Molded Case Breakers

299 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    299 products
    Sale
    EDB36100 - Square D 100 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EDB36100 - Square D - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $360 CAD
    Sale
    EDB34100 - Square D 100 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB34100 - Square D - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $259.01 CAD
    Sale
    HFD3100L - Eaton - Molded Case Circuit Breaker
    HFD3100L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,480.19 CAD
    Sale
    HJA36100 - Square D 100 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJA36100 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $200 CAD
    Sale
    HDL36100 - Square D 100 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HDL36100 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $230 CAD
    FD3100L - Eaton - Molded Case Circuit Breaker
    FD3100L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    THQC21100WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 2 Pole - 240 Volt
    GE
    SELA36AT0100 - GE - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    GE
    Sale
    FAL36100 - Square D 100 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FAL36100 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $310 CAD
    ED63B100 - Siemens - Molded Case Circuit Breaker
    ED63B100 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Sale
    EJB36100 - Square D 100 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EJB36100 - Square D 100 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EJB36100 - Square D - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $900 CAD
    CED63B100 - Siemens - Molded Case Circuit Breaker
    CED63B100 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Sale
    BDA36100 - Square D 100 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA36100 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $290 CAD
    QJ22B100H - Siemens - Molded Case Circuit Breaker
    QJ22B100H - Siemens - Molded Case Circuit Breaker
    Bolt On - 100 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    Sale
    FA36100 - Square D 100 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36100 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $434 CAD
    ED63B100L - Siemens - Molded Case Circuit Breaker
    ED63B100L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 100 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Sale
    HGA36100 - Square D 100 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGA36100 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $373 CAD
    TED136100 - GE 100 Amp 3 Pole 600 Volt Molded Case Thermal Magnetic Circuit Breaker
    TED136100 - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    GE
    HRA36100U31X - Square D - Molded Case Circuit Breaker
    HRA36100U31X - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Sale
    BGA36100 - Square D 100 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    BGA36100 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $27 CAD
    CQD3100 - Siemens - Molded Case Circuit Breaker
    CQD3100 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 100 Amp - 3 Pole - 480 Volt
    Siemens / ITE
    Sold Out
    QJ22B100 - Siemens - Molded Case Circuit Breaker
    QJ22B100 - Siemens - Molded Case Circuit Breaker
    Bolt On - 100 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    HMCP100R3C - Eaton - Molded Case Circuit Breaker
    HMCP100R3C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 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
    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
    HGL36100 - Square D 100 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGL36100 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $210 CAD
    Sale
    ED43B100 - Siemens - Molded Case Circuit Breaker
    ED43B100 - Siemens - Molded Case Circuit Breaker
    Bolt On - 100 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    Save $100 CAD
    ED2100 - Eaton - Molded Case Circuit Breaker
    ED2100 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Sale
    THQC21100 - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 2 Pole - 240 Volt
    GE
    Save $47.01 CAD
    BW2100 - Eaton - Molded Case Circuit Breaker
    BW2100 - Eaton - Main Circuit Breaker
    Bolt-On - 100 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    BDL26100 - Square D 100 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    BDL26100 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Sale
    EJB34100 - Square D 100 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EJB34100 - Square D 100 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EJB34100 - Square D - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $390 CAD
    THQD22100WL - GE 100 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    THQD22100WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 2 Pole - 240 Volt
    GE
    HDA261002 - Square D 100 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA261002 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 2 Pole - 600 Volt
    Schneider Electric
    NGB3B100B - Siemens - Molded Case Circuit Breaker
    NGB3B100B - Siemens - Molded Case Circuit Breaker
    Bolt On - 100 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    ED42B100L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 100 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    TED136100WL - GE 100 Amp 3 Pole 600 Volt Molded Case Thermal Magnetic Circuit Breaker
    TED136100WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    GE
    SEDA36AT0100 - GE - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    GE
    ED2100L - Eaton - Molded Case Circuit Breaker
    ED2100L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 2 Pole - 2 Volt
    Eaton Cutler-Hammer
    QBL22100 - Square D 100 Amp 2 Pole 240 Volt Thermal Magnetic Molded Case Circuit Breaker
    QBL22100 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 2 Pole - 240 Volt
    Schneider Electric
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