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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 101-150 of 872.
    EATON CORPORATION HJD3200

    EATON CORPORATION

    CUTLER HAMMER

    HJD3200

    MOLDED CASE CIRCUIT BREAKER, HJD SERIES, 3 POLE, 200 AMP, 600 VAC, 250 VDC
    ✓ IN STOCK!
    $2,742.60 Buy Surplus As Low As $1,383.90
    $1,383.90
    Repair Yours $1,149.74
    EATON CORPORATION JD3250

    EATON CORPORATION

    CUTLER HAMMER

    JD3250

    CIRCUIT BREAKER, TYPE JD, 250 AMP, 3 POLE, 600 VAC MAX, 480VAC, W/THERMAL MAGNETIC TRIP UNIT, ADJUSTABLE 5-10 TIMES CONTINUOUS AMPERE RATING
    ✓ IN STOCK!
    $2,421.76 Buy Surplus As Low As $1,453.05
    $1,453.05
    Repair Yours $1,020.00
    EATON CORPORATION HFD3040L

    EATON CORPORATION

    CUTLER HAMMER

    HFD3040L

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 3-POLE, 40 AMP, LINE AND LOAD TERMINALS
    ✓ IN STOCK!
    $1,224.83 Buy Surplus As Low As $734.90
    $734.90
    Repair Yours $699.00
    EATON CORPORATION HMCP070J2

    EATON CORPORATION

    CUTLER HAMMER

    HMCP070J2

    CIRCUIT BREAKER, MOLDED CASE, SERIES C, 600 VAC MAX, 250 VDC MAX, 3-POLE, 70 AMP, THERMAL MAGNETIC
    ✓ IN STOCK!
    $1,206.78 Buy Surplus As Low As $629.56
    $629.56
    Repair Yours $377.64
    EATON CORPORATION HMCP050K2C

    EATON CORPORATION

    CUTLER HAMMER

    HMCP050K2C

    CIRCUIT BREAKER, MOLDED CASE, SERIES C, 600 VAC MAX, 250 VDC MAX, 3-POLE, 50 AMP, THERMAL MAGNETIC, 50-500 TRIP RANGE, NEMA STARTER SIZE 2
    ✓ IN STOCK!
    $630.00 Buy Surplus As Low As $240.00
    $240.00
    Repair Yours $200.00
    EATON CORPORATION HMCP015E0C

    EATON CORPORATION

    CUTLER HAMMER

    HMCP015E0C

    CIRCUIT BREAKER, SERIES C, F FRAME, 3 POLE, 3 PHASE, 15A, 600V, 65KAIC @ 480V, FEED-THRU, INSTANTANEOUS TRIP, MOTOR CIRCUIT PROTECTION, 45-150A MAGNETIC RANGE, 3.4-12.6A MOTOR FLA, MAGNETIC ...
    ✓ IN STOCK!
    $972.02 Buy Surplus As Low As $333.42
    $333.42
    Repair Yours $276.74
    EATON CORPORATION GD3040

    EATON CORPORATION

    CUTLER HAMMER

    GD3040

    MOLDED CASE CIRCUIT BREAKER, G FRAME, TYPE GD, 22 KAIC AT 480 VAC, 3 POLE, 40 AMP RATING
    ✓ IN STOCK!
    $527.40 Buy Surplus As Low As $416.58
    $416.58
    Repair Yours $200.00
    EATON CORPORATION FS340015A

    EATON CORPORATION

    CUTLER HAMMER

    FS340015A

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 15 AMP, 3 POLE, 480 VAC, W/ LUGS, TYPE FS
    ✓ IN STOCK!
    Buy Surplus As Low As $229.87
    $229.87
    GENERAL ELECTRIC TJK636Y600

    GENERAL ELECTRIC

    TJK636Y600

    CIRCUIT BREAKER, 600AMP, 3POLE, 600VAC/500VDC, 50/60HZ
    ✓ IN STOCK!
    $3,502.22 Buy Surplus As Low As $1,519.36
    $1,519.36
    Repair Yours $1,288.16
    SIEMENS QF115

    SIEMENS

    ITE SIEMENS

    QF115

    CIRCUIT BREAKER, 10 KA, 15 AMP, 1 POLE, 120 V, QPF, GFCI, 5 MA, PLUG-IN
    ✓ IN STOCK!
    $82.48 Buy Surplus As Low As $35.40
    $35.40
    SIEMENS Q120

    SIEMENS

    ITE SIEMENS

    Q120

    CIRCUIT BREAKER, TYPE QP, 1-POLE, 1-PHASE, 20 AMP, 120 VAC, 10 KA @ 120 V, PLUG IN, THERMAL MAGNETIC, (AKA QP120)
    ✓ IN STOCK!
    $7.58 Buy Surplus As Low As $4.15
    $4.15
    SIEMENS P1515

    SIEMENS

    ITE SIEMENS

    P1515

    PUSHMATIC, CIRCUIT BREAKER, 15 AMP, 2 POLE, 120/240 VAC
    ✓ IN STOCK!
    $83.89 Buy Surplus As Low As $50.33
    $50.33
    Repair Yours Contact Us
    GENERAL ELECTRIC CR72AXCB5

    GENERAL ELECTRIC

    CR72AXCB5

    BUS BAR 15POS 63AMP 600V
    ✓ IN STOCK!
    Buy Surplus As Low As $9.16
    $9.16
    EEC AEG ME82S-C10

    EEC AEG

    ME82S-C10

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 10 AMP, 2 POLE, C-CURVE, 10 KA
    ✓ IN STOCK!
    Buy Surplus As Low As $17.95
    $17.95
    SIEMENS ED63B020

    SIEMENS

    ITE SIEMENS

    ED63B020

    CIRCUIT BREAKER, SENTRON, TYPE ED, 3 POLE, 20 AMP, 600 VAC, 25 KAIC @ 480V
    ✓ IN STOCK!
    $780.00 Buy Surplus As Low As $468.00
    $468.00
    Repair Yours $300.00
    SIEMENS ED43B100

    SIEMENS

    ED43B100

    CIRCUIT BREAKER, 100 AMP, 3 POLE, 480 VAC, 50/60 HZ, CAL BASE 40C
    ✓ IN STOCK!
    $836.67 Buy Surplus As Low As $375.50
    $375.50
    Repair Yours $300.00
    SIEMENS BF1-B030

    SIEMENS

    ITE SIEMENS

    BF1-B030

    MOLDED CASE CIRCUIT BREAKER, GROUND FAULT, TYPE: BQF, 1 POLE, 30 AMPS, 120 VOLTS
    ✓ IN STOCK!
    $400.00 Buy Surplus As Low As $285.71
    $285.71
    Repair Yours $300.00
    SIEMENS B230

    SIEMENS

    ITE SIEMENS

    B230

    CIRCUIT BREAKER, THERMAL/MAGNETIC CUR RTG, 30A, 2 POLE, 120/240V, 10KAIC, BL SERIES
    ✓ IN STOCK!
    $126.24 Buy Surplus As Low As $19.25
    $19.25
    Repair Yours Contact Us
    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 $20.79
    $20.79
    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!
    $1,124.94 Buy Surplus As Low As $436.18
    $436.18
    Repair Yours $373.23
    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!
    $1,112.00 Buy Surplus As Low As $455.80
    $455.80
    Repair Yours $300.00
    SIEMENS 50ZAC2

    SIEMENS

    FURNAS ELECTRIC CO

    50ZAC2

    DISCONTINUED BY MANUFACTURER, PRODUCT DISCONTINUED SINCE: 08/04/2020, CONTACT BLOCK, DUBLEX, PUSH BUTTON KIT, 1NO/1NC
    ✓ IN STOCK!
    Buy Surplus As Low As $96.64
    $96.64
    SIEMENS 3RV1915-1C

    SIEMENS

    FURNAS ELECTRIC CO

    3RV1915-1C

    DISCONTINUED BY MANUFACTURER, BUSSBAR, AUXILIARY LINE SIDE FEEDER, W/OUT SIDE MTD ACCESS, 12 POLE, 63AMP, 690V
    ✓ IN STOCK!
    Buy Surplus As Low As $24.72
    $24.72
    SIEMENS 3RV1021-1FA10

    SIEMENS

    FURNAS ELECTRIC CO

    3RV1021-1FA10

    DISCONTINUED BY MANUFACTURER 10/01/2019, CIRCUIT BREAKER, SIZE S0, 3.5-5 AMP, 3 POLE, 400/690 VAC, 50/60 HZ, SCREW TERMINALS, DIN-RAIL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $179.96
    $179.96
    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!
    $176.00 Buy Surplus As Low As $55.51
    $55.51
    Repair Yours Contact Us
    MATSUSHITA ELECTRIC BA121505

    MATSUSHITA ELECTRIC

    PANASONIC

    BA121505

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 2.5 KA, 5 AMP, 1 POLE, 220 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $9.66
    $9.66
    EATON CORPORATION TAP361

    EATON CORPORATION

    CUTLER HAMMER

    TAP361

    BUS PLUG, FUSIBLE SWITCH, 600-VOLT, 30-AMP, 3-WIRE
    ✓ IN STOCK!
    $2,750.00 Buy Surplus As Low As $1,782.00
    $1,782.00
    EATON CORPORATION KT3400T

    EATON CORPORATION

    CUTLER HAMMER

    KT3400T

    THERMAL MAGNETIC, K FRAME, 3 POLE, 400 AMPERE, MAGNETIC TRIP ADJUSTMENT, KT MODEL
    ✓ IN STOCK!
    $707.12 Buy Surplus As Low As $336.34
    $336.34
    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!
    $1,151.27 Buy Surplus As Low As $435.78
    $435.78
    Repair Yours $361.69
    EATON CORPORATION HMCP030H1C

    EATON CORPORATION

    CUTLER HAMMER

    HMCP030H1C

    CIRCUIT BREAKER, SERIES C, F FRAME, 3 POLE, 3 PHASE, 30A, 600V, 65KAIC @ 480V, FEED-THRU, INSTANTANEOUS TRIP, MOTOR CIRCUIT PROTECTOR, 90-300A MAGNETIC RANGE, 6.9-25.2A MOTOR FLA, MAGNETIC O ...
    ✓ IN STOCK!
    $627.82 Buy Surplus As Low As $359.06
    $359.06
    Repair Yours $300.00
    EATON CORPORATION HMCP007C0CA02

    EATON CORPORATION

    CUTLER HAMMER

    HMCP007C0CA02

    CIRCUIT BREAKER, MOLDED CASE, SERIES C, 600 VAC MAX, 250 VDC MAX, 3-POLE, 7 AMP, THERMAL MAGNETIC, 21-70 TRIP RANGE, NEMA STARTER SIZE 0
    ✓ IN STOCK!
    $1,206.20 Buy Surplus As Low As $396.35
    $396.35
    Repair Yours $300.00
    GENERAL ELECTRIC V07120

    GENERAL ELECTRIC

    V07120

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 20 AMP, 1 POLE, 277VAC, C-CURVE, V-LINE
    ✓ IN STOCK!
    Buy Surplus As Low As $28.16
    $28.16
    GENERAL ELECTRIC V07110

    GENERAL ELECTRIC

    V07110

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 10 AMP, 1 POLE, 277/480 VAC, C-CURVE, V-LINE, DIN RAIL MOUNT, SCREW TERMINAL
    ✓ IN STOCK!
    Buy Surplus As Low As $44.73
    $44.73
    GENERAL ELECTRIC V07103

    GENERAL ELECTRIC

    V07103

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 3 AMP, 1 POLE, 277 VAC, C-CURVE, V-LINE
    ✓ IN STOCK!
    Buy Surplus As Low As $25.04
    $25.04
    GENERAL ELECTRIC THQB1120GF

    GENERAL ELECTRIC

    THQB1120GF

    CIRCUIT BREAKER, Q LINE, 10 KAIC, BOLT-ON, 1 POLE, 120/240 V, 20 AMP, 1-POLE GROUND FAULT CIRCUIT INTERRUPTER
    ✓ IN STOCK!
    $283.10 Buy Surplus As Low As $169.86
    $169.86
    GENERAL ELECTRIC TEY220

    GENERAL ELECTRIC

    TEY220

    CIRCUIT BREAKER, 20 AMP, 2 POLE, 480/277 VAC
    ✓ IN STOCK!
    $428.58 Buy Surplus As Low As $212.12
    $212.12
    Repair Yours $200.00
    EEC AEG ME81S-C3

    EEC AEG

    ME81S-C3

    CIRCUIT BREAKER, 240 VAC, 3AMP, 1P
    ✓ IN STOCK!
    $25.33 Buy Surplus As Low As $10.16
    $10.16
    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!
    $552.30 Buy Surplus As Low As $199.58
    $199.58
    SIEMENS FHOEBO

    SIEMENS

    ITE SIEMENS

    FHOEBO

    CIRCUIT BREAKER, ED MAX-FLEX BREAKER OPER
    ✓ IN STOCK!
    $302.83 Buy Surplus As Low As $251.35
    $251.35
    Repair Yours $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!
    $576.52 Buy Surplus As Low As $179.28
    $179.28
    Repair Yours $300.00
    SIEMENS ED43B060L

    SIEMENS

    SIEMENS INDUSTRY

    ED43B060L

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 60 AMP, 3 POLE, 480 VAC, 18 KA, WITH LUGS
    ✓ IN STOCK!
    $2,426.12 Buy New $2,426.12
    $1,601.24
    Repair Yours $300.19
    SIEMENS 5SN9106-0KB30

    SIEMENS

    ITE SIEMENS

    5SN9106-0KB30

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, MINIATURE, 6AMP, 1POLE, 380VAC, 220VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $109.95
    $109.95
    SIEMENS 5SG7-723

    SIEMENS

    ITE SIEMENS

    5SG7-723

    MINIZED SWITCH FUSE,16A,FOR NEOZED FUSE
    ✓ IN STOCK!
    Buy Surplus As Low As $54.64
    $54.64
    SIEMENS 3VU9135-1AB02

    SIEMENS

    FURNAS ELECTRIC CO

    3VU9135-1AB02

    DISCONTINUED BY MANUFACTURER, BUSBAR, 690V, 63AMP, LINE SIDE FEEDER, FOR USE WITH 3VU13
    ✓ IN STOCK!
    $48.93 Buy Surplus As Low As $27.60
    $27.60
    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 $24.63
    $24.63
    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 $270.15
    $270.15
    EATON CORPORATION FS240015A

    EATON CORPORATION

    CUTLER HAMMER

    FS240015A

    CIRCUIT BREAKER, 15AMP, 2POLE, 480VAC, W/LUGS
    ✓ IN STOCK!
    $287.98 Buy Surplus As Low As $7.87
    $7.87
    Repair Yours $300.00
    EATON CORPORATION FD3060L

    EATON CORPORATION

    CUTLER HAMMER

    FD3060L

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 3-POLE, 60 AMP, LINE AND LOAD TERMINALS
    ✓ IN STOCK!
    $1,280.40 Buy Surplus As Low As $768.24
    $768.24
    Repair Yours $300.00
    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!
    $214.16 Buy Surplus As Low As $114.14
    $114.14
    Repair Yours $200.00
    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!
    $90.00 Buy Surplus As Low As $59.50
    $59.50
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