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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 449.
    ALLEN BRADLEY 140U-H6C3-C50

    ALLEN BRADLEY

    140U-H6C3-C50

    DISCONTINUED BY MANUFACTURER, MOLDED CASE CIRCUIT BREAKER, 140U SERIES, H-FRAME, 60-69 KA, FIXED THERMAL/FIXED MAGNETIC, 3-POLE, 50 A
    ✓ IN STOCK!
    Buy Surplus As Low As $211.34
    $211.34
    Repair Yours $200.00
    GENERAL ELECTRIC SCOM1G

    GENERAL ELECTRIC

    SCOM1G

    DISCONNECT MECHANISM, LINEAR LEVER HANDLE, FLEXIBLE CABLE HANDLE TO DEVICE CONNECTION, BREAKER MOUNT, NEMA 4X/3R/12, FOR TDF/TDR/TDM/SG600 FRAME CIRCUIT BREAKERS
    ✓ IN STOCK!
    $589.00 Buy Surplus As Low As $448.00
    $448.00
    GENERAL ELECTRIC TED134070WL

    GENERAL ELECTRIC

    TED134070WL

    CIRCUIT BREAKER, THERMAL MAGNETIC, E150 LINE, TYPE TED, 70 AMP, 3 POLE, 480 VAC, 250 VDC, WITH LUG TERMINALS
    ✓ IN STOCK!
    $1,356.00 Buy Surplus As Low As $814.00
    $814.00
    Repair Yours $676.00
    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!
    $2,029.00 Buy Surplus As Low As $1,103.39
    $1,103.39
    Repair Yours $429.00
    MITSUBISHI NF30-SB

    MITSUBISHI

    NF30-SB

    DO NOT USE INCOMPLETE PART NUMBER
    Buy Surplus As Low As $264.00
    $264.00
    Repair Yours $220.00
    MITSUBISHI NF30-SS-10A

    MITSUBISHI

    NF30-SS-10A

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, AC 220VOLT, 15 AMP, 2 POLE, AC 600V
    ✓ IN STOCK!
    Buy Surplus As Low As $60.00
    $60.00
    Repair Yours $200.00
    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!
    $305.00 Buy Surplus As Low As $61.00
    $61.00
    Repair Yours $200.00
    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!
    $1,375.00 Buy Surplus As Low As $650.76
    $650.76
    Repair Yours $429.00
    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!
    $1,375.00 Buy Surplus As Low As $481.25
    $481.25
    Repair Yours $260.00
    SIEMENS ED22B015

    SIEMENS

    ITE SIEMENS

    ED22B015

    CIRCUIT BREAKER, 15 AMP, 2 POLE, 240 VAC
    ✓ IN STOCK!
    $987.00 Buy Surplus As Low As $161.80
    $161.80
    Repair Yours $200.00
    SIEMENS ED61B015

    SIEMENS

    ITE SIEMENS

    ED61B015

    ED61B015 CIRCUIT BREAKER, 15A, ED, CIRCUIT BREAKER, 347V, 15 AMP
    ✓ IN STOCK!
    $1,163.00 Buy Surplus As Low As $195.30
    $195.30
    Repair Yours $200.00
    SIEMENS ED63B015

    SIEMENS

    ITE SIEMENS

    ED63B015

    CIRCUIT BREAKER, SENTRON SERIES, TYPE ED, 3 POLE, 3 PHASE, 15 AMP, 600V, 25KA@480V, STANDARD INTERRUPTING CAPACITY, 40C, BOLT-ON, COMPLETE WITH LI - LONG-TIME AND INSTANTANEOUS TRIP FUNCTION ...
    ✓ IN STOCK!
    $1,350.00 Buy Surplus As Low As $191.00
    $191.00
    Repair Yours $200.00
    SIEMENS QJ23B125

    SIEMENS

    ITE SIEMENS

    QJ23B125

    MOLDED CASE CIRCUIT BREAKER, 3 POLE, 3 PHASE, 240 VAC, 125 AMP, QJ FRAME TYPE, BOLT-ON CONNECTION TYPE, LI- LONG-TIME & INSTANTANEOUS TRIP FUNCTIONS, LOAD SIDE LUG TERMINALS
    ✓ IN STOCK!
    $873.00 Buy Surplus As Low As $450.00
    $450.00
    Repair Yours $374.00
    SIEMENS ED22B015L

    SIEMENS

    ED22B015L

    MOLDED CASE CIRCUIT BREAKER, SENTRON SERIES, THERMAL MAHNETIC, STANDARD RATING, TYPE ED, 240 VAC, 2 POLE, STANDARD 40 DEGREES C BREAKER, 15 AMP
    ✓ IN STOCK!
    $831.60 Buy Surplus As Low As $706.86
    $706.86
    Repair Yours $414.14
    ALLEN BRADLEY 1492-GHD070

    ALLEN BRADLEY

    1492-GHD070

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 7 AMP, 2 POLE, 125 VAC, 65 VDC, IEC, DIN RAIL MOUNTABLE
    ✓ IN STOCK!
    Buy Surplus As Low As $98.28
    $98.28
    WESTINGHOUSE BAB1020

    WESTINGHOUSE

    BAB1020

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, TYPE BA, BOLT-ON TYPE, THERMAL MAGNETIC, 20 AMP, 1 POLE, 120/240 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $42.00 $19.50
    $42.00 $19.50
    EATON CORPORATION F1S03C

    EATON CORPORATION

    F1S03C

    SHAFT, COILED ASSEMBLY, FLEXIBLE TYPE, FOR TYPE 1/3R/12 BREAKER, FLANGE MOUNT, NEMA 1/3R/12, 3FT CORD
    ✓ IN STOCK!
    $968.00 Buy Surplus As Low As $581.00
    $581.00
    EATON CORPORATION FDB3060

    EATON CORPORATION

    CUTLER HAMMER

    FDB3060

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 3-POLE, 60 AMP, LOAD SIDE LUGS ONLY
    ✓ IN STOCK!
    $1,218.00 Buy Surplus As Low As $472.50
    $472.50
    Repair Yours $260.00
    GENERAL ELECTRIC TFJ236200WL

    GENERAL ELECTRIC

    TFJ236200WL

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 200 AMP, 3 POLE, 600VAC, W/ LUGS
    Buy Surplus As Low As $2,820.00
    $2,820.00
    Repair Yours $2,341.00
    GENERAL ELECTRIC THED136150

    GENERAL ELECTRIC

    THED136150

    CIRCUIT BREAKER, 150 AMP, 3 POLE, 600 VAC
    ✓ IN STOCK!
    $1,869.00 Buy Surplus As Low As $1,121.40
    $1,121.40
    Repair Yours $930.76
    EATON CORPORATION MBE2040B200BTS

    EATON CORPORATION

    CUTLER HAMMER

    MBE2040B200BTS

    CIRCUIT BREAKER, EUSERC, BR, 200 AMP, 20/40 CKT, BTM/TOP FEED
    ✓ IN STOCK!
    $4,580.00 Buy Surplus As Low As $2,958.85
    $2,958.85
    Repair Yours $1,824.67
    FUJI ELECTRIC CP32D/1

    FUJI ELECTRIC

    CP32D/1

    CIRC PROTECTOR
    Buy Surplus As Low As $169.00
    $169.00
    EATON CORPORATION BR48L125RP

    EATON CORPORATION

    CUTLER HAMMER

    BR48L125RP

    CIRCUIT BREAKER, LOAD CENTER, MAIN LUG, 125A, 120/240V, 1PH, 4/8, NEMA 3R
    $653.00 Buy Surplus As Low As $392.00
    $392.00
    Repair Yours $326.00
    EATON CORPORATION EHD2020L

    EATON CORPORATION

    CUTLER HAMMER

    EHD2020L

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 480 VAC, 250 VDC, 2-POLE, 20 AMP, LINE AND LOAD TERMINALS
    $640.00 Buy Surplus As Low As $384.00
    $384.00
    Repair Yours $319.00
    GENERAL ELECTRIC THQD32200WL

    GENERAL ELECTRIC

    THQD32200WL

    CIRCUIT BREAKER, Q-LINE, 3 POLE, 3 PHASE, 200 AMP, 240V, 22KAIC, LINE & LOAD SIDE LUGS, FEED-THRU, THERMAL MAGNETIC
    $1,700.00 Buy Surplus As Low As $867.00
    $867.00
    Repair Yours $719.61
    SIEMENS 3RV1011-1KA10

    SIEMENS

    3RV1011-1KA10

    CIRCUIT BREAKER, 3 POLE, 9-12 AMP A-RELEASE, 156 AMP N-RELEASE, 690 VAC, S00 FOR MOTOR PROTECTION, CLASS 10, SCREW TYPE TERMINAL
    ✓ IN STOCK!
    $291.00 Buy Surplus As Low As $148.00
    $148.00
    SIEMENS ED43B050

    SIEMENS

    ITE SIEMENS

    ED43B050

    CIRCUIT BREAKER, TYPE ED4, 3 POLE, 480 VOLT, 50 AMP, 18 KA, 50/60 HZ
    ✓ IN STOCK!
    $908.00 Buy Surplus As Low As $128.00
    $128.00
    Repair Yours $200.00
    SIEMENS HHED63B070

    SIEMENS

    ITE SIEMENS

    HHED63B070

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, SENTRON, 70 AMPS, THERMAL MAGNETIC, EXTRA HIGH INTERRUPT, ED FRAME, 600 VAC, 3 POLE, 40C
    ✓ IN STOCK!
    Buy Surplus As Low As $690.00
    $690.00
    Repair Yours $460.13
    SIEMENS JXD63B300

    SIEMENS

    ITE SIEMENS

    JXD63B300

    CIRCUIT BREAKER, SENTRON SERIES, TYPE JXD, 3-POLE, 3-PHASE, 300AMP, 600V, 35KA@480V, 40C, BOLT-ON, WITH NON-INTERCHANGEABLE TRIP UNIT, LUGS NOT INCLUDED, THERMAL MAGNETIC, MOLDED CASE
    ✓ IN STOCK!
    $1,900.00 Buy Surplus As Low As $990.00
    $990.00
    Repair Yours $800.00
    SIEMENS MBKBL3

    SIEMENS

    MBKBL3

    BREAKER MOUNTING KIT, SENTRON SERIES, 3 POLE, RATED FOR 100 AMP, ALUMINUM, MAIN MOUNTING STYLE, BL / BLH / HBL
    ✓ IN STOCK!
    $515.00 Buy Surplus As Low As $309.00
    $309.00
    SIEMENS BOS14355

    SIEMENS

    ITE SIEMENS

    BOS14355

    DISCONTINUED BY MANUFACTURER, BUS PLUG FUSIBLE 400A 600V 3P
    ✓ IN STOCK!
    Buy Surplus As Low As $5,610.00
    $5,610.00
    Repair Yours $4,657.00
    SIEMENS CED63B125

    SIEMENS

    ITE SIEMENS

    CED63B125

    MOLDED CASE CIRCUIT BREAKER, TYPE CED, 3P, 3PH, 125A, 600V, 200KA@480V, EXTRA HIGH INTERRUPTING CAPACITY, 40C, BOLT-O
    ✓ IN STOCK!
    $15,313.00 Buy Surplus As Low As $2,120.60
    $2,120.60
    Repair Yours $1,761.00
    WESTINGHOUSE EHD3020

    WESTINGHOUSE

    EHD3020

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 20 AMP, 3 POLE, 480 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $408.00
    $408.00
    Repair Yours $249.00
    WESTINGHOUSE FDB-3125

    WESTINGHOUSE

    FDB-3125

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 125AMP, 3POLE, 600VAC 14KAIC/480VA
    ✓ IN STOCK!
    Buy Surplus As Low As $788.00
    $788.00
    Repair Yours $655.00
    WESTINGHOUSE PCG32000F

    WESTINGHOUSE

    PCG32000F

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, MOLDED CASE, 2000 AMP, 600 VAC, 50/60 HZ , *** FRAME ONLY ** , TRIP UNIT SOLD SEPARATELY
    Buy Surplus As Low As $21,000.00
    $21,000.00
    Repair Yours $17,430.00
    ALLEN BRADLEY 140M-D8E-C25

    ALLEN BRADLEY

    140M-D8E-C25

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, MOTOR PROTECTION, 140M, FRAME D, RATING - 32 AMP, HIGH BREAK, ADJ THERMAL/ FIXED MAG, RANGE - 18-25 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $300.00
    $300.00
    Repair Yours $285.00
    ALLEN BRADLEY 140M-F8E-C32

    ALLEN BRADLEY

    140M-F8E-C32

    CIRCUIT BREAKER, MOTOR PROTECTION, 140M, FRAME F, 45 AMP RATING, HIGH BREAK, ADJ THERMAL/ FIXED MAG, 23-32 AMP RANGE
    ✓ IN STOCK!
    Buy Surplus As Low As $190.00
    $190.00
    Repair Yours $200.00
    GENERAL ELECTRIC TED134020WL

    GENERAL ELECTRIC

    TED134020WL

    MOLDED CASE CIRCUIT BREAKER, SPECTRA SERIES, TYPE TED, CURRENT LIMITING, THERMAL MAGNETIC, 20 AMP, 3 POLE, 480 VAC, 3 PHASE, W/LUGS
    ✓ IN STOCK!
    $1,513.00 Buy Surplus As Low As $908.00
    $908.00
    Repair Yours $754.00
    GENERAL ELECTRIC THED136100WL

    GENERAL ELECTRIC

    THED136100WL

    CIRCUIT BREAKER, 3 POLE, 240/480/600 VAC ,500 VDC, 100 AMP
    $1,190.00 Buy Surplus As Low As $590.00
    $590.00
    Repair Yours $490.00
    GENERAL ELECTRIC THQC1120WL

    GENERAL ELECTRIC

    THQC1120WL

    CIRCUIT BREAKER, Q-LINE SERIES, 20AMP, 1 POLE, 120/240V,10 KAIC, LUG IN/LUG OUT
    ✓ IN STOCK!
    $15.75 Buy Surplus As Low As $9.45
    $9.45
    Repair Yours $200.00
    EATON CORPORATION HFD2025L

    EATON CORPORATION

    CUTLER HAMMER

    HFD2025L

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 2-POLE, 25 AMP, LINE AND LOAD TERMINALS
    $1,479.00 Buy Surplus As Low As $888.00
    $888.00
    Repair Yours $738.00
    EATON CORPORATION EHD1015

    EATON CORPORATION

    CUTLER HAMMER

    EHD1015

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 480 VAC, 250 VDC, SINGLE POLE, 15 AMP, LOAD SIDE LUGS ONLY
    ✓ IN STOCK!
    $386.40 Buy Surplus As Low As $197.06
    $197.06
    Repair Yours $200.00
    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!
    $1,031.72 Buy Surplus As Low As $619.03
    $619.03
    Repair Yours $527.61
    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!
    $575.00 Buy Surplus As Low As $237.76
    $237.76
    Repair Yours $233.00
    SIEMENS 5SX21-C2

    SIEMENS

    5SX21-C2

    DISCONTINUED BY MANUFACTURER, INVALID PART NUMBER USE CROSS REFERENCE 5SX2-102-7
    ✓ IN STOCK!
    Buy Surplus As Low As $32.00
    $32.00
    Repair Yours Contact Us
    SPRECHER & SCHUH KT7-25-DB-45-3

    SPRECHER & SCHUH

    KT7-25-DB-45-3

    COMPACT BUSBAR, 45MM SPACING, FOR THREE KT7-25S & 25H
    ✓ IN STOCK!
    Buy Surplus As Low As $45.90
    $45.90
    ALLEN BRADLEY 1492-CB-2-H-120

    ALLEN BRADLEY

    1492-CB-2-H-120

    DISCONTINUED BY MANUFACTURER, 1492-CB-2-H-120 , 1492CB2H120, MINIATURE CIRCUIT BREAKER, 2 POLES, MAGNETIC TRIP RANGE 12...20 X RATED CURRENT (AC), 12.0 A
    ✓ IN STOCK!
    Buy Surplus As Low As $202.50
    $202.50
    WESTINGHOUSE MCP331000R

    WESTINGHOUSE

    MCP331000R

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKERS, 3 POLE, 100 AMP, 600 VAC, ALUM TERMINALS, TYPE MCP MOTOR CIRCUIT PROTECTOR, 179C368G15
    ✓ IN STOCK!
    Buy Surplus As Low As $890.00
    $890.00
    Repair Yours $600.00
    EATON CORPORATION 3BR4242L225

    EATON CORPORATION

    CUTLER HAMMER

    3BR4242L225

    3 PH/BR LOADCENTER 225A MLO 42/42 CIR. AL BUS NEMA 1
    ✓ IN STOCK!
    $3,914.00 Buy Surplus As Low As $2,528.75
    $2,528.75
    Repair Yours $1,559.74
    EATON CORPORATION HFD3125L

    EATON CORPORATION

    CUTLER HAMMER

    HFD3125L

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 3-POLE, 125 AMP, LINE AND LOAD TERMINALS
    ✓ IN STOCK!
    $4,890.00 Buy Surplus As Low As $868.98
    $868.98
    Repair Yours $878.00
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