Molded Case Circuit Breakers

8450 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    8450 products
    A220NI - Wadsworth 20 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    A220NI - Wadsworth 20 Amp Molded Case Circuit Breaker
    Wadsworth
    Limited availability
    UBIA2100NI - Connecticut Electric 100 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    UBIA2100NI - Connecticut Electric 100 Amp Molded Case Circuit Breaker
    Connecticut Electric
    Sale
    KRP-C-1200SP - Cooper Bussmann 1200 Amp 600 Volt Molded Case Circuit Breaker
    KRP-C-1200SP - Cooper Bussmann 1200 Amp Molded Case Circuit Breaker
    Bussmann
    Save $705.85
    Sale
    MG24452 - Square D 20 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    MG24452 - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $179.01
    QOB120AS - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    QO120VHPCAFI - Square D 20 Amp 1 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    QO120VHPCAFI - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    QOB2301021 - Square D 30 Amp 2 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    QOB2301021 - Square D - 30 Amp Molded Case Circuit Breaker
    Schneider Electric
    QO2125SL - Square D 125 Amp Molded Case Circuit Breaker
    QO2125SL - Square D - 125 Amp Molded Case Circuit Breaker
    Schneider Electric
    QO1151021 - Square D 15 Amp 1 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    QO1151021 - Square D - 15 Amp Molded Case Circuit Breaker
    Schneider Electric
    Sale
    QBL22090 - Square D 90 Amp 2 Pole 240 Volt Feed Thru Molded Case Circuit Breaker
    QBL22090 - Square D - 90 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $75.01
    FH16040C - Square D - 40 Amp Molded Case Circuit Breaker
    Schneider Electric
    Sale
    QO2151021 - Square D 15 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    QO2151021 - Square D - 15 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $44.01
    QO320SWN - Square D 20 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    QO320SWN - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    QBA221502 - Square D 150 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    QBA221502 - Square D - 150 Amp Molded Case Circuit Breaker
    Schneider Electric
    Sale
    QBA221251 - Square D 125 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    QBA221251 - Square D - 125 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $250.01
    Sale
    FAL32025 - Square D 25 Amp 3 Pole 240 Volt Feed Thru Molded Case Circuit Breaker
    FAL32025 - Square D - 25 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $683.01
    Sale
    QOB3201021 - Square D 20 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QOB3201021 - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $277.01
    Sale
    QBP22200TM - Square D 200 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QBP22200TM - Square D - 200 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $226.01
    Sale
    WMZS3D20 - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $274.01
    Sale
    GHC2050 - Eaton Cutler-Hammer 50 Amp 2 Pole 480 Volt Feed-Thru Molded Case Circuit Breaker
    GHC2050 - Eaton - 50 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $378.51
    Sale
    QBHW1020S - Eaton Cutler-Hammer 20 Amp 1 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QBHW1020S - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $312.01
    Sale
    CHF250ST - Eaton Cutler-Hammer 50 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    CHF250ST - Eaton - 50 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $437.42
    Sale
    BRH360 - Eaton Cutler-Hammer 60 Amp 3 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    BRH360 - Eaton - 60 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $703.01
    Sale
    CHFEP130 - Eaton Cutler-Hammer 30 Amp 1 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    CHFEP130 - Eaton - 30 Amp GFEP Circuit Breaker
    Eaton Cutler-Hammer
    Save $528.81
    BAB3025HS - Eaton - 25 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Limited availability
    EGE2015FFG - Eaton - Molded Case Circuit Breaker
    EGE2015FFG - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $69
    Limited availability
    GHC1090 - Eaton - Molded Case Circuit Breaker
    GHC1090 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $66.50
    Sale
    QOB3901021 - Square D 90 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QOB3901021 - Square D - 90 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $357.01
    Limited availability
    GHQRSP2030 - Eaton - Molded Case
    GHQRSP2020 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $188.50
    Limited availability
    EDS2200 - Eaton Cutler-Hammer 200 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    EDS2200 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $64
    Sale
    A2X5PK - Eaton - Circuit Breaker Parts & Accessories
    A2X5PK - Eaton - Auxiliary Switch
    Eaton Cutler-Hammer
    Save $87
    Sale
    XTCE115G00A - Eaton - Molded Case Circuit Breaker
    XTCE115G00A - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $74
    LEN00C003120B - Siemens 30 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LEN00C003120B - Siemens - 30 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Sale
    HGL36035 - Square D 35 Amp 3 Pole 600 Volt Feed Thru Molded Case Circuit Breaker
    HGL36035 - Square D - 35 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $993.01
    Sale
    EHC3100 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $16
    Sale
    UVH3LP11K - Eaton - Molded Case Circuit Breaker
    UVH3LP11K - Eaton - Under Voltage Release
    Eaton Cutler-Hammer
    Save $79
    Q2L3175 - Square D - 175 Amp Molded Case Circuit Breaker
    Schneider Electric
    Sale
    BDA34050Y - Square D - 50 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $434.01
    Sale
    QDP22125TM - Square D 125 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QDP22125TM - Square D - 125 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $692.01
    Limited availability
    BGA260301 - Square D 30 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BGA260301 - Square D - 30 Amp Molded Case Circuit Breaker
    Schneider Electric
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