Molded Case Breakers

6400 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    6400 products
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    EGB36040 - Square D 40 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36040 - Square D 40 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36040 - Square D - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $510 CAD
    Sale
    BDA36050 - Square D 50 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA36050 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $360 CAD
    Sale
    BDA36030 - Square D 30 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA36030 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $360 CAD
    Sale
    EGB34020 - Square D 20 Amp 3 Pole 480 Volt Bolt-On Circuit Molded Case Breaker
    EGB34020 - Square D 20 Amp 3 Pole 480 Volt Bolt-On Circuit Molded Case Breaker
    EGB34020 - Square D - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $162 CAD
    ED63B050 - Siemens - Molded Case Circuit Breaker
    ED63B050 - Siemens - Molded Case Circuit Breaker
    Bolt On - 50 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    CED63B040 - Siemens 40 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    CED63B040 - Siemens - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CED63B015 - Siemens 15 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    CED63B015 - Siemens - Molded Case Circuit Breaker
    Bolt On - 15 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Sale
    EJB34060 - Square D 60 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EJB34060 - Square D 60 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EJB34060 - Square D - Molded Case Circuit Breaker
    Bolt-On - 60 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $210 CAD
    CQD360 - Siemens - Molded Case Circuit Breaker
    CQD360 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 60 Amp - 3 Pole - 480 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
    JD63T400 - Siemens 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Trip Unit
    JD63T400 - Siemens - Trip Unit
    Feed Thru - 400 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Sale
    FXD63B225 - Siemens - Molded Case Circuit Breaker
    FXD63B225 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 225 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $340 CAD
    Sale
    FXD63A250 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 250 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $500 CAD
    ED63B100L - Siemens - Molded Case Circuit Breaker
    ED63B100L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 100 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED63B060L - Siemens - Molded Case Circuit Breaker
    ED63B060L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 60 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED63B015L - Siemens - Molded Case Circuit Breaker
    ED63B015L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 15 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    THQC2120WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 2 Pole - 240 Volt
    GE
    TED136070WL - GE 70 Amp 3 Pole 600 Volt Molded Case Thermal Magnetic Circuit Breaker
    TED136070WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 70 Amp - 3 Pole - 600 Volt
    GE
    TED136020WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 600 Volt
    GE
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    SFLA36AI0250 - GE - Molded Case Circuit Breaker
    Bolt-On - 250 Amp - 3 Pole - 600 Volt
    GE
    Save $300 CAD
    HMCPS015E0C - Eaton - Molded Case Circuit Breaker
    HMCPS015E0C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 15 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    HMCP003A0C - Eaton - Molded Case Circuit Breaker
    HMCP003A0C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 3 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    HFD3225L - Eaton - Molded Case Circuit Breaker
    HFD3225L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 225 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $500 CAD
    Sale
    HFD3070L - Eaton - Molded Case Circuit Breaker
    HFD3070L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 70 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,480.19 CAD
    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
    DK3400 - Eaton - Molded Case Circuit Breaker
    DK3400 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    QBL32200 - Square D 200 Amp 3 Pole 240 Volt Thermal Magnetic Molded Case Circuit Breaker
    QBL32200 - Square D - Molded Case Circuit Breaker
    Feed_thru - 200 Amp - 3 Pole - 240 Volt
    Schneider Electric
    QBL32150 - Square D 150 Amp 3 Pole 240 Volt Thermal Magnetic Molded Case Circuit Breaker
    QBL32150 - Square D - Molded Case Circuit Breaker
    Feed_thru - 150 Amp - 3 Pole - 240 Volt
    Schneider Electric
    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
    FAL34020 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 480 Volt
    Schneider Electric
    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
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