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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 722.
    FUJI ELECTRIC FG32R/30-30MA

    FUJI ELECTRIC

    FG32R/30-30MA

    FG32R/30-30MA SMALL TYPE ELCB AC100-200V
    ✓ IN STOCK!
    Buy Surplus As Low As $111.00
    $111.00
    Repair Yours $200.00
    GENERAL ELECTRIC TJJ436250WL

    GENERAL ELECTRIC

    TJJ436250WL

    CIRCUIT BREAKER, MOLDED CASE, THERMAL MAGNETIC TRIP, 3 POLE, 600 V, 22K IC, 250 AMP, WITH LUGS, 30 KA AT 480 V
    ✓ IN STOCK!
    $2,856.00 Buy Surplus As Low As $1,713.60
    $1,713.60
    Repair Yours $1,422.29
    WESTINGHOUSE HFN362

    WESTINGHOUSE

    HFN362

    DISCONTINUED BY MANUFACTURER, SAFETY SWITCH, 60AMP, 600VAC, 3PH, 3POLE
    ✓ IN STOCK!
    Buy Surplus As Low As $564.00
    $564.00
    Repair Yours $470.00
    SIEMENS NGG1B030

    SIEMENS

    NGG1B030

    NGG STD INT BREAKER, BREAKER NGG 30A 1P 277V 25K NO LUG
    $366.00 Buy Surplus As Low As $220.00
    $220.00
    Repair Yours $200.00
    WESTINGHOUSE EH3020

    WESTINGHOUSE

    EH3020

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER 20AMP 3POLE 480VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $425.00
    $425.00
    Repair Yours $350.00
    WEIDMULLER 7914760001

    WEIDMULLER

    7914760001

    FUSE TERMINAL BLOCKS, COMPONENT DRAWER, DIN RAIL
    ✓ IN STOCK!
    $16.00 Buy Surplus As Low As $9.60
    $9.60
    WEIDMULLER 9911100005

    WEIDMULLER

    9911100005

    CB2211-10 W/NC AUX,1.0A
    ✓ IN STOCK!
    $199.00 Buy Surplus As Low As $120.00
    $120.00
    WEIDMULLER 9912200003

    WEIDMULLER

    9912200003

    CB2212-10 W/NO & NC AUX 2.0A
    $189.00 Buy Surplus As Low As $114.00
    $114.00
    WEIDMULLER 9102003200

    WEIDMULLER

    9102003200

    CB4201-10,15.0A/TS32
    ✓ IN STOCK!
    $314.00 Buy Surplus As Low As $189.00
    $189.00
    WEIDMULLER 9926251007

    WEIDMULLER

    9926251007

    CIRCUIT BREAKER, MAGNETIC HYDRAULIC, 9926 SERIES, 120 V, 7 A, 1 POLE, 10 KA, DIN RAIL MOUNT
    ✓ IN STOCK!
    $41.00 Buy Surplus As Low As $25.00
    $25.00
    WEIDMULLER 9926251013

    WEIDMULLER

    9926251013

    QL-1-13-DM-KM-13
    ✓ IN STOCK!
    $126.00 Buy Surplus As Low As $76.00
    $76.00
    WEIDMULLER 9926251535

    WEIDMULLER

    9926251535

    QZ-1-13-D-2-35
    $134.00 Buy Surplus As Low As $81.00
    $81.00
    WEIDMULLER 9926251950

    WEIDMULLER

    9926251950

    QY-1-13-DM-U2-50-B0
    ✓ IN STOCK!
    $69.00 Buy Surplus As Low As $42.00
    $42.00
    WEIDMULLER 9926252007

    WEIDMULLER

    9926252007

    QL-2-13-DM-KM-07
    ✓ IN STOCK!
    $210.00 Buy Surplus As Low As $126.00
    $126.00
    WEIDMULLER 9926252501

    WEIDMULLER

    9926252501

    QZ-2-13-D-2-01
    $146.00 Buy Surplus As Low As $88.00
    $88.00
    WEIDMULLER 9926252504

    WEIDMULLER

    9926252504

    QZ-2-13-D-2-04
    ✓ IN STOCK!
    $137.00 Buy Surplus As Low As $83.00
    $83.00
    GENERAL ELECTRIC SRPF250A90

    GENERAL ELECTRIC

    SRPF250A90

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 90 AMP, SRPF TYPE, SUIT FRAME SFDA/SFHA/SFLA/SFPA
    ✓ IN STOCK!
    Buy Surplus As Low As $89.00
    $89.00
    GENERAL ELECTRIC SRPG600A350

    GENERAL ELECTRIC

    SRPG600A350

    RATING PLUG, SPECTRA SERIES, TYPE SRPG, 350 AMP
    ✓ IN STOCK!
    $439.00 Buy Surplus As Low As $92.00
    $92.00
    GENERAL ELECTRIC SRPK800A800

    GENERAL ELECTRIC

    SRPK800A800

    CIRCUIT BREAKER TRIP, 800 AMP, SK1200, RATING PLUG, (STD)
    ✓ IN STOCK!
    $519.75 Buy Surplus As Low As $311.85
    $311.85
    Repair Yours $258.84
    GENERAL ELECTRIC TFK236T110

    GENERAL ELECTRIC

    TFK236T110

    TRIP UNIT, TFK TYPE, 110 AMP, 3 POLE, 600 VAC
    ✓ IN STOCK!
    $757.71 Buy Surplus As Low As $454.63
    $454.63
    GENERAL ELECTRIC THED124015WL

    GENERAL ELECTRIC

    THED124015WL

    CIRCUIT BREAKER, 15AMP, 2POLE, 480V
    ✓ IN STOCK!
    $2,864.80 Buy Surplus As Low As $1,718.88
    $1,718.88
    Repair Yours $1,426.67
    GENERAL ELECTRIC THJK436300WL

    GENERAL ELECTRIC

    THJK436300WL

    CIRCUIT BREAKER, TYPE THJK, LINE AND LOAD SIDE LUG TERMINALS, 300 AMP, 3 POLE, 600 V
    ✓ IN STOCK!
    $3,200.00 Buy Surplus As Low As $1,920.00
    $1,920.00
    Repair Yours $1,593.60
    GENERAL ELECTRIC THJK436350WL

    GENERAL ELECTRIC

    THJK436350WL

    CIRCUIT BREAKER 350AMP 3POLE 600V
    ✓ IN STOCK!
    $3,142.40 Buy Surplus As Low As $1,885.44
    $1,885.44
    Repair Yours $1,564.92
    GENERAL ELECTRIC THKMA31200WL

    GENERAL ELECTRIC

    THKMA31200WL

    CIRCUIT BREAKER 1200AMP 3POLE 600V
    $8,310.00 Buy Surplus As Low As $4,986.00
    $4,986.00
    Repair Yours $4,139.00
    GENERAL ELECTRIC TEY290

    GENERAL ELECTRIC

    TEY290

    CIRCUIT BREAKER, Q-LINE, TYPE TEY, 2 POLE, 1 PHASE, 90 AMP, 277/480V, 14KAIC @ 480V, BOLT-ON, THERMAL MAGNETIC
    ✓ IN STOCK!
    $971.28 Buy Surplus As Low As $641.05
    $641.05
    Repair Yours $200.00
    SIEMENS WLRP200

    SIEMENS

    WLRP200

    WL ACCESSORIES, WL RATING PLUG 200A
    ✓ IN STOCK!
    $207.48 Buy Surplus As Low As $124.49
    $124.49
    EATON CORPORATION GHB3050S1

    EATON CORPORATION

    CUTLER HAMMER

    GHB3050S1

    MOLDED CASE CIRCUIT BREAKER, G FRAME, TYPE GHB, 14 KAIC AT 480Y/277 VAC, 3 POLE, 50 AMP RATING, LEFT PIGTAIL
    ✓ IN STOCK!
    $998.98 Buy Surplus As Low As $759.22
    $759.22
    Repair Yours $630.16
    EATON CORPORATION HFDE308033

    EATON CORPORATION

    CUTLER HAMMER

    HFDE308033

    MOLDED CASE CIRCUIT BREAKER, TYPE HFDE, 65 KAIC AT 480 VAC, 3 POLE, 80 AMP RATING, 310+LS ELECTRONIC TRIP UNIT
    ✓ IN STOCK!
    $3,412.50 Buy Surplus As Low As $2,047.50
    $2,047.50
    Repair Yours $1,699.43
    EATON CORPORATION HFDE322532

    EATON CORPORATION

    CUTLER HAMMER

    HFDE322532

    MOLDED CASE CIRCUIT BREAKER, TYPE HFDE, 65 KAIC AT 480 VAC, 3 POLE, 225 AMP RATING, 310+LSI ELECTRONIC TRIP UNIT
    ✓ IN STOCK!
    $7,788.00 Buy Surplus As Low As $2,065.07
    $2,065.07
    Repair Yours $1,714.01
    EATON CORPORATION HKD3400K

    EATON CORPORATION

    CUTLER HAMMER

    HKD3400K

    TYPE HKD 3P 400A MOLDED CASE SWITCH W/2TA400K TERMINALS
    ✓ IN STOCK!
    $12,584.00 Buy Surplus As Low As $9,564.00
    $9,564.00
    Repair Yours $1,744.16
    EATON CORPORATION ORPN80A400

    EATON CORPORATION

    CUTLER HAMMER

    ORPN80A400

    RATING PLUG N FRAME 800A
    ✓ IN STOCK!
    $236.00 Buy Surplus As Low As $142.00
    $142.00
    Repair Yours $200.00
    TE CONNECTIVITY 5-1393252-6

    TE CONNECTIVITY

    AMP

    5-1393252-6

    MAGNETIC HYDRAULIC P&B CIRCUIT BREAKERS, W67-X2Q12-15=M6/M7/M9/W6/W7
    $45.00 Buy Surplus As Low As $27.00
    $27.00
    Repair Yours $200.00
    GENERAL ELECTRIC TJJ436350

    GENERAL ELECTRIC

    TJJ436350

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, TYPE TJJ, LOAD SIDE LUG TERMINALS, 350 AMP, 3 POLE, 600 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As $1,605.00
    $1,605.00
    Repair Yours $1,190.00
    SIEMENS BQ2B040H

    SIEMENS

    BQ2B040H

    CIRCUIT BREAKER, BQ SERIES, TYPE BQH, THERMAL MAGNETIC, HIGH INTERRUPTING CAPACITY, 2 POLE, 1 PHASE, 40 AMP, 240 VAC
    ✓ IN STOCK!
    $448.00 Buy Surplus As Low As $341.00
    $341.00
    Repair Yours $200.00
    SIEMENS HEB2B045B

    SIEMENS

    HEB2B045B

    HEB2B045B CIRCUIT BREAKER, 45A, HEB, CIRCUIT BREAKER, 480V, 45 AMP
    ✓ IN STOCK!
    $426.67 Buy Surplus As Low As $256.00
    $256.00
    Repair Yours $212.48
    SIEMENS HEB2B050B

    SIEMENS

    ITE SIEMENS

    HEB2B050B

    HEB2B050B CIRCUIT BREAKER, 50A, HEB, CIRCUIT BREAKER, 480V, 50 AMP
    ✓ IN STOCK!
    $550.00 Buy Surplus As Low As $330.00
    $330.00
    Repair Yours $273.90
    SIEMENS HEB2B060B

    SIEMENS

    ITE SIEMENS

    HEB2B060B

    HEB2B060B CIRCUIT BREAKER, 60A, HEB, CIRCUIT BREAKER, 480V, 60 AMP
    ✓ IN STOCK!
    $550.00 Buy Surplus As Low As $330.00
    $330.00
    Repair Yours $273.90
    SIEMENS HEB2B110B

    SIEMENS

    ITE SIEMENS

    HEB2B110B

    HEB2B110B CIRCUIT BREAKER, 110A, HEB, CIRCUIT BREAKER, 480V, 110 AMP
    ✓ IN STOCK!
    $1,062.50 Buy Surplus As Low As $637.50
    $637.50
    Repair Yours $529.13
    SIEMENS HEB2B125B

    SIEMENS

    HEB2B125B

    HEB2B125B CIRCUIT BREAKER, 125A, HEB, CIRCUIT BREAKER, 480V, 125 AMP
    ✓ IN STOCK!
    $1,437.50 Buy Surplus As Low As $862.50
    $862.50
    Repair Yours $715.88
    SIEMENS HJD63B350

    SIEMENS

    HJD63B350

    MOLDED CASE CIRCUIT BREAKER, SENTRON SERIES, THERMAL MAHNETIC, HIGH IC RATING, TYPE JD, 600 VAC, 3 POLE, STANDARD 40 DEGREES C BREAKER, 350 AMP
    ✓ IN STOCK!
    $2,911.53 Buy Surplus As Low As $1,746.92
    $1,746.92
    SIEMENS HJXD63S400A

    SIEMENS

    HJXD63S400A

    MOLDED CASE CIRCUIT BREAKER, SENTRON SERIES, THERMAL MAHNETIC, HIGH IC RATING, TYPE JD, 600 VAC, 3 POLE, MOLDED CASE SWITCH, 400 AMP , AUTOMATIC SELF PROTECTION
    ✓ IN STOCK!
    $1,775.00 Buy Surplus As Low As $1,065.00
    $1,065.00
    Repair Yours $884.00
    SIEMENS HB1B020

    SIEMENS

    HB1B020

    CIRCUIT BREAKER, BQ SERIES, TYPE HBQ, THERMAL MAGNETIC, HIGH INTERRUPTING CAPACITY, 1 POLE, 1 PHASE, 20 AMP, 120 VAC
    ✓ IN STOCK!
    $196.67 Buy Surplus As Low As $118.00
    $118.00
    SIEMENS HB3B020

    SIEMENS

    HB3B020

    CIRCUIT BREAKER, BQ SERIES, TYPE HBQ, THERMAL MAGNETIC, HIGH INTERRUPTING CAPACITY, 3 POLE, 3 PHASE, 20 AMP, 240 VAC
    ✓ IN STOCK!
    $1,129.33 Buy Surplus As Low As $677.60
    $677.60
    SIEMENS HHED63B040L

    SIEMENS

    HHED63B040L

    MOLDED CASE CIRCUIT BREAKER, SENTRON SERIES, THERMAL MAHNETIC, EXTRA HIGH IC RATING, TYPE ED, 600 VAC, 3 POLE, STANDARD 40 DEGREES C BREAKER, 40 AMP
    ✓ IN STOCK!
    $3,905.21 Buy Surplus As Low As $2,577.44
    $2,577.44
    Repair Yours $455.00
    SIEMENS HHJD63F400

    SIEMENS

    ITE SIEMENS

    HHJD63F400

    CIRCUIT BREAKER, 400 AMP, 3 POLE, 600 VAC, 50 KA, FRAME ONLY
    ✓ IN STOCK!
    $3,134.10 Buy Surplus As Low As $1,880.46
    $1,880.46
    Repair Yours $1,560.78
    SIEMENS FXD62B175

    SIEMENS

    FXD62B175

    MOLDED CASE CIRCUIT BREAKER, SENTRON SERIES, THERMAL MAHNETIC, STANDARD RATING, TYPE FD, 600 VAC, 2 POLE, STANDARD 40 DEGREES C BREAKER, 175 AMP
    ✓ IN STOCK!
    $3,352.45 Buy Surplus As Low As $2,011.47
    $2,011.47
    Repair Yours $1,669.52
    SIEMENS HFD63B150

    SIEMENS

    HFD63B150

    MOLDED CASE CIRCUIT BREAKER, SENTRON SERIES, THERMAL MAHNETIC, HIGH IC RATING, TYPE FD, 600 VAC, 3 POLE, STANDARD 40 DEGREES C BREAKER, 150 AMP
    ✓ IN STOCK!
    $12,640.00 Buy Surplus As Low As $7,584.00
    $7,584.00
    SIEMENS HFXD63B125

    SIEMENS

    HFXD63B125

    CIRCUIT BREAKER, SENTRON SERIES, TYPE HFXD, THERMAL MAGNETIC, HIGH INTERRUPTING CAPACITY, 3 POLE, 3 PHASE, 125 AMP, 600 VAC
    ✓ IN STOCK!
    $12,244.18 Buy Surplus As Low As $8,081.16
    $8,081.16
    Repair Yours $6,097.60
    SIEMENS HHED62B025L

    SIEMENS

    HHED62B025L

    MOLDED CASE CIRCUIT BREAKER, SENTRON SERIES, THERMAL MAHNETIC, EXTRA HIGH IC RATING, TYPE ED, 600 VAC, 2 POLE, STANDARD 40 DEGREES C BREAKER, 25 AMP
    ✓ IN STOCK!
    $588.00 Buy Surplus As Low As $352.80
    $352.80
    Repair Yours $292.82
    SIEMENS HHED62B050L

    SIEMENS

    HHED62B050L

    MOLDED CASE CIRCUIT BREAKER, SENTRON SERIES, THERMAL MAHNETIC, EXTRA HIGH IC RATING, TYPE ED, 600 VAC, 2 POLE, STANDARD 40 DEGREES C BREAKER, 50 AMP
    ✓ IN STOCK!
    $589.00 Buy Surplus As Low As $354.00
    $354.00
    Repair Yours $294.00
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