB,FB C,HFD,HMCP
    ✓ IN STOCK!
    Buy Surplus As Low As $69.00
    $69.00
    ALLEN BRADLEY 1492-GS1G020

    ALLEN BRADLEY

    1492-GS1G020

    HIGH DENSITY MINI CIRCUIT BREAKERS (TOGGLE STYLE), 1 POLE, G-TRIP CHARACTERISTICS - INDUCTIVE LOADS (AC), 2.0 AMP RATING
    ✓ IN STOCK!
    Buy Surplus As Low As $57.62
    $57.62
    ALLEN BRADLEY 1492-GS1G015

    ALLEN BRADLEY

    1492-GS1G015

    HIGH DENSITY MINI CIRCUIT BREAKERS, 1492-GS SERIES, (TOGGLE STYLE), 1 POLE, G-TRIP CHARACTERISTICS - INDUCTIVE LOADS (AC), 1.5 AMP RATING
    ✓ IN STOCK!
    Buy Surplus As Low As $66.34
    $66.34
    ALLEN BRADLEY 1492-GS1G010

    ALLEN BRADLEY

    1492-GS1G010

    MINI CIRCUIT BREAKERS, (TOGGLE STYLE), HIGH DENSITY, 1 POLE, G-TRIP CHARACTERISTICS - INDUCTIVE LOADS (AC), 1.0 AMP RATING
    ✓ IN STOCK!
    Buy Surplus As Low As $57.00
    $57.00
    ALLEN BRADLEY 1492-GH150

    ALLEN BRADLEY

    1492-GH150

    CIRCUIT BREAKER, MINIATURE, 15 AMP, 1 POLE, 125 VAC, 50/60 HZ, 65 VDC, DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $59.74
    $59.74
    ALLEN BRADLEY 140T60

    ALLEN BRADLEY

    140T60

    DISCONTINUED BY MANUFACTURER, BUSBAR SUPPORT, 60 MM, 3 POLE CENTER SPACING
    ✓ IN STOCK!
    Buy Surplus As Low As $17.71
    $17.71
    ALLEN BRADLEY 140M-F8N-C45

    ALLEN BRADLEY

    140M-F8N-C45

    DISCONTINUED BY MANUFACTURER 07/26/2023, MOTOR CIRCUIT PROTECTOR, 140M, FRAME F, RATING - 45 AMP, HIGH BREAK, FIXED MAG ONLY, RANGE - 32-45 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $1,247.35
    $1,247.35
    Repair Yours $1,000.00
    ALLEN BRADLEY 140M-F8E-C10

    ALLEN BRADLEY

    140M-F8E-C10

    DISCONTINUED BY MANUFACTURER 12/31/2024, CIRCUIT BREAKER, MOTOR PROTECTION, 140M, FRAME F, ADJUSTABLE THERMAL RANGE 6.3-10 AMP, 45 AMP RATING, 480 VAC (60 HZ), HIGH BREAK
    ✓ IN STOCK!
    Buy Surplus As Low As $389.65
    $389.65
    ALLEN BRADLEY 140M-D8E-B63

    ALLEN BRADLEY

    140M-D8E-B63

    DISCONTINUED BY MANUFACTURER 02/25/2022, CIRCUIT BREAKER, MOTOR PROTECTION, 140M, FRAME D, RATING - 32 AMP, HIGH BREAK, ADJ THERMAL/ FIXED MAG, RANGE - 4-6.3 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $469.36
    $469.36
    Repair Yours $389.57
    WESTINGHOUSE EHB3015

    WESTINGHOUSE

    EHB3015

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, THERMAL MAGNETIC TRIP, 3-POLE, 480 VAC, 15 AMP, BOLT-ON CONNECTION
    ✓ IN STOCK!
    Buy Surplus As Low As $76.80
    $76.80
    WESTINGHOUSE EH3030

    WESTINGHOUSE

    EH3030

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 30AMP, 3POLE, 480VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $223.74
    $223.74
    Repair Yours $200.00
    WESTINGHOUSE MCP331000CR

    WESTINGHOUSE

    MCP331000CR

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 100 AMP, 3 POLE, 600 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $364.91
    $364.91
    Repair Yours $322.21
    WESTINGHOUSE KD3400F

    WESTINGHOUSE

    KD3400F

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER FRAME, SERIES C, K FRAME, FRAME ONLY, 3 PHASE, 3 POLE, 400 AMP RATING, 600 VAC, BOLT-ON, THERMAL MAGNETIC, (REPLACED BY EATON KD3400F)
    ✓ IN STOCK!
    Buy Surplus As Low As $1,559.54
    $1,559.54
    Repair Yours $595.00
    WESTINGHOUSE JD3250F

    WESTINGHOUSE

    JD3250F

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 250 AMP, 600 VAC, 3 POLE, SERIES NEMA J-FRAME, FRAME ONLY, TYPE JD, CABLE IN/CABLE OUT, 35 KAIC, 250 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,080.00
    $1,080.00
    Repair Yours $750.00
    WESTINGHOUSE HMCP015E0C

    WESTINGHOUSE

    HMCP015E0C

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, THERMAL MAGNETIC, MOLDED CASE, 15 AMP, 3 POLE, 250 VDC, 600 VAC, PANEL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $263.27
    $263.27
    Repair Yours $300.00
    WESTINGHOUSE HFD3125

    WESTINGHOUSE

    HFD3125

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, TYPE HFD, 3 POLE, 3 PHASE, 125 AMP, 600V, 65KAIC @ 480V, BOLT-ON, NON-INTERCHANGEABLE TRIP, LOAD SIDE LUG TERMINALS, THERMAL MAGNETIC
    ✓ IN STOCK!
    Buy Surplus As Low As $916.27
    $916.27
    Repair Yours $894.71
    WESTINGHOUSE EHD3060L

    WESTINGHOUSE

    EHD3060L

    DISCONTINUED BY MANUFACTURER, MOLDED CASE CIRCUIT BREAKER, F-FRAME, EHD, COMPLETE BREAKER, FIXED THERMAL, FIXED MAGNETIC TRIP TYPE, THREE-POLE, 60A, 18 KAIC AT 240 VAC, 14 KAIC AT 480 VAC, L ...
    ✓ IN STOCK!
    Buy Surplus As Low As $608.10
    $608.10
    Repair Yours $504.72
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