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    Circuit Breaker / Molded Case Circuit Breaker

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    Results 1-50 of 531.
    WEG UMBW-1C1-1

    WEG

    UMBW-1C1-1

    CIRCUIT BREAKER, 1 POLE, C-CURVE, 1 AMP, 277VAC
    ✓ IN STOCK!
    $20.00 Buy Surplus As Low As $12.00
    $12.00
    WEG UMBW-1D1-2

    WEG

    UMBW-1D1-2

    CIRCUIT BREAKER, 1P, 277 VAC, D-CURVE, 2A
    ✓ IN STOCK!
    $27.90 Buy Surplus As Low As $16.74
    $16.74
    Repair Yours $200.00
    WEG UMBW-1B1-4

    WEG

    UMBW-1B1-4

    CIRCUIT BREAKER, 277 VAC, 4 AMP, 1 POLE
    ✓ IN STOCK!
    $22.00 Buy Surplus As Low As $17.00
    $17.00
    Repair Yours $200.00
    WEG MPW40-3-U004

    WEG

    MPW40-3-U004

    MANUAL MOTOR PROTECTOR, MPW40 SERIES, 4AMP, ROTARY, 3-POLE, 2.5-4AMP ADJUSTABLE, 52AMP INSTANTANEOUS TRIP, DIN-RAIL MOUNT
    ✓ IN STOCK!
    $140.00 Buy Surplus As Low As $93.00
    $93.00
    Repair Yours $200.00
    WEG UBW400N-FTU400-3A

    WEG

    UBW400N-FTU400-3A

    400A 3P CIR BRKR, , , CIRCUIT BREAKER, MOLDED CASE CIRCUIT BREAKER
    ✓ IN STOCK!
    $1,635.00 Buy Surplus As Low As $981.00
    $981.00
    Repair Yours $815.00
    WEG UBW225N-FTU200-3A

    WEG

    UBW225N-FTU200-3A

    WEG F FRAME 200 AMP, , , CIRCUIT BREAKER, MOLDED CASE CIRCUIT BREAKER
    ✓ IN STOCK!
    $845.00 Buy Surplus As Low As $507.00
    $507.00
    Repair Yours $421.00
    WEG UBW250N-FTU250-3A

    WEG

    UBW250N-FTU250-3A

    WEG J FRAME 250 AMP, , , CIRCUIT BREAKER, MOLDED CASE CIRCUIT BREAKER
    ✓ IN STOCK!
    $845.00 Buy Surplus As Low As $507.00
    $507.00
    Repair Yours $421.00
    WEG HMCFP355F

    WEG

    HMCFP355F

    3P 55A, CIRCUIT BREAKER, , CIRCUIT BREAKER, MOLDED CASE CIRCUIT BREAKER
    ✓ IN STOCK!
    $110.00 Buy Surplus As Low As $66.00
    $66.00
    Repair Yours $200.00
    WEG UBW225N-FTU40-3A

    WEG

    UBW225N-FTU40-3A

    BREAKER, CIRCUIT BREAKER, MOLDED CASE, CIRCUIT BREAKER, MOLDED CASE CIRCUIT BREAKER
    ✓ IN STOCK!
    $378.00 Buy Surplus As Low As $227.00
    $227.00
    Repair Yours $200.00
    WEG UBW225N-FTU50-3A

    WEG

    UBW225N-FTU50-3A

    WEG F FRAME 50 AMP, CIRCUIT BREAKER, MOLDED CASE, CIRCUIT BREAKER, MOLDED CASE CIRCUIT BREAKER
    ✓ IN STOCK!
    $378.00 Buy Surplus As Low As $227.00
    $227.00
    Repair Yours $200.00
    WEG UMBW-1C2-1

    WEG

    UMBW-1C2-1

    CIRCUIT BREAKER, THERMAL MAGNETIC, MINATURE, C CURVE, 1 AMP, 2 POLE, 277/480 VAC, UL1077
    ✓ IN STOCK!
    $47.00 Buy Surplus As Low As $36.00
    $36.00
    WEG UMBW-4D2-5

    WEG

    UMBW-4D2-5

    CIRCUIT BREAKER, MINI, 5 AMP, 2 POLE, 240 VAC, 125 VDC, THERMAL-MAGNETIC
    ✓ IN STOCK!
    $69.36 Buy Surplus As Low As $52.71
    $52.71
    Repair Yours $200.00
    WEG UMBW-4D2-6

    WEG

    UMBW-4D2-6

    CIRCUIT BREAKER, MINI, 6 AMP, 2 POLE, 277/480 VAC, 125 VDC, THERMAL-MAGNETIC
    ✓ IN STOCK!
    $86.70 Buy Surplus As Low As $57.22
    $57.22
    Repair Yours $200.00
    WEG UMBW-4D3-16

    WEG

    UMBW-4D3-16

    CIRCUIT BREAKER, MINI, 16 AMP, 3 POLE, 277/480 V, THERMAL-MAGNETIC
    ✓ IN STOCK!
    $128.35 Buy Surplus As Low As $97.55
    $97.55
    Repair Yours $200.00
    WEG UMBW-4D3-20

    WEG

    UMBW-4D3-20

    CIRCUIT BREAKER, MINI, 20 AMP, 3 POLE, 277/480 V, THERMAL-MAGNETIC
    ✓ IN STOCK!
    $128.35 Buy Surplus As Low As $84.71
    $84.71
    Repair Yours $200.00
    WEG UMBW-4D3-32

    WEG

    UMBW-4D3-32

    CIRCUIT BREAKER, MINI, 32 AMP, 3 POLE, 277/480 V
    ✓ IN STOCK!
    $103.70 Buy Surplus As Low As $78.81
    $78.81
    WEG ACW160H-FMU160-3

    WEG

    ACW160H-FMU160-3

    CIRCUIT BREAKER, 160 AMP, 3 POLE, 380-415 VAC, 85KA, MOLDED CASE
    ✓ IN STOCK!
    $453.00 Buy Surplus As Low As $345.00
    $345.00
    Repair Yours $225.76
    WEG UMBW-4C2-2

    WEG

    UMBW-4C2-2

    MINI CIRCUIT BREAKER
    ✓ IN STOCK!
    $102.00 Buy Surplus As Low As $62.00
    $62.00
    Repair Yours $200.00
    WEG SRW01-HMI

    WEG

    SRW01-HMI

    INTERFACE MODULE SRW01-HMI
    ✓ IN STOCK!
    $268.00 Buy Surplus As Low As $177.00
    $177.00
    Repair Yours $200.00
    WEG UBW225H-FTU30-3A

    WEG

    UBW225H-FTU30-3A

    CIRCUIT BREAKER, UBW SERIES, MOLDED, 3 POLES, FRAME SIZE 225, FIXED THERMAL AND MAGNETIC TRIP, 30 AMPS, 35.0 KA @480 VAC, 600 V
    ✓ IN STOCK!
    $511.00 Buy Surplus As Low As $307.00
    $307.00
    Repair Yours $255.00
    WEG DWB250PE150-3DF

    WEG

    DWB250PE150-3DF

    MOLDED CASE CIRCUIT BREAKER, 150AMP,3 POLE,480VAC
    ✓ IN STOCK!
    $813.00 Buy Surplus As Low As $488.00
    $488.00
    Repair Yours $406.00
    WEG UMBW-1C2-4

    WEG

    UMBW-1C2-4

    MINI CIRCUIT BREAKER
    ✓ IN STOCK!
    $47.00 Buy Surplus As Low As $29.00
    $29.00
    Repair Yours $200.00
    WEG ACW400P-FMU400-3

    WEG

    ACW400P-FMU400-3

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, ADJUSTABLE THERMAL / FIXED MAGNETIC TRIP, 3-POLE, 400 AMP, 35 KA RATING @ 480 VAC, 18 KA RATING @ 600 VAC, INCLUDES LUG KIT
    ✓ IN STOCK!
    Buy Surplus As Low As $2,100.00
    $2,100.00
    WEG UBW225N-FTU125-3A

    WEG

    UBW225N-FTU125-3A

    CIRCUIT BREAKER, 35.0 KA, FRAME 225, RATED CURRENT 125AMP, W/ LUGS
    ✓ IN STOCK!
    $625.00 Buy Surplus As Low As $375.00
    $375.00
    Repair Yours $312.00
    WEG MPW18-3-U-010

    WEG

    MPW18-3-U-010

    ELECTRIC MANUAL MOTOR PROTECTOR 6.3-10 A. PHASE 1, 3 P, OPERATING CURRENT 18 A
    ✓ IN STOCK!
    $122.00 Buy Surplus As Low As $94.00
    $94.00
    Repair Yours $200.00
    WEG UMBW-1D1-4

    WEG

    UMBW-1D1-4

    MINI CIRCUIT BREAKER, 1 POLE, 4 AMP, 277VAC, D CURVE
    ✓ IN STOCK!
    $31.00 Buy Surplus As Low As $24.00
    $24.00
    Repair Yours $200.00
    WEG UMBW-1C1-5

    WEG

    UMBW-1C1-5

    CIRCUIT BREAKER, 277/480VAC, C-CURVE, 1 POLE
    ✓ IN STOCK!
    $30.60 Buy Surplus As Low As $18.36
    $18.36
    Repair Yours $200.00
    WEG UBW225N-FTU15-3A

    WEG

    UBW225N-FTU15-3A

    CIRCUIT BREAKER, UBW SERIES, THERMAL MAGNETIC, FIXED, 35.0 KA, FRAME 225, RATED CURRENT 15AMP, 3POLE, 480VAC, W/ LUGS
    ✓ IN STOCK!
    $249.31 Buy Surplus As Low As $189.47
    $189.47
    Repair Yours $200.00
    WEG UMBW-4D2-40

    WEG

    UMBW-4D2-40

    MINIATURE CIRCUIT BREAKER, UMBW SERIES, THERMAL-MAGNETIC, 1 AMP, 2 POLE, 277/480 VAC, 125VDC
    ✓ IN STOCK!
    $91.80 Buy Surplus As Low As $55.08
    $55.08
    Repair Yours $200.00
    WEG UBW225N-FTU225-3A

    WEG

    UBW225N-FTU225-3A

    WEG F FRAME 225 AMP, , , CIRCUIT BREAKER, MOLDED CASE CIRCUIT BREAKER
    ✓ IN STOCK!
    $845.00 Buy Surplus As Low As $507.00
    $507.00
    Repair Yours $421.00
    WEG LAB3225A

    WEG

    LAB3225A

    3P 3PH 225A 600V, CIRCUIT BREAKER, MOLDED CASE CIRCUIT BREAKER
    ✓ IN STOCK!
    $3,369.00 Buy Surplus As Low As $2,022.00
    $2,022.00
    Repair Yours $1,679.00
    WEG MPW80-3-U040

    WEG

    MPW80-3-U040

    MOTOR PROTECTOR BREAKER, MANUAL, 40 AMP, 32-40 AMP ADJUSTABLE RANGE, OPEN ENCLOSURE, THERMAL OVERLOAD, 54 MM FRAME, SCREW TERMINAL, 3 POLE, TRIPPING CLASS 10, REPLACES MPW65-3-U040
    ✓ IN STOCK!
    $318.00 Buy Surplus As Low As $192.00
    $192.00
    Repair Yours $200.00
    WEG UMBW-1D2-10

    WEG

    UMBW-1D2-10

    CIRCUIT BREAKER, MINI, 10 AMP, 2 POLE, 277/480 V, THERMAL-MAGNETIC
    ✓ IN STOCK!
    $39.95 Buy Surplus As Low As $26.37
    $26.37
    Repair Yours $200.00
    WEG UMBW-1D2-2

    WEG

    UMBW-1D2-2

    CIRCUIT BREAKER, MINI, 2 AMP, 2 POLE, 277/480 V, THERMAL-MAGNETIC
    ✓ IN STOCK!
    $31.96 Buy Surplus As Low As $24.29
    $24.29
    Repair Yours $200.00
    WEG UMBW-1D2-6

    WEG

    UMBW-1D2-6

    CIRCUIT BREAKER, MINI, 6 AMP, 2 POLE, 277/480 V, THERMAL-MAGNETIC
    ✓ IN STOCK!
    $39.95 Buy Surplus As Low As $30.36
    $30.36
    Repair Yours $200.00
    WEG UMBW-4D3-10

    WEG

    UMBW-4D3-10

    CIRCUIT BREAKER, MINI, 10 AMP, 3 POLE, 277/480 V, THERMAL-MAGNETIC
    ✓ IN STOCK!
    $128.35 Buy Surplus As Low As $97.55
    $97.55
    Repair Yours $200.00
    WEG UMBW-4D3-6

    WEG

    UMBW-4D3-6

    CIRCUIT BREAKER, MINI, 6 AMP, 3 POLE, 277/480 V, THERMAL-MAGNETIC
    ✓ IN STOCK!
    $128.35 Buy Surplus As Low As $84.71
    $84.71
    Repair Yours $200.00
    WEG UMBW-1D1-1

    WEG

    UMBW-1D1-1

    CIRCUIT BREAKER, MINI, 1 AMP, 1 POLE, 277 V, THERMAL-MAGNETIC
    ✓ IN STOCK!
    $24.80 Buy Surplus As Low As $18.85
    $18.85
    Repair Yours $200.00
    WEG UMBW-4D2-8

    WEG

    UMBW-4D2-8

    CIRCUIT BREAKER, MINATURE, 8A, D CURVE
    ✓ IN STOCK!
    $86.70 Buy Surplus As Low As $57.22
    $57.22
    Repair Yours $200.00
    WEG DWB100CE100-3DX

    WEG

    DWB100CE100-3DX

    CIRCUIT BREAKER, 3 POLE, 100 AMPS, 480 VAC, 50/60HZ
    ✓ IN STOCK!
    $291.00 Buy Surplus As Low As $193.00
    $193.00
    Repair Yours $200.00
    WEG DWB100JE50-3DX

    WEG

    DWB100JE50-3DX

    CIRCUIT BREAKER, MOLDED CASE, THERMAL MAGNETIC, 50 AMP, 3 POLE, 14 KA @ 480 V, 100 FRAME SIZE
    ✓ IN STOCK!
    $318.00 Buy Surplus As Low As $210.00
    $210.00
    Repair Yours $200.00
    WEG UBW225H-FTU60-3A

    WEG

    UBW225H-FTU60-3A

    CIRCUIT BREAKER, MOLDED CASE, 3 POLE, 60 AMP, FIXED THERMAL AND MAGNETIC TRIP, 225 FRAME SIZE, UB5H-FTU60-3A
    ✓ IN STOCK!
    $511.00 Buy Surplus As Low As $389.00
    $389.00
    Repair Yours $255.00
    WEG LC-10/2

    WEG

    SIEI

    LC-10/2

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 10 AMP, 2 POLE, 230-400 V
    ✓ IN STOCK!
    Buy Surplus As Low As $27.00
    $27.00
    WEG 10076431

    WEG

    10076431

    TWO-POLE MINIATURE CIRCUIT BREAKERS -MDW-C25-2 - MIN ORDER QTY -25
    Buy Surplus As Low As $7.20
    $7.20
    WEG 10824110

    WEG

    10824110

    SEMICONDUCTOR PROTECTION FUSE - AR FUSE TYPE "NH" - SUITABLE FOR MODELS= CFW11 0370T4/SSW06 0170T2257, 0205T2257, 0480T2257/SSW07 0200T5 - FNH2-630K-A - PK QTY 3
    $85.00 Buy Surplus As Low As $51.00
    $51.00
    WEG DWA630N-500-3

    WEG

    DWA630N-500-3

    CIRCUIT BREAKER MOLDED CASE 400/500AMP 690VAC 8KV
    Buy Surplus As Low As $750.00
    $750.00
    Repair Yours $640.00
    WEG ACW125P-FTU20-3

    WEG

    ACW125P-FTU20-3

    CIRCUIT BREAKER -FIXED THERMAL AND FIXED MAGNETIC
    $623.00 Buy Surplus As Low As $374.00
    $374.00
    Repair Yours $311.00
    WEG ACW125P-FTU40-3

    WEG

    ACW125P-FTU40-3

    CIRCUIT BREAKER -FIXED THERMAL AND FIXED MAGNETIC
    $623.00 Buy Surplus As Low As $374.00
    $374.00
    Repair Yours $311.00
    WEG ACW125W-FTU15-3

    WEG

    ACW125W-FTU15-3

    CIRCUIT BREAKER -FIXED THERMAL AND FIXED MAGNETIC
    $934.00 Buy Surplus As Low As $561.00
    $561.00
    Repair Yours $466.00
    WEG ACW125W-FTU20-3

    WEG

    ACW125W-FTU20-3

    CIRCUIT BREAKER -FIXED THERMAL AND FIXED MAGNETIC
    $934.00 Buy Surplus As Low As $561.00
    $561.00
    Repair Yours $466.00
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