40 Amp Breakers

139 products

    139 products
    Sale
    CHFN240GF - Eaton - GFCI Circuit Breaker
    CHN240GF - Eaton - GFCI Circuit Breaker
    Plug in - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $481.31 CAD
    THHQB2140 - GE 40 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    THHQB2140 - GE - 22kA Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    GE
    QB2040GF - Eaton Cutler-Hammer 40 Amp Double Pole Ground Fault Bolt-On Circuit Breaker
    QB2040GF - Eaton - 40 Amp Ground Fault Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    GFEP240 - Eaton Cutler-Hammer 40 Amp Ground Fault Equipment Protection Circuit Breaker
    GFEP240 - Eaton - 30 mA GFEP Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    QOB240VH - Square D - 40 Amp 22kA Circuit Breaker
    QOB240VH - Square D - 40 Amp 22kA Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Schneider Electric
    BE240 - Siemens 40 Amp 2 Pole 240 Volt Ground Fault Equipment Protection Circuit Breaker
    BE240 - Siemens - 40 Amp GFEP Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    Sale
    FDB2040 - Eaton - Molded Case Circuit Breaker
    FDB2040 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $27 CAD
    BDA260401 - Square D 40 Amp 2 Pole 600 Volt Plug-In Circuit Breaker Parts and Accessories
    BDA260401 - Square D - 40 Amp Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 2 Pole - 600 Volt
    Schneider Electric
    QCGFT2040 - Eaton - Molded Case Circuit Breaker
    QCGFT2040 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    QCGFEP2040 - Eaton - Molded Case Circuit Breaker
    QCGFEP2040 - Eaton - GFEP Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    TEB122040WL - GE 40 Amp 2 Pole 240 Volt Molded Case Circuit Breaker General Electric Lug
    TEB122040WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 240 Volt
    GE
    QBGFEP2040 - Eaton Cutler-Hammer 40 Amp 2 Pole Ground Fault Equipment Protection Bolt-On Circuit Breaker
    QBGFEP2040 - Eaton - 40 Amp GFEP Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    bf240a - Siemens 40 Amp Double Pole GFCI Bolt-On Circuit Breaker
    BF240A - Siemens - 40 Amp GFCI Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    ED42B040 - Siemens - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    THQC2140WL - GE - Molded Case Circuit Breaker
    THQC2140WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 240 Volt
    GE
    Limited availability
    C25DNF240B - Eaton - Magnetic Contactor
    C25DNF240B - Eaton - Magnetic Contactor
    40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $63.01 CAD
    Sale
    HFD2040 - Eaton - Molded Case Circuit Breaker
    HFD2040 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $404 CAD
    Sale
    EJB26040 - Square D 40 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EJB26040 - Square D 40 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EJB26040 - Square D - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Save $642 CAD
    QCGF2040 - Eaton - Circuit Breaker
    QCGF2040 - Eaton - GFCI Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 120 Volt
    Eaton Cutler-Hammer
    QO240EPD - Square D - 40 Amp GFEP Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Schneider Electric
    Limited availability
    NAGF240-10 -Federal Pioneer 40 Amp Double Pole 10 mA GFCI Circuit Breaker
    NAGF240-10 -Federal Pioneer 40 Amp GFCI Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Federal Pioneer
    HDL26040 - Square D 40 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDL26040 - Square D - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 600 Volt
    Schneider Electric
    HDA260402 - Square D 40 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA260402 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 2 Pole - 600 Volt
    Schneider Electric
    BDA260402 - Square D - Molded Case Circuit Breaker
    BDA260402 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Sale
    FAZ-D40/2 - Eaton - Circuit Breaker
    FAZ-D40/2 - Eaton - Circuit Breaker
    40 Amp - 2 Pole - 480 Volt
    Eaton Moeller
    Save $124.01 CAD
    BQ2B040H - Siemens 40 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    BQ2B040H - Siemens - 40 Amp Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    TED124040WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 480 Volt
    GE
    Limited availability
    BQGF240 - Commander 40 Amp 2 Pole Bolt-On GFCI Circuit Breakers
    BQGF240 - Commander 40 Amp GFCI Circuit Breakers
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Sale
    FDB2040L - Eaton - Molded Case Circuit Breaker
    FDB2040L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,082 CAD
    Sale
    FD2040L - Eaton - Molded Case Circuit Breaker
    FD2040L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $160 CAD
    Sale
    FH26040AB - Square D 40 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    FH26040AB - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Save $148 CAD
    Sale
    EDB26040 - Square D 40 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EDB26040 - Square D - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Save $367 CAD
    Limited availability
    FBV26TE040RV - GE 40 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    FBV26TE040RV - GE - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    GE
    HGB2B040B - Siemens 40 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    HGB2B040B - Siemens - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    HDA260404 - Square D 40 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA260404 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 2 Pole - 600 Volt
    Schneider Electric
    B24000S01 - Siemens - 40 Amp Shunt Trip Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    BQD6240 - Siemens 40 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    BQD6240 - Siemens - 40 Amp Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    Sale
    CHFN240GF - Eaton - GFCI Circuit Breaker
    CHFN240GF - Eaton - GFCI Circuit Breaker
    Plug in - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $481.31 CAD
    BRN240EP - Eaton Cutler-Hammer 40 Amp Ground Fault Equipment Protection Circuit Breaker
    BRN240EP - Eaton - 30 mA GFEP Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Limited availability
    QCR2040 - Eaton - Molded Case Circuit Breaker
    QCR2040 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $83.01 CAD
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