Molded Case Breakers

3019 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    3019 products
    Sale
    HFD3020L - Eaton - Molded Case Circuit Breaker
    HFD3020L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 20 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,580.19 CAD
    FDC3200L - Eaton - Molded Case Circuit Breaker
    FDC3200L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FDC3060L - Eaton - MoldedCase Circuit Breakers
    FDC3060L - Eaton - MoldedCase Circuit Breakers
    Feed Thru - 60 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FDB3150L - Eaton - Molded Case Circuit Breaker
    FDB3150L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FDB3030L - Eaton - Molded Case Circuit Breaker
    FDB3030L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FDB3015L - Eaton - Molded Case Circuit Breaker
    FDB3015L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 15 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FD3030L - Eaton - Molded Case Circuit Breaker
    FD3030L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    HLL36080 - Square D - Molded Case Circuit Breaker
    HLL36080 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 80 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,030 CAD
    Sale
    FAL36015 - Square D 15 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FAL36015 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 15 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $336 CAD
    Sale
    FA36030 - Square D 30 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36030 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $170 CAD
    Sold Out
    EDB36035 - Square D 35 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EDB36035 - Square D - Molded Case Circuit Breaker
    Bolt-On - 35 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $234 CAD
    Sale
    HJA36125 - Square D 125 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJA36125 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 125 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $350 CAD
    Sale
    HJA36050 - Square D 50 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJA36050 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $240 CAD
    Sale
    HGL36060 - Square D 60 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGL36060 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $360 CAD
    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
    Sale
    HDA36150 - Square D 150 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36150 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 150 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $522 CAD
    Sale
    HDA36090 - Square D 90 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36090 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $420 CAD
    Sale
    HDA36040 - Square D 40 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36040 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $460 CAD
    FDB3150 - Eaton - Molded Case Circuit Breaker
    FDB3150 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 150 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    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
    FD3050 - Eaton - Molded Case Circuit Breaker
    FD3050 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FD3040 - Eaton - Molded Case Circuit Breaker
    FD3040 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    NGC308032E - Eaton - Molded Case Circuit Breaker
    NGC308032E - Eaton - Molded Case Circuit Breaker
    Bolt-On - 800 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    BJA36040 - Square D 40 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    BJA36040 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $310 CAD
    ED63B035 - Siemens - Molded Case Circuit Breaker
    ED63B035 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 35 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    HJL36050M72 - Square D - Molded Case Circuit Breaker
    HJL36050M72 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    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
    Sale
    BDA36080 - Square D 80 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA36080 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 80 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $290 CAD
    Sale
    BDA36020 - Square D 20 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA36020 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 20 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $360 CAD
    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
    HHED63B040 - Siemens - Molded Case Circuit Breaker
    HHED63B040 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    CED63B125 - Siemens - Molded Case Circuit Breaker
    Bolt On - 125 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CED63B060 - Siemens - Molded Case Circuit Breaker
    Bolt On - 60 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CED63B030 - Siemens - Molded Case Circuit Breaker
    Bolt On - 30 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    PXD63B160 - Siemens - Molded Case Circuit Breaker
    Bolt On - 1600 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    NGB3B090B - Siemens - Molded Case Circuit Breaker
    NGB3B090B - Siemens - Molded Case Circuit Breaker
    Bolt On - 90 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    NGB3B015B - Siemens - Molded Case Circuit Breaker
    NGB3B015B - Siemens - Molded Case Circuit Breaker
    Bolt On - 15 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    MB9301 - Siemens - Molded Case Circuit Breaker
    MB9301 - Siemens - Molded Case Circuit Breaker
    Bolt On - 1600 Amp - 600 Volt
    Siemens / ITE
    JD63T300 - Siemens 300 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Trip Unit
    JD63T300 - Siemens - Trip Unit
    Feed Thru - 300 Amp - 3 Pole - 600 Volt
    Siemens / ITE
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