Molded Case Breakers

206 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    206 products
    Sale
    EDB36050 - Square D 50 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EDB36050 - Square D - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $230 CAD
    Sale
    EDB34050 - Square D 50 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB34050 - Square D - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $333.01 CAD
    HMCP050K2C - Eaton - Molded Case Circuit Breaker
    HMCP050K2C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sold Out
    THQC2150WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 2 Pole - 240 Volt
    GE
    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
    ED63B050 - Siemens - Molded Case Circuit Breaker
    ED63B050 - Siemens - Molded Case Circuit Breaker
    Bolt On - 50 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    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
    FD3050 - Eaton - Molded Case Circuit Breaker
    FD3050 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    HJL36050M72 - Square D - Molded Case Circuit Breaker
    HJL36050M72 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    TED136050WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    GE
    Sale
    FAL36050 - Square D 50 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FAL36050 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $126 CAD
    Sale
    HFD3050 - Eaton - Moded Case Circuit Breaker
    HFD3050 - Eaton - Moded Case Circuit Breaker
    Feed Thru - 50 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,580.19 CAD
    Sale
    EJB36050 - Square D 50 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EJB36050 - Square D 50 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EJB36050 - Square D - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $750 CAD
    HED43B050 - Siemens 50 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    HED43B050 - Siemens - Molded Case Circuit Breaker
    Bolt On - 50 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    CED63B050 - Siemens 50 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    CED63B050 - Siemens - Molded Case Circuit Breaker
    Bolt On - 50 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    NGG3B050L - Siemens - Molded Case Circuit Breaker
    NGG3B050L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    ED63B050L - Siemens - Molded Case Circuit Breaker
    ED63B050L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 50 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    HMCPE050K2C - Eaton - Molded Case Circuit Breaker
    HMCPE050K2C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    Sale
    HFD3050L - Eaton - Molded Case Circuit Breaker
    HFD3050L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 50 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,580.19 CAD
    FDC3050L - Eaton - MoldedCase Circuit Breakers
    FDC3050L - Eaton - MoldedCase Circuit Breakers
    Feed Thru - 50 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    HLA36050 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $910 CAD
    FAL34050 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Sale
    FA36050 - Square D 50 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36050 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $455 CAD
    EDB24050 - Square D 50 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB24050 - Square D - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 2 Pole - 480 Volt
    Schneider Electric
    FDC3050 - Eaton - MoldedCase Circuit Breakers
    FDC3050 - Eaton - MoldedCase Circuit Breakers
    Bolt-On - 50 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FDB3050 - Eaton - Molded Case Circuit Breaker
    FDB3050 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    EHD3050 - Eaton - Molded Case Circuit Breaker
    EHD3050 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    THED136050 - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    GE
    ED43B050 - Siemens - Molded Case Circuit Breaker
    ED43B050 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    HGA260502 - Square D 50 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    HGA260502 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 2 Pole - 600 Volt
    Schneider Electric
    EGB34050 - Square D 50 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EGB34050 - Square D 50 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EGB34050 - Square D - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Sale
    BGA36050 - Square D 50 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    BGA36050 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $250 CAD
    Sale
    HGL26050 - Square D - Molded Case Circuit Breaker
    Feed Thru - 50 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Save $100 CAD
    FBV36TE050RV - GE 50 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    FBV36TE050RV - GE - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 600 Volt
    GE
    HDA260502 - Square D 50 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA260502 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 2 Pole - 600 Volt
    Schneider Electric
    CQD350 - Siemens - Molded Case Circuit Breaker
    CQD350 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 50 Amp - 3 Pole - 480 Volt
    Siemens / ITE
    CQD150 - Siemens - Molded Case Circuit Breaker
    CQD150 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 50 Amp - 1 Pole - 277 Volt
    Siemens / ITE
    HEB3B050B - Siemens - Molded Case Circuit Breaker
    HEB3B050B - Siemens - Molded Case Circuit Breaker
    Bolt-on - 50 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    THQC32050WL - GE - Molded Case Circuit Breaker
    THQC32050WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 240 Volt
    GE
    TEY250 - GE - Molded Case Circuit Breaker
    TEY250 - GE - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 2 Pole - 480 Volt
    GE
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