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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 351-400 of 732.
    EATON CORPORATION GHCGFEP1020

    EATON CORPORATION

    CUTLER HAMMER

    GHCGFEP1020

    G GROUND FAULT EQUIP PROTECTOR, 30MA, 1P, LUG LUG
    ✓ IN STOCK!
    $1,179.00 Buy Surplus As Low As $458.37
    $458.37
    EATON CORPORATION GWF3070

    EATON CORPORATION

    CUTLER HAMMER

    GWF3070

    GWF 3P 70A CIRCUIT BREAKER FIX T/M
    ✓ IN STOCK!
    $351.74 Buy Surplus As Low As $164.90
    $164.90
    Repair Yours $200.00
    EATON CORPORATION HFDDC2015L

    EATON CORPORATION

    CUTLER HAMMER

    HFDDC2015L

    MOLDED CASE CIRCUIT BREAKER, PVGARD, SOLAR, F-FRAME, HFD, COMPLETE BREAKER, FIXED THERMAL, FIXED MAGNETIC TRIP TYPE, TWO-POLE, 15A, 600 VAC, 250 VDC, 42 KAIC AT 600 VAC, LINE AND LOAD, VDC
    ✓ IN STOCK!
    $1,691.00 Buy Surplus As Low As $1,015.00
    $1,015.00
    Repair Yours $843.00
    EATON CORPORATION FD3125J01

    EATON CORPORATION

    CUTLER HAMMER

    FD3125J01

    FD 3P 125A WITH FUNGUS PROOFING
    ✓ IN STOCK!
    $5,046.00 Buy Surplus As Low As $3,028.00
    $3,028.00
    Repair Yours $2,514.00
    EATON CORPORATION HKDDC3250

    EATON CORPORATION

    CUTLER HAMMER

    HKDDC3250

    TYPE HKDDC 3P 250A CIRCUIT BREAKER WITH LINE AND LOAD TERMINALS
    ✓ IN STOCK!
    $9,105.00 Buy Surplus As Low As $5,463.00
    $5,463.00
    Repair Yours $4,535.00
    EATON CORPORATION HKW3315V

    EATON CORPORATION

    CUTLER HAMMER

    HKW3315V

    3 POLE 315A HKW BREAKER, 50 DEG. C
    ✓ IN STOCK!
    $10,862.00 Buy Surplus As Low As $6,518.00
    $6,518.00
    Repair Yours $5,410.00
    EATON CORPORATION HMCP250D5C

    EATON CORPORATION

    CUTLER HAMMER

    HMCP250D5C

    CIRCUIT BREAKER, MOLDED CASE, SERIES C, 600 VAC MAX, 250 VDC MAX, 3-POLE, 250 AMP, THERMAL MAGNETIC, 500-1000 TRIP RANGE, NEMA STARTER SIZE 5
    ✓ IN STOCK!
    $3,512.00 Buy Surplus As Low As $2,591.38
    $2,591.38
    Repair Yours $2,150.85
    EATON CORPORATION HMCP250G5C

    EATON CORPORATION

    CUTLER HAMMER

    HMCP250G5C

    CIRCUIT BREAKER, MOLDED CASE, SERIES C, 600 VAC MAX, 250 VDC MAX, 3-POLE, 250 AMP, THERMAL MAGNETIC, 750-1500 TRIP RANGE, NEMA STARTER SIZE 5
    ✓ IN STOCK!
    $1,831.06 Buy Surplus As Low As $1,066.64
    $1,066.64
    Repair Yours $885.31
    EATON CORPORATION HMCP250K5C

    EATON CORPORATION

    CUTLER HAMMER

    HMCP250K5C

    CIRCUIT BREAKER, MOLDED CASE, SERIES C, 600 VAC MAX, 250 VDC MAX, 3-POLE, 250 AMP, THERMAL MAGNETIC, 1000-2000 TRIP RANGE, NEMA STARTER SIZE 5
    ✓ IN STOCK!
    $3,095.15 Buy Surplus As Low As $2,283.80
    $2,283.80
    Repair Yours $1,895.55
    EATON CORPORATION HMCP250L5C

    EATON CORPORATION

    CUTLER HAMMER

    HMCP250L5C

    CIRCUIT BREAKER, MOLDED CASE, SERIES C, 600 VAC MAX, 250 VDC MAX, 3-POLE, 250 AMP, THERMAL MAGNETIC, 1125-2250 TRIP RANGE, NEMA STARTER SIZE 5
    ✓ IN STOCK!
    $2,900.83 Buy Surplus As Low As $1,740.50
    $1,740.50
    Repair Yours $1,204.79
    EATON CORPORATION HJD3070

    EATON CORPORATION

    CUTLER HAMMER

    HJD3070

    HJD BREAKER COMPLETE 3P 70A 600VAC MAX 65KAIC @ 480V
    ✓ IN STOCK!
    $4,633.35 Buy Surplus As Low As $1,721.22
    $1,721.22
    Repair Yours $1,428.62
    EATON CORPORATION HKD3200

    EATON CORPORATION

    CUTLER HAMMER

    HKD3200

    CIRCUIT BREAKER, FRAME TYPE: HKD, COMPLETE, FACTORY ASSEMBLED CIRCUIT CONSISTING OF FRAME/TRIP UNIT AND TERMINALS, 3 POLE, 200 AMP, 600 VAC 250 VDC, MAX 65KAIC @ 480V
    ✓ IN STOCK!
    $10,057.95 Buy Surplus As Low As $1,824.00
    $1,824.00
    Repair Yours $1,513.92
    EATON CORPORATION HMCP100R3CA06

    EATON CORPORATION

    CUTLER HAMMER

    HMCP100R3CA06

    MOLDED CASE CIRCUIT BREAKER, C SERIES, 3-POLE, 100 A, NON-ALUMINUM TERMINALS, 600 VAC MAX, 250 VDC MAX, W/ AUX SW 1A1B RH
    ✓ IN STOCK!
    $1,908.00 Buy Surplus As Low As $1,040.00
    $1,040.00
    Repair Yours $840.00
    EATON CORPORATION HQP2060

    EATON CORPORATION

    CUTLER HAMMER

    HQP2060

    HQP BREAKER, 2-POLE, 60 A, 120/240 V, 10KAIC
    ✓ IN STOCK!
    $372.86 Buy Surplus As Low As $276.00
    $276.00
    EATON CORPORATION HQP2100

    EATON CORPORATION

    CUTLER HAMMER

    HQP2100

    CIRCUIT BREAKER, TYPE HQP, 100 AMP, 2-POLE, 120/240 V, 10K AIC
    ✓ IN STOCK!
    $735.00 Buy Surplus As Low As $80.70
    $80.70
    EATON CORPORATION JD4250

    EATON CORPORATION

    CUTLER HAMMER

    JD4250

    JD 4 POLE FRAME 3 POLE TRIP WITH LN/LD LUGS
    ✓ IN STOCK!
    $7,772.00 Buy Surplus As Low As $4,664.00
    $4,664.00
    Repair Yours $3,872.00
    EATON CORPORATION JD2250K

    EATON CORPORATION

    CUTLER HAMMER

    JD2250K

    TYPE JD 2P 250A MOLDED CASE SWTICH W/TA250KB TERMINALS
    ✓ IN STOCK!
    $2,077.33 Buy Surplus As Low As $1,246.40
    $1,246.40
    EATON CORPORATION HMCP400D5C

    EATON CORPORATION

    CUTLER HAMMER

    HMCP400D5C

    CIRCUIT BREAKER, MOLDED CASE, SERIES C, 600 VAC MAX, 250 VDC MAX, 3-POLE, 400 AMP, THERMAL MAGNETIC, 500-1000 TRIP RANGE, NEMA STARTER SIZE 5
    ✓ IN STOCK!
    $2,144.95 Buy Surplus As Low As $1,249.49
    $1,249.49
    Repair Yours $1,037.08
    EATON CORPORATION HMCP400J5C

    EATON CORPORATION

    CUTLER HAMMER

    HMCP400J5C

    CIRCUIT BREAKER, MOLDED CASE, SERIES C, 600 VAC MAX, 250 VDC MAX, 3-POLE, 400 AMP, THERMAL MAGNETIC
    ✓ IN STOCK!
    $3,314.07 Buy Surplus As Low As $2,535.43
    $2,535.43
    Repair Yours $1,573.00
    EATON CORPORATION HMCP400L5C

    EATON CORPORATION

    CUTLER HAMMER

    HMCP400L5C

    CIRCUIT BREAKER, MOLDED CASE, SERIES C, 600 VAC MAX, 250 VDC MAX, 3-POLE, 400 AMP, THERMAL MAGNETIC
    ✓ IN STOCK!
    $3,795.87 Buy Surplus As Low As $1,764.47
    $1,764.47
    Repair Yours $1,464.51
    EATON CORPORATION HMCPJ250A5L

    EATON CORPORATION

    CUTLER HAMMER

    HMCPJ250A5L

    CIRCUIT BREAKER, MOLDED CASE, SERIES C, 600 VAC MAX, 250 VDC MAX, 3-POLE, 250 AMP, THERMAL MAGNETIC
    ✓ IN STOCK!
    $3,503.09 Buy Surplus As Low As $2,142.00
    $2,142.00
    Repair Yours $1,777.86
    EATON CORPORATION INK400

    EATON CORPORATION

    CUTLER HAMMER

    INK400

    BREAKER, MOLDED CASE, NEUTRAL KIT, 400AMP RATED, 7.5 IN X 6 IN X 3.75 IN
    ✓ IN STOCK!
    $956.42 Buy Surplus As Low As $734.25
    $734.25
    EATON CORPORATION KD3300WA13

    EATON CORPORATION

    CUTLER HAMMER

    KD3300WA13

    KD BREAKER 3P 300A W/2A-2B AUXILIARY SWITCH RH
    $6,079.00 Buy Surplus As Low As $3,648.00
    $3,648.00
    Repair Yours $3,028.00
    EATON CORPORATION KD3350W

    EATON CORPORATION

    CUTLER HAMMER

    KD3350W

    KD 3P 350A WITHOUT TERM
    ✓ IN STOCK!
    $5,182.00 Buy Surplus As Low As $3,110.00
    $3,110.00
    Repair Yours $2,582.00
    EATON CORPORATION KD3350WA13

    EATON CORPORATION

    CUTLER HAMMER

    KD3350WA13

    KD BREAKER 3P 350A W/ 2A-2B AUXILIARY SWITCH RH
    ✓ IN STOCK!
    $6,079.00 Buy Surplus As Low As $3,648.00
    $3,648.00
    Repair Yours $3,028.00
    EATON CORPORATION MDL3350

    EATON CORPORATION

    CUTLER HAMMER

    MDL3350

    TYPE MDL 3 POLE 350 AMP CIRCUIT BREAKER WITH TERMINALS
    ✓ IN STOCK!
    $9,084.60 Buy Surplus As Low As $5,292.00
    $5,292.00
    Repair Yours $4,392.36
    EATON CORPORATION ME101C

    EATON CORPORATION

    CUTLER HAMMER

    ME101C

    ME DC CONTACT FRONT CONNECT 25A 1NC 125VDC COIL
    ✓ IN STOCK!
    $15,599.00 Buy Surplus As Low As $9,360.00
    $9,360.00
    Repair Yours $7,769.00
    EATON CORPORATION QCF2030H

    EATON CORPORATION

    CUTLER HAMMER

    QCF2030H

    QCF BKR, 2P, 30A, 240 VAC, 10 KAIC
    ✓ IN STOCK!
    $419.00 Buy Surplus As Low As $252.00
    $252.00
    Repair Yours $210.00
    EATON CORPORATION LD2500

    EATON CORPORATION

    CUTLER HAMMER

    LD2500

    CIRCUIT BREAKER, MOLDED CASE, LD TYPE, 600 VAC, 500 AMP, L FRAME, 2 POLE
    ✓ IN STOCK!
    $6,022.21 Buy Surplus As Low As $5,236.70
    $5,236.70
    Repair Yours $4,346.46
    EATON CORPORATION MT2300T

    EATON CORPORATION

    CUTLER HAMMER

    MT2300T

    300A 2P THERMAL MAGNETICNETIC TRIP UNIT
    ✓ IN STOCK!
    $4,072.00 Buy Surplus As Low As $2,444.00
    $2,444.00
    Repair Yours $2,029.00
    EATON CORPORATION QCD2070

    EATON CORPORATION

    CUTLER HAMMER

    QCD2070

    TYPE QCD BREAKER 2P 70A DIN RAIL MOUNTING 120/240VAC 10KAIC
    ✓ IN STOCK!
    $321.00 Buy Surplus As Low As $193.00
    $193.00
    EATON CORPORATION QCF1030

    EATON CORPORATION

    CUTLER HAMMER

    QCF1030

    CIRCUIT BREAKER, 1P, 30A, 120/240 VAC
    ✓ IN STOCK!
    $47.38 Buy Surplus As Low As $34.96
    $34.96
    Repair Yours Contact Us
    EATON CORPORATION KT2400T

    EATON CORPORATION

    CUTLER HAMMER

    KT2400T

    TYPE KT TRIP UNIT ONLY 2P 400A 600VAC MAX__TRIP 2000-4000
    ✓ IN STOCK!
    $756.00 Buy Surplus As Low As $308.72
    $308.72
    Repair Yours $256.24
    EATON CORPORATION QBHW2035H

    EATON CORPORATION

    CUTLER HAMMER

    QBHW2035H

    QB THERMAL MAGNETIC CIRCUIT BREAKER,QUICKLAG INDUSTRIAL THERMAL-MAGNETIC CIRCUIT BREAKER,40 A,22 KAIC,TWO-POLE,240 V,NON-INTERCHANGEABLE,Q7,QBHW
    ✓ IN STOCK!
    $679.00 Buy Surplus As Low As $408.00
    $408.00
    Repair Yours $339.00
    EATON CORPORATION QBHW3015HVH08

    EATON CORPORATION

    CUTLER HAMMER

    QBHW3015HVH08

    3P 15A QBHW 22KA 240V 50 DEG C AND MARINE LABEL
    $731.00 Buy Surplus As Low As $439.00
    $439.00
    Repair Yours $365.00
    EATON CORPORATION LDB3600

    EATON CORPORATION

    CUTLER HAMMER

    LDB3600

    CIRCUIT BREAKER, 3 POLE, 600 AMP, 3 PHASE, C SERIES, L FRAME
    ✓ IN STOCK!
    $13,960.55 Buy Surplus As Low As $2,277.38
    $2,277.38
    Repair Yours $1,890.22
    EATON CORPORATION SNT4RP05K

    EATON CORPORATION

    CUTLER HAMMER

    SNT4RP05K

    48-60VAC RH SHUNT TRIP FOR LD BREAKER
    ✓ IN STOCK!
    $427.78 Buy Surplus As Low As $276.88
    $276.88
    Repair Yours $229.81
    EATON CORPORATION SNT4RP18K

    EATON CORPORATION

    CUTLER HAMMER

    SNT4RP18K

    480-600V AC RH SHUNT TRIP FOR LD BREAKER
    ✓ IN STOCK!
    $480.05 Buy Surplus As Low As $310.71
    $310.71
    Repair Yours $257.89
    EATON CORPORATION SNT5LP18K

    EATON CORPORATION

    CUTLER HAMMER

    SNT5LP18K

    SHUNT TRIP W/PIGTAIL 480/600VAC LH
    ✓ IN STOCK!
    $620.42 Buy Surplus As Low As $452.29
    $452.29
    EATON CORPORATION QCR2050

    EATON CORPORATION

    CUTLER HAMMER

    QCR2050

    CIRCUIT BREAKER, QUICKLAG TYPE QCR, 1/2-INCH, INDUSTRIAL, THERMAL-MAGNETIC, 50 A, 10 KAIC, TWO-POLE, 120/240 V, THERMAL-MAGNETIC, CABLE-IN/CABLE-OUT, QCR, FIXED
    ✓ IN STOCK!
    $55.69 Buy Surplus As Low As $32.44
    $32.44
    Repair Yours Contact Us
    EATON CORPORATION QHCX1015

    EATON CORPORATION

    CUTLER HAMMER

    QHCX1015

    QHCX1015, TYPE QHCX BREAKER 1P 15A 240VAC MAX 42KAIC
    ✓ IN STOCK!
    $418.00 Buy Surplus As Low As $276.00
    $276.00
    Repair Yours $200.00
    EATON CORPORATION QHCX1020

    EATON CORPORATION

    CUTLER HAMMER

    QHCX1020

    QHCX1020, TYPE QHCX BREAKER 1P 20A 240VAC MAX 42KAIC
    ✓ IN STOCK!
    $403.00 Buy Surplus As Low As $266.00
    $266.00
    Repair Yours $200.00
    SIEMENS SND69800ANGT

    SIEMENS

    SND69800ANGT

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, ND6, 3-POLE, 600 V, 800 A, 25 KA, REPLACED BY SND6B800LSIG
    ✓ IN STOCK!
    Buy Surplus As Low As $6,000.00
    $6,000.00
    Repair Yours $5,000.00
    SIEMENS SLVBH3620G

    SIEMENS

    SLVBH3620G

    BUS PLUG, SENTRON LOW-AMP, TYPE SLVBH, 3PH, 3W, 600V, 60A, 200KA@480V, COMPLETE WITH GROUND, FUSIBLE, ACCEPTS CLASS R, H, K FUSES
    ✓ IN STOCK!
    $3,260.63 Buy Surplus As Low As $1,758.33
    $1,758.33
    SIEMENS SLVBH4640G

    SIEMENS

    SLVBH4640G

    BUS WAY SWITCH, FUSIBLE, 3 PHASE, 4 WIRE, SENTRON II, HEAVY DUTY, HORIZONTAL ORIENTATION, 600 VOLTS, 200 AMPS MAX, IP40, INTERNAL GROUND
    ✓ IN STOCK!
    $7,782.00 Buy Surplus As Low As $2,564.60
    $2,564.60
    SIEMENS U06FD60

    SIEMENS

    U06FD60

    CIRCUIT BREAKER, MOLDED CASE, U06 SERIES, 480 VAC, 1 UNDERVOLTAGE TRIP
    ✓ IN STOCK!
    $2,103.00 Buy Surplus As Low As $1,599.00
    $1,599.00
    Repair Yours $402.63
    SIEMENS SMD69800ANTH

    SIEMENS

    SMD69800ANTH

    BREAKER, MD6 3P 600V 800A LSI 100
    $15,215.00 Buy Surplus As Low As $9,129.00
    $9,129.00
    Repair Yours $7,578.00
    SIEMENS TC5R600

    SIEMENS

    TC5R600

    BREAKER LUG TERMINAL, PD/RD CU BODY LUG, 5 W, 600 KCMIL, COPPER TYPE
    ✓ IN STOCK!
    $1,750.00 Buy Surplus As Low As $211.05
    $211.05
    SIEMENS W410190

    SIEMENS

    W410190

    S SW PARTS HD, GDSS 30A NEUTRAL KIT
    $90.00 Buy Surplus As Low As $54.00
    $54.00
    ASEA BROWN BOVERI T1N030TLA

    ASEA BROWN BOVERI

    T1N030TLA

    BKR T1N 30A 3P T/M AS
    ✓ IN STOCK!
    $720.00 Buy Surplus As Low As $432.00
    $432.00
    Repair Yours $359.00
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