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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 851-900 of 876.
    SIEMENS ED43B100

    SIEMENS

    ED43B100

    CIRCUIT BREAKER, 100 AMP, 3 POLE, 480 VAC, 50/60 HZ, CAL BASE 40C
    ✓ IN STOCK!
    CAN$958.12 Buy Surplus As Low As CAN$392.82
    CAN$392.82
    Repair Yours CAN$327.00
    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!
    CAN$2,038.00 Buy Surplus As Low As CAN$1,223.00
    CAN$1,223.00
    Repair Yours CAN$1,016.00
    SIEMENS FD63B150

    SIEMENS

    FD63B150

    MOLDED CASE CIRCUIT BREAKER, SENTRON SERIES, THERMAL MAHNETIC, STANDARD RATING, TYPE FD, 600 VAC, 3 POLE, STANDARD 40 DEGREES C BREAKER, 150 AMP
    ✓ IN STOCK!
    CAN$1,968.00 Buy Surplus As Low As CAN$1,181.00
    CAN$1,181.00
    Repair Yours CAN$981.00
    SIEMENS B230

    SIEMENS

    ITE SIEMENS

    B230

    CIRCUIT BREAKER, THERMAL/MAGNETIC CUR RTG, 30A, 2 POLE, 120/240V, 10KAIC, BL SERIES
    ✓ IN STOCK!
    CAN$186.00 Buy Surplus As Low As CAN$23.32
    CAN$23.32
    Repair Yours Contact Us
    EATON CORPORATION FDB3100

    EATON CORPORATION

    CUTLER HAMMER

    FDB3100

    CUTLER HAMMER FDB3100 100 AMP, 3-POLE SERIES C NEMA F-FRAME MOLDED CASE CIRCUIT BREAKER, TYPE FDB, CABLE IN/CABLE OUT, 14 KAIC, 600 VAC, 250 VDC, FIXED THERMAL-MAGNETIC TRIP. INCLUDES: LOAD ...
    ✓ IN STOCK!
    CAN$2,391.91 Buy Surplus As Low As CAN$1,031.62
    CAN$1,031.62
    Repair Yours CAN$853.17
    EATON CORPORATION HND3800T36W

    EATON CORPORATION

    CUTLER HAMMER

    HND3800T36W

    HND DIGITRIP 310 3P 800A 80% DUTY ADJ GF
    ✓ IN STOCK!
    CAN$32,688.00 Buy Surplus As Low As CAN$19,613.00
    CAN$19,613.00
    Repair Yours CAN$16,292.00
    EATON CORPORATION HFD3200

    EATON CORPORATION

    CUTLER HAMMER

    HFD3200

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 3-POLE, 200 AMP, LOAD SIDE LUGS ONLY
    ✓ IN STOCK!
    CAN$4,749.95 Buy Surplus As Low As CAN$2,849.97
    CAN$2,849.97
    Repair Yours CAN$2,365.48
    EATON CORPORATION GFCB220

    EATON CORPORATION

    CUTLER HAMMER

    GFCB220

    TYPE BR 5 MA GFI BREAKER 20A/2 POLE 120/240V 10K
    ✓ IN STOCK!
    CAN$312.00 Buy Surplus As Low As CAN$187.00
    CAN$187.00
    Repair Yours CAN$250.00
    EATON CORPORATION FDB3030

    EATON CORPORATION

    CUTLER HAMMER

    FDB3030

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 3-POLE, 30 AMP, LOAD SIDE LUGS ONLY
    ✓ IN STOCK!
    CAN$1,208.78 Buy Surplus As Low As CAN$725.27
    CAN$725.27
    Repair Yours CAN$488.00
    SIEMENS QJ23B125

    SIEMENS

    ITE SIEMENS

    QJ23B125

    MOLDED CASE CIRCUIT BREAKER, 3 POLE, 3 PHASE, 240 VAC, 125 AMP, QJ FRAME TYPE, BOLT-ON CONNECTION TYPE, LI- LONG-TIME & INSTANTANEOUS TRIP FUNCTIONS, LOAD SIDE LUG TERMINALS
    ✓ IN STOCK!
    CAN$1,350.00 Buy Surplus As Low As CAN$810.00
    CAN$810.00
    Repair Yours CAN$685.00
    SIEMENS QF220

    SIEMENS

    ITE SIEMENS

    QF220

    CIRCUIT BREAKER, 20A, QF, 240V
    ✓ IN STOCK!
    CAN$234.00 Buy Surplus As Low As CAN$178.00
    CAN$178.00
    Repair Yours CAN$250.00
    EATON CORPORATION CH2125

    EATON CORPORATION

    CUTLER HAMMER

    CH2125

    (PRICE/EA) TYPE CH BREAKER 125A/2 POLE 120/240V 10K
    ✓ IN STOCK!
    CAN$343.01 Buy Surplus As Low As CAN$236.89
    CAN$236.89
    Repair Yours CAN$250.00
    EATON CORPORATION A8NES800T1

    EATON CORPORATION

    CUTLER HAMMER

    A8NES800T1

    RATING PLUG FOR 800/600/500/400A ADJ ND
    ✓ IN STOCK!
    CAN$322.00 Buy Surplus As Low As CAN$194.00
    CAN$194.00
    EATON CORPORATION FD3175L

    EATON CORPORATION

    CUTLER HAMMER

    FD3175L

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 3-POLE, 175 AMP, LINE AND LOAD TERMINALS
    ✓ IN STOCK!
    CAN$3,477.00 Buy Surplus As Low As CAN$2,086.00
    CAN$2,086.00
    Repair Yours CAN$1,765.00
    SIEMENS 3RV1011-0GA10

    SIEMENS

    3RV1011-0GA10

    CIRCUIT BREAKER, SIZE S00, FOR MOTOR PROTECTION, 0.45-0.63 AMP, 3 POLE, 690 VAC, CLASS 10, STANDARD SWITCHING, SCREW TYPE TERMINAL, DIN RAIL MOUNT
    ✓ IN STOCK!
    CAN$169.00 Buy Surplus As Low As CAN$102.00
    CAN$102.00
    Repair Yours Contact Us
    EATON CORPORATION TAP361

    EATON CORPORATION

    CUTLER HAMMER

    TAP361

    BUS PLUG, FUSIBLE SWITCH, 600-VOLT, 30-AMP, 3-WIRE
    ✓ IN STOCK!
    CAN$2,439.00 Buy Surplus As Low As CAN$1,464.00
    CAN$1,464.00
    EATON CORPORATION HMCPS007C0C

    EATON CORPORATION

    CUTLER HAMMER

    HMCPS007C0C

    (PRICE/EA) CIRCUIT BREAKER, 3 POLE, 7A; PRODUCT RANGE:HMCPS SERIES; CURRENT RATING:7A; NO. OF POLES:3 POLE; VOLTAGE RATING VDC:250VDC; VOLTAGE RATING VAC:600VAC; CIRCUIT BREAKER MOUNTING:DIN ...
    ✓ IN STOCK!
    CAN$1,327.03 Buy Surplus As Low As CAN$796.22
    CAN$796.22
    Repair Yours CAN$660.86
    EATON CORPORATION HJD3225

    EATON CORPORATION

    CUTLER HAMMER

    HJD3225

    CIRCUIT BREAKER, SERIES C, 3 POLE, 225 AMP RATING, 600 VAC / 250 VDC, 50/60 HZ, FIXED THERMAL/MAGNETIC TRIP, COMPLETE MOLDED CASE, J FRAME
    ✓ IN STOCK!
    CAN$6,423.67 Buy Surplus As Low As CAN$3,854.20
    CAN$3,854.20
    Repair Yours CAN$2,302.51
    EATON CORPORATION HFD3150L

    EATON CORPORATION

    CUTLER HAMMER

    HFD3150L

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 3-POLE, 150 AMP, LINE AND LOAD TERMINALS
    ✓ IN STOCK!
    CAN$5,137.00 Buy Surplus As Low As CAN$3,082.00
    CAN$3,082.00
    Repair Yours CAN$2,595.00
    EATON CORPORATION BAB3060H

    EATON CORPORATION

    CUTLER HAMMER

    BAB3060H

    CIRCUIT BREAKER, TYPE BAB, 3 POLE, 4 WIRE, 60 AMP, 10 KAIC, 240 V, BOLT-ON MOUNTING
    ✓ IN STOCK!
    CAN$304.65 Buy Surplus As Low As CAN$182.79
    CAN$182.79
    FUJI ELECTRIC CR6L-30

    FUJI ELECTRIC

    CR6L-30

    FUSE, CURRENT LIMITING, CR SERIES, 30 AMP, 600 VAC, 100 KA BREAKING CAPACITY, 34.5 MM WIDTH, 88 MM DEPTH
    ✓ IN STOCK!
    CAN$71.90 Buy Surplus As Low As CAN$49.63
    CAN$49.63
    EATON CORPORATION HLD3500

    EATON CORPORATION

    CUTLER HAMMER

    HLD3500

    EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER
    ✓ IN STOCK!
    CAN$12,324.00 Buy Surplus As Low As CAN$7,395.00
    CAN$7,395.00
    Repair Yours CAN$6,138.00
    EATON CORPORATION HKD3300

    EATON CORPORATION

    CUTLER HAMMER

    HKD3300

    THERMAL MAG CKT BREAKER, 3 POLE, 300A; PRODUCT RANGE:HKD SERIES; CURRENT RATING:300A; NO. OF POLES:3 POLE; VOLTAGE RATING VDC:250VDC; VOLTAGE RATING VAC:600VAC; CIRCUIT BREAKER MOUNTING:DIN ...
    ✓ IN STOCK!
    CAN$11,795.80 Buy Surplus As Low As CAN$4,321.11
    CAN$4,321.11
    Repair Yours CAN$3,133.93
    EATON CORPORATION HJD3125

    EATON CORPORATION

    CUTLER HAMMER

    HJD3125

    EATON EATON SERIES C COMPLETE MOLDED CASE CIRCUIT BREAKER,
    ✓ IN STOCK!
    CAN$7,629.23 Buy Surplus As Low As CAN$3,854.20
    CAN$3,854.20
    Repair Yours CAN$1,823.47
    EATON CORPORATION HFD3100

    EATON CORPORATION

    CUTLER HAMMER

    HFD3100

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 3-POLE, 100 AMP, LOAD SIDE LUGS ONLY, BOLT-ON
    ✓ IN STOCK!
    CAN$2,250.19 Buy Surplus As Low As CAN$1,350.11
    CAN$1,350.11
    Repair Yours CAN$1,204.47
    EATON CORPORATION HJD3250

    EATON CORPORATION

    CUTLER HAMMER

    HJD3250

    MOLDED CASE CIRCUIT BREAKER, 3 POLE, 250 AMP, 600 VAC, 250 VDC, DIN RAIL
    ✓ IN STOCK!
    CAN$5,219.24 Buy Surplus As Low As CAN$2,483.36
    CAN$2,483.36
    Repair Yours CAN$2,062.10
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