40 Amp Breakers

137 products

    137 products
    Sale
    Q240 - Siemens 40 Amp Double Pole Circuit Breaker
    Q240 - Siemens - 40 Amp Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    Save $7.99 CAD
    Sale
    QO240 - Square D - 40 Amp Circuit Breaker
    QO240 - Square D - 40 Amp Circuit Breaker
    QO240 - Square D - 40 Amp Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Schneider Electric
    Save $25 CAD
    BR240 - Eaton Cutler-Hammer 40 Amp Double Pole Circuit Breaker
    BR240 - Eaton - 40 Amp Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    NC0240 - Federal Pioneer 40 Amp Double Pole Circuit Breaker
    NC0240 - Federal Pioneer - 40 Amp Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Federal Pioneer
    THQL2140 - GE 40 Amp Double Pole Circuit Breaker
    THQL2140 - GE - 40 Amp Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    GE
    Sale
    QO240GFI - Square D 40 Amp Double Pole GFCI Circuit Breaker
    QO240GFI - Square D - 40 Amp GFCI Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Schneider Electric
    Save $80 CAD
    CHOM240 - HomeLine 40 Amp 2 Pole 240 Volt Circuit Breaker
    CHOM240 - HomeLine 40 Amp Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Schneider Electric
    GFTCB240 - Eaton Cutler-Hammer 40 Amp Double Pole GFCI Circuit Breaker
    GFTCB240 - Eaton - 40 Amp GFCI Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Sale
    BAB2040 - Eaton Cutler-Hammer 40 Amp Double Pole Bolt-On Circuit Breaker
    BAB2040 - Eaton - 40 Amp Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $9.80 CAD
    Sale
    QBH240 - Commander 40 Amp Double Pole Bolt-On Circuit Breaker
    QBH240 - Commander - 40 Amp Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $52 CAD
    Limited availability
    BL2-040 Siemens Blue-Line 40 Amp Double Pole Circuit Breaker
    BL2-040 Siemens - Blue-Line 40 Amp Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    BQL240 - Commander 40 Amp Double Pole Bolt-On Circuit Breaker
    BQL240 - Commander 40 Amp Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    NB240 - Federal Pioneer 40 Amp Double Pole Bolt-On Circuit Breaker
    NB240 - Federal Pioneer - 40 Amp Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Federal Pioneer
    QOB240 - Square D 40 Amp Double Pole Bolt-On Circuit Breaker
    QOB240 - Square D - 40 Amp Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Schneider Electric
    BQ2B040 - Siemens 40 Amp Double Pole 120/240V BQ Bolt-On Circuit Breaker
    BQ2B040 - Siemens - 40 Amp Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    B240 - Siemens 40 Amp Double Pole Bolt-On Circuit Breaker
    B240 - Siemens - 40 Amp Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    QF240ACSA - Siemens 40 ACSAmp Double Pole 240 Volt GFCI Circuit BreACSAker
    QF240ACSA - Siemens - GFCI Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    Sale
    THQB2140 - GE 40 Amp Double Pole Bolt-On Circuit Breaker
    THQB2140 - GE - 40 Amp Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    GE
    Save $9 CAD
    Sale
    QO240CP - Square D - 40 Amp Circuit Breaker
    QO240CP - Square D - 40 Amp Circuit Breaker
    QO240CP - Square D - 40 Amp Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Schneider Electric
    Save $25 CAD
    CH240GFT - Eaton Cutler-Hammer 40 Amp 2 Pole 240 Volt Ground Fault Circuit Breaker
    CH240GFT - Eaton - 40 Amp Ground Fault Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Limited availability
    NAGF240 -Federal Pioneer 40 Amp Double Pole GFCI Circuit Breaker
    NAGF240 -Federal Pioneer 40 Amp GFCI Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Federal Pioneer
    Sale
    CHOM240GFI - HomeLine 40 Amp 2 Pole 240 Volt Circuit Breaker
    CHOM240GFI - HomeLine 40 Amp GFCI Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Schneider Electric
    Save $40 CAD
    QOU240 - Square D 40 Amp 2 Pole 240 Volt Miniature Circuit Breaker
    QOU240 - Square D - 40 Amp Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Schneider Electric
    Q240GFCSA - Siemens 40 ACSAmp Double Pole 240 Volt GFCI Circuit BreACSAker
    Q240GFCSA - Siemens - GFCI Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    THQL2140GF1 - GE 40 Amp Double Pole GFCI Breaker
    THQL2140GF1 - GE - 40 Amp GFCI Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    GE
    THQL2140GFT - GE - 40 Amp GFCI Circuit Breaker
    Plug-In -40 Amp - 2 Pole - 240 Volt
    GE
    B240H - Siemens - 40 Amp 22kA Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    Limited availability
    NA240 - Federal Pioneer 40 Amp Double Pole Circuit Breaker
    NA240 - Federal Pioneer - 40 Amp Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Federal Pioneer
    QBHW2040 - Eaton Cutler-Hammer 40 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    QBHW2040 - Eaton - 40 Amp Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    QC2040 - Eaton - Circuit Breaker
    QC2040 - Eaton - Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    QBGFT2040 - Eaton Cutler-Hammer 40 Amp Double Pole GFCI Bolt-On Circuit Breaker
    QBGFT2040 - Eaton - 40 Amp GFCI Circuit Breaker
    Bolt On - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    QE240 - Siemens 40 Amp 2 Pole 240 Volt Ground Fault Equipment Protection Circuit Breaker
    QE240 - Siemens - 40 Amp GFEP Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    CHF240 - Eaton - 40 Amp Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    EDB24040 - Square D 40 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB24040 - Square D - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 480 Volt
    Schneider Electric
    GBH2040 - Eaton - 40 Amp Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Q240H - Siemens 40 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    Q240H - Siemens - 40 Amp 22kA Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    QOB240GFI - Square D 40 Amp Double Pole GFCI Bolt-On Circuit Breaker
    QOB240GFI - Square D - 40 Amp GFCI Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Schneider Electric
    Sale
    CHN240GF - Eaton - GFCI Circuit Breaker
    CHN240GF - Eaton - GFCI Circuit Breaker
    Plug in - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $481.31 CAD
    Sale
    FD2040 - Eaton - Molded Case Circuit Breaker
    FD2040 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $160 CAD
    Sale
    QB2040EP - Eaton Cutler-Hammer 40 Amp 2 Pole 240 Volt Ground Fault Circuit Breaker
    QB2040EP - Eaton - 40 Amp GFEP Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $622.01 CAD
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