Circuit Breakers

157 products

    Shop our wide selection of Siemens, GE, Eaton Cutler-Hammer, Square D circuit breakers and more.
    157 products
    BAB3045HS - Eaton - 45 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Limited availability
    CH345 - Eaton - 45 Amp Circuit Breaker
    Eaton Cutler-Hammer
    Save $282.01
    Limited availability
    QBHW2045 - Eaton Cutler-Hammer 45 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    QBHW2045 - Eaton - 45 Amp Circuit Breaker
    Eaton Cutler-Hammer
    Save $180.01
    Sale
    NGB3B045B - Siemens - Molded Case Circuit Breaker
    NGB3B045B - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $84
    ED63B045 - Siemens - Moded Case Circuit Breaker
    ED63B045 - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    B245HH - Siemens 45 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    B245HH - Siemens - Circuit Breaker
    Siemens / ITE
    Sale
    HFD3045L - Eaton - Molded Case Circuit Breaker
    HFD3045L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $1,980.19
    ED43B045 - Siemens - Molded Case Circuit Breaker
    ED43B045 - Siemens - Molded Case Circuit Breaker
    ED43B045 - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    B345H - Siemens - 45 Amp 22kA Circuit Breaker
    Siemens / ITE
    Sale
    B245H - Siemens - 45 Amp 22kA Circuit Breaker
    Siemens / ITE
    Save $255.01
    Sale
    FD3045 - Eaton - Molded Case Circuit Breaker
    FD3045 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $1,577.32
    Sale
    TED134045 - GE 45 Amp 3 Pole 480 Volt Molded Case Thermal Magnetic Circuit Breaker
    TED134045 - GE - Molded Case Circuit Breaker
    GE
    Save $648.01
    Sale
    BJA36045 - Square D 45 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BJA36045 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $1,228.01
    Q145 - Siemens 45 Amp Single Pole Circuit Breaker
    Q145 - Siemens - 45 Amp Circuit Breaker
    Siemens / ITE
    Sale
    HGA36045 - Square D 45 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGA36045 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $925.01
    Limited availability
    EDB14045 - Square D 45 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    EDB14045 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    THQP145 - GE 45 Amp 1 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    THQP145 - GE - Circuit Breaker
    GE
    Sale
    GD3045 - Eaton - Molded Case Circuit Breaker
    GD3045 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $71
    HED43B045 - Siemens 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    HED43B045 - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    Limited availability
    BAB1045 - Eaton - 45 Amp Circuit Breaker
    BAB1045 - Eaton - 45 Amp Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    HJA36045 - Square D 45 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJA36045 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $1,238.01
    Limited availability
    GHB1045 - Eaton - Molded Case Circuit Breaker
    GHB1045 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $133.60
    QBHW1045 - Eaton Cutler-Hammer 45 Amp 1 Pole 240 Volt Molded Case Circuit Breaker
    QBHW1045 - Eaton - 45 Amp Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    TEY245 - GE - Molded Case Circuit Breaker
    TEY245 - GE - Molded Case Circuit Breaker
    GE
    Save $256.01
    Sale
    GHB2045 - Eaton - Molded Case Circuit Breaker
    GHB2045 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $312.92
    Sale
    QOU345 - Square D 45 Amp 3 Pole 240 Volt Miniature Circuit Breaker
    QOU345 - Square D - 45 Amp Circuit Breaker
    Schneider Electric
    Save $145.74
    Sale
    FAL36045 - Square D 45 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    FAL36045 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $128
    Sale
    TED136045WL - GE 45 Amp 3 Pole 600 Volt Molded Case Thermal Magnetic Circuit Breaker
    TED136045WL - GE - Molded Case Circuit Breaker
    GE
    Save $715.01
    BQD145 - Siemens 45 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    BQD145 - Siemens - 45 Amp Molded Case Circuit Breaker
    Siemens / ITE
    BQD245 - Siemens 45 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    BQD245 - Siemens - 45 Amp Molded Case Circuit Breaker
    Siemens / ITE
    THQC2145WL - GE - Molded Case Circuit Breaker
    THQC2145WL - GE - Molded Case Circuit Breaker
    GE
    B345HH - Siemens - 45 Amp 22kA Circuit Breaker
    Siemens / ITE
    Sale
    THED136045WL - GE - Molded Case Circuit Breaker
    GE
    Save $981.01
    Sale
    FBN36TE045RV - GE 45 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    FBN36TE045RV - GE - Molded Case Circuit Breaker
    GE
    Save $876.01
    Sale
    TED136045 - GE 45 Amp 3 Pole 600 Volt Molded Case Thermal Magnetic Circuit Breaker
    TED136045 - GE - Molded Case Circuit Breaker
    GE
    Save $715.01
    MP345 - Siemens 45 Amp 3 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    MP345 - Siemens - 45 Amp Molded Case Circuit Breaker
    Siemens/ITE
    UBIZ0245 - Connecticut Electric 45 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    UBIZ0245 - Connecticut Electric 45 Amp Molded Case Circuit Breaker
    Connecticut Electric
    BQ1B045 - Siemens 45 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    BQ1B045 - Siemens - 45 Amp Molded Case Circuit Breaker
    Siemens / ITE
    B145 - Siemens 45 Amp Single Pole Bolt-On Circuit Breaker
    B145 - Siemens - 45 Amp Circuit Breaker
    Siemens / ITE
    Sale
    HDA36045 - Square D 45 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36045 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $524.01
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