Molded Case Breakers

6934 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    6934 products
    Sale
    SELA36AT0100 - GE - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    GE
    Save $179 CAD
    Sale
    HMCP150U4C - Eaton - Molded Case Circuit Breaker
    HMCP150U4C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $314 CAD
    Sale
    HMCP150T4C - Eaton - Molded Case Circuit Breaker
    HMCP150T4C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $357 CAD
    Sale
    HFD3030L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 30 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,580.19 CAD
    FD3100L - Eaton - Molded Case Circuit Breaker
    FD3100L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    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
    HLA36030 - Square D - Molded Case Circuit Breaker
    HLA36030 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $910 CAD
    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
    Sale
    FA36040 - Square D 40 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36040 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $231 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
    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
    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
    Sale
    FDB3100 - Eaton - Molded Case Circuit Breaker
    FDB3100 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $302 CAD
    FD3070 - Eaton - Molded Case Circuit Breaker
    FD3070 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 70 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    HFD3060L - Eaton Cutler-Hammer 60 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HFD3060 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 60 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,554.23 CAD
    FD3225 - Eaton - Molded Case Circuit Breaker
    FD3225 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 225 Amp - 3 Pole - 3 Volt
    Eaton Cutler-Hammer
    Sale
    BDA36015 - Square D 15 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA36015 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 15 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $360 CAD
    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
    ED63B050 - Siemens - Molded Case Circuit Breaker
    ED63B050 - Siemens - Molded Case Circuit Breaker
    Bolt On - 50 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    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
    Limited availability
    THQC21100WL - GE - Molded Case Circuit Breaker
    THQC21100WL - GE - Molded Case Circuit Breaker
    THQC21100WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 2 Pole - 240 Volt
    GE
    Sale
    HMCPS015E0C - Eaton - Molded Case Circuit Breaker
    HMCPS015E0C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 15 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $497 CAD
    Sale
    FDC3015L - Eaton - MoldedCase Circuit Breakers
    FDC3015L - Eaton - MoldedCase Circuit Breakers
    Feed Thru - 15 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $576 CAD
    Limited availability
    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
    FAL36060 - Square D 60 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FAL36060 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $9 CAD
    Sale
    EDB34080 - Square D 80 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB34080 - Square D - Molded Case Circuit Breaker
    Bolt-On - 80 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $215.01 CAD
    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
    JLA36200 - Square D - Molded Case Circuit Breaker
    JLA36200 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 200 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $340 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
    Sale
    FDB3090 - Eaton - Molded Case Circuit Breaker
    FDB3090 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $160 CAD
    Sale
    FDB3030 - Eaton - Molded Case Circuit Breaker
    FDB3030 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $140 CAD
    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
    EGB36060 - Square D 60 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36060 - Square D 60 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36060 - Square D - Molded Case Circuit Breaker
    Bolt-On - 60 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $510 CAD
    Sale
    EJB36015 - Square D 15 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EJB36015 - Square D 15 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EJB36015 - Square D - 15 Amp Circuit Breaker
    Bolt-On - 15 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $750 CAD
    Sale
    SELA36AT0060 - GE - Molded Case Circuit Breaker
    Bolt-On - 60 Amp - 3 Pole - 600 Volt
    GE
    Save $160 CAD
    Sale
    HFD3060L - Eaton - Molded Case Circuit Breaker
    HFD3060L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 60 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,580.19 CAD
    Sale
    FDB3060L - Eaton - Molded Case Circuit Breaker
    FDB3060L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $140 CAD
    FD3060L - Eaton - Molded Case Circuit Breaker
    FD3060L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
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