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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 151-200 of 874.
    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
    FEDERAL PACIFIC ELECTRIC NJL631400

    FEDERAL PACIFIC ELECTRIC

    NJL631400

    DISCONTINUED BY MANUFACTURER, MOLDED CASE CIRCUIT BREAKER, 400AMP, 3POLE, 600VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $453.05
    $453.05
    Repair Yours $376.03
    FEDERAL PACIFIC ELECTRIC NEF431100

    FEDERAL PACIFIC ELECTRIC

    NEF431100

    CIRCUIT BREAKER, VOLTAGE RATING: 480VAC, CURRENT RATING: 100AMP, 3 POLE
    ✓ IN STOCK!
    $788.21 Buy Surplus As Low As $472.93
    $472.93
    Repair Yours $428.00
    EATON CORPORATION EHD3015

    EATON CORPORATION

    CUTLER HAMMER

    EHD3015

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 480 VAC, 250 VDC, 3-POLE, 15 AMP, LOAD SIDE LUGS ONLY
    ✓ IN STOCK!
    $707.19 Buy Surplus As Low As $302.69
    $302.69
    Repair Yours $251.23
    EATON CORPORATION CHB115GF

    EATON CORPORATION

    CUTLER HAMMER

    CHB115GF

    CIRCUIT BREAKER, 15AMP, 1POLE, GROUND FAULT INTERRUPT
    ✓ IN STOCK!
    $167.21 Buy Surplus As Low As $127.08
    $127.08
    Repair Yours Contact Us
    EATON CORPORATION CH230EPD

    EATON CORPORATION

    CUTLER HAMMER

    CH230EPD

    CH GFCI CIRCUIT BREAKER, GROUND FAULT EQUIPMENT PROTECTOR, 30 A, 10 KAIC, TWO-POLE, 120240 V, CH, COMMON, 14-6 AWG CUAL, TYPE CH LOADCENTERS, GROUND FAULT CIRCUIT INTERRUPTER, GFI
    $460.67 Buy Surplus As Low As $276.40
    $276.40
    Repair Yours $300.00
    EATON CORPORATION BRHH120

    EATON CORPORATION

    CUTLER HAMMER

    BRHH120

    TYPE BR BREAKER 20A/1 POLE COM. TRIP 120/240V 42K
    ✓ IN STOCK!
    $192.57 Buy Surplus As Low As $115.54
    $115.54
    Repair Yours $300.00
    FUJI ELECTRIC BU-ECA-3030

    FUJI ELECTRIC

    BU-ECA-3030

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 30 AMP, 3 POLE, 240 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $114.00
    $114.00
    EATON CORPORATION RKDN400

    EATON CORPORATION

    CUTLER HAMMER

    RKDN400

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER ENCLOSURE, 600V, 125-400 AMP, NEMA 3R, WITH KNOCKOUTS, FOR FRAMES DK / KD / KBS / HKD / HKDB / KDC / CKD / CHKD / KG / E2K / E2KM, ** FREIGHT RE ...
    ✓ IN STOCK!
    $3,498.56 Buy Surplus As Low As $2,658.91
    $2,658.91
    EATON CORPORATION LD3600F

    EATON CORPORATION

    CUTLER HAMMER

    LD3600F

    MOLDED CASE CIRCUIT BREAKER FRAME, L-FRAME, LD, FRAME ONLY, FIXED THERMAL, FIXED MAGNETIC TRIP TYPE, THREE-POLE, 600 A, 600 VAC, 250 VDC, 65 KAIC AT 240 VAC, 35 KAIC AT 480 VAC, LINE AND LOA ...
    ✓ IN STOCK!
    $3,501.24 Buy Surplus As Low As $2,068.91
    $2,068.91
    Repair Yours $1,807.58
    EATON CORPORATION HND3800T36W

    EATON CORPORATION

    CUTLER HAMMER

    HND3800T36W

    HND DIGITRIP 310 3P 800A 80% DUTY ADJ GF
    ✓ IN STOCK!
    $16,065.67 Buy Surplus As Low As $7,237.69
    $7,237.69
    Repair Yours $6,007.28
    EATON CORPORATION HMCP100R3

    EATON CORPORATION

    CUTLER HAMMER

    HMCP100R3

    CIRCUIT BREAKER, SERIES C, 100 AMP, 3 POLE, 600 VAC, 250 VDC
    ✓ IN STOCK!
    $1,740.13 Buy Surplus As Low As $355.34
    $355.34
    Repair Yours $319.95
    EATON CORPORATION HMCP050G2

    EATON CORPORATION

    CUTLER HAMMER

    HMCP050G2

    CIRCUIT BREAKER, MOLDED CASE, SERIES C, 600 VAC MAX, 250 VDC MAX, 3-POLE, 50 AMP, THERMAL MAGNETIC
    ✓ IN STOCK!
    $566.22 Buy Surplus As Low As $435.56
    $435.56
    Repair Yours $325.36
    SIEMENS 3RV1921-1M

    SIEMENS

    FURNAS ELECTRIC CO

    3RV1921-1M

    DISCONTINUED BY MANUFACTURER, ALARM SWITCH AUXILIARY CONTACT, 10AMP, 240V, 1NO/1NC
    ✓ IN STOCK!
    Buy Surplus As Low As $15.00
    $15.00
    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 $34.64
    $34.64
    Repair Yours $300.00
    IDEC NRBM3100-30A-AA

    IDEC

    NRBM3100-30A-AA

    CIRCUIT BREAKER, NRBM SERIES, ELECTROMAGNETIC TRIPPING, 3 POLES, SERIES TRIP, NO AUX, 30 AMP RATED, AC CURVE
    ✓ IN STOCK!
    $144.15 Buy New $144.15
    $95.14
    GENERAL ELECTRIC GPB1FA

    GENERAL ELECTRIC

    GPB1FA

    FEED TERMINAL BUSBAR, 3 PHASE, 1H FEEDING TERMINAL, UPPER CONNECTION, FOR GPS1
    ✓ IN STOCK!
    $59.59 Buy Surplus As Low As $36.36
    $36.36
    EATON CORPORATION WMS-1C04

    EATON CORPORATION

    CUTLER HAMMER

    WMS-1C04

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, WMS SERIES, 4 AMP, 1 POLE, 120/277 VAC, C-CURVE
    ✓ IN STOCK!
    Buy Surplus As Low As $53.78
    $53.78
    EATON CORPORATION HND312T33W

    EATON CORPORATION

    CUTLER HAMMER

    HND312T33W

    MOLDED CASE CIRCUIT BREAKER, NG FRAME, 3 POLE, 1200 AMP, 600 VAC, 100 KAIC @ 240V, 65 KAIC @ 480V, 50/60 HZ
    ✓ IN STOCK!
    $12,944.65 Buy Surplus As Low As $8,022.10
    $8,022.10
    Repair Yours $5,610.00
    EATON CORPORATION HLDB3600FT33W

    EATON CORPORATION

    CUTLER HAMMER

    HLDB3600FT33W

    CIRCUIT BREAKER, SERIES C, L-FRAME, HLDB, FRAME ONLY, DIGITRIP 310 RMS, ELECTRONIC LS TRIP TYPE, THREE-POLE, 600 AMP, 100 KAIC @ 240 VAC, 65 KAIC @ 480 VAC, WITHOUT TERMINALS, 50/60 HZ
    ✓ IN STOCK!
    $10,608.94 Buy Surplus As Low As $6,874.59
    $6,874.59
    Repair Yours $5,283.25
    EATON CORPORATION GD3035

    EATON CORPORATION

    CUTLER HAMMER

    GD3035

    MOLDED CASE CIRCUIT BREAKER, G FRAME, TYPE GD, 22 KAIC AT 480 VAC, 3 POLE, 35 AMP RATING
    ✓ IN STOCK!
    $599.21 Buy Surplus As Low As $355.43
    $355.43
    Repair Yours $300.00
    EATON CORPORATION FD3175L

    EATON CORPORATION

    CUTLER HAMMER

    FD3175L

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 3-POLE, 175 AMP, LINE AND LOAD TERMINALS
    ✓ IN STOCK!
    $4,286.84 Buy Surplus As Low As $1,949.56
    $1,949.56
    Repair Yours $1,618.14
    GENERAL ELECTRIC THED136050

    GENERAL ELECTRIC

    THED136050

    E150 LINE, TYPE THED, 3P, 3PH, 50A, 600V, 25KA@480V, COMPLETE WITH LOAD SIDE LUG TERMINALS, HIGH INTERRUPTING CAPACITY, 40C, BOLT-ON, THERMAL MAGNETIC MOLDED CASE CIRCUIT BREAKERS , THED1360 ...
    ✓ IN STOCK!
    $948.92 Buy Surplus As Low As $549.96
    $549.96
    GENERAL ELECTRIC TEY320

    GENERAL ELECTRIC

    TEY320

    CIRCUIT BREAKER, Q-LINE, TYPE TEY, 3 POLE, 3 PHASE, 20 AMP, 277/480V, 14KAIC @ 480V, STANDARD INTERRUPT, BOLT-ON, THERMAL MAGNETIC
    ✓ IN STOCK!
    $250.00 Buy Surplus As Low As $137.50
    $137.50
    Repair Yours $200.00
    GENERAL ELECTRIC TED134015WL

    GENERAL ELECTRIC

    TED134015WL

    CIRCUIT BREAKER, E150-LINE STYLE, TED TYPE, THERMAL MAGNETIC TRIP, 3 POLE, 15 AMP, 3 PHASE, 480 VAC/250 VDC RATING, 18KA@480V
    ✓ IN STOCK!
    $658.66 Buy Surplus As Low As $395.19
    $395.19
    Repair Yours $328.01
    GENERAL ELECTRIC SGHA36AT0400

    GENERAL ELECTRIC

    SGHA36AT0400

    CIRCUIT BREAKER, SPECTRA, 3 POLE, 3 PHASE, 400A, 600V, 35KAIC @ 480V, STANDARD INTERRUPT, BOLT-ON, REVERSE FEED, UL, LSI TRIP, WITHOUT LUGS, SOLID STATE ELECTRONIC
    ✓ IN STOCK!
    $1,923.74 Buy Surplus As Low As $893.34
    $893.34
    Repair Yours $695.00
    GENERAL ELECTRIC SFHA36AT0250

    GENERAL ELECTRIC

    SFHA36AT0250

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, SPECTRA SERIES, FRAME ONLY, SFHA TYPE, 250 AMP, 3-POLE, 3-PHASE, 600 VAC, BOLT-ON
    ✓ IN STOCK!
    $780.00 Buy Surplus As Low As $468.00
    $468.00
    Repair Yours $350.00
    GENERAL ELECTRIC SB364RG

    GENERAL ELECTRIC

    SB364RG

    BUS PLUG, 3 PHASE, 600V, 200A, 3-WIRE, GROUND, FUSIBLE, SPECTRA SB
    ✓ IN STOCK!
    $8,150.00 Buy Surplus As Low As $4,890.00
    $4,890.00
    GENERAL ELECTRIC SB362RG

    GENERAL ELECTRIC

    SB362RG

    BUS PLUG, 3 PHASE, 600V, 60A, 3-WIRE, GROUND, FUSIBLE, SPECTRA SB
    ✓ IN STOCK!
    $2,392.30 Buy Surplus As Low As $972.54
    $972.54
    EATON CORPORATION WMS3C30

    EATON CORPORATION

    CUTLER HAMMER

    WMS3C30

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, C-CURVE, 30 AMP, 3 POLE, 480 VAC, PLUG-IN
    ✓ IN STOCK!
    Buy Surplus As Low As $180.00
    $180.00
    EATON CORPORATION QBGF1020

    EATON CORPORATION

    CUTLER HAMMER

    QBGF1020

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 20AMP, 1POLE, 120VAC, GROUND FAULT
    ✓ IN STOCK!
    Buy Surplus As Low As $149.37
    $149.37
    Repair Yours $200.00
    EATON CORPORATION HFD3200

    EATON CORPORATION

    CUTLER HAMMER

    HFD3200

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 3-POLE, 200 AMP, LOAD SIDE LUGS ONLY
    ✓ IN STOCK!
    $2,079.87 Buy Surplus As Low As $1,304.08
    $1,304.08
    Repair Yours $834.59
    EATON CORPORATION GFCB220

    EATON CORPORATION

    CUTLER HAMMER

    GFCB220

    TYPE BR 5 MA GFI BREAKER 20A/2 POLE 120/240V 10K
    ✓ IN STOCK!
    $282.98 Buy Surplus As Low As $98.17
    $98.17
    Repair Yours $300.00
    EATON CORPORATION FDB3030

    EATON CORPORATION

    CUTLER HAMMER

    FDB3030

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 3-POLE, 30 AMP, LOAD SIDE LUGS ONLY
    ✓ IN STOCK!
    $965.55 Buy Surplus As Low As $583.84
    $583.84
    Repair Yours $480.01
    GENERAL ELECTRIC THED136030WL

    GENERAL ELECTRIC

    THED136030WL

    CIRCUIT BREAKER, 30 AMP, 3 POLE, 600 VAC, W/LUGS
    ✓ IN STOCK!
    $555.06 Buy Surplus As Low As $333.04
    $333.04
    Repair Yours $300.00
    GENERAL ELECTRIC TFK236T225

    GENERAL ELECTRIC

    TFK236T225

    TRIP UNIT, THERMAL MAGNETIC, 225 AMP, 3 POLE, 600 VAC MAX, ADJUSTABLE, 1000-2250 AMP MAG ADJUST, FOR TYPE TFK/THFK MOLDED CASE CIRCUIT BREAKERS
    ✓ IN STOCK!
    $1,065.35 Buy Surplus As Low As $539.69
    $539.69
    GENERAL ELECTRIC TEY330

    GENERAL ELECTRIC

    TEY330

    CIRCUIT BREAKER, 30 AMP, 3 POLE, 480 VAC / 277 VAC, Q-LINE, TYPE TEY, 3P, 3PH, 30A, 277/480V, 14KA@480V, STANDARD INTERRUPTING CAPACITY, 40C, BOLT-ON, THERMAL MAGNETIC MOLDED CASE CIRCUIT BR ...
    ✓ IN STOCK!
    $303.80 Buy Surplus As Low As $182.28
    $182.28
    GENERAL ELECTRIC TEC36050

    GENERAL ELECTRIC

    TEC36050

    DISCONTINUED BY MANUFACTURER, MOLDED CASE CIRCUIT BREAKER, 50 AMP, 3 POLE, 600 VAC, W/ LUGS
    ✓ IN STOCK!
    Buy Surplus As Low As $1,947.72
    $1,947.72
    Repair Yours $300.00
    GENERAL ELECTRIC SRPF250A200

    GENERAL ELECTRIC

    SRPF250A200

    DISCONTINUED BY MANUFACTURER, RATING PLUG, 200 AMP, 480 V AC, 3-POLE, SPECTRA F
    ✓ IN STOCK!
    $200.00 Buy Surplus As Low As $152.00
    $152.00
    GENERAL ELECTRIC SFLA36AI0250

    GENERAL ELECTRIC

    SFLA36AI0250

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, SPECTRA SERIES, TYPE SFLA, MOLDED CASE, 3-POLE, 3-PHASE, 250 AMP, 600 V, 65KA@480V, HIGH INTERRUPTING CAPACITY, CURRENT LIMITING, BOLT-ON
    ✓ IN STOCK!
    $1,300.00 Buy Surplus As Low As $690.00
    $690.00
    Repair Yours $550.00
    GENERAL ELECTRIC SB462RG

    GENERAL ELECTRIC

    SB462RG

    SB462RG SAFETY SWITCH - GE, 60A, SB, SAFETY SWITCH, 600V, 60 AMP.
    ✓ IN STOCK!
    $2,251.77 Buy Surplus As Low As $915.77
    $915.77
    GENERAL ELECTRIC SB362RGR

    GENERAL ELECTRIC

    SB362RGR

    BUS PLUG, FUSIBLE, SWITCH OPERATED, 3 PHASE, 3 WIRE, 600V, 60 AMP, WITH GROUND, REJECTION STYLE FUSE CLIP, SPECTRA
    ✓ IN STOCK!
    $3,489.64 Buy Surplus As Low As $1,020.00
    $1,020.00
    Repair Yours $790.00
    GENERAL ELECTRIC FVK361R

    GENERAL ELECTRIC

    FVK361R

    BUSPLUG, FUSIBLE, 3 PHASE, 30 AMP, 3 WATTS, 600 VAC, GROUND NOT INCLUDED, CLASS H/R/T/L FUSES, TYPE FVK SWITCH
    ✓ IN STOCK!
    $4,139.09 Buy Surplus As Low As $2,731.80
    $2,731.80
    Repair Yours $1,317.85
    EATON CORPORATION WMS-3C40

    EATON CORPORATION

    CUTLER HAMMER

    WMS-3C40

    CIRCUIT BREAKER, 40AMP, 3POLE, 480 VAC
    ✓ IN STOCK!
    $95.06 Buy Surplus As Low As $73.13
    $73.13
    Repair Yours $300.00
    EATON CORPORATION KD3300

    EATON CORPORATION

    CUTLER HAMMER

    KD3300

    MOLDED CASE BREAKER, 300 AMP, 3 PHASE, 600 VAC MAX, TYPE KD BREAKER
    ✓ IN STOCK!
    $2,208.68 Buy Surplus As Low As $1,325.21
    $1,325.21
    Repair Yours $1,084.02
    EATON CORPORATION ITAP362

    EATON CORPORATION

    CUTLER HAMMER

    ITAP362

    BUSWAY FUSIBLE SWITCH, POW-R-WAY I & II, 3 PHASE, 3 WIRE, 600V, 60A, 200KA @ 600V, CLASS R / H / J FUSES
    ✓ IN STOCK!
    $4,534.00 Buy Surplus As Low As $1,404.39
    $1,404.39
    EATON CORPORATION ITAP361

    EATON CORPORATION

    CUTLER HAMMER

    ITAP361

    POW-R-WAY BUSWAY, FUSIBLE PLUG-IN UNIT, 3-POLE, 30 AMP, 600 VOLT
    ✓ IN STOCK!
    $1,992.52 Buy Surplus As Low As $636.62
    $636.62
    Repair Yours $580.07
    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!
    $4,980.00 Buy Surplus As Low As $1,304.59
    $1,304.59
    Repair Yours $1,082.81
    EATON CORPORATION HFD3080L

    EATON CORPORATION

    CUTLER HAMMER

    HFD3080L

    MOLDED CASE CIRCUIT BREAKER, C SERIES, F-FRAME, 600 VAC, 250 VDC, 3-POLE, 80 AMP, LINE AND LOAD TERMINALS
    ✓ IN STOCK!
    $2,308.00 Buy Surplus As Low As $1,385.00
    $1,385.00
    Repair Yours $1,150.00
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