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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 801-850 of 906.
    SIEMENS ED61B015

    SIEMENS

    ITE SIEMENS

    ED61B015

    ED61B015 CIRCUIT BREAKER, 15A, ED, CIRCUIT BREAKER, 347V, 15 AMP
    ✓ IN STOCK!
    CAN$506.14 Buy Surplus As Low As CAN$171.92
    CAN$171.92
    Repair Yours CAN$300.00
    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 ED43B025

    SIEMENS

    ED43B025

    CIRCUIT BREAKER, TYPE ED4, 25 AMP, 3 POLE, 480 VAC, 50-60 HZ, FRAME ED, MOLDED CASE , ED43B025 , ED43B025
    ✓ IN STOCK!
    CAN$1,052.95 Buy Surplus As Low As CAN$424.81
    CAN$424.81
    Repair Yours CAN$278.76
    SIEMENS ED43B015

    SIEMENS

    ITE SIEMENS

    ED43B015

    CIRCUIT BREAKER, ED4 SERIES, 3-POLE, 480V, 15A
    ✓ IN STOCK!
    CAN$559.00 Buy Surplus As Low As CAN$315.84
    CAN$315.84
    Repair Yours CAN$279.00
    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!
    CAN$351.00 Buy Surplus As Low As CAN$211.00
    CAN$211.00
    Repair Yours CAN$250.00
    SIEMENS ED23B015

    SIEMENS

    ED23B015

    MOLDED CASE CIRCUIT BREAKER, SENTRON SERIES, THERMAL MAGNETIC, STANDARD RATING, TYPE ED, 240 VAC, 3 POLE, STANDARD 40 DEGREES C BREAKER, 15 AMP , ED23B015
    ✓ IN STOCK!
    CAN$351.00 Buy Surplus As Low As CAN$211.00
    CAN$211.00
    Repair Yours CAN$250.00
    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!
    CAN$159.00 Buy Surplus As Low As CAN$96.00
    CAN$96.00
    Repair Yours Contact Us
    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!
    CAN$872.91 Buy Surplus As Low As CAN$348.47
    CAN$348.47
    Repair Yours CAN$320.20
    EATON CORPORATION NZMB1-S18-CNA

    EATON CORPORATION

    CUTLER HAMMER

    NZMB1-S18-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 FBS250

    SIEMENS

    ITE SIEMENS

    FBS250

    CIRCUIT BREAKER SHOE, 140 MM, FD FRAME
    ✓ IN STOCK!
    CAN$1,139.00 Buy Surplus As Low As CAN$684.00
    CAN$684.00
    SIEMENS 3VL9300-8SA40

    SIEMENS

    3VL9300-8SA40

    (PRICE/PC) BREAKER VL IEC 3VL1 3 METRIC MTG SCR 4PC, IEC VL EXTERIOR ACCY
    ✓ IN STOCK!
    CAN$125.00 Buy Surplus As Low As CAN$83.00
    CAN$83.00
    EATON CORPORATION SPHM3HM07R5

    EATON CORPORATION

    CUTLER HAMMER

    SPHM3HM07R5

    HYD-MAG SUP PROTECTOR, 7.5AMP, UL1077, 3P, 277/480V, 3KAIC 8X IN
    ✓ IN STOCK!
    CAN$457.00 Buy Surplus As Low As CAN$274.00
    CAN$274.00
    Repair Yours CAN$250.00
    SIEMENS 5SY44168

    SIEMENS

    5SY44168

    MINIATURE CIRCUIT BREAKER, SENTRON, 4 POLE, 16 AMP, 440 VAC, 60 VDC, 50/60 HZ, D CURVE, SCREW TYPE TERMINAL, DIN RAIL MOUNT, -40 TO +70 DEGREES C, IP20
    ✓ IN STOCK!
    CAN$279.00 Buy Surplus As Low As CAN$143.13
    CAN$143.13
    Repair Yours CAN$300.00
    SIEMENS B340

    SIEMENS

    ITE SIEMENS

    B340

    CIRCUIT BREAKER, 40AMP, 3P, 240V, 10K, BL
    ✓ IN STOCK!
    CAN$128.00 Buy Surplus As Low As CAN$76.37
    CAN$76.37
    Repair Yours Contact Us
    SIEMENS MBKBL3

    SIEMENS

    MBKBL3

    BREAKER MOUNTING KIT, SENTRON SERIES, 3 POLE, RATED FOR 100 AMP, ALUMINUM, MAIN MOUNTING STYLE, BL / BLH / HBL
    ✓ IN STOCK!
    CAN$242.00 Buy Surplus As Low As CAN$146.00
    CAN$146.00
    SIEMENS FHOEC048

    SIEMENS

    FHOEC048

    BRKR ED MAX-FLEX 48IN. CABLE, SIEMENS LOW VOLTAGE SENTRON MOLDED CASE CIRCUIT BREAKER ACCESORY. 48 INCH CABLE FOR MAX-FLEX HANDLE OPERATOR. SUITS ED FRAME BREAKERS.
    ✓ IN STOCK!
    CAN$373.00 Buy Surplus As Low As CAN$284.00
    CAN$284.00
    SIEMENS ED63B025L

    SIEMENS

    ITE SIEMENS

    ED63B025L

    BRKR ED6 3P 600V 25A LUG, ED STD INTER TM BRKR, MOLDED CASE CIRCUIT BREAKERS , ED63B025L , ED63B025L
    ✓ IN STOCK!
    CAN$638.00 Buy Surplus As Low As CAN$485.00
    CAN$485.00
    Repair Yours CAN$318.00
    SIEMENS ED43B025L

    SIEMENS

    ED43B025L

    MOLDED CASE CIRCUIT BREAKER, SENTRON SERIES, THERMAL MAHNETIC, STANDARD RATING, TYPE ED, 480 VAC, 3 POLE, STANDARD 40 DEGREES C BREAKER, 25 AMP , ED43B025L , ED43B025L
    ✓ IN STOCK!
    CAN$559.00 Buy New CAN$559.00
    CAN$569.99
    Repair Yours CAN$279.00
    SIEMENS ED42B020

    SIEMENS

    ITE SIEMENS

    ED42B020

    CIRCUIT BREAKER, MOLDED CASE, SENTRON SERIES, 2 POLE, 20 AMPS, 18 KA AT 480 VAC, 50/60 HZ, FIXED, 3 PHASE
    ✓ IN STOCK!
    CAN$426.00 Buy Surplus As Low As CAN$256.00
    CAN$256.00
    Repair Yours CAN$250.00
    SIEMENS CQD350

    SIEMENS

    ITE SIEMENS

    CQD350

    CIRCUIT BREAKER, 50AMP, 3POLE, 480/277V, 14KA,
    ✓ IN STOCK!
    CAN$581.00 Buy Surplus As Low As CAN$349.00
    CAN$349.00
    Repair Yours CAN$290.00
    SIEMENS CQD320

    SIEMENS

    ITE SIEMENS

    CQD320

    CIRCUIT BREAKER, CQD TYPE, 3 POLE, 20 AMP, 480Y/277V, 14KA
    ✓ IN STOCK!
    CAN$581.00 Buy Surplus As Low As CAN$349.00
    CAN$349.00
    Repair Yours CAN$290.00
    SIEMENS CQD315

    SIEMENS

    ITE SIEMENS

    CQD315

    CIRCUIT BREAKER, CQD, 3P, 15A, 480/277V, 14KA DIN
    ✓ IN STOCK!
    CAN$581.00 Buy Surplus As Low As CAN$349.00
    CAN$349.00
    Repair Yours CAN$290.00
    SIEMENS CQD3100

    SIEMENS

    ITE SIEMENS

    CQD3100

    CIRCUIT BREAKER, CQD TYPE, 3 POLE, 100 AMP, 277 V AC, 50/60 HZ
    ✓ IN STOCK!
    CAN$783.00 Buy Surplus As Low As CAN$470.00
    CAN$470.00
    Repair Yours CAN$390.10
    SIEMENS MBKQJ3

    SIEMENS

    ITE SIEMENS

    MBKQJ3

    CIRCUIT BREAKER MOUNTING KIT, QJ FRAME, 3 PHASE, 600 V, 225 A, ALUMINUM
    ✓ IN STOCK!
    CAN$203.01 Buy Surplus As Low As CAN$183.01
    CAN$183.01
    Repair Yours CAN$250.00
    SIEMENS ED43B050

    SIEMENS

    ITE SIEMENS

    ED43B050

    THERMAL MAGNETIC. 3 POLE. 480 VAC. 50 AMPERE AT 40 DEG C. INTERRUPTING RATING 65 KILOAMPERE AT 240 VAC 18 KILOAMPERE AT 480 VAC (UL). LUG LOAD TERMINAL TERMINAL. WIRE SIZE 10 TO 1/0 AWG (ALU ...
    ✓ IN STOCK!
    CAN$559.00 Buy Surplus As Low As CAN$336.00
    CAN$336.00
    Repair Yours CAN$279.00
    SIEMENS BQ3B020

    SIEMENS

    ITE SIEMENS

    BQ3B020

    MOLDED CASE THERMAL MAGNETIC. BQ FRAME. 240 VAC AT 60 HZ. 20 AMPERE AT 40 DEG C. 3 POLE. INTERRUPTING RATING 10 KILOAMPERE. TERMINAL LOAD LUG. SIZE 3 INCH W X 3 INCH D X 3-3/4 INCH H. BQ MOD ...
    ✓ IN STOCK!
    CAN$185.24 Buy Surplus As Low As CAN$88.91
    CAN$88.91
    Repair Yours CAN$300.00
    SIEMENS BE120

    SIEMENS

    ITE SIEMENS

    BE120

    CIRCUIT BREAKER, TYPE BLE, GFCI 30MA, 20AMP, 1 POLE, 120VAC, 10KA
    ✓ IN STOCK!
    CAN$220.00 Buy Surplus As Low As CAN$110.80
    CAN$110.80
    Repair Yours CAN$300.00
    SIEMENS 3RV1011-1KA10

    SIEMENS

    3RV1011-1KA10

    MOTOR PROTECTOR. 3 PHASE RATING 3 HP AT 200/230 VAC 7-1/2 HP AT 460 VAC 10 HP AT 575 VAC. 1 PHASE RATING 1/2 HP AT 115 VAC 2 HP AT 230 VAC. 12 AMPERE. 3 POLE. SIZE FRAME 45 MM. DIN RAIL ENCL ...
    ✓ IN STOCK!
    CAN$209.00 Buy Surplus As Low As CAN$126.00
    CAN$126.00
    EATON CORPORATION CH360

    EATON CORPORATION

    CUTLER HAMMER

    CH360

    60 AMP, 120/240 VAC, 3 POLE, PLUG IN TYPE CH CIRCUIT BREAKER, (MOQ=1, PKG QTY=1)
    ✓ IN STOCK!
    CAN$250.00 Buy Surplus As Low As CAN$150.00
    CAN$150.00
    Repair Yours CAN$250.00
    GENERAL ELECTRIC TED134050

    GENERAL ELECTRIC

    TED134050

    CIRCUIT BREAKER, THERMAL MAGNETIC, MOLDED CASE, 480 VAC, 50 AMP, 3 POLE, LOAD SIDE LUG
    ✓ IN STOCK!
    CAN$939.54 Buy Surplus As Low As CAN$563.72
    CAN$563.72
    Repair Yours CAN$341.71
    GENERAL ELECTRIC TED134020

    GENERAL ELECTRIC

    TED134020

    BREAKER, 20 AMP, 3-POLE, 480 VOLT AC, 250 VOLT DC, 5 KAIC, MOLDED CASE, THERMAL MAGNETIC
    ✓ IN STOCK!
    CAN$769.49 Buy Surplus As Low As CAN$230.84
    CAN$230.84
    Repair Yours CAN$300.00
    EATON CORPORATION CHB130

    EATON CORPORATION

    CUTLER HAMMER

    CHB130

    CIRCUIT BREAKER, 30 AMP, 1-POLE, 120/240 VAC
    ✓ IN STOCK!
    CAN$34.00 Buy Surplus As Low As CAN$21.00
    CAN$21.00
    Repair Yours Contact Us
    EATON CORPORATION CH220

    EATON CORPORATION

    CUTLER HAMMER

    CH220

    CIRCUIT BREAKER, CLASS STL, TYPE CH, 20 AMP, 2 POLE, 120/240 VAC
    ✓ IN STOCK!
    CAN$50.00 Buy Surplus As Low As CAN$31.00
    CAN$31.00
    Repair Yours Contact Us
    EATON CORPORATION EHD3100L

    EATON CORPORATION

    CUTLER HAMMER

    EHD3100L

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 480 VAC, 250 VDC, 3-POLE, 100 AMP, LINE AND LOAD TERMINALS
    ✓ IN STOCK!
    CAN$1,090.00 Buy Surplus As Low As CAN$654.00
    CAN$654.00
    Repair Yours CAN$542.82
    EATON CORPORATION EHD1015

    EATON CORPORATION

    CUTLER HAMMER

    EHD1015

    CIRCUIT BREAKER, 1 POLE, 15A; PRODUCT RANGE:C SERIES; CURRENT RATING:15A; NO. OF POLES:1 POLE; VOLTAGE RATING VDC:125V; VOLTAGE RATING VAC:277V; CIRCUIT BREAKER MOUNTING:DIN RAIL, PANEL ROHS ...
    ✓ IN STOCK!
    CAN$281.00 Buy Surplus As Low As CAN$169.00
    CAN$169.00
    Repair Yours CAN$250.00
    EATON CORPORATION SPHM2RM0015

    EATON CORPORATION

    CUTLER HAMMER

    SPHM2RM0015

    15AMP HYD-MAG SUP PROTECTOR UL1077 2P 277/480V 3KAIC 18X IN-
    ✓ IN STOCK!
    CAN$281.00 Buy Surplus As Low As CAN$214.00
    CAN$214.00
    EATON CORPORATION QC2060

    EATON CORPORATION

    CUTLER HAMMER

    QC2060

    CIRCUIT BREAKER, TYPE QC, 2 POLE, 60 AMP, 120/240 VAC MAX, 10 KAIC
    ✓ IN STOCK!
    CAN$177.00 Buy Surplus As Low As CAN$107.00
    CAN$107.00
    Repair Yours Contact Us
    EATON CORPORATION GFCB120

    EATON CORPORATION

    CUTLER HAMMER

    GFCB120

    CIRCUIT BREAKER, 20AMP, 1POLE, 120VAC, GROUND FAULT
    ✓ IN STOCK!
    CAN$146.00 Buy Surplus As Low As CAN$70.40
    CAN$70.40
    EATON CORPORATION GFCB115

    EATON CORPORATION

    CUTLER HAMMER

    GFCB115

    CIRCUIT BREAKER, 15 AMP, 1 POLE, 120V AC, GROUND FAULT
    ✓ IN STOCK!
    CAN$146.00 Buy Surplus As Low As CAN$70.40
    CAN$70.40
    Repair Yours CAN$300.00
    EATON CORPORATION GD3015

    EATON CORPORATION

    CUTLER HAMMER

    GD3015

    MOLDED CASE CIRCUIT BREAKER, G FRAME, TYPE GD, 22 KAIC AT 480 VAC, 3 POLE, 15 AMP RATING
    ✓ IN STOCK!
    CAN$831.00 Buy Surplus As Low As CAN$399.20
    CAN$399.20
    Repair Yours CAN$331.34
    EATON CORPORATION HFD3015L

    EATON CORPORATION

    CUTLER HAMMER

    HFD3015L

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 3-POLE, 15 AMP, LINE AND LOAD TERMINALS
    ✓ IN STOCK!
    CAN$3,034.66 Buy Surplus As Low As CAN$211.80
    CAN$211.80
    Repair Yours CAN$250.00
    EATON CORPORATION 8MC600

    EATON CORPORATION

    CUTLER HAMMER

    8MC600

    (PRICE/EA), RATING PLUG, TYPE MC, FIXED, 600A, 8MC600
    ✓ IN STOCK!
    CAN$250.00 Buy Surplus As Low As CAN$150.00
    CAN$150.00
    SIEMENS CQD360

    SIEMENS

    ITE SIEMENS

    CQD360

    CIRCUIT BREAKER, 60 AMP, 3 POLE, 480/277 VAC, MOLDED CASE, LUG TERMINALS, DIN RAIL MOUNT
    ✓ IN STOCK!
    CAN$581.00 Buy Surplus As Low As CAN$349.00
    CAN$349.00
    Repair Yours CAN$290.00
    SIEMENS TA2K500

    SIEMENS

    TA2K500

    LUG TERMINAL KIT, SENTRON SERIES, SINGLE TERMINAL, 500-600A, 2 BARREL, 250-500 KCMIL WIRE, ALUMINUM METAL, FIELD INSTALLABLE, SUITABLE FOR USE HN SERIES/K-FRAME , TA2K500 , TA2K500
    ✓ IN STOCK!
    CAN$159.00 Buy Surplus As Low As CAN$96.00
    CAN$96.00
    SIEMENS RHOSSD

    SIEMENS

    FURNAS ELECTRIC CO

    RHOSSD

    ROTARY SHAFT, 2 INCH LENGTH, FOR ROTARY OPERATING MECHANISM, SUITS ED / FD / JD / LD / LMD FRAME BREAKERS , RHOSSD
    ✓ IN STOCK!
    CAN$69.00 Buy Surplus As Low As CAN$53.00
    CAN$53.00
    SIEMENS FHOEC036

    SIEMENS

    FHOEC036

    BREAKER CABLE, ED MAX-FLEX, 36" CABLE WITH RETURN SPRING
    ✓ IN STOCK!
    CAN$312.00 Buy Surplus As Low As CAN$188.00
    CAN$188.00
    Repair Yours CAN$250.00
    SIEMENS Q370

    SIEMENS

    Q370

    MOLDED CASE CIRCUIT BREAKER, STANDARD INTERRUPTING CAPACITY, 3 POLE, 3 PHASE, 240 VAC, 70 AMP, PLUG-IN CONNECTION TYPE, LI- LONG-TIME & INSTANTANEOUS TRIP FUNCTIONS , Q370 , Q370
    ✓ IN STOCK!
    CAN$283.23 Buy Surplus As Low As CAN$169.94
    CAN$169.94
    Repair Yours CAN$250.00
    SIEMENS Q360

    SIEMENS

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    Q360

    CIRCUIT BREAKER, 60 AMP, 3 POLE, 240 VAC, COMMON-TRIP, 10 KA, TYPE QP, PLUG-IN, 10,000A IR, NON-INTERCHANGEABLE TRIP, SCREW TERMINAL
    ✓ IN STOCK!
    CAN$230.09 Buy Surplus As Low As CAN$110.44
    CAN$110.44
    Repair Yours CAN$300.00
    SIEMENS Q350

    SIEMENS

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    Q350

    CIRCUIT BREAKER, TYPE QP, 50AMP, 3POLE, 240V, 10KA, STANDARD INTERRUPTING CAPACITY, PLUG-IN, THERMAL MAGNETIC
    ✓ IN STOCK!
    CAN$230.09 Buy Surplus As Low As CAN$138.05
    CAN$138.05
    Repair Yours CAN$250.00
    SIEMENS Q230

    SIEMENS

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    Q230

    PLUG-IN BREAKER, TYPE Q R, 30 AMP, 2 POLE, 120/240V, 10K , Q230
    ✓ IN STOCK!
    CAN$31.40 Buy Surplus As Low As CAN$12.14
    CAN$12.14
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