Circuit Breakers

388 products

    Shop our wide selection of Siemens, GE, Eaton Cutler-Hammer, Square D circuit breakers and more.
    388 products
    Sale
    EDB24040 - Square D 40 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB24040 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $356.01
    THHQB2140 - GE 40 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    THHQB2140 - GE - 22kA Circuit Breaker
    GE
    Sale
    BF240 - Siemens 40 Amp Double Pole Ground Fault Bolt-On Circuit Breaker
    bf240a - Siemens - 40 Amp GFCI Circuit Breaker
    Siemens / ITE
    Save $340.01
    BR140 - Eaton Cutler-Hammer 40 Amp Single Pole Circuit Breaker
    BR140 - Eaton - 40 Amp Circuit Breaker
    Eaton Cutler-Hammer
    QOU240 - Square D 40 Amp 2 Pole 240 Volt Miniature Circuit Breaker
    QOU240 - Square D - 40 Amp Circuit Breaker
    Schneider Electric
    Sale
    EGB34040 - Square D 40 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EGB34040 - Square D 40 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EGB34040 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $893.01
    THQB1140 - GE 40 Amp Single Pole Bolt-On Circuit Breaker
    THQB1140 - GE - 40 Amp Circuit Breaker
    GE
    Sale
    QOU340 - Square D 40 Amp 3 Pole 240 Volt Miniature Circuit Breaker
    QOU340 - Square D - 40 Amp Circuit Breaker
    Schneider Electric
    Save $186.81
    CH140 - Eaton Cutler-Hammer 40 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    CH140 - Eaton - 40 Amp Circuit Breaker
    Eaton Cutler-Hammer
    B140 - Siemens 40 Amp Single Pole Bolt-On Circuit Breaker
    B140 - Siemens - 40 Amp Circuit Breaker
    Siemens / ITE
    Sale
    Q21540CT - Siemens 40 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    Q21540CT - Siemens - 40 Amp Molded Case Circuit Breaker
    Siemens / ITE
    Save $264.01
    Sale
    HFD3040L - Eaton - Molded Case Circuit Breaker
    HFD3040L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $2,090.19
    Sale
    QO240EPD - Square D - 40 Amp GFEP Circuit Breaker
    Schneider Electric
    Save $352.81
    THQL1140 - GE 40 Amp Single Pole Circuit Breaker
    THQL1140 - GE - 40 Amp Circuit Breaker
    GE
    Sale
    QOB340VH - Square D - 40 Amp 22kA Circuit Breaker
    QOB340VH - Square D - 40 Amp 22kA Circuit Breaker
    Schneider Electric
    Save $285.21
    Sale
    QE240 - Siemens 40 Amp 2 Pole 240 Volt Ground Fault Equipment Protection Circuit Breaker
    QE240 - Siemens - 40 Amp GFEP Circuit Breaker
    Siemens / ITE
    Save $961.01
    BR151515 - Cutler-Hammer Quad 15/40/15 Amp Circuit Breaker
    BR154015 - Eaton - Quad Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    BAB3040HS - Eaton - 40 Amp Shunt Trip Breaker
    Eaton Cutler-Hammer
    Save $749.44
    Sold Out
    QOB240GFI - Square D 40 Amp Double Pole GFCI Bolt-On Circuit Breaker
    QOB240GFI - Square D - 40 Amp GFCI Circuit Breaker
    Schneider Electric
    Save $252.62
    Sale
    BAB2040S - Cutler-Hammer 40 Amp 2 Pole 240 Volt Shunt Trip Breaker
    BAB2040S - Eaton - 40 Amp Shunt Trip Breaker
    Eaton Cutler-Hammer
    Save $400.65
    CHB240 - Eaton Cutler-Hammer 40 Amp 2 Pole 240 Volt Bolt-On Circuit Breaker
    CHB240 - Eaton - 40 Amp Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    QBGFEP2040 - Eaton Cutler-Hammer 40 Amp 2 Pole Ground Fault Equipment Protection Bolt-On Circuit Breaker
    QBGFEP2040 - Eaton - 40 Amp GFEP Circuit Breaker
    Eaton Cutler-Hammer
    Save $791.01
    Sale
    TED134040WL - GE 40 Amp 3 Pole 480 Volt Molded Case Thermal Magnetic Circuit Breaker
    TED134040WL - GE - Molded Case Circuit Breaker
    GE
    Save $409.01
    EDB14040 - Square D 40 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    EDB14040 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    QC2040 - Eaton - Circuit Breaker
    QC2040 - Eaton - Circuit Breaker
    Eaton Cutler-Hammer
    BQD240 - Siemens 40 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    BQD240 - Siemens - 40 Amp Molded Case Circuit Breaker
    Siemens / ITE
    BE240 - Siemens 40 Amp 2 Pole 240 Volt Ground Fault Equipment Protection Circuit Breaker
    BE240 - Siemens - 40 Amp GFEP Circuit Breaker
    Siemens / ITE
    Sold Out
    THQB2140GFEP - GE 40 Amp 2 Pole 30 mA Ground Fault (GFCI) Breaker
    THQB2140GFEP - GE - 40 Amp 30 mA Ground Fault (GFEP) Breaker
    GE
    Sale
    TEYL3040B - GE 40 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYL3040B - GE - Molded Case Circuit Breaker
    GE
    Save $686.01
    BQLT-15-240 - Commander Bolt-On Space Saver Quad Two 15 Amp Single Pole & One 40 Amp Double Pole Bolt-On Circuit Breaker
    BQLT-15-240 - Commander15/40/40/15 amp Quad Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    GFEP240 - Eaton Cutler-Hammer 40 Amp Ground Fault Equipment Protection Circuit Breaker
    GFEP240 - Eaton - 30 mA GFEP Circuit Breaker
    Eaton Cutler-Hammer
    Save $1,016.01
    Sale
    THHQB32040 - GE 40 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    THHQB32040 - GE - 22kA Circuit Breaker
    GE
    Save $236.01
    QC3040H - Eaton - Circuit Breaker
    QC3040H - Eaton - Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    TEYD3040B - GE 40 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYD3040B - GE - Molded Case Circuit Breaker
    GE
    Save $585.01
    Sale
    FH36040 - Square D 40 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    FH36040 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $1,357.21
    Sale
    GHB2040 - Eaton - Molded Case Circuit Breaker
    GHB2040 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $312.92
    Sale
    CHB340 - Eaton Cutler-Hammer 40 Amp 3 Pole 240 Volt Bolt-On Circuit Breaker
    CHB340 - Eaton - 40 Amp Circuit Breaker
    Eaton Cutler-Hammer
    Save $254.01
    Q34000S01 - Siemens 40 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    Q34000S01 - Siemens - 40 Amp Molded Case Circuit Breaker
    Siemens / ITE
    Sale
    B240H - Siemens - 40 Amp 22kA Circuit Breaker
    Siemens / ITE
    Save $268.01
    Sale
    HOM240GFI - Square D 40 Amp 2 Pole 240 Volt Ground Fault Circuit Breaker
    HOM240GFI - Square D - 40 Amp Ground Fault Circuit Breaker
    Schneider Electric
    Save $277.01
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