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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 906.
    SIEMENS Q220

    SIEMENS

    ITE SIEMENS

    Q220

    CIRCUIT BREAKER, TYPE QP, 20 AMP, 2 POLE, 120/240 VAC, 10KAIC
    ✓ IN STOCK!
    CAN$31.41 Buy Surplus As Low As CAN$11.41
    CAN$11.41
    Repair Yours Contact Us
    EATON CORPORATION 1288C74G03

    EATON CORPORATION

    CUTLER HAMMER

    1288C74G03

    AUXILIARY SWITCH, CIRCUIT BREAKER ACCESSORY, FOR GMCP BREAKERS, FRAME J-K, 6 AMP, 240 V, 1A-1B CONTACT CONFIGURATION
    ✓ IN STOCK!
    CAN$863.01 Buy Surplus As Low As CAN$425.92
    CAN$425.92
    SIEMENS FHOEBO

    SIEMENS

    ITE SIEMENS

    FHOEBO

    CIRCUIT BREAKER, ED MAX-FLEX BREAKER OPER
    ✓ IN STOCK!
    CAN$395.56 Buy Surplus As Low As CAN$224.61
    CAN$224.61
    Repair Yours CAN$300.00
    SIEMENS ED63A002

    SIEMENS

    ED63A002

    MOLDED CASE CIRCUIT BREAKER, LOW VOLTAGE SENTRON MCCB MAGNETIC TRIP ONLY, 3 POLE, 2 AMP, 600V, LUGS-ETI
    ✓ IN STOCK!
    CAN$669.00 Buy Surplus As Low As CAN$402.00
    CAN$402.00
    Repair Yours CAN$334.00
    SIEMENS ED62B020

    SIEMENS

    ITE SIEMENS

    ED62B020

    THERMAL MAGNETIC. 2 POLE. 600 VAC 250 VDC. 20 AMPERE AT 40 DEG C. INTERRUPTING RATING 65 KILOAMPERE AT 240 VAC 25 KILOAMPERE AT 480 VAC 18 KILOAMPERE AT 600 VAC 30 KILOAMPERE AT 250 VDC (UL)
    ✓ IN STOCK!
    CAN$455.00 Buy Surplus As Low As CAN$233.42
    CAN$233.42
    Repair Yours CAN$250.00
    SIEMENS ED43B060L

    SIEMENS

    SIEMENS INDUSTRY

    ED43B060L

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 60 AMP, 3 POLE, 480 VAC, 18 KA, WITH LUGS
    ✓ IN STOCK!
    CAN$559.00 Buy Surplus As Low As CAN$387.46
    CAN$387.46
    Repair Yours CAN$279.00
    SIEMENS ED43B035

    SIEMENS

    ED43B035

    MOLDED CASE CIRCUIT BREAKER, SENTRON SERIES, THERMAL MAHNETIC, STANDARD RATING, TYPE ED, 480 VAC, 3 POLE, STANDARD 40 DEGREES C BREAKER, 35 AMP , ED43B035 , ED43B035
    ✓ IN STOCK!
    CAN$764.70 Buy Surplus As Low As CAN$336.00
    CAN$336.00
    Repair Yours CAN$278.88
    SIEMENS ED43B030

    SIEMENS

    ED43B030

    MOLDED CASE CIRCUIT BREAKER, SENTRON SERIES, THERMAL MAGNETIC, STANDARD RATING, TYPE ED, 480 VAC, 3 POLE, STANDARD 40 DEGREES C BREAKER, 30 AMP
    ✓ IN STOCK!
    CAN$1,271.83 Buy Surplus As Low As CAN$335.85
    CAN$335.85
    Repair Yours CAN$279.00
    SIEMENS ED23B040

    SIEMENS

    ITE SIEMENS

    ED23B040

    CIRCUIT BREAKER, 240 VAC, 40 AMP, 50/60 HZ, 3 POLES, 3 PHASE, TYPE ED2, ED FRAME
    ✓ IN STOCK!
    CAN$351.00 Buy Surplus As Low As CAN$211.00
    CAN$211.00
    Repair Yours CAN$250.00
    SIEMENS BQDHBD

    SIEMENS

    BQDHBD

    BREAKER BQD/CQD/NGG HDL BLOCK DEVICEBREA, BQD BREAKERS, MOLDED CASE CIRCUIT BREAKERS , BQDHBD , BQDHBD
    ✓ IN STOCK!
    CAN$5.98 Buy Surplus As Low As CAN$3.95
    CAN$3.95
    Repair Yours Contact Us
    SIEMENS BQ3B050

    SIEMENS

    ITE SIEMENS

    BQ3B050

    CIRCUIT BREAKER, BQ, 3POLE, 240V, 50AMP, 10K
    ✓ IN STOCK!
    CAN$208.00 Buy Surplus As Low As CAN$109.19
    CAN$109.19
    Repair Yours CAN$300.00
    SIEMENS BQ2B050

    SIEMENS

    ITE SIEMENS

    BQ2B050

    CIRCUIT BREAKER, 50AMP, 2POLE, 120/240V, 10K, BQ
    ✓ IN STOCK!
    CAN$100.68 Buy Surplus As Low As CAN$38.98
    CAN$38.98
    Repair Yours Contact Us
    SIEMENS B360

    SIEMENS

    ITE SIEMENS

    B360

    CIRCUIT BREAKER, TYPE BL, 60AMP, 3POLE, 240VAC
    ✓ IN STOCK!
    CAN$128.00 Buy Surplus As Low As CAN$61.10
    CAN$61.10
    Repair Yours CAN$300.00
    SIEMENS B350

    SIEMENS

    ITE SIEMENS

    B350

    CIRCUIT BREAKER, TYPE BL, 10K, 50AMP, 3P, 240V
    ✓ IN STOCK!
    CAN$170.99 Buy Surplus As Low As CAN$76.33
    CAN$76.33
    Repair Yours Contact Us
    SIEMENS B330

    SIEMENS

    ITE SIEMENS

    B330

    CIRCUIT BREAKER, TYPE BL, 30AMP, 3P, 240V, 60HZ, BOLT ON
    ✓ IN STOCK!
    CAN$128.00 Buy Surplus As Low As CAN$75.20
    CAN$75.20
    Repair Yours Contact Us
    SIEMENS A01ED62

    SIEMENS

    ITE SIEMENS

    A01ED62

    BREAKER ED 240VAC AUX SWITCH ACC, SIEMENS LOW VOLTAGE SENTRON MOLDED CASE CIRCUIT BREAKER INTERNAL ACCESSORY. FORM C 240 VAC AUXILIARY SWITCH (1NO / 1NC). SUITS ED FRAME BREAKERS.
    ✓ IN STOCK!
    CAN$503.00 Buy Surplus As Low As CAN$302.00
    CAN$302.00
    EATON CORPORATION FD2020

    EATON CORPORATION

    CUTLER HAMMER

    FD2020

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 2-POLE, 20 AMP, LOAD SIDE LUGS ONLY
    ✓ IN STOCK!
    CAN$1,166.40 Buy Surplus As Low As CAN$559.99
    CAN$559.99
    Repair Yours CAN$464.79
    GENERAL ELECTRIC 190B1704G1

    GENERAL ELECTRIC

    190B1704G1

    BREAKER, MOLDED CASE, HANDLE OPERATOR, VERTICAL, SIZE 1-4, SE/SF TYPE
    ✓ IN STOCK!
    CAN$1,195.25 Buy Surplus As Low As CAN$598.20
    CAN$598.20
    Repair Yours CAN$398.29
    EATON CORPORATION NZMB1-S50-CNA

    EATON CORPORATION

    CUTLER HAMMER

    NZMB1-S50-CNA

    EATON SERIES NZM COMPLETE MOLDED CASE CIRCUIT BREAKER
    ✓ IN STOCK!
    CAN$748.00 Buy Surplus As Low As CAN$569.00
    CAN$569.00
    Repair Yours CAN$374.00
    SIEMENS 3RV2021-4EA25

    SIEMENS

    3RV2021-4EA25

    CIRCUIT BREAKER, SIZE S0, FOR MOTOR PROTECTION, 400 A, 50/60 HZ
    ✓ IN STOCK!
    CAN$364.00 Buy Surplus As Low As CAN$277.00
    CAN$277.00
    Repair Yours CAN$250.00
    SIEMENS TSLN3M

    SIEMENS

    ITE SIEMENS

    TSLN3M

    CIRCUIT BREAKER GUARD, VL NG PG TERMINAL SHIELD
    ✓ IN STOCK!
    CAN$666.88 Buy Surplus As Low As CAN$377.00
    CAN$377.00
    SIEMENS BQD3100

    SIEMENS

    ITE SIEMENS

    BQD3100

    CIRCUIT BREAKER, TYPE BQD, 3 POLE, 100 AMP, 277/480V, 14KA @ 480V, BOLT-ON
    ✓ IN STOCK!
    CAN$656.00 Buy Surplus As Low As CAN$392.15
    CAN$392.15
    Repair Yours CAN$250.00
    SIEMENS BQD2100

    SIEMENS

    ITE SIEMENS

    BQD2100

    MOLDED CASE THERMAL MAGNETIC. BQD FRAME. 240 VAC/480 VAC STAR/277 VAC AT 60 HZ 125/250 VDC (UL). 100 AMPERE AT 40 DEG C. 2 POLE. INTERRUPTING RATING 65 KILOAMPERE AT 240 VAC 14 KILOAMPERE AT ...
    ✓ IN STOCK!
    CAN$780.00 Buy Surplus As Low As CAN$468.00
    CAN$468.00
    Repair Yours CAN$389.00
    SIEMENS HED43B020

    SIEMENS

    ITE SIEMENS

    HED43B020

    THERMAL MAGNETIC. 3 POLE. 480 VAC. 20 AMPERE AT 40 DEG C. INTERRUPTING RATING 100 KILOAMPERE AT 240 VAC 42 KILOAMPERE AT 480 VAC (UL). LUG LOAD TERMINAL TERMINAL. WIRE SIZE 12 TO 10 AWG (ALU ...
    ✓ IN STOCK!
    CAN$931.00 Buy Surplus As Low As CAN$559.00
    CAN$559.00
    Repair Yours CAN$464.00
    SIEMENS ED63S100A

    SIEMENS

    ITE SIEMENS

    ED63S100A

    CIRCUIT BREAKER, MOLDED CASE, W/ MAGNETIC ONLY TRIP UNIT, 100 AMP, 3 POLE, 600 V, 18 KA, ED FRAME, W/ STANDARD BREAKING CAPACITY
    ✓ IN STOCK!
    CAN$1,171.00 Buy Surplus As Low As CAN$562.40
    CAN$562.40
    Repair Yours CAN$466.79
    SIEMENS ED63B050

    SIEMENS

    ITE SIEMENS

    ED63B050

    CIRCUIT BREAKER, 50AMP, 3POLE, 600VAC, THERMAL- MAGNETIC TRIP UNIT
    ✓ IN STOCK!
    CAN$638.00 Buy Surplus As Low As CAN$383.01
    CAN$383.01
    Repair Yours CAN$318.00
    SIEMENS ED63A030

    SIEMENS

    ITE SIEMENS

    ED63A030

    CIRCUIT BREAKER, SENTRON, TYPE ED, 3 POLE, 30 AMP, 600V, 25KA @ 480V, BOLT-ON
    ✓ IN STOCK!
    CAN$1,624.27 Buy Surplus As Low As CAN$569.73
    CAN$569.73
    Repair Yours CAN$334.00
    SIEMENS ED43B040

    SIEMENS

    ED43B040

    CIRCUIT BREAKER, FRAME TYPE ED, THERMAL MAGNETIC, INSTANTANEOUS TRIP, 18 KA, 40 AMP, 3 POLE, 480 VAC, SIDE LUG TERMINAL, BOLT-ON , ED43B040 , ED43B040
    ✓ IN STOCK!
    CAN$1,271.83 Buy Surplus As Low As CAN$425.87
    CAN$425.87
    Repair Yours CAN$279.00
    SIEMENS ED23B030L

    SIEMENS

    ITE SIEMENS

    ED23B030L

    BRKR ED2 3P 240V 30A LUG, ED STD INTER TM BRKR, MOLDED CASE CIRCUIT BREAKERS , ED23B030L , ED23B030L
    ✓ IN STOCK!
    CAN$320.00 Buy Surplus As Low As CAN$192.00
    CAN$192.00
    Repair Yours CAN$250.00
    SIEMENS ED22B020

    SIEMENS

    ED22B020

    CIRCUIT BREAKER, SENTRON SERIES, TYPE ED2, 2 POLE, 20 AMP, 240 VAC, 10 KA, LD LUG , ED22B020
    ✓ IN STOCK!
    CAN$235.00 Buy Surplus As Low As CAN$141.00
    CAN$141.00
    SIEMENS CQD220

    SIEMENS

    CQD220

    BREAKER CQD 2P 20A 480/277V 14KA DIN, CIRCUIT BREAKER BQ & HB , CQD220 , CQD220
    ✓ IN STOCK!
    CAN$326.00 Buy Surplus As Low As CAN$248.00
    CAN$248.00
    Repair Yours CAN$250.00
    SIEMENS CQD215

    SIEMENS

    ITE SIEMENS

    CQD215

    CIRCUIT BREAKER, 15AMP, 2 POLE, 480/277V, 14KA, DIN
    ✓ IN STOCK!
    CAN$326.00 Buy Surplus As Low As CAN$196.00
    CAN$196.00
    Repair Yours CAN$250.00
    SIEMENS ED63A100

    SIEMENS

    ITE SIEMENS

    ED63A100

    CIRCUIT BREAKER, SENTRON, TYPE ED, 3 POLE, 3 PHASE, 100 AMP, 600V, 25KA @ 480V, BOLT-ON, LUGS NOT INCLUDED, MOTOR PROTECTION, 315-1000A MAGNETIC , ED63A100 , ED63A100
    ✓ IN STOCK!
    CAN$1,022.02 Buy Surplus As Low As CAN$613.59
    CAN$613.59
    Repair Yours CAN$427.00
    SIEMENS QE120

    SIEMENS

    ITE SIEMENS

    QE120

    QE120 CIRCUIT BREAKER, 20A, QE, CIRCUIT BREAKER, 240V, 20 AMP
    ✓ IN STOCK!
    CAN$186.00 Buy Surplus As Low As CAN$142.00
    CAN$142.00
    Repair Yours Contact Us
    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 CAN$239.78
    CAN$239.78
    Repair Yours CAN$564.67
    SCHNEIDER ELECTRIC 18347

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    18347

    CIRCUIT BREAKER, 125AMP, 2POLE, 415V, 50/60HZ, 6KV, BCURVE
    ✓ IN STOCK!
    CAN$423.51 Buy Surplus As Low As CAN$147.59
    CAN$147.59
    SCHNEIDER ELECTRIC LV429047

    SCHNEIDER ELECTRIC

    SQUARE D

    LV429047

    TM16D 16A 4P/3R NSX100/250
    ✓ IN STOCK!
    CAN$154.34 Buy Surplus As Low As CAN$50.56
    CAN$50.56
    Repair Yours CAN$564.67
    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!
    CAN$321.86 Buy Surplus As Low As CAN$69.06
    CAN$69.06
    Repair Yours CAN$564.67
    SCHNEIDER ELECTRIC MG27823

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    MG27823

    CIRCUIT BREAKER 100AMP 2P 220/415V
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$687.98
    CAN$687.98
    Repair Yours CAN$571.02
    SCHNEIDER ELECTRIC MG27820

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    MG27820

    CIRCUIT BREAKER 100AMP 2P 220/415V
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$687.98
    CAN$687.98
    Repair Yours CAN$571.02
    SCHNEIDER ELECTRIC MG29636

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    MG29636

    CIRCUIT BREAKER 100AMP 3P 220-690V 50/60HZ W/TRIP
    ✓ IN STOCK!
    CAN$2,249.46 Buy Surplus As Low As CAN$345.64
    CAN$345.64
    Repair Yours CAN$564.67
    SIEMENS 3VN4200-1HS00

    SIEMENS

    ITE SIEMENS

    3VN4200-1HS00

    CIRCUIT BREAKER 55AMP 3P 380-660VAC MOLDED CASE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$505.48
    CAN$505.48
    Repair Yours CAN$564.67
    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 CAN$690.97
    CAN$690.97
    SCHNEIDER ELECTRIC MG29124

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    MG29124

    TRIP UNIT 6.3AMP 3P 600VAC/DC
    ✓ IN STOCK!
    CAN$351.53 Buy Surplus As Low As CAN$54.13
    CAN$54.13
    Repair Yours CAN$564.67
    CHINT NX2-18DSL-A

    CHINT

    NX2-18DSL-A

    CONSUMER UNIT DUAL RCD
    ✓ IN STOCK!
    CAN$299.00 Buy Surplus As Low As CAN$108.42
    CAN$108.42
    Repair Yours CAN$564.67
    ASEA BROWN BOVERI 1SDA051146R1

    ASEA BROWN BOVERI

    1SDA051146R1

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 100A, 690 VAC, 50/60HZ 6KV
    ✓ IN STOCK!
    CAN$597.99 Buy Surplus As Low As CAN$258.92
    CAN$258.92
    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 CAN$190.39
    CAN$190.39
    Repair Yours CAN$564.67
    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 CAN$127.54
    CAN$127.54
    Repair Yours CAN$564.67
    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 CAN$239.78
    CAN$239.78
    Repair Yours CAN$564.67
    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 CAN$42.52
    CAN$42.52
    Repair Yours CAN$564.67
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