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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 301-350 of 892.
    EATON CORPORATION EHD3020

    EATON CORPORATION

    CUTLER HAMMER

    EHD3020

    CIRCUIT BREAKER, 3 POLE, 20A; PRODUCT RANGE:C SERIES; CURRENT RATING:20A; NO. OF POLES:3 POLE; VOLTAGE RATING VDC:250V; VOLTAGE RATING VAC:480V; CIRCUIT BREAKER MOUNTING:DIN RAIL, PANEL ROHS ...
    ✓ IN STOCK!
    CAN$1,157.81 Buy Surplus As Low As CAN$518.61
    CAN$518.61
    Repair Yours CAN$454.84
    EATON CORPORATION QC2050

    EATON CORPORATION

    CUTLER HAMMER

    QC2050

    CIRCUIT BREAKER, QUICKLAG, 2 POLE, 50 AMP, 120/240 VAC MAX, 10KAIC
    ✓ IN STOCK!
    CAN$70.29 Buy Surplus As Low As CAN$46.39
    CAN$46.39
    Repair Yours CAN$360.00
    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 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 WMS-1C02

    EATON CORPORATION

    CUTLER HAMMER

    WMS-1C02

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 2 AMP, 1 POLE, 120/277 VAC,C-CURVE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$51.29
    CAN$51.29
    IDEC NRAS1100-2A-AA

    IDEC

    NRAS1100-2A-AA

    CIRCUIT BREAKER, NRA SERIES, LEVER MODEL, ROUND CUTOUT, 1 POLE, SERIES TRIP, NO AUX, 2 AMP RATED, AC CURVE
    ✓ IN STOCK!
    CAN$30.49 Buy New CAN$30.49
    CAN$18.30
    IDEC NRAS2100-10A-AA

    IDEC

    NRAS2100-10A-AA

    CIRCUIT BREAKER, NRA SERIES, LEVER MODEL, ROUND CUTOUT, 2 POLES, SERIES TRIP, NO AUX, 10 AMP RATED, AC CURVE
    ✓ IN STOCK!
    CAN$58.84 Buy New CAN$58.84
    CAN$28.43
    SIEMENS 3RV1021-0DA10

    SIEMENS

    FURNAS ELECTRIC CO

    3RV1021-0DA10

    DISCONTINUED BY MANUFACTURER, SINCE 01.10.2019, CIRCUIT BREAKER, FOR MOTOR PROTECTOR, SIZE S0, 0.22-0.32 AMP, 10-14 AWG, SUCCESSOR: 3RV2011-0DA10
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$100.23
    CAN$100.23
    SIEMENS 3RV1935-3A

    SIEMENS

    FURNAS ELECTRIC CO

    3RV1935-3A

    BUSBAR, 3-PHASE, FOR 3RV2 CIRCUIT BREAKERS, SIZE S2, 108 AMP, 690 VAC, 75 MM MODULAR SPACING, IP20
    ✓ IN STOCK!
    CAN$66.00 Buy Surplus As Low As CAN$44.00
    CAN$44.00
    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 EHD1020

    EATON CORPORATION

    CUTLER HAMMER

    EHD1020

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 480 VAC, 250 VDC, SINGLE POLE, 20 AMP, LOAD SIDE LUGS ONLY
    ✓ IN STOCK!
    CAN$250.52 Buy Surplus As Low As CAN$150.31
    CAN$150.31
    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 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$699.84
    CAN$699.84
    Repair Yours CAN$602.00
    EATON CORPORATION FD3070L

    EATON CORPORATION

    CUTLER HAMMER

    FD3070L

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 3-POLE, 70 AMP, LINE AND LOAD TERMINALS
    ✓ IN STOCK!
    CAN$1,032.23 Buy Surplus As Low As CAN$604.80
    CAN$604.80
    Repair Yours CAN$360.00
    EATON CORPORATION FS240015A

    EATON CORPORATION

    CUTLER HAMMER

    FS240015A

    CIRCUIT BREAKER, 15AMP, 2POLE, 480VAC, W/LUGS
    ✓ IN STOCK!
    CAN$405.98 Buy Surplus As Low As CAN$11.43
    CAN$11.43
    Repair Yours CAN$364.52
    FUJI ELECTRIC BU-ECA-3100

    FUJI ELECTRIC

    BU-ECA-3100

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 240 VAC, 100 AMP, 50/60 HZ, 3 POLE, 10 KAMP
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$392.27
    CAN$392.27
    EATON CORPORATION EHD3030

    EATON CORPORATION

    CUTLER HAMMER

    EHD3030

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 480 VAC, 250 VDC, 3-POLE, 30 AMP, LOAD SIDE LUGS ONLY
    ✓ IN STOCK!
    CAN$1,004.02 Buy Surplus As Low As CAN$602.41
    CAN$602.41
    Repair Yours CAN$500.00
    EATON CORPORATION FDB3015L

    EATON CORPORATION

    CUTLER HAMMER

    FDB3015L

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 3-POLE, 15 AMP, LINE AND LOAD TERMINALS
    ✓ IN STOCK!
    CAN$981.00 Buy Surplus As Low As CAN$559.17
    CAN$559.17
    Repair Yours CAN$464.11
    EATON CORPORATION FDB3060L

    EATON CORPORATION

    CUTLER HAMMER

    FDB3060L

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 3-POLE, 60 AMP, LINE AND LOAD TERMINALS
    ✓ IN STOCK!
    CAN$1,646.01 Buy Surplus As Low As CAN$694.93
    CAN$694.93
    Repair Yours CAN$362.15
    FUJI ELECTRIC EA32-10

    FUJI ELECTRIC

    EA32-10

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 10 AMP, 2 POLE, 220 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$91.41
    CAN$91.41
    SIEMENS 3VU1300-2ML00

    SIEMENS

    FURNAS ELECTRIC CO

    3VU1300-2ML00

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 80 AMP, 3 POLE, 415V
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$111.72
    CAN$111.72
    SIEMENS 5SG7713

    SIEMENS

    ITE SIEMENS

    5SG7713

    DISCONTINUED BY MANUFACTURER 01/01/2011, SWITCH FUSE, FOR NEOZED FUSE LINK, 2-16 AMP, 1 POLE, 230/400 VAC, DIN RAIL MOUNT, SUCCESSOR: 5SG7611-0KK16
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$30.19
    CAN$30.19
    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
    SIEMENS B240

    SIEMENS

    ITE SIEMENS

    B240

    CIRCUIT BREAKER, THERMAL MAGNETIC, 40 AMP, 2 POLE, 120/240V AC, TYPE BLOCK, BOLT-ON
    ✓ IN STOCK!
    CAN$49.95 Buy Surplus As Low As CAN$25.35
    CAN$25.35
    Repair Yours Contact Us
    SIEMENS B260

    SIEMENS

    ITE SIEMENS

    B260

    CIRCUIT BREAKER, 60 AMP, 2-POLE, TYPE BL
    ✓ IN STOCK!
    CAN$54.86 Buy Surplus As Low As CAN$31.47
    CAN$31.47
    Repair Yours Contact Us
    SIEMENS B3100

    SIEMENS

    ITE SIEMENS

    B3100

    CIRCUIT BREAKER, 100 AMP, 3 POLE, 240 V, 10 KAIC BL
    ✓ IN STOCK!
    CAN$296.24 Buy Surplus As Low As CAN$124.47
    CAN$124.47
    SIEMENS B370

    SIEMENS

    ITE SIEMENS

    B370

    BREAKER, 70AMP, 3POLE, 240V, BLACK
    ✓ IN STOCK!
    CAN$189.00 Buy Surplus As Low As CAN$109.85
    CAN$109.85
    Repair Yours Contact Us
    SIEMENS BF1-B030

    SIEMENS

    ITE SIEMENS

    BF1-B030

    MOLDED CASE CIRCUIT BREAKER, GROUND FAULT, TYPE: BQF, 1 POLE, 30 AMPS, 120 VOLTS
    ✓ IN STOCK!
    CAN$580.81 Buy Surplus As Low As CAN$414.86
    CAN$414.86
    Repair Yours CAN$368.95
    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!
    CAN$30.00 Buy Surplus As Low As CAN$16.93
    CAN$16.93
    Repair Yours Contact Us
    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
    SIEMENS BQD350

    SIEMENS

    ITE SIEMENS

    BQD350

    CIRCUIT BREAKER, MOLDED CASE, TYPE BQD, 50 AMP, 3 POLE, 480 VAC, 14 KA
    CAN$483.00 Buy Surplus As Low As CAN$288.34
    CAN$288.34
    Repair Yours CAN$250.00
    SIEMENS ED22B015

    SIEMENS

    ITE SIEMENS

    ED22B015

    CIRCUIT BREAKER, 15 AMP, 2 POLE, 240 VAC
    ✓ IN STOCK!
    CAN$400.75 Buy Surplus As Low As CAN$199.73
    CAN$199.73
    Repair Yours CAN$360.00
    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 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 ED42B015

    SIEMENS

    ITE SIEMENS

    ED42B015

    CIRCUIT BREAKER, ED4 SERIES, 480 VAC, 15 AMP, 2 POLE, 250 VDC CONTROL RANGE
    ✓ IN STOCK!
    CAN$2,233.95 Buy Surplus As Low As CAN$510.45
    CAN$510.45
    Repair Yours CAN$360.00
    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 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 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 5SX2203-8

    SIEMENS

    5SX2203-8

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 5SX2, 2 POLE, 480 VAC, 3 AMP, D TRIP CURVE, HIGH INRUSH, (5SX22-D3)
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$15.25
    CAN$15.25
    SIEMENS ED61B015

    SIEMENS

    ITE SIEMENS

    ED61B015

    ED61B015 CIRCUIT BREAKER, 15A, ED, CIRCUIT BREAKER, 347V, 15 AMP
    ✓ IN STOCK!
    CAN$479.59 Buy Surplus As Low As CAN$171.92
    CAN$171.92
    Repair Yours CAN$250.00
    SIEMENS 5SX2205-7

    SIEMENS

    5SX2205-7

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 5SX2, 2 POLE, 480 VAC, 0.5 AMP, C TRIP CURVE, STANDARD, (5SX22-C0.5)
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$15.25
    CAN$15.25
    SIEMENS ED63B015L

    SIEMENS

    SIEMENS INDUSTRY

    ED63B015L

    CIRCUIT BREAKER, LOW VOLTAGE, 15 AMP, 3 POLE, THERMAL MAGNETIC TRIP, 18 KAIC @ 600V, 25 KAIC @ 480V, LINE AND LOAD SIDE LUGS
    ✓ IN STOCK!
    CAN$1,166.10 Buy Surplus As Low As CAN$530.02
    CAN$530.02
    Repair Yours CAN$360.00
    SIEMENS ED63B040

    SIEMENS

    ITE SIEMENS

    ED63B040

    CIRCUIT BREAKER, SENTRON SERIES, 40 AMP, 3 POLE, 3 PHASE, 600V
    ✓ IN STOCK!
    CAN$1,648.98 Buy Surplus As Low As CAN$501.84
    CAN$501.84
    Repair Yours CAN$360.00
    SIEMENS 5SX2302-7

    SIEMENS

    5SX2302-7

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 5SX2, 3 POLE, 480 VAC, 2 AMP, C TRIP CURVE, STANDARD, (5SX23-C2)
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$53.36
    CAN$53.36
    SIEMENS 5SX2303-7

    SIEMENS

    5SX2303-7

    DISCONTINUED BY MANUFACTURER, MINIATURE CIRCUIT BREAKER, 5SX2, 3 POLE, 480 VAC, 3 AMP, C TRIP CURVE, STANDARD, (5SX23-C3)
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$50.82
    CAN$50.82
    FUJI ELECTRIC CP31D-5A

    FUJI ELECTRIC

    CP31D-5A

    DISCONTINUED BY MANUFACTURER, CIRCUIT PROTECTOR, 5 AMP, 1 POLE, 250 VAC, 1 KA
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$35.76
    CAN$35.76
    SIEMENS 3VU9135-1AB02

    SIEMENS

    FURNAS ELECTRIC CO

    3VU9135-1AB02

    DISCONTINUED BY MANUFACTURER, BUSBAR, 690V, 63AMP, LINE SIDE FEEDER, FOR USE WITH 3VU13
    ✓ IN STOCK!
    CAN$71.05 Buy Surplus As Low As CAN$40.08
    CAN$40.08
    SIEMENS 3VU9135-1AB03

    SIEMENS

    FURNAS ELECTRIC CO

    3VU9135-1AB03

    DISCONTINUED BY MANUFACTURER, BUSS BAR, 3 PHASE, 65 AMP, 600 VAC
    ✓ IN STOCK!
    CAN$74.05 Buy Surplus As Low As CAN$43.66
    CAN$43.66
    SIEMENS 5SG7-723

    SIEMENS

    ITE SIEMENS

    5SG7-723

    MINIZED SWITCH FUSE,16A,FOR NEOZED FUSE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$79.34
    CAN$79.34
    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
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