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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 1-50 of 902.
    GENERAL ELECTRIC TFL236225WL

    GENERAL ELECTRIC

    TFL236225WL

    CIRCUIT BREAKER, MOLDED CASE, TYPE TFL, 3P, 3PH, 225A, 600V, 65KA@480V, HIGH INTERRUPTING CAPACITY, FEED-THRU, COMPLETE WITH NON-INTERCHANGEABLE TRIP, LI - LONG-TIME AND INSTANTANEOUS TRIP F ...
    ✓ IN STOCK!
    CAN$7,645.82 Buy Surplus As Low As CAN$3,497.50
    CAN$3,497.50
    Repair Yours Contact Us
    GENERAL ELECTRIC TJK636250WL

    GENERAL ELECTRIC

    TJK636250WL

    TJK6 3 POLE 600V 250 AMP- WL
    ✓ IN STOCK!
    CAN$17,547.78 Buy Surplus As Low As CAN$6,619.13
    CAN$6,619.13
    Repair Yours Contact Us
    GENERAL ELECTRIC TK83PD2A

    GENERAL ELECTRIC

    TK83PD2A

    GENERAL ELECTRIC,TK83PD2A,PLUG IN BASE ASSEMBLY,3POLE,800AMP,600V,PLUG IN BASE FOR J600/K1200 CIRCUIT BREAKER,W/MOUNT HARDWARE,600 V 800A 3P
    ✓ IN STOCK!
    CAN$3,484.87 Buy Surplus As Low As CAN$1,597.23
    CAN$1,597.23
    GENERAL ELECTRIC TKMA2Y1000

    GENERAL ELECTRIC

    TKMA2Y1000

    K FRAME, NON AUTO TRIP, 1000 AMPS, 2 POLE, 600 VOLTS
    ✓ IN STOCK!
    CAN$2,940.36 Buy Surplus As Low As CAN$1,078.13
    CAN$1,078.13
    Repair Yours Contact Us
    GENERAL ELECTRIC TKMA836700

    GENERAL ELECTRIC

    TKMA836700

    CIRCUIT BREAKER, 3 POLE, 600 VOLTS, 700 AMP
    ✓ IN STOCK!
    CAN$10,139.96 Buy Surplus As Low As CAN$1,251.77
    CAN$1,251.77
    Repair Yours Contact Us
    GENERAL ELECTRIC TKMA836T400

    GENERAL ELECTRIC

    TKMA836T400

    3POLE 600V 800-AMP FRAME, TRIP ONLY
    ✓ IN STOCK!
    CAN$2,139.90 Buy Surplus As Low As CAN$855.38
    CAN$855.38
    Repair Yours Contact Us
    GENERAL ELECTRIC SKHB36BA0800

    GENERAL ELECTRIC

    SKHB36BA0800

    MOLDED CASE CIRCUIT BREAKER, 800A, K FRAME, 3POLE, 600VAC
    ✓ IN STOCK!
    CAN$11,729.73 Buy Surplus As Low As CAN$1,895.77
    CAN$1,895.77
    Repair Yours Contact Us
    GENERAL ELECTRIC TB13040BWE05

    GENERAL ELECTRIC

    TB13040BWE05

    CIRCUIT BREAKER, MOLDED CASE, TRI-BREAK, TB1 TYPE, 600 VAC, 40 AMP, 3 PHASE, 3 POLE
    ✓ IN STOCK!
    CAN$2,573.72 Buy Surplus As Low As CAN$1,286.86
    CAN$1,286.86
    Repair Yours Contact Us
    GENERAL ELECTRIC TB83T600

    GENERAL ELECTRIC

    TB83T600

    TRIP UNIT 600AMP 3P 600VAC
    ✓ IN STOCK!
    CAN$8,815.27 Buy Surplus As Low As CAN$3,746.35
    CAN$3,746.35
    Repair Yours Contact Us
    GENERAL ELECTRIC THHQC32045WL

    GENERAL ELECTRIC

    THHQC32045WL

    CIRCUIT BREAKER 3P 45A 240V 22KA , THHQC32045WL
    ✓ IN STOCK!
    CAN$1,794.60 Buy Surplus As Low As CAN$1,405.56
    CAN$1,405.56
    Repair Yours Contact Us
    GENERAL ELECTRIC TJK626F000

    GENERAL ELECTRIC

    TJK626F000

    MOLDED CASE CIRCUIT BREAKER, 600 AMP, 2 POLE, 600 VAC
    ✓ IN STOCK!
    CAN$4,771.60 Buy Surplus As Low As CAN$2,595.37
    CAN$2,595.37
    Repair Yours Contact Us
    GENERAL ELECTRIC TJK636500

    GENERAL ELECTRIC

    TJK636500

    CIRCUIT BREAKER, MOLDED CASE CIRCUIT BREAKER, THERMAL MAGNETIC, 500 AMP, 600 VAC, 3 POLE, 3 PHASE, LONG TIME / INSTANTANEOUS, BOLT-ON CONNECTION
    ✓ IN STOCK!
    CAN$3,252.46 Buy Surplus As Low As CAN$1,621.87
    CAN$1,621.87
    Repair Yours Contact Us
    GENERAL ELECTRIC TJK636T500

    GENERAL ELECTRIC

    TJK636T500

    TRIP UNIT, TYPE TJK, 500 AMP, 3 POLE, 600 V
    ✓ IN STOCK!
    CAN$1,411.95 Buy Surplus As Low As CAN$847.17
    CAN$847.17
    GENERAL ELECTRIC TJK636T600

    GENERAL ELECTRIC

    TJK636T600

    TRIP UNIT, J600 LINE, TYPE TJK, J600 LINE, INTERCHANGEABLE TRIP, LI - LONG-TIME AND INSTANTANEOUS TRIP FUNCTIONS, RATED FOR 600A, SUITABLE FOR 600A FRAME- TJK, THJK MOLDED CASE CIRCUIT BREAK ...
    ✓ IN STOCK!
    CAN$1,910.54 Buy Surplus As Low As CAN$974.41
    CAN$974.41
    GENERAL ELECTRIC TJK636TM1600

    GENERAL ELECTRIC

    TJK636TM1600

    DISCONTINUED BY MANUFACTURER, TJK TRIP UNIT ONLY, 600A, MAG, ONLY 3-POLE ,TRIP UNIT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$2,021.07
    CAN$2,021.07
    Repair Yours Contact Us
    GENERAL ELECTRIC TJK636TM2600

    GENERAL ELECTRIC

    TJK636TM2600

    TRIP UNIT, INTERCHANGABLE, J600 LINE, TJK TYPE, I-INSTANTANEOUS ONLY TRIP FUNCTION, 600 AMP, MAGNETIC RANGE 1800-6000 AMP, SUITABLE FOR 600A FRAME / TJK / THJK / MCP MAGNETIC ONLY CIRCUIT BR ...
    ✓ IN STOCK!
    CAN$2,637.47 Buy Surplus As Low As CAN$2,178.63
    CAN$2,178.63
    Repair Yours Contact Us
    GENERAL ELECTRIC TKMA826800

    GENERAL ELECTRIC

    TKMA826800

    CIRCUIT BREAKER, 800 AMP, 2 POLE, 600 VAC
    ✓ IN STOCK!
    CAN$11,591.84 Buy Surplus As Low As CAN$2,090.92
    CAN$2,090.92
    Repair Yours Contact Us
    GENERAL ELECTRIC TKMA836800

    GENERAL ELECTRIC

    TKMA836800

    CIRCUIT BREAKER, 800 AMP, 3 POLE, 600 VAC
    ✓ IN STOCK!
    CAN$4,695.49 Buy Surplus As Low As CAN$2,300.01
    CAN$2,300.01
    Repair Yours Contact Us
    GENERAL ELECTRIC TKMA836800WL

    GENERAL ELECTRIC

    TKMA836800WL

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, MOLDED CASE, 800AMP, 3POLE, 600V, W/LUGS
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,827.73
    CAN$1,827.73
    Repair Yours Contact Us
    GENERAL ELECTRIC TKMA836T450

    GENERAL ELECTRIC

    TKMA836T450

    K FRAME
    ✓ IN STOCK!
    CAN$1,402.94 Buy Surplus As Low As CAN$1,062.28
    CAN$1,062.28
    Repair Yours Contact Us
    GENERAL ELECTRIC TKMA836T600

    GENERAL ELECTRIC

    TKMA836T600

    TRIP UNIT, INTERCHANGEABLE, THERMAL MAGNETIC, K FRAME, INSTANTANEOUS ADJUSTMENT, TKM MODEL, 800AMP, 3POLE 600V
    ✓ IN STOCK!
    CAN$1,176.14 Buy Surplus As Low As CAN$980.12
    CAN$980.12
    Repair Yours Contact Us
    GENERAL ELECTRIC TFK236100

    GENERAL ELECTRIC

    TFK236100

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 100-AMP, 3-POLE, 600-1250V
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,649.93
    CAN$1,649.93
    Repair Yours Contact Us
    GENERAL ELECTRIC TJJ426250

    GENERAL ELECTRIC

    TJJ426250

    MOLDED CASE CIRCUIT BREAKER, TYPE TJJ, CU-AL LOAD LUGS, 250AMPS, 600VAC, 2POLES
    ✓ IN STOCK!
    CAN$4,849.71 Buy Surplus As Low As CAN$1,637.60
    CAN$1,637.60
    Repair Yours Contact Us
    WESTINGHOUSE EB3090L

    WESTINGHOUSE

    EB3090L

    CIRCUIT BREAKER 90AMP 3POLE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$864.41
    CAN$864.41
    Repair Yours Contact Us
    GENERAL ELECTRIC FVK463R

    GENERAL ELECTRIC

    FVK463R

    DISCONTINUED BY MANUFACTURER, BUS PLUG, 100 AMP, 3 PHASE, 480 VAC, 4 WATT, 3 PHASE, STYLE 4
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$4,157.71
    CAN$4,157.71
    GENERAL ELECTRIC TB13070BWE09

    GENERAL ELECTRIC

    TB13070BWE09

    MOLDED CASE CIRCUIT BREAKER, 70AMP, 3P, 600V
    ✓ IN STOCK!
    CAN$1,360.77 Buy Surplus As Low As CAN$736.38
    CAN$736.38
    Repair Yours Contact Us
    GENERAL ELECTRIC TB13080BWE09

    GENERAL ELECTRIC

    TB13080BWE09

    CIRCUIT BREAKER, 80AMP, 3POLE, 600VAC, TRI-BREAK
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$753.57
    CAN$753.57
    Repair Yours Contact Us
    GENERAL ELECTRIC TBC63600J14L

    GENERAL ELECTRIC

    TBC63600J14L

    CIRCUIT BREAKER, MOLDED CASE, 600 AMPS, 3 POLE, 600 VAC MAX, PANEL MOUNT, BOX LUG TERMINAL,W/ INTEGRAL CURRENT LIMITER
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,831.43
    CAN$1,831.43
    Repair Yours Contact Us
    WESTINGHOUSE HM2P400X5W

    WESTINGHOUSE

    HM2P400X5W

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 400 A, 2-POLE, 600 V AC, 250 V DC, 2000-4000 A MAG TRIP RANGE
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,981.63
    CAN$1,981.63
    Repair Yours Contact Us
    WESTINGHOUSE MA3600

    WESTINGHOUSE

    MA3600

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 600 AMP, 3 POLE, 600 V, BOLT ON MOUNTING, MAGNETIC CONTACTOR TYPE
    ✓ IN STOCK!
    CAN$3,620.23 Buy Surplus As Low As CAN$2,381.72
    CAN$2,381.72
    Repair Yours Contact Us
    SIEMENS 3RV1142-4JA10

    SIEMENS

    FURNAS ELECTRIC CO

    3RV1142-4JA10

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, SIZE S3, A-RELEASE 45-63 AMP, SHORT-CIRCUIT RELEASE 819 AMP, WITH OVER RELAY FUNCTION, MOTOR PROTECTION UP TO 100KA, CLASS 10, SCREW TERMINAL, ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$2,297.23
    CAN$2,297.23
    GENERAL ELECTRIC TJ34400TMD3

    GENERAL ELECTRIC

    TJ34400TMD3

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER TRIP, 400 A, MINE DUTY
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,153.19
    CAN$1,153.19
    Repair Yours Contact Us
    GENERAL ELECTRIC TJ43PD2A

    GENERAL ELECTRIC

    TJ43PD2A

    GENERAL ELECTRIC,TJ3PD2A, PLUG-IN BASE ASSEMBLY,TYPE J-400,3POLE,600 V,800AMP,PLUG IN BASE FOR J600/K1200 CIRCUIT BREAKER,W/MOUNTING HARDWARE, 3P 800AMP 600V
    ✓ IN STOCK!
    CAN$2,974.73 Buy Surplus As Low As CAN$997.54
    CAN$997.54
    GENERAL ELECTRIC TEL136015WL

    GENERAL ELECTRIC

    TEL136015WL

    CIRCUIT BREAKER, 15AMP, 3POLE, 600V
    ✓ IN STOCK!
    CAN$1,749.90 Buy Surplus As Low As CAN$960.24
    CAN$960.24
    Repair Yours Contact Us
    GENERAL ELECTRIC TEL136025WL

    GENERAL ELECTRIC

    TEL136025WL

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, CURRENT LIMITING, 25 AMP, 3 POLE, 600 VOLT
    ✓ IN STOCK!
    CAN$1,389.82 Buy Surplus As Low As CAN$972.87
    CAN$972.87
    Repair Yours Contact Us
    GENERAL ELECTRIC TEL136100WL

    GENERAL ELECTRIC

    TEL136100WL

    CIRCUIT BREAKER, 65KAIC, 480V, FEED-THRU, 3 PHASE, LONG TIME & INSTANTANEOUS TRIP FUNCTIONS, THERMAL MAGNETIC, HIGH INTERRUPTING CAPACITY, NON-INTERCHANGEABLE TRIP, LINE & LOAD SIDE LUG TERM ...
    ✓ IN STOCK!
    CAN$1,833.91 Buy Surplus As Low As CAN$1,081.31
    CAN$1,081.31
    GENERAL ELECTRIC TKL4V4608

    GENERAL ELECTRIC

    TKL4V4608

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 800 AMP, 3 POLE, 600 V
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$5,808.10
    CAN$5,808.10
    Repair Yours Contact Us
    SIEMENS 3RV1742-5QD10

    SIEMENS

    FURNAS ELECTRIC CO

    3RV1742-5QD10

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 3P, 70A
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$3,661.57
    CAN$3,661.57
    Repair Yours Contact Us
    SIEMENS EH2-B150

    SIEMENS

    ITE SIEMENS

    EH2-B150

    CIRCUIT BREAKER 150AMP 2POLE 480VOLT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,210.22
    CAN$1,210.22
    Repair Yours Contact Us
    EATON CORPORATION FD3125LA02S2605

    EATON CORPORATION

    CUTLER HAMMER

    FD3125LA02S2605

    CIRCUIT BREAKER 125AMP 600VAC 3POLES
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,052.37
    CAN$1,052.37
    Repair Yours Contact Us
    UNITED TECHNOLOGIES HH83XB447

    UNITED TECHNOLOGIES

    CARRIER

    HH83XB447

    CIRCUIT BREAKER , HH83XB447
    ✓ IN STOCK!
    CAN$968.50 Buy Surplus As Low As CAN$736.18
    CAN$736.18
    Repair Yours Contact Us
    EATON CORPORATION HJDDC3225

    EATON CORPORATION

    CUTLER HAMMER

    HJDDC3225

    EATON PV GUARD / SOLAR COMPLETE MOLDED CASE CIRCUIT BREAKER
    ✓ IN STOCK!
    CAN$3,137.49 Buy Surplus As Low As CAN$1,325.27
    CAN$1,325.27
    Repair Yours Contact Us
    FEDERAL PACIFIC ELECTRIC NJL631225

    FEDERAL PACIFIC ELECTRIC

    NJL631225

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 225 AMP, 3 P, 3 PH, 600 V, 30 KA @ 480 V, BOLT ON, STANDARD INTERRUPTING, MOLDED CASE BRAKER, NO DIRECT REPLACEMENT
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$766.66
    CAN$766.66
    Repair Yours Contact Us
    SIEMENS 3VF3111-5DN71-0AB1

    SIEMENS

    3VF3111-5DN71-0AB1

    DISCONTINUED BY MANUFACTURER 10/17/2014, CIRCUIT BREAKER, 3 POLE, FOR MOTOR PROTECTION, 40-80 AMP, 35 KA / 415 V, OVERCURRENT RELEASE, FIXED-MOUNTED, 1 AUXILIARY SWITCH, W/O PHASE-FAILURE SE ...
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,103.54
    CAN$1,103.54
    Repair Yours Contact Us
    EATON CORPORATION NGH312033E

    EATON CORPORATION

    CUTLER HAMMER

    NGH312033E

    CIRCUIT BREAKER, SERIES G, 3 PHASE, 3 POLE, 600V, 1200A, 65KAIC @ 480V, BOLT ON, LS TRIP, SOLID STATE
    ✓ IN STOCK!
    CAN$20,561.46 Buy Surplus As Low As CAN$7,512.10
    CAN$7,512.10
    Repair Yours Contact Us
    EATON CORPORATION 1009841CH

    EATON CORPORATION

    CUTLER HAMMER

    1009841CH

    300A, 4-TERMINAL, WALL MOUNTED, COMMERCIAL/RESIDENTIAL METER
    ✓ IN STOCK!
    CAN$17,437.02 Buy Surplus As Low As CAN$13,252.14
    CAN$13,252.14
    SIEMENS BQD360BP

    SIEMENS

    BQD360BP

    BREAKER BQD 3P 60A 480VAC 14KA BULK PK, POSSIBLE REPLACEMENT PN# BQD360 , BQD360BP
    ✓ IN STOCK!
    CAN$45,971.00 Buy Surplus As Low As CAN$27,583.00
    CAN$27,583.00
    Repair Yours Contact Us
    SIEMENS STPH44GE1L15X

    SIEMENS

    STPH44GE1L15X

    DISCONTINUED BY MANUFACTURER, BUSWAY SYSTEM PLUG, SURGE CURRENT / 150 KA, 4 W, 30 AMP, 3 PHASE, 480 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$3,429.64
    CAN$3,429.64
    Repair Yours Contact Us
    EATON CORPORATION BABRP1015

    EATON CORPORATION

    CUTLER HAMMER

    BABRP1015

    BAB REMOTELY OPERATED BOLT-ON BREAKER 1P, 15A, PULSE
    ✓ IN STOCK!
    CAN$1,119.66 Buy Surplus As Low As CAN$770.42
    CAN$770.42
    Repair Yours Contact Us
    EATON CORPORATION FDCE308036

    EATON CORPORATION

    CUTLER HAMMER

    FDCE308036

    MOLDED CASE CIRCUIT BREAKER, TYPE FDCE, 100 KAIC AT 480 VAC, 3 POLE, 80 AMP RATING, 310+LSIG ELECTRONIC TRIP UNIT
    ✓ IN STOCK!
    CAN$8,458.00 Buy Surplus As Low As CAN$5,075.00
    CAN$5,075.00
    Repair Yours Contact Us
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