Molded Case Breakers

2888 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    2888 products
    CED63B060 - Siemens - Molded Case Circuit Breaker
    Bolt On - 60 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CED63B030 - Siemens - Molded Case Circuit Breaker
    Bolt On - 30 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    QRH23B200 - Siemens - Molded Case Circuit Breaker
    QRH23B200 - Siemens - Molded Case Circuit Breaker
    Bolt On - 200 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    PXD63B160 - Siemens - Molded Case Circuit Breaker
    Bolt On - 1600 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    NGB3B090B - Siemens - Molded Case Circuit Breaker
    NGB3B090B - Siemens - Molded Case Circuit Breaker
    Bolt On - 90 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    NGB3B015B - Siemens - Molded Case Circuit Breaker
    NGB3B015B - Siemens - Molded Case Circuit Breaker
    Bolt On - 15 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    JD63T300 - Siemens 300 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Trip Unit
    JD63T300 - Siemens - Trip Unit
    Feed Thru - 300 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    JD63F400 - Siemens 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Frame
    JD63F400 - Siemens - Frame
    Bolt-on - 400 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    HHJD63F400 - Siemens - Frame
    Bolt-on - 400 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    FD63F250 - Siemens 250 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker Frame
    FD63F250 - Siemens - Frame
    Bolt-on - 250 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    ED63B040L - Siemens - Molded Case Circuit Breaker
    ED63B040L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    TJJ436400WL - GE 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    TJJ436400WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    GE
    TEY360 - GE 60 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEY360 - GE - Molded Case Circuit Breaker
    Bolt-On - 60 Amp - 3 Pole - 480 Volt
    GE
    TED136050WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    GE
    Sale
    SEDA36AT0100 - GE - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    GE
    Save $131 CAD
    KD3300 - Eaton - Molded Case Circuit Breaker
    KD3300 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 300 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    HFD3200L - Eaton - Molded Case Circuit Breaker
    HFD3200L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $500 CAD
    Sale
    HFD3015L - Eaton - Molded Case Circuit Breaker
    HFD3015L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 15 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,580.19 CAD
    FDC3040L - Eaton - MoldedCase Circuit Breakers
    FDC3040L - Eaton - MoldedCase Circuit Breakers
    Feed Thru - 40 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FDB3100L - Eaton - Molded Case Circuit Breaker
    FDB3100L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FDB3080L - Eaton - Molded Case Circuit Breaker
    FDB3080L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 80 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FDB3070L - Eaton - Molded Case Circuit Breaker
    FDB3070L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 70 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FD3150L - Eaton - Molded Case Circuit Breaker
    FD3150L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FD3080L - Eaton - Molded Case Circuit Breaker
    FD3080L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 80 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FD3025L - Eaton - Molded Case Circuit Breaker
    FD3025L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 25 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FD3015L - Eaton - Molded Case Circuit Breaker
    FD3015L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 15 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    EHD3060L - Eaton - Molded Case Circuit Breaker
    EHD3060L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    EHD3030L - Eaton - Molded Case Circuit Breaker
    EHD3030L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    EHD3015L - Eaton - Molded Case Circuit Breaker
    EHD3015L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 15 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    QDA32125 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 125 Amp - 3 Pole - 240 Volt
    Schneider Electric
    Sale
    LAL36400 - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LAL36400 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $848 CAD
    Sale
    HLL36150 - Square D - Molded Case Circuit Breaker
    HLL36150 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,026 CAD
    Sale
    HLL36100 - Square D - Molded Case Circuit Breaker
    HLL36100 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,030 CAD
    Sale
    HLL36015 - Square D - Molded Case Circuit Breaker
    HLL36015 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 15 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $890 CAD
    Sale
    HLA36080 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 80 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,040 CAD
    Sale
    FAL36050 - Square D 50 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FAL36050 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $126 CAD
    Sale
    FAL36020 - Square D 20 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FAL36020 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $96 CAD
    FAL34060 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Sale
    FA36050 - Square D 50 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36050 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $455 CAD
    Sale
    HJL36030 - Square D - Molded Case Circuit Breaker
    HJL36030 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $350 CAD
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