Molded Case Breakers

173 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    173 products
    KAL36090 - Square D - Molded Case Circuit Breaker
    KAL36090 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    EDB34090SA - Square D 90 Amp 3 Pole 480 Volt Molded Case Circuit Breaker
    EDB34090SA - Square D - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 3 Pole - 480 Volt
    Schneider Electric
    FDC2090 - Eaton - Molded Case Circuit Breaker
    FDC2090 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    FA340901037 - Square D 90 Amp 3 Pole 480 Volt Molded Case Circuit Breaker
    FA340901037 - Square D - Molded Case Circuit Breakers
    I-Line Plug-In - 90 Amp - 3 Pole - 480 Volt
    Schneider Electric
    HFD1090L - Eaton - Molded Case Circuit Breaker
    HFD1090L - Eaton - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Sold Out
    GHC1090 - Eaton - Molded Case Circuit Breaker
    GHC1090 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 90 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    ED43B090 - Siemens - Molded Case Circuit Breaker
    ED43B090 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    TEYL3090B - GE 90 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYL3090B - GE - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 3 Pole - 480 Volt
    GE
    EGB3090FFG - Eaton - Molded Case Circuit Breaker
    EGB3090FFG - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 90 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    JD3090 - Eaton - Molded Case Circuit Breaker
    JD3090 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sold Out
    CH390 - Eaton Cutler-Hammer 90 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    CH390 - Eaton - 90 Amp Molded Case Circuit Breaker
    Plug-In - 90 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    HGA260902 - Square D 90 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    HGA260902 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 90 Amp - 2 Pole - 600 Volt
    Schneider Electric
    HGA260901 - Square D 90 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    HGA260901 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 90 Amp - 2 Pole - 600 Volt
    Schneider Electric
    HDA260904 - Square D 90 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    HDA260904 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 90 Amp - 2 Pole - 600 Volt
    Schneider Electric
    LGG3B090L - Siemens - Molded Case Circuit Breaker
    LGG3B090L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 90 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    LGB3B090B - Siemens - Molded Case Circuit Breaker
    LGB3B090B - Siemens - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Sale
    EJB26090 - Square D 90 Amp 2 Pole 600 Volt Bolt-On Circuit Breaker
    EJB26090 - Square D 90 Amp 2 Pole 600 Volt Bolt-On Circuit Breaker
    EJB26090 - Square D - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Save $600 CAD
    Sale
    EJB24090 - Square D 90 Amp 2 Pole 480 Volt Bolt-On Circuit Breaker
    EJB24090 - Square D 90 Amp 2 Pole 480 Volt Bolt-On Circuit Breaker
    EJB24090 - Square D - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 2 Pole - 480 Volt
    Schneider Electric
    Save $240 CAD
    Sale
    EGB26090 - Square D 90 Amp 2 Pole 600 Volt Bolt-On Circuit Breaker
    EGB26090 - Square D 90 Amp 2 Pole 600 Volt Bolt-On Circuit Breaker
    EGB26090 - Square D - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 2 Pole - 480 Volt
    Schneider Electric
    Save $113 CAD
    ED42B090 - Siemens - Molded Case Circuit Breaker
    ED42B090 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED23B090 - Siemens - Molded Case Circuit Breaker
    ED23B090 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 3 Pole - 240 Volt
    Siemens/ITE
    ED22B090 - Siemens - Molded Case Circuit Breaker
    ED22B090 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 2 Pole - 240 Volt
    Siemens/ITE
    Sold Out
    EGB36090 - Square D 90 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36090 - Square D 90 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36090 - Square D - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $600 CAD
    HED41B090 - Siemens - Molded Case Circuit Breaker
    HED41B090 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 1 Pole - 277 Volt
    Siemens / ITE
    Sold Out
    HDL26090 - Square D 90 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDL26090 - Square D - Molded Case Circuit Breaker
    Feed Thru - 90 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Sale
    BDA36090 - Square D 90 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA36090 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $290 CAD
    THED124090WL - GE 90 Amp 2 Pole 480 Volt Molded Case Circuit Breaker
    THED124090WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 90 Amp - 2 Pole - 480 Volt
    GE
    HGA260904 - Square D 90 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HGA260904 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 90 Amp - 2 Pole - 600 Volt
    Schneider Electric
    HDA260901 - Square D 90 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA260901 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 90 Amp - 2 Pole - 600 Volt
    Schneider Electric
    GD3090 - Eaton - Molded Case Circuit Breaker
    GD3090 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 90 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    FBN26TE090RV - GE 90 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    FBN26TE090RV - GE - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 2 Pole - 600 Volt
    GE
    HGB2B090B - Siemens 90 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    HGB2B090B - Siemens - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    HFD63B090 - Siemens - Molded Case Circuit Breaker
    HFD63B090 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    HED43B090 - Siemens 90 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    HED43B090 - Siemens - Molded Case Circuit Breaker
    Bolt On - 90 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    NGG2B090L - Siemens - Molded Case Circuit Breaker
    NGG2B090L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    LGB2B090B - Siemens 90 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    LGB2B090B - Siemens - Molded Case Circuit Breaker
    Bolt On - 90 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    Sale
    EGB24090 - Square D 90 Amp 2 Pole 480 Volt Bolt-On Circuit Breaker
    EGB24090 - Square D 90 Amp 2 Pole 480 Volt Bolt-On Circuit Breaker
    EGB24090 - Square D - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 2 Pole - 480 Volt
    Schneider Electric
    Save $113 CAD
    NGG3B090L - Siemens - Molded Case Circuit Breaker
    NGG3B090L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 90 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    HED42B090 - Siemens - Molded Case Circuit Breaker
    HED42B090 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    FXD62B090 - Siemens - Molded Case Circuit Breaker
    FXD62B090 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 2 Pole - 600 Volt
    Siemens/ITE
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