Molded Case Breakers

7536 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7536 products
    3VA5150-5ED31-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA5150-5ED31-0AA0 - Siemens - Molded Case Circuit Breakers
    50 Amp - 3 Pole - 600 Volt
    Siemens
    3VA5170-6ED31-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA5170-6ED31-0AA0 - Siemens - Molded Case Circuit Breakers
    70 Amp - 3 Pole - 600 Volt
    Siemens
    3VA5225-5EC31-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA5225-5EC31-0AA0 - Siemens - Molded Case Circuit Breakers
    250 Amp - 3 Pole - 600 Volt
    Siemens
    3VA6340-7HL31-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA6340-7HL31-0AA0 - Siemens - Molded Case Circuit Breakers
    400 Amp - 3 Pole - 600 Volt
    Siemens
    Q3100HH - Siemens - Molded Case Circuit Breakers
    Q3100HH - Siemens - Molded Case Circuit Breakers
    100 Amp - 3 Pole - 240 Volt
    Siemens
    QRH23B250 - Siemens - Molded Case Circuit Breakers
    QRH23B250 - Siemens - Molded Case Circuit Breakers
    250 Amp - 3 Pole - 240 Volt
    Siemens
    PDG23F0090TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23F0090TFFJ - Eaton - Molded Case Circuit Breakers
    90 Amp - 3 Pole - 600 Volt
    Eaton
    1492GH050 - Allen Bradley - Molded Case Circuit Breakers
    1492-GH050 - Allen Bradley - Molded Case Circuit Breakers
    Allen Bradley
    1492GH100 - Allen Bradley - Molded Case Circuit Breakers
    1492-GH100 - Allen Bradley - Molded Case Circuit Breakers
    Allen Bradley
    66A4560G03 - Eaton - Molded Case Circuit Breakers
    Eaton
    3VA4145-6ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA4145-6ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    125 Amp - 3 Pole - 480 Volt
    Siemens
    THQCFMK - General Electric - Molded Case Circuit Breakers
    THQCFMK - General Electric - Molded Case Circuit Breakers (single unit)
    General Electric
    CL240 - Eaton - Molded Case Circuit Breaker
    CL240 - Eaton - Molded Case Circuit Breaker
    40 Amp - 2 Pole - 240 Volt
    Eaton
    QBH1015AFGF - Eaton - Molded Case Circuit Breakers
    QBH1015AFGF - Eaton - Molded Case Circuit Breakers
    15 Amp - 1 Pole - 240 Volt
    Eaton
    QB1015AFGF - Eaton - Molded Case Circuit Breakers
    QB1015AFGF - Eaton - Molded Case Circuit Breakers
    15 Amp - 1 Pole - 240 Volt
    Eaton
    EDB3125L - Eaton - Molded Case Circuit Breakers
    EDB3125L - Eaton - Molded Case Circuit Breakers
    125 Amp - 3 Pole - 240 Volt
    Eaton
    PDD23F0200TFFL - Eaton - Molded Case Circuit Breakers
    PDD23F0200TFFL - Eaton - Molded Case Circuit Breakers
    200 Amp - 3 Pole - 240 Volt
    Eaton
    Limited availability
    UVH2LP21K - Eaton - Molded case circuit breaker
    Uvh2Lp21K - Eaton - Molded Case Circuit Breakers
    24 Volt
    Eaton
    Limited availability
    HM3R24 - Eaton - Molded case circuit breaker
    HM3R24 - Eaton - Molded Case Circuit Breakers
    Eaton
    ELJBN3250W - Eaton - Molded case circuit breaker
    Eljbn3250W - Eaton - Molded Case Circuit Breakers
    250 Amp -3 Pole - 480 Volt
    Eaton
    AAL1LPK - Eaton - Molded case circuit breakers
    AAL1LPK - Eaton - Molded Case Circuit Breakers
    Eaton
    3VA4180-5ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA4180-5ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    80 Amp - 3 Pole - 600 Volt
    Siemens
    Limited availability
    PDG23P0045TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23P0045TFFJ - Eaton - Molded Case Circuit Breakers
    Eaton
    PDG23P0025TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23P0025TFFJ - Eaton - Molded Case Circuit Breakers
    Eaton
    Limited availability
    PDG21M0125TFFJ - Eaton - Molded Case Circuit Breakers
    PDG21M0125TFFJ - Eaton - Molded Case Circuit Breakers
    Eaton
    Limited availability
    PDG21M0025TFFJ - Eaton - Molded Case Circuit Breakers
    PDG21M0025TFFJ - Eaton - Molded Case Circuit Breakers
    Eaton
    PDG23F0150TFFL - Eaton - Molded Case Circuit Breakers
    PDG23F0150TFFL - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Eaton
    PDG23F0125TFFL - Eaton - Molded Case Circuit Breakers
    PDG23F0125TFFL - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 125 Amp - 3 Pole - 600 Volt
    Eaton
    PDG23F0060TFFL - Eaton - Molded Case Circuit Breakers
    PDG23F0060TFFL - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 60 Amp - 3 Pole - 600 Volt
    Eaton
    PDG22F0040TFFL - Eaton - Molded Case Circuit Breakers
    PDG22F0040TFFL - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 40 Amp - 2 Pole - 600 Volt
    Eaton
    Limited availability
    PDG22F0015TFFL - Eaton - Molded Case Circuit Breakers
    PDG22F0015TFFL - Eaton - Molded Case Circuit Breakers
    15 Amp - 2 Pole - 600 - Volt
    Eaton
    Sale
    HFD1030L (347V) - Eaton - Molded Case Circuit Breaker
    HFD1030 (347V) - Eaton - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 1 Pole - 347 Volt
    Eaton Cutler-Hammer
    Save $160 CAD
    PDG23P0090TFFL - Eaton - Molded Case Circuit Breakers
    PDG23P0090TFFL - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 90 Amp - 3 pole - 600 Volt
    Eaton
    PDG21M0015TFFL - Eaton - Molded Case Circuit Breakers
    PDG21M0015TFFL - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 15 Amp - 1 pole - 600 Volt
    Eaton
    PDG22G0125TFFL - Eaton - Molded Case Circuit Breakers
    PDG22G0125TFFL - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 125 Amp - 2 pole - 600 Volt
    Eaton
    PDG23P0090TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23P0090TFFJ - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 90 Amp - 3 pole - 600 Volt
    Eaton
    PDG23P0060TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23P0060TFFJ - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 60 Amp - 3 pole - 600 Volt
    Eaton
    PDG23P0040TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23P0040TFFJ - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 40 Amp - 3 pole - 600 Volt
    Eaton
    PDG23P0020TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23P0020TFFJ - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 20 Amp - 3 pole - 600 Volt
    Eaton
    Limited availability
    PDG23P0015TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23P0015TFFJ - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 15 Amp - 3 pole - 600 Volt
    Eaton
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