Molded Case Breakers

6396 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    6396 products
    QDA32200 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 200 Amp - 3 Pole - 240 Volt
    Schneider Electric
    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
    Sale
    FA36060 - Square D 60 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36060 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 60 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $234 CAD
    Sale
    EDB34020 - Square D - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $419.01 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
    HJA36060 - Square D 60 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJA36060 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 60 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $240 CAD
    Sale
    HDL36125 - Square D 125 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HDL36125 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 125 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $570 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
    Sale
    HDA36060 - Square D 60 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36060 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 60 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $350 CAD
    Sale
    HDA36030 - Square D 30 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36030 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $460 CAD
    Sale
    JJA36200 - Square D - Molded Case Circuit Breaker
    JJA36200 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 200 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $520 CAD
    ED63B060 - Siemens - Molded Case Circuit Breaker
    ED63B060 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 60 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Sale
    HFD3150 - Eaton - Molded Case Circuit Breaker
    HFD3150 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 150 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $500 CAD
    ED63B030L - Siemens - Molded Case Circuit Breaker
    ED63B030L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 30 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED63B020L - Siemens - Molded Case Circuit Breaker
    ED63B020L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 20 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    FD3100L - Eaton - Molded Case Circuit Breaker
    FD3100L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    FAL36040 - Square D 40 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FAL36040 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $405 CAD
    EDB14015 - Square D 15 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    EDB14015 - Square D - Molded Case Circuit Breaker
    Bolt-On - 15 Amp - 1 Pole - 277 Volt
    Schneider Electric
    Sale
    HDL36040 - Square D 40 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HDL36040 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $300 CAD
    Sale
    JJL36200 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $500 CAD
    BRN120EP - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    BRN120EP - Eaton - 30mA GFEP Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Sale
    HFD3200 - Eaton - Molded Case Circuit Breaker
    HFD3200 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $500 CAD
    Sale
    FXD63B150 - Siemens - Molded Case Circuit Breaker
    FXD63B150 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 150 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $340 CAD
    THQC21100WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 2 Pole - 240 Volt
    GE
    Sale
    SELA36AT0100 - GE - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    GE
    Save $179 CAD
    HMCP150T4C - Eaton - Molded Case Circuit Breaker
    HMCP150T4C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    HMCP070M2C - Eaton - Molded Case Circuit Breaker
    HMCP070M2C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 70 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    HFD3030L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 30 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,580.19 CAD
    Sale
    HLA36090 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $600 CAD
    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
    Sale
    HDL36060 - Square D 60 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HDL36060 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $300 CAD
    Sale
    JDL36150 - Square D - Molded Case Circuit Breaker
    JDL36150 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $540 CAD
    FD3225 - Eaton - Molded Case Circuit Breaker
    FD3225 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 225 Amp - 3 Pole - 3 Volt
    Eaton Cutler-Hammer
    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
    Sale
    EJB36030 - Square D 30 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EJB36030 - Square D 30 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EJB36030 - Square D - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $750 CAD
    CED63B100 - Siemens - Molded Case Circuit Breaker
    CED63B100 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    FDB3125 - Eaton - Molded Case Circuit Breaker
    FDB3125 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 125 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    EDB14020 - Square D 20 Amp 1 Pole 277 Volt Bolt-On Circuit Molded Case Breaker
    EDB14020 - Square D - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 277 Volt
    Schneider Electric
    TED136060WL - GE 60 Amp 3 Pole 600 Volt Molded Case Thermal Magnetic Circuit Breaker
    TED136060WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 600 Volt
    GE
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