Molded Case Circuit Breakers

3195 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    3195 products
    Sale
    QH320 - Square D 20 Amp 3 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    QH320 - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $249.51
    A1B315 - Square D - 15 Amp Molded Case Circuit Breaker
    Schneider Electric
    Limited availability
    QOB3151021 - Square D 15 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QOB3151021 - Square D - 15 Amp Molded Case Circuit Breaker
    Schneider Electric
    WMZS3D15 - Eaton - 15 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    WMZS3C20 - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $255.51
    Limited availability
    WMZS3C15 - Eaton - 15 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $262.51
    Sale
    GC3030 - Eaton - 30 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $89.23
    EB3030 - Eaton - 30 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Limited availability
    GHC3020 - Eaton - Molded Case Circuit Breaker
    GHC3020 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $72
    Sale
    FA32030 - Square D - 30 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $265.41
    Sale
    FA32015 - Square D - 15 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $295.41
    Limited availability
    8536SCO3V02H20S - Square D 27 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    8536SCO3V02H20S - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Q1L330 - Square D - 30 Amp Molded Case Circuit Breaker
    Schneider Electric
    Sale
    GHC3070 - Eaton - Molded Case Circuit Breaker
    GHC3070 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $272
    8536SBG2V02H30S - Square D 18 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    8536SBG2V02H30S - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Sale
    QHB325 - Square D 25 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QHB325 - Square D - 25 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $205.01
    FAL34000M - Square D - 100 Amp Molded Case Circuit Breaker
    Schneider Electric
    LEN00C003120B - Siemens 30 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LEN00C003120B - Siemens - 30 Amp Molded Case Circuit Breaker
    Siemens/ITE
    E43B090 - Siemens - 90 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Q2L3100 - Square D - 100 Amp Molded Case Circuit Breaker
    Schneider Electric
    Sale
    HGG3B090L - Siemens - 90 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Save $1,730.01
    Sale
    HGG3B080L - Siemens - 80 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Save $1,730.01
    B380HH00S01 - Siemens - 80 Amp Molded Case Circuit Breaker
    Siemens/ITE
    8536SCG3V02H30S - Square D 27 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    8536SCG3V02H30S - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Sale
    EGB3040FFB - Eaton - Molded Case Circuit Breaker
    EGB3040FFB - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $127
    HED43B040L - Siemens 40 Amp 3 Pole 480 Volt Feed Thru Molded Case Circuit Breaker
    HED43B040L - Siemens - 40 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Sale
    EGE3045FFG - Eaton - Molded Case Circuit Breaker
    EGE3045FFG - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $106
    Sale
    BDA34040Y - Square D 40 Amp 3 Pole 480 Volt Plug-In Molded Case Circuit Breaker
    BDA34040Y - Square D - 40 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $252.01
    Limited availability
    HED43B045L - Siemens 45 Amp 3 Pole 480 Volt Feed Thru Molded Case Circuit Breaker
    HED43B045L - Siemens - 45 Amp Molded Case Circuit Breaker
    Siemens/ITE
    HED43B035L - Siemens 35 Amp 3 Pole 480 Volt Feed Thru Molded Case Circuit Breaker
    HED43B035L - Siemens - 35 Amp Molded Case Circuit Breaker
    Siemens/ITE
    V7B3212R - Siemens - 60 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Sale
    V7E3203 - Siemens 100 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    V7E3203 - Siemens - 100 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Save $1,143.51
    Sale
    BAB3070HT - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $261
    Sale
    H363N - Square D 100 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    H363N - Square D - 100 Amp Disconnect and Safety Switch
    Schneider Electric
    Save $374.01
    Sale
    GDB3015D - Eaton - Molded Case Circuit Breaker
    GDB3015D - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $104.50
    Sale
    HDP36060U31X - Square D - 60 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $712.51
    QO325VH - Square D 25 Amp 3 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    QO325VH - Square D - 25 Amp Molded Case Circuit Breaker
    Schneider Electric
    Sale
    FB31550MRL - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $121
    Limited availability
    QO320PL - Square D 20 Amp 3 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    QO320PL - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $154.51
    Sale
    FA3050 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $20
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