Molded Case Breakers

299 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    299 products
    QDA32100 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 3 Pole - 240 Volt
    Schneider Electric
    Sale
    HLA36100 - Square D - Molded Case Circuit Breaker
    HLA36100 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,040 CAD
    FAL34100 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Sale
    HDA36100 - Square D 100 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36100 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $520 CAD
    FDB3100 - Eaton - Molded Case Circuit Breaker
    FDB3100 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    EHD3100 - Eaton - Molded Case Circuit Breaker
    EHD3100 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    ED3100 - Eaton - Molded Case Circuit Breaker
    ED3100 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 100 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Sale
    HFD3100L - Eaton - Molded Case Circuit Breaker
    HFD3100 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,480.19 CAD
    QGA221004 - Square D 100 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    QGA221004 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 2 Pole - 240 Volt
    Schneider Electric
    TEYL3100B - GE 100 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYL3100B - GE - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 480 Volt
    GE
    BBKEB32 - Siemens - Molded Case Circuit Breaker
    BBKEB32 - Siemens - Molded Case Circuit Breaker
    100 Amp - 240 Volt
    Siemens / ITE
    Sale
    BGL36100 - Square D 100 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    BGL36100 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $232 CAD
    EDB3100L - Eaton - Molded Case Circuit Breaker
    EDB3100L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    LGG3B100L - Siemens - Molded Case Circuit Breaker
    LGG3B100L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Sale
    EGB36100 - Square D 100 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36100 - Square D 100 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36100 - Square D - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $600 CAD
    HDL26100 - Square D 100 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDL26100 - Square D - Molded Case Circuit Breaker
    Feed Thru - 100 Amp - 2 Pole - 600 Volt
    Schneider Electric
    HGA261001 - Square D 100 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HGA261001 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 2 Pole - 600 Volt
    Schneider Electric
    HED43B100 - Siemens 100 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    HED43B100 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED42B100 - Siemens - Molded Case Circuit Breaker
    Bolt On - 100 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    NGG2B100L - Siemens 100 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    NGG2B100L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 100 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    Sale
    EGB24100 - Square D 100 Amp 2 Pole 480 Volt Bolt-On Circuit Breaker
    EGB24100 - Square D 100 Amp 2 Pole 480 Volt Bolt-On Circuit Breaker
    EGB24100 - Square D - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 2 Pole - 480 Volt
    Schneider Electric
    Save $198 CAD
    NGG3B100L - Siemens - Molded Case Circuit Breaker
    NGG3B100L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CQD2100 - Siemens - Molded Case Circuit Breaker
    CQD2100 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 100 Amp - 2 Pole - 480 Volt
    Siemens / ITE
    QR23B100 - Siemens - Molded Case Circuit Breaker
    QR23B100 - Siemens - Molded Case Circuit Breaker
    Bolt On - 100 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    QR22B100 - Siemens - Molded Case Circuit Breaker
    QR22B100 - Siemens - Molded Case Circuit Breaker
    Bolt On - 100 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    HEB3B100B - Siemens - Molded Case Circuit Breaker
    HEB3B100B - Siemens - Molded Case Circuit Breaker
    Bolt-on - 100 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Sale
    FXD63B100 - Siemens - Molded Case Circuit Breaker
    FXD63B100 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 100 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $340 CAD
    CFD63B100 - Siemens - Molded Case Circuit Breaker
    CFD63B100 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CED63B100L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Sold Out
    THQC32100WL - GE - Molded Case Circuit Breaker
    THQC32100WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 240 Volt
    GE
    THED136100WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    GE
    TEY3100 - GE 100 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEY3100 - GE - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 480 Volt
    GE
    TEB132100WL - GE 100 Amp 3 Pole 240 Volt Molded Case Circuit Breaker General Electric Lug
    TEB132100WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 240 Volt
    GE
    Sold Out
    TEB122100WL - GE 100 Amp 2 Pole 240 Volt Molded Case Circuit Breaker General Electric Lug
    TEB122100WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 2 Pole - 240 Volt
    GE
    SEHA36AT0100 - GE - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    GE
    FDC3100L - Eaton - Molded Case Circuit Breaker
    FDC3100L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    FD2100L - Eaton - Molded Case Circuit Breaker
    FD2100L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $180 CAD
    EHD3100L - Eaton - Molded Case Circuit Breaker
    EHD3100L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    EHD2100L - Eaton - Molded Case Circuit Breaker
    EHD2100L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 2 Pole - 480 Volt
    Eaton Cutler-Hammer
    QGA32100 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 3 Pole - 240 Volt
    Schneider Electric
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