Circuit Breakers

1181 products

    Shop our wide selection of Siemens, GE, Eaton Cutler-Hammer, Square D circuit breakers and more.
    1181 products
    MP345 - Siemens 45 Amp 3 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    MP345 - Siemens - 45 Amp Molded Case Circuit Breaker
    Siemens/ITE
    MP280 - Siemens 80 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    MP280 - Siemens - 80 Amp Molded Case Circuit Breaker
    Siemens/ITE
    THQL21WY15 - GE 15 Amp Molded Case Circuit Breaker
    GE
    Sale
    QG215 - Siemens 15 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    QG215 - Siemens - 15 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Save $197.01
    Sale
    MP260KH - Siemens 60 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    MP260KH - Siemens - 60 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Save $247.01
    Sale
    THQC1115GFT - GE 15 Amp 1 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    THQC1115GFT - GE 15 Amp Molded Case Circuit Breaker
    GE
    Save $168.01
    Limited availability
    THQL2120ST1 - GE - Circuit Breaker with Shunt Trip
    GE
    Save $120.01
    Sale
    TMQL21100 - GE 100 Amp Molded Case Circuit Breaker
    GE
    Save $128.01
    Sale
    THHQL32100 - GE 100 Amp 3 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    THHQL32100 - GE 100 Amp Molded Case Circuit Breaker
    GE
    Save $227.01
    Sale
    Q31500S01 - Siemens 15 Amp 3 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    Q31500S01 - Siemens - 15 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Save $833.01
    Q2100HH - Siemens 100 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    Q2100HH - Siemens - 100 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Limited availability
    MPD2150R - Siemens 150 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    MPD2150R - Siemens - 150 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Sale
    CLCAF120 - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    CLCAF120 - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $342.67
    Sale
    BRHH280 - Eaton Cutler-Hammer 80 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    BRHH280 - Eaton - 80 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $661.01
    UBIA15NI - Connecticut Electric 15 Amp 1 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    UBIA15NI - Connecticut Electric 15 Amp Molded Case Circuit Breaker
    Connecticut Electric
    UBIZ0260 - Connecticut Electric 60 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    UBIZ0260 - Connecticut Electric 60 Amp Molded Case Circuit Breaker
    Connecticut Electric
    UBIP220 - Connecticut Electric 20 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    UBIP220 - Connecticut Electric 20 Amp Molded Case Circuit Breaker
    Connecticut Electric
    Limited availability
    UBIA220NI - Connecticut Electric 20 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    UBIA220NI - Connecticut Electric 20 Amp Molded Case Circuit Breaker
    Connecticut Electric
    UBIZ270 - Zinsco 70 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    UBIZ270 - Zinsco 70 Amp Molded Case Circuit Breaker
    Zinsco
    Limited availability
    UBIA230NI - Connecticut Electric 30 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    UBIA230NI - Connecticut Electric 30 Amp Molded Case Circuit Breaker
    Connecticut Electric
    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
    Limited availability
    QO240H - Square D 40 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    QO240H - Square D - 40 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
    Limited availability
    FA14050B - Square D 50 Amp 1 Pole 277 Volt Plug-In Molded Case Circuit Breaker
    FA14050B - Square D - 50 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $266.41
    Sale
    FA14100B - Square D - 100 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $272.41
    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
    FH16040C - Square D - 40 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
    BR340ST - Eaton Cutler-Hammer 40 Amp 3 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    BR340ST - Eaton - 40 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    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
    BR370ST - Eaton Cutler-Hammer 70 Amp 3 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    BR370ST - Eaton - 70 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $699.01
    Sale
    QPHW3030H - Eaton - Molded Case Circuit Breaker
    QPHW3030H - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $228
    Limited availability
    BRH3100 - Eaton Cutler-Hammer 100 Amp 3 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    BRH3100 - Eaton - 100 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    BDA34050Y - Square D - 50 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $434.01
    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
    Sale
    HJA260254 - Square D 25 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HJA260254 - Square D - 25 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $1,180.01
    BGA261252 - Square D 125 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    BGA261252 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Sale
    PGA36120 - Square D 1200 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    PGA36120 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $13,703.01
    Limited availability
    QGA221004 - Square D 100 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    QGA221004 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $960.01
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