Molded Case Circuit Breakers

245 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    245 products
    Sale
    EDB34050 - Square D 50 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB34050 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $448.01
    Sale
    TEY350 - GE 50 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEY350 - GE - Molded Case Circuit Breaker
    GE
    Save $348.01
    Sale
    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
    Schneider Electric
    Save $893.01
    Sale
    EJB34050 - Square D 50 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EJB34050 - Square D 50 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EJB34050 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $1,078.01
    Sale
    HFD3050L - Eaton - Molded Case Circuit Breaker
    HFD3050L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $2,090.19
    Sale
    HMCP050K2C - Eaton - Molded Case Circuit Breaker
    HMCP050K2C - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $1,137.76
    Sale
    TEYL3050B - GE 50 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYL3050B - GE - Molded Case Circuit Breaker
    GE
    Save $894.01
    Sale
    BDA36050 - Square D 50 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA36050 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $512.01
    Sale
    ED43B050 - Siemens - Molded Case Circuit Breaker
    ED43B050 - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    Save $1,232.01
    Sale
    HJA36050 - Square D 50 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJA36050 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $1,238.01
    Sale
    EDB24050 - Square D 50 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB24050 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $367.01
    Sale
    EHD3050L - Eaton - Molded Case Circuit Breaker
    EHD3050L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $646.38
    Sale
    FD3050L - Eaton - Molded Case Circuit Breaker
    FD3050L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $1,637.32
    Sale
    GD3050 - Eaton - Molded Case Circuit Breaker
    GD3050 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $694.85
    Sale
    BGA36050 - Square D 50 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    BGA36050 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $918.01
    UBIZ0250 - Zinsco 50 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    UBIZ0250 - Zinsco 50 Amp Molded Case Circuit Breaker
    Zinsco
    EDB14050 - Square D 50 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    EDB14050 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Sale
    EGB24050 - Square D 50 Amp 2 Pole 480 Volt Bolt-On Circuit Molded Case Breaker
    EGB24050 - Square D 50 Amp 2 Pole 480 Volt Bolt-On Circuit Molded Case Breaker
    EGB24050 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $607.01
    Sale
    HDL36050 - Square D 50 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HDL36050 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $688.01
    Sale
    FA36050 - Square D 50 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36050 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $515.21
    Sale
    NGB3B050B - Siemens - Molded Case Circuit Breaker
    NGB3B050B - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $997.01
    Sale
    BJA36050 - Square D 50 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    BJA36050 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $1,346.01
    Sale
    TEYD3050B - GE 50 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYD3050B - GE - Molded Case Circuit Breaker
    GE
    Save $585.01
    Sale
    ED63B050 - Siemens - Molded Case Circuit Breaker
    ED63B050 - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    Save $1,447.01
    Sale
    LGB3B050B - Siemens 50 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    LGB3B050B - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $1,686.01
    Sale
    FH36050 - Square D 50 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    FH36050 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $935.21
    Sale
    FD3050 - Eaton - Molded Case Circuit Breaker
    FD3050 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $1,637.32
    Sale
    EDB34050SA - Square D 50 Amp 3 Pole 480 Volt Molded Case Circuit Breaker
    EDB34050SA - Square D - Molded Case Circuit Breakers
    Schneider Electric
    Save $499.01
    Sold Out
    CH150 - Eaton Cutler-Hammer 50 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    CH150 - Eaton - 50 Amp Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    FAL36050 - Square D 50 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FAL36050 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $187
    EHD2050L - Eaton - Molded Case Circuit Breaker
    EHD2050L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    EHD3050 - Eaton - Molded Case Circuit Breaker
    EHD3050 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $598.38
    Sale
    HOM250EPD - Square D 50 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    HOM250EPD - Square D - 50 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $365.81
    Sale
    FBN36TE050RV - GE 50 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    FBN36TE050RV - GE - Molded Case Circuit Breaker
    GE
    Save $589.01
    Sale
    EDB36050 - Square D 50 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EDB36050 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $269.01
    Sale
    HFD3050 - Eaton - Moded Case Circuit Breaker
    HFD3050 - Eaton - Moded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $2,080.19
    Sale
    HGA36050 - Square D 50 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGA36050 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $925.01
    Sale
    HMCPE050K2C - Eaton - Molded Case Circuit Breaker
    HMCPE050K2C - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $523.01
    Sale
    NGB2B050B - Siemens - Molded Case Circuit Breaker
    NGB2B050B - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $828.01
    Sale
    THED136050 - GE - Molded Case Circuit Breaker
    GE
    Save $740.01
    Recently viewed