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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.

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    Results 451-500 of 906.
    SIEMENS ED23B030

    SIEMENS

    ITE SIEMENS

    ED23B030

    BREAKER ED 3P 30A 240VAC 10KA LD LUG, ED STD INTER TM BRKR, MOLDED CASE CIRCUIT BREAKERS , ED23B030 , ED23B030
    ✓ IN STOCK!
    $1,360.05 Buy Surplus As Low As $66.67
    $66.67
    Repair Yours $300.00
    SIEMENS ED22B015

    SIEMENS

    ITE SIEMENS

    ED22B015

    CIRCUIT BREAKER, 15 AMP, 2 POLE, 240 VAC
    ✓ IN STOCK!
    $275.99 Buy Surplus As Low As $137.55
    $137.55
    Repair Yours $300.00
    SIEMENS BQD120

    SIEMENS

    ITE SIEMENS

    BQD120

    MOLDED CASE CIRCUIT BREAKER, BQD SERIES, MINIATURE, ONE POLE, 1 PHASE, 20 AMPS, 277 VAC, 125 VDC, BOLT-ON MOUNTING, LUG TERMINAL
    ✓ IN STOCK!
    $96.47 Buy Surplus As Low As $34.95
    $34.95
    Repair Yours $300.00
    SIEMENS BQ1B015

    SIEMENS

    ITE SIEMENS

    BQ1B015

    MOLDED CASE THERMAL MAGNETIC. BQ FRAME. 120/240 VAC AT 60 HZ. 15 AMPERE AT 40 DEG C. 1 POLE. INTERRUPTING RATING 10 KILOAMPERE. TERMINAL LOAD LUG. SIZE 1 INCH W X 3 INCH D X 3-3/4 INCH H. BQ ...
    ✓ IN STOCK!
    $25.59 Buy Surplus As Low As $9.57
    $9.57
    Repair Yours $300.00
    SIEMENS BF1-B030

    SIEMENS

    ITE SIEMENS

    BF1-B030

    MOLDED CASE CIRCUIT BREAKER, GROUND FAULT, TYPE: BQF, 1 POLE, 30 AMPS, 120 VOLTS
    ✓ IN STOCK!
    $400.00 Buy Surplus As Low As $285.71
    $285.71
    Repair Yours $300.00
    SIEMENS B370

    SIEMENS

    ITE SIEMENS

    B370

    BREAKER, 70AMP, 3POLE, 240V, BLACK
    ✓ IN STOCK!
    $121.39 Buy Surplus As Low As $76.47
    $76.47
    Repair Yours $300.00
    SIEMENS B3100

    SIEMENS

    ITE SIEMENS

    B3100

    CIRCUIT BREAKER, 100 AMP, 3 POLE, 240 V, 10 KAIC BL
    ✓ IN STOCK!
    $543.00 Buy Surplus As Low As $91.30
    $91.30
    SIEMENS B260

    SIEMENS

    ITE SIEMENS

    B260

    CIRCUIT BREAKER, 60 AMP, 2-POLE, TYPE BL
    ✓ IN STOCK!
    $104.00 Buy Surplus As Low As $38.12
    $38.12
    Repair Yours $300.00
    SIEMENS B240

    SIEMENS

    ITE SIEMENS

    B240

    CIRCUIT BREAKER, THERMAL MAGNETIC, 40 AMP, 2 POLE, 120/240V AC, TYPE BLOCK, BOLT-ON
    ✓ IN STOCK!
    $132.55 Buy Surplus As Low As $24.57
    $24.57
    Repair Yours $300.00
    WESTINGHOUSE FDB-3125

    WESTINGHOUSE

    FDB-3125

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 125AMP, 3POLE, 600VAC 14KAIC/480VA
    ✓ IN STOCK!
    Buy Surplus As Low As $372.01
    $372.01
    Repair Yours $308.77
    WESTINGHOUSE FDB3015

    WESTINGHOUSE

    FDB3015

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 15AMP, 3POLE. 600VAC. 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $229.00
    $229.00
    Repair Yours $370.60
    WESTINGHOUSE FB3030

    WESTINGHOUSE

    FB3030

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, THERMAL MAGNETIC TRIP, 30 AMP, 3-POLE, 600 VAC, FB FRAME TYPE, BOLT-ON TERMINATION
    ✓ IN STOCK!
    Buy Surplus As Low As $332.16
    $332.16
    WESTINGHOUSE FA3015

    WESTINGHOUSE

    FA3015

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, MOLDED, 15AMP, 3POLE, 600VAC, 3 PHASE, BOLT-ON CONNECTION, THERMAL MAGNETIC, LONG-TIME AND INSTANTANEOUS, 14KA@480V
    ✓ IN STOCK!
    Buy Surplus As Low As $204.42
    $204.42
    SIEMENS B340

    SIEMENS

    ITE SIEMENS

    B340

    CIRCUIT BREAKER, 40AMP, 3P, 240V, 10K, BL
    ✓ IN STOCK!
    $110.87 Buy Surplus As Low As $56.84
    $56.84
    Repair Yours $300.00
    SIEMENS 5SM16426

    SIEMENS

    5SM16426

    RCCIRCUITBREAKER 4 POLE 25A 230-400VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $337.00
    $337.00
    Repair Yours $300.00
    SIEMENS 3VU1301-1MD00

    SIEMENS

    3VU1301-1MD00

    CIRCUIT BREAKER, 0.24-0.4 AMPS, 50/60HZ, 1NO/1NC
    ✓ IN STOCK!
    Buy Surplus As Low As $110.00
    $110.00
    SIEMENS 3VE1015-2DU00

    SIEMENS

    ITE SIEMENS

    3VE1015-2DU00

    DISCONTINUED BY MANUFACTURER, MOTOR STARTER, 0.25/0.4 AMP, DIN RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $165.49
    $165.49
    SIEMENS MBKBL3

    SIEMENS

    MBKBL3

    BREAKER MOUNTING KIT, SENTRON SERIES, 3 POLE, RATED FOR 100 AMP, ALUMINUM, MAIN MOUNTING STYLE, BL / BLH / HBL
    ✓ IN STOCK!
    $527.00 Buy Surplus As Low As $323.01
    $323.01
    SCHNEIDER ELECTRIC A9D33716

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    A9D33716

    DISCONTINUED BY MANUFACTURER 10/14/2021, RESIDUAL CURRENT BREAKER, 16 AMP, C-CURVE, 6000 A, 30 MA, TYPE A-SI, 380-415 VAC, 50/60 HZ, WITH OVERCURRENT PROTECTION
    ✓ IN STOCK!
    Buy Surplus As Low As $380.00
    $380.00
    Repair Yours $250.00
    EATON CORPORATION CF3-Z340-1

    EATON CORPORATION

    HEINEMANN

    CF3-Z340-1

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 3-POLE, 70 A
    ✓ IN STOCK!
    Buy Surplus As Low As $156.39
    $156.39
    Repair Yours $300.00
    SCHNEIDER ELECTRIC 26531

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    26531

    DISCONTINUED BY MANUFACTURER SINCE 30/6/2021, EARTH LEAKAGE BLOCK, ADD ON, 4 POLE, 25 AMP, 30 MA, 220-415 VAC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $57.00
    $57.00
    EATON CORPORATION FAZSC6-2

    EATON CORPORATION

    MOELLER ELECTRIC

    FAZSC6-2

    CIRCUIT BREAKER, 2 POLE, 240/415 V AC, 60 (PER POLE) V DC, IP20, IP40 (WHEN FITTED)
    ✓ IN STOCK!
    $91.00 Buy Surplus As Low As $55.00
    $55.00
    SCHNEIDER ELECTRIC QOH115RCDX30

    SCHNEIDER ELECTRIC

    SQUARE D

    QOH115RCDX30

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 1 POLE, 15 AMP, 240 V
    ✓ IN STOCK!
    Buy Surplus As Low As $164.00
    $164.00
    Repair Yours Contact Us
    ETA ELECTRIC INDUSTRY 3200-4A

    ETA ELECTRIC INDUSTRY

    3200-4A

    CIRCUIT BREAKER, THERMAL/MAGNETIC, SNAP-ACTION, 4AMP, AC240V, AC250V, DC28V
    ✓ IN STOCK!
    $168.06 Buy Surplus As Low As $63.69
    $63.69
    ALTECH CORP 3C-25UM

    ALTECH CORP

    3C-25UM

    3C25UM, 25A, CIRCUIT BREAKER, C CHAR,3POLE,480Y/277VAC,UL508
    ✓ IN STOCK!
    $137.00 Buy Surplus As Low As $83.00
    $83.00
    SCHNEIDER ELECTRIC EZ9F16106

    SCHNEIDER ELECTRIC

    EZ9F16106

    CIRCUIT BREAKER, MINIATURE, 6 AMP, 1 POLE, 230 VAC, 50/60 HZ, 6KA, B-CURVE, THERMAL-MAGNETIC, DIN RAIL MOUNT, IP20
    ✓ IN STOCK!
    $7.42 Buy Surplus As Low As $4.45
    $4.45
    CBI QY-1-13-DM-U2-04

    CBI

    QY-1-13-DM-U2-04

    CIRCUIT BREAKER, 4AMP, 80VDC, 1P, CURVE U2 DUAL MOUNT
    ✓ IN STOCK!
    $51.12 Buy Surplus As Low As $17.60
    $17.60
    F&G L8-6/3/C

    F&G

    L8-6/3/C

    CIRCUIT BREAKER, 277/480 VAC, 5 KA, 3 POLE, C TRIP
    ✓ IN STOCK!
    $136.35 Buy Surplus As Low As $52.53
    $52.53
    EATON CORPORATION AD1S-B2-AO-DN-H-A-61-2-3

    EATON CORPORATION

    HEINEMANN

    AD1S-B2-AO-DN-H-A-61-2-3

    CIRCUIT BREAKER, 2AMP, 1POLE, 80VDC, W/ AUXILIARY SWITCH, 1AMP / 125VAC, SCREW CLAMP TERMINALS, DIN RAIL MOUNT
    ✓ IN STOCK!
    $152.00 Buy Surplus As Low As $48.00
    $48.00
    SCHNEIDER ELECTRIC TM40D-4P3D

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    TM40D-4P3D

    CIRCUIT BREAKER, 40AMP, 4POLE, 690VAC, 50/60HZ, TRIP UNIT TM40D FOR COMPACT NSX
    ✓ IN STOCK!
    $126.68 Buy Surplus As Low As $51.00
    $51.00
    SCHNEIDER ELECTRIC QO-1-16

    SCHNEIDER ELECTRIC

    SQUARE D

    QO-1-16

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, TYPE QO-X, 16 AMP, 1 POLE, 240/415 VAC, 50/60 HZ, 10 KA
    ✓ IN STOCK!
    Buy Surplus As Low As $26.00
    $26.00
    Repair Yours Contact Us
    SIEMENS TA1Q1-EACH

    SIEMENS

    ITE SIEMENS

    TA1Q1-EACH

    CIRCUIT BREAKER LUG TERMINALS, 50-100 AMP, FOR BQ/BQH, PRICE/EACH
    ✓ IN STOCK!
    $4.77 Buy Surplus As Low As $1.10
    $1.10
    SCHNEIDER ELECTRIC X13450313-01

    SCHNEIDER ELECTRIC

    SQUARE D

    X13450313-01

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, MOLDED CASE, FRAME - F, FAL360151586, TYPE S2, 240/600 VAC MAX, 250 VDC, 15 AMP, 3 POLE
    ✓ IN STOCK!
    Buy Surplus As Low As $49.00
    $49.00
    Repair Yours $300.00
    SCHNEIDER ELECTRIC MG24115

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    MG24115

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, SUPPLEMENTARY PROTECTOR, 277V, 8AMP, 1P, 24115
    ✓ IN STOCK!
    Buy Surplus As Low As $47.83
    $47.83
    SCHNEIDER ELECTRIC MG24672

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    MG24672

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 10AMP, 3POLE, 400V
    ✓ IN STOCK!
    Buy Surplus As Low As $169.37
    $169.37
    SCHNEIDER ELECTRIC A9F54301

    SCHNEIDER ELECTRIC

    A9F54301

    MINIATURE CIRCUIT BREAKER, 1 AMP, 3 POLE, C-CURVE, THERMAL-MAGNETIC
    ✓ IN STOCK!
    $268.00 Buy Surplus As Low As $204.00
    $204.00
    Repair Yours $200.00
    SCHNEIDER ELECTRIC 60102

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    60102

    1 AMP, 125 VDC, 240 VAC, 60 VDC, 1 POLE, DIN RAIL MOUNT, FIXED MOUNT MINIATURE CIRCUIT BREAKER THERMAL MAGNETIC TRIP, MULTIPLE BREAKING CAPACITY RATINGS, 73MM DEEP X 107MM HIGH X 18MM WIDE
    ✓ IN STOCK!
    Buy Surplus As Low As $119.85
    $119.85
    Repair Yours Contact Us
    SCHNEIDER ELECTRIC 25191

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    25191

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 25AMP, 2POLE, 400V, 50/60HZ, DCURVE
    ✓ IN STOCK!
    Buy Surplus As Low As $324.00
    $324.00
    SCHNEIDER ELECTRIC 16208

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    16208

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER 63A 240V ID/RCCB 2P 30MA
    ✓ IN STOCK!
    Buy Surplus As Low As $99.95
    $99.95
    Repair Yours $300.00
    SCHNEIDER ELECTRIC 25721

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    25721

    CIRCUIT BREAKER 50AMP 2POLE 415VAC C60HD D-CURVE
    ✓ IN STOCK!
    Buy Surplus As Low As $72.00
    $72.00
    SCHNEIDER ELECTRIC 29034

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    29034

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER ACCESSORY, TRIP, UNIT
    ✓ IN STOCK!
    Buy Surplus As Low As $181.72
    $181.72
    Repair Yours $300.00
    RITTAL 9676007

    RITTAL

    9676007

    (PRICE/PACK OF 16), SPACER FOR FLAT-PLS BUSBAR SUPPORT, 50X10
    ✓ IN STOCK!
    $41.00 Buy New $41.00
    $32.00
    CHINT NB1-C32-2P

    CHINT

    NB1-C32-2P

    CIRCUIT BREAKER, 32AMP, 2POLE, 480VAC, C-CURVE
    ✓ IN STOCK!
    $39.53 Buy Surplus As Low As $24.00
    $24.00
    EATON CORPORATION PLSM-D2/3-MW

    EATON CORPORATION

    MOELLER ELECTRIC

    PLSM-D2/3-MW

    CIRCUIT BREAKER, MINIATURE, 2 AMP, 3 POLE, 400 VAC, 10 KA , D-CURVE, SCREW TERMINAL, DIN RAIL MOUNT, -2 TO +75 DEGREE C, IP20, 242485
    ✓ IN STOCK!
    $104.00 Buy Surplus As Low As $69.00
    $69.00
    EATON CORPORATION FAZ6-C2/2

    EATON CORPORATION

    MOELLER ELECTRIC

    FAZ6-C2/2

    CIRCUIT BREAKER, MINIATURE, 2 POLE, 2 AMP, 230-400 VAC, C-CURVE, 6 KA BREAKING CAPACITY, DIN RAIL MOUNT
    ✓ IN STOCK!
    $147.00 Buy Surplus As Low As $89.00
    $89.00
    MITSUBISHI NV100-SRU3P50A30

    MITSUBISHI

    NV100-SRU3P50A30

    CIRCUIT BREAKER, MOLDED CASE, EMBEDDED EARTH LEAKAGE PROTECTION, 3P, 50AMP, 30MA, UL489, 100-240VAC, NF-S, 100AF
    ✓ IN STOCK!
    $714.00 Buy Surplus As Low As $180.21
    $180.21
    Repair Yours $300.00
    EATON CORPORATION AM12

    EATON CORPORATION

    HEINEMANN

    AM12

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 15AMP, 115VAC 60HZ, SAME AS AM12-MG6
    ✓ IN STOCK!
    Buy Surplus As Low As $11.25
    $11.25
    ASEA BROWN BOVERI S203PR-K60

    ASEA BROWN BOVERI

    S203PR-K60

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, K CURVE/THERMAL MAGNETIC TRIP, 3 POLE, 10 KA INTERRUPTING, 60 AMP RATED, 240 VAC RATED, ON/GREEN-RED/OFF POSITION INDICATION, RING-TO ...
    ✓ IN STOCK!
    Buy Surplus As Low As $52.49
    $52.49
    SIEMENS 3VF1231-1FC41-0AA0

    SIEMENS

    FURNAS ELECTRIC CO

    3VF1231-1FC41-0AA0

    CIRCUIT BREAKER, 415 V (100KA) / 690 V (22KA), 16AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $53.21
    $53.21
    EATON CORPORATION PLHT-D80/2

    EATON CORPORATION

    MOELLER ELECTRIC

    PLHT-D80/2

    CIRCUIT BREAKER, MINIATURE, PLHT SERIES, 80 AMP, 2 POLE, 230/400 VAC, 50 HZ, 20 KA, D CURVE, SCREW TERMINAL, DIN RAIL MOUNT, -25 TO +55 DEGREE C, IP20, 248022
    ✓ IN STOCK!
    $234.00 Buy Surplus As Low As $155.00
    $155.00
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