Circuit Breakers

157 products

    Shop our wide selection of Siemens, GE, Eaton Cutler-Hammer, Square D circuit breakers and more.
    157 products
    Sale
    FBV36TE045R2 - GE 45 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    FBV36TE045R2 - GE 45 Amp Molded Case Circuit Breaker
    GE
    Save $605.01
    THQL1145 - GE 45 Amp 1 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    THQL1145 - GE - Circuit Breaker
    GE
    Sale
    CQD345 - Siemens - Molded Case Circuit Breaker
    CQD345 - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $857.01
    Sale
    EJB24045 - Square D 45 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EJB24045 - Square D 45 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EJB24045 - Square D - 45 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $1,019.01
    Limited availability
    TEYH3045B - GE - Molded Case Circuit Breaker
    TEYH3045B - GE - Molded Case Circuit Breaker
    GE
    Save $116
    Sale
    HGB3B045B - Siemens - Molded Case Circuit Breaker
    HGB3B045B - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $78
    ED42B045 - Siemens - Molded Case Circuit Breaker
    ED42B045 - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    Sale
    CQD245 - Siemens - Molded Case Circuit Breaker
    CQD245 - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $523.01
    Sale
    CQD145 - Siemens - Molded Case Circuit Breaker
    CQD145 - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $221.01
    Limited availability
    EGB14045 - Square D 45 Amp 1 Pole 277 Volt Bolt-On Circuit Molded Case Breaker
    EGB14045 - Square D 45 Amp 1 Pole 277 Volt Bolt-On Circuit Molded Case Breaker
    EGB14045 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $22
    Sale
    FBV16TE045RV - GE 45 Amp 1 Pole 347 Volt Molded Case Circuit Breaker
    FBV16TE045RV - GE - Molded Case Circuit Breaker
    GE
    Save $143.51
    Sale
    FBN26TE045RV - GE 45 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    FBN26TE045RV - GE - Molded Case Circuit Breaker
    GE
    Save $722.51
    Sale
    ED21B045 - Siemens 45 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    ED21B045 - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    Save $255.01
    Limited availability
    Q245H - Siemens 45 Amp 2 Pole 240 Volt Thermal Magnetic Circuit Breaker
    Q245H - Siemens - 45 Amp Circuit Breaker
    Siemens / ITE
    Limited availability
    EDB16045 - Square D 45 Amp 1 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EDB16045 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $29
    Sale
    EDB24045 - Square D 45 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB24045 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $375.01
    Limited availability
    EDB26045 - Square D 45 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EDB26045 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $68
    Sale
    FHL36045 - Square D 45 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FHL36045 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $2,107.41
    EHD1045L - Eaton - Molded Case Circuit Breaker
    EHD1045L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    EHD3045L - Eaton - Molded Case Circuit Breaker
    EHD3045L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $45
    Sale
    FD1045L - Eaton - Molded Case Circuit Breaker
    FD1045L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $550.57
    Sale
    FD3045L - Eaton - Molded Case Circuit Breaker
    FD3045L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $1,577.32
    Sale
    FDB2045L - Eaton - Molded Case Circuit Breaker
    FDB2045L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $138
    Sale
    FDC2045L - Eaton - Molded Case Circuit Breaker
    FDC2045L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $268
    Sale
    FDC3045L - Eaton - MoldedCase Circuit Breakers
    FDC3045L - Eaton - MoldedCase Circuit Breakers
    Eaton Cutler-Hammer
    Save $582
    Sale
    HFD2045L - Eaton - Molded Case Circuit Breaker
    HFD2045L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $73
    Sale
    BQ3B045H - Siemens 45 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    BQ3B045H - Siemens - 45 Amp Molded Case Circuit Breaker
    Siemens / ITE
    Save $567.09
    Limited availability
    BQD345 - Siemens 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    BQD345 - Siemens - 45 Amp Molded Case Circuit Breaker
    Siemens / ITE
    Sale
    BQD6145 - Siemens - 45 Amp Molded Case Circuit Breaker
    BQD6145 - Siemens - 45 Amp Molded Case Circuit Breaker
    BQD6145 - Siemens - 45 Amp Molded Case Circuit Breaker
    Siemens / ITE
    Save $199.01
    B145H - Siemens 45 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    B145H - Siemens - 45 Amp 22kA Circuit Breaker
    Siemens / ITE
    Limited availability
    BQD6345 - Siemens 45 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    BQD6345 - Siemens - 45 Amp Molded Case Circuit Breaker
    Siemens / ITE
    ED23B045L - Siemens - Molded Case Circuit Breaker
    ED23B045L - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    Sale
    ED42B045L - Siemens 45 Amp 2 Pole 480 Volt Molded Case Circuit Breaker
    ED42B045L - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    Save $973.01
    Sale
    NGB1B045B - Siemens - Molded Case Circuit Breaker
    NGB1B045B - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $223.01
    NGB2B045B - Siemens - Molded Case Circuit Breaker
    NGB2B045B - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    ED61B045L - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    Sale
    HED42B045 - Siemens - Molded Case Circuit Breaker
    HED42B045 - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    Save $275.84
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