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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 906.
    SCHNEIDER ELECTRIC 23562

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    23562

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 40AMP, 1POLE, 230-400V, 50/60HZ, BCURVE
    ✓ IN STOCK!
    Buy Surplus As Low As $3.94
    $3.94
    SCHNEIDER ELECTRIC 23560

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    23560

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 60AMP, 1POLE, 230/400V, 50/60HZ, BCURVE
    ✓ IN STOCK!
    Buy Surplus As Low As $9.91
    $9.91
    HAGER NB310

    HAGER

    NB310

    CIRCUIT BREAKER 10AMP 3P 400VAC B-CURVE 10KA
    ✓ IN STOCK!
    Buy Surplus As Low As $27.34
    $27.34
    PROTEUS PAT25

    PROTEUS

    PAT25

    DISCONTINUED BY MANUFACTURER, MOLDED CASE CIRCUIT BREAKER, 25AMP, 3 POLE, 220/415VAC, 50/60HZ, VARIABLE 18A TO 25A
    ✓ IN STOCK!
    Buy Surplus As Low As $109.46
    $109.46
    SCHNEIDER ELECTRIC MG29054

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    MG29054

    CIRCUIT BREAKER TRIP 25AMP 4P
    ✓ IN STOCK!
    $99.87 Buy Surplus As Low As $19.94
    $19.94
    HAGER ND-110

    HAGER

    ND-110

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 10AMP, 1P, 230-400V, 10KA, TYPED
    ✓ IN STOCK!
    Buy Surplus As Low As $4.13
    $4.13
    SCHNEIDER ELECTRIC MG29034

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    MG29034

    TRIP UNIT 25AMP 3P 3D
    ✓ IN STOCK!
    $98.24 Buy Surplus As Low As $46.59
    $46.59
    ALLEN BRADLEY 1492-GS2G015

    ALLEN BRADLEY

    1492-GS2G015

    1492-GS HIGH DENSITY MINI CIRCUIT BREAKERS (TOGGLE STYLE), 2 POLE, G-TRIP CHARACTERISTICS - INDUCTIVE LOADS (AC), 1.5 AMP RATING
    ✓ IN STOCK!
    Buy Surplus As Low As $47.50
    $47.50
    WESTINGHOUSE HQP1020

    WESTINGHOUSE

    HQP1020

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, MINIATURE, THERMAL MAGNETIC TRIP, PLUG IN, 20 AMP, 1 POLE, 120-240 V AC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $7.68
    $7.68
    ALLEN BRADLEY 1492-CB1H160

    ALLEN BRADLEY

    1492-CB1H160

    DISCONTINUED BY MANUFACTURER 2007-11-30, SUPP PROT/MAN MOTOR CNTR 1 POLE, 16ACIRCUIT BREAKER, 16AMP, 1POLE 277V DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $19.13
    $19.13
    ALLEN BRADLEY 1492-GH015

    ALLEN BRADLEY

    1492-GH015

    MINIATURE CIRCUIT BREAKER, 1.5AMP, 250VAC, 50/60HZ, 65VDC, DIN RAIL MOUNT, HIGH DENSITY
    ✓ IN STOCK!
    Buy Surplus As Low As $18.32
    $18.32
    ALLEN BRADLEY 1492-GH010

    ALLEN BRADLEY

    1492-GH010

    MINIATURE CIRCUIT BREAKER, SUPPLEMENTARY PROTECTOR, HIGH DENSITY, 1 POLE, 250VAC / 65VDC, 50/60 HZ, 1 PHASE, THERMAL MAGNETIC, DIN-RAIL MOUNT, 1.0 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $63.53
    $63.53
    ALLEN BRADLEY 1492-GH008

    ALLEN BRADLEY

    1492-GH008

    CIRCUIT BREAKER, 0.8 AMP, 1 POLE, 250 VAC, 56/60 HZ, MINIATURE
    ✓ IN STOCK!
    Buy Surplus As Low As $63.00
    $63.00
    ALLEN BRADLEY 1492-GH005

    ALLEN BRADLEY

    1492-GH005

    CIRCUIT BREAKER, MINIATURE, 0.5 AMP, 1 POLE, 250 VAC, 65 VDC, DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $56.43
    $56.43
    ALLEN BRADLEY 140T60

    ALLEN BRADLEY

    140T60

    DISCONTINUED BY MANUFACTURER, BUSBAR SUPPORT, 60 MM, 3 POLE CENTER SPACING
    ✓ IN STOCK!
    Buy Surplus As Low As $15.05
    $15.05
    ALLEN BRADLEY 140M-F-WTE

    ALLEN BRADLEY

    140M-F-WTE

    BUS BAR, COMPACT, FEEDER TERMINAL, TOP FEED, UL TYPE E SPACING, FOR 140M-F, 120 AMP, 690 VAC, 8 KV
    ✓ IN STOCK!
    Buy Surplus As Low As $137.84
    $137.84
    ALLEN BRADLEY 140M-F-W544

    ALLEN BRADLEY

    140M-F-W544

    COMPACT BUSBAR, 3 PHASE, 115 AMP, 54 MM SPACING, 4 CONNECTIONS, USED WITH 140M-F CIRCUIT BREAKER, MOUNTABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $183.82
    $183.82
    ALLEN BRADLEY 140M-F8N-C25

    ALLEN BRADLEY

    140M-F8N-C25

    MOTOR CIRCUIT PROTECTOR, 140M, FRAME F, RATING - 45 AMP, HIGH BREAK, FIXED MAG ONLY, RANGE - 18-25 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $372.00
    $372.00
    Repair Yours $350.39
    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 $409.13
    $409.13
    ALLEN BRADLEY 140M-D8N-C25

    ALLEN BRADLEY

    140M-D8N-C25

    DISCONTINUED BY MANUFACTURER 02/25/2022, MOTOR CIRCUIT PROTECTOR, 140M, FRAME D, RATING - 32 AMP, HIGH BREAK, FIXED MAG ONLY, RANGE - 18-25 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $366.63
    $366.63
    Repair Yours $355.76
    ALLEN BRADLEY 140M-D8N-C10

    ALLEN BRADLEY

    140M-D8N-C10

    DISCONTINUED BY MANUFACTURER 02/25/2022, MOTOR CIRCUIT PROTECTOR, 140M, FRAME D, RATING - 32 AMP, HIGH BREAK, FIXED MAG ONLY, RANGE - 6.3-10 AMP, REPLACED BY 140MT-D9N-C10
    ✓ IN STOCK!
    Buy Surplus As Low As $97.85
    $97.85
    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
    ALLEN BRADLEY 140M-D8E-B40

    ALLEN BRADLEY

    140M-D8E-B40

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, MOTOR PROTECTION, 140M, FRAME D, RATING - 32 AMP, HIGH BREAK, ADJ THERMAL/ FIXED MAG, RANGE - 2.5-4 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $234.82
    $234.82
    Repair Yours $300.00
    ALLEN BRADLEY 140M-D8E-B25

    ALLEN BRADLEY

    140M-D8E-B25

    DISCONTINUED BY MANUFACTURER 01/31/2023, CIRCUIT BREAKER, MOTOR PROTECTION, 140M, FRAME D, RATING - 32 AMP, HIGH BREAK, ADJ THERMAL/ FIXED MAG, RANGE - 1.6-2.5 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $343.09
    $343.09
    Repair Yours $300.00
    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 $80.64
    $80.64
    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 $383.16
    $383.16
    Repair Yours $322.21
    WESTINGHOUSE MCP23480RC

    WESTINGHOUSE

    MCP23480RC

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 50 AMP, 3 POLE, 600 V, MOTOR PROTECTOR
    ✓ IN STOCK!
    Buy Surplus As Low As $216.31
    $216.31
    WESTINGHOUSE FDB2030L

    WESTINGHOUSE

    FDB2030L

    CIRCUIT BREAKER, SERIES C, 30AMP, 2 POLE, 600VAC
    ✓ IN STOCK!
    $1,346.71 Buy Surplus As Low As $225.00
    $225.00
    Repair Yours $300.00
    WESTINGHOUSE FD3020L

    WESTINGHOUSE

    FD3020L

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 3-POLE, 20 AMP, LINE AND LOAD TERMINALS
    ✓ IN STOCK!
    Call For Availability
    SCHNEIDER ELECTRIC 25504

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    25504

    DISCONTINUED BY MANUFACTURER 11/01/2020, CIRCUIT BREAKER, 3 POLE, 16 AMP, 230-240 VAC, 50/60 HZ, K CURVE, DIN RAIL MOUNT, IP20
    ✓ IN STOCK!
    Buy Surplus As Low As $41.18
    $41.18
    SCHNEIDER ELECTRIC A9F44325

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    A9F44325

    CIRCUIT BREAKER, ACTI 9, MINIATURE, 25 AMP, 3 POLE- C-CURVE, 380-415 VAC
    ✓ IN STOCK!
    $220.00 Buy Surplus As Low As $146.00
    $146.00
    SENSATA TECHNOLOGIES UPG1-1-59F-501-A-21

    SENSATA TECHNOLOGIES

    AIRPAX

    UPG1-1-59F-501-A-21

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, UPG1 SERIES, 0.5 FL AMPS, 65 V DC MAX, 59 F DELAY, 0.625 TRIP AMPS
    ✓ IN STOCK!
    Buy Surplus As Low As $69.23
    $69.23
    SCHNEIDER ELECTRIC LV439162

    SCHNEIDER ELECTRIC

    LV439162

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, NSX 250L, TRIP UNIT: 160 AMP, 3 POLE, 50/60HZ, 800 VAC, 8 KV
    ✓ IN STOCK!
    Buy Surplus As Low As $172.43
    $172.43
    Repair Yours $406.08
    SCHNEIDER ELECTRIC 18347

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    18347

    CIRCUIT BREAKER, 125AMP, 2POLE, 415V, 50/60HZ, 6KV, BCURVE
    ✓ IN STOCK!
    $304.56 Buy Surplus As Low As $106.13
    $106.13
    SCHNEIDER ELECTRIC LV429047

    SCHNEIDER ELECTRIC

    SQUARE D

    LV429047

    TM16D 16A 4P/3R NSX100/250
    ✓ IN STOCK!
    $110.99 Buy Surplus As Low As $36.36
    $36.36
    Repair Yours $406.08
    SCHNEIDER ELECTRIC LV429041

    SCHNEIDER ELECTRIC

    SQUARE D

    LV429041

    TRIP UNIT, THERMAL MAGNETIC, 4 POLES, TM80D, FOR COMPACT NSX 100/160/250 CIRCUIT BREAKERS, 80 AMP, 690 VAC, 50/60 HZ, -25 TO +70 DEGREE C
    ✓ IN STOCK!
    $231.46 Buy Surplus As Low As $49.66
    $49.66
    Repair Yours $406.08
    SCHNEIDER ELECTRIC MG27823

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    MG27823

    CIRCUIT BREAKER 100AMP 2P 220/415V
    ✓ IN STOCK!
    Buy Surplus As Low As $494.75
    $494.75
    Repair Yours $410.64
    SCHNEIDER ELECTRIC MG27820

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    MG27820

    CIRCUIT BREAKER 100AMP 2P 220/415V
    ✓ IN STOCK!
    Buy Surplus As Low As $494.75
    $494.75
    Repair Yours $410.64
    SCHNEIDER ELECTRIC MG29636

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    MG29636

    CIRCUIT BREAKER 100AMP 3P 220-690V 50/60HZ W/TRIP
    ✓ IN STOCK!
    $1,617.66 Buy Surplus As Low As $248.56
    $248.56
    Repair Yours $406.08
    SIEMENS 3VN4200-1HS00

    SIEMENS

    ITE SIEMENS

    3VN4200-1HS00

    CIRCUIT BREAKER 55AMP 3P 380-660VAC MOLDED CASE
    ✓ IN STOCK!
    Buy Surplus As Low As $363.51
    $363.51
    Repair Yours $406.08
    ASEA BROWN BOVERI RC212/1

    ASEA BROWN BOVERI

    RC212/1

    DISCONTINUED BY MANUFACTURER, SACE SERIES CIRCUIT BREAKER, 4-POLE, 50/60HZ, 50-500VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $496.90
    $496.90
    SCHNEIDER ELECTRIC MG29124

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    MG29124

    TRIP UNIT 6.3AMP 3P 600VAC/DC
    ✓ IN STOCK!
    $252.80 Buy Surplus As Low As $38.93
    $38.93
    Repair Yours $406.08
    CHINT NX2-18DSL-A

    CHINT

    NX2-18DSL-A

    CONSUMER UNIT DUAL RCD
    ✓ IN STOCK!
    $215.02 Buy Surplus As Low As $77.97
    $77.97
    Repair Yours $406.08
    ASEA BROWN BOVERI 1SDA051146R1

    ASEA BROWN BOVERI

    1SDA051146R1

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 100A, 690 VAC, 50/60HZ 6KV
    ✓ IN STOCK!
    $430.03 Buy Surplus As Low As $186.20
    $186.20
    SCHNEIDER ELECTRIC MGV630302

    SCHNEIDER ELECTRIC

    MGV630302

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, ADAPTABLE RESIDUAL CURRENT DEVICE, 240V, TYPE AC
    ✓ IN STOCK!
    Buy Surplus As Low As $136.92
    $136.92
    Repair Yours $406.08
    SCHNEIDER ELECTRIC LV439100

    SCHNEIDER ELECTRIC

    LV439100

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, NSX 100L, TRIP UNIT: 100 AMP, 3 POLE, 50/60 HZ, 800 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $91.72
    $91.72
    Repair Yours $406.08
    SCHNEIDER ELECTRIC LV439163

    SCHNEIDER ELECTRIC

    LV439163

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, NSX 250L, TRIP UNIT: 125 AMP, 3 POLE, 50/60 HZ, 800 VAC, 8 KV
    ✓ IN STOCK!
    Buy Surplus As Low As $172.43
    $172.43
    Repair Yours $406.08
    SCHNEIDER ELECTRIC C120N-1P-100-A

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    C120N-1P-100-A

    CIRCUIT BREAKER MULTI9 C120N (18342), 240/415V, 1P, RATING: 100 A, B - CURVE
    ✓ IN STOCK!
    Buy Surplus As Low As $30.58
    $30.58
    Repair Yours $406.08
    SCHNEIDER ELECTRIC MGP 063 1B

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    MGP 063 1B

    DISCONTINUED BY MANUFACTURER, PANEL BOARD, 63 AMP, 1 POLE, B CURVE, 220-277 V
    ✓ IN STOCK!
    Buy Surplus As Low As $124.54
    $124.54
    Repair Yours $406.08
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