Molded Case Breakers

1097 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    1097 products
    QN2150R - Siemens - Molded Case Circuit Breaker
    QN2150R - Siemens - Circuit Breaker
    Plug in - 150 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    QN2200R - Siemens - Molded Case Circuit Breaker
    QN2200R - Siemens - Circuit Breaker
    Plug in - 200 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    QBL22200 - Square D 200 Amp 2 Pole 240 Volt Thermal Magnetic Molded Case Circuit Breaker
    QBL22200 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 2 Pole - 240 Volt
    Schneider Electric
    THQC2160WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 2 Pole - 240 Volt
    GE
    ED2150L - Eaton - Molded Case Circuit Breaker
    ED2150L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    THQC2130WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 2 Pole - 240 Volt
    GE
    TQD22200WL - GE - Molded Case Circuit Breaker
    TQD22200WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 2 Pole - 240 Volt
    GE
    QBL22150 - Square D 150 Amp 2 Pole 240 Volt Thermal Magnetic Molded Case Circuit Breaker
    QBL22150 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 2 Pole - 240 Volt
    Schneider Electric
    THQC21100WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 2 Pole - 240 Volt
    GE
    EHD2030L - Eaton - Molded Case Circuit Breaker
    EHD2030L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 2 Pole - 480 Volt
    Eaton Cutler-Hammer
    QBL22225 - Square D 225 Amp 2 Pole 240 Volt Thermal Magnetic Molded Case Circuit Breaker
    QBL22225 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 225 Amp - 2 Pole - 240 Volt
    Schneider Electric
    QN2200RH - Siemens - Molded Case Circuit Breaker
    QN2200RH - Siemens - Molded Case Circuit Breaker
    Plug In - 200 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    QN2150 - Siemens - Molded Case Circuit Breaker
    QN2150 - Siemens - Molded Case Circuit Breaker
    Plug In - 150 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    EDB24030 - Square D 30 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB24030 - Square D - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 2 Pole - 480 Volt
    Schneider Electric
    Sale
    FD2150 - Eaton - Molded Case Circuit Breaker
    FD2150 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 150 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $400 CAD
    QO3015 - Square D 15 Amp 2 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    QO3015 - Square D - Molded Case Circuit Breaker
    Plug-In - 30/15 Amp - 1 Pole - 120 Volt
    Schneider Electric
    QJ22B100H - Siemens - Molded Case Circuit Breaker
    QJ22B100H - Siemens - Molded Case Circuit Breaker
    Bolt On - 100 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    Sold Out
    THQC2150WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 2 Pole - 240 Volt
    GE
    ED2125L - Eaton - Molded Case Circuit Breaker
    ED2125L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 125 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Sold Out
    B2110 - Siemens - Molded Case Circuit Breaker
    B2110 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 110 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    QN2200 - Siemens - Molded Case Circuit Breaker
    QN2200 - Siemens - Molded Case Circuit Breaker
    Plug In - 200 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    QJ22B200 - Siemens - Molded Case Circuit Breaker
    QJ22B200 - Siemens - Molded Case Circuit Breaker
    Bolt On - 200 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    THQC2120WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 2 Pole - 240 Volt
    GE
    ED2200L - Eaton - Molded Case Circuit Breaker
    ED2200L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    EDB24040 - Square D 40 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB24040 - Square D - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 480 Volt
    Schneider Electric
    EDB24015 - Square D 15 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB24015 - Square D - Molded Case Circuit Breaker
    Bolt-On - 15 Amp - 2 Pole - 480 Volt
    Schneider Electric
    Sold Out
    FDB2040 - Eaton - Molded Case Circuit Breaker
    FDB2040 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    QO220VH - Square D 20 Amp 2 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    QO220VH - Square D - Molded Case Circuit Breaker
    Plug-In - 20 Amp - 2 Pole - 120 Volt
    Schneider Electric
    HDA260302 - Square D 30 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA260302 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 30 Amp - 2 Pole - 600 Volt
    Schneider Electric
    ED42B040 - Siemens - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED22B015 - Siemens - Molded Case Circuit Breaker
    ED22B015 - Siemens - Molded Case Circuit Breaker
    Bolt On - 15 Amp - 2 Pole - 240 Volt
    Siemens/ITE
    QR22B150 - Siemens - Molded Case Circuit Breaker
    QR22B150 - Siemens - Molded Case Circuit Breaker
    Bolt On - 150 Amp - 2 Pole - 240 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
    Sold Out
    TQD22150WL - GE - Molded Case Circuit Breaker
    TQD22150WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 2 Pole - 240 Volt
    GE
    THQC2135WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 35 Amp - 2 Pole - 240 Volt
    GE
    TEB122040WL - GE 40 Amp 2 Pole 240 Volt Molded Case Circuit Breaker General Electric Lug
    TEB122040WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 240 Volt
    GE
    FDC2030L - Eaton - Molded Case Circuit Breaker
    FDC2030L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    FDB2030L - Eaton - Molded Case Circuit Breaker
    FDB2030L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    FDB2015L - Eaton - Molded Case Circuit Breaker
    FDB2015L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 15 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    QDL22200 - Square D 200 Amp Double Pole 240 Volt PowerPact Q Molded Case Circuit Breaker
    QDL22200 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 2 Pole - 240 Volt
    Schneider Electric
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