40 Amp Breakers

137 products

    137 products
    Sale
    C25DNF240B - Eaton - Magnetic Contactor
    C25DNF240B - Eaton - Magnetic Contactor
    40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $63.01 CAD
    C25DNF240A - Eaton - Magnetic Contactor
    C25DNF240A - Eaton - Magnetic Contactor
    40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Limited availability
    FAZ-B40-2 - Eaton - Circuit Breaker
    FAZ-B40-2 - Eaton - Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 480 Volt
    Eaton Moeller
    EGS2040FFG - Eaton - Molded Case Circuit Breaker
    EGS2040FFG - Eaton - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    EGS2040FFB - Eaton - Molded Case Circuit Breaker
    EGS2040FFB - Eaton - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    EGB2040FFG - Eaton - Molded Case Circuit Breaker
    EGB2040FFG - Eaton - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 480 Volt
    Eaton Cutler-Hammer
    Save $242 CAD
    Sale
    EGB2040FFB - Eaton - Molded Case Circuit Breaker
    EGB2040FFB - Eaton - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 2 Pole - 480 Volt
    Eaton Cutler-Hammer
    Save $104 CAD
    NGG2B040 - Siemens - Molded Case Circuit Breaker
    NGG2B040 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 600 Volt
    Siemens/ITE
    Sale
    HHED62B040 - Siemens - Molded Case Circuit Breaker
    HHED62B040 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Siemens/ITE
    Save $1,097.01 CAD
    Sale
    FDC2040 - Eaton - Molded Case Circuit Breaker
    FDC2040 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,036 CAD
    Limited availability
    EHD2040 - Eaton - Molded Case Circuit Breaker
    EHD2040 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 480 Volt
    Eaton Cutler-Hammer
    Save $100 CAD
    Sale
    CED62B040L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Siemens/ITE
    Save $191.81 CAD
    THQC2140 - GE - Molded Case Circuit Breaker
    THQC2140 - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 240 Volt
    GE
    ED62B040 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Siemens/ITE
    Sale
    HHED62B040L - Siemens - 40 Amp Molded Case Circuit Breaker
    HHED62B040L - Siemens - 40 Amp Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Siemens/ITE
    Save $1,097.01 CAD
    Limited availability
    BDA260404 - Square D 40 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA260404 - Square D - 40 Amp Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Save $389.01 CAD
    Limited availability
    HED42B040L - Siemens 40 Amp 2 Pole 480 Volt Feed Thru Molded Case Circuit Breaker
    HED42B040L - Siemens - 40 Amp Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    THED124040 - GE 40 Amp 2 Pole 480 Volt Molded Case Circuit Breaker
    THED124040 - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 480 Volt
    GE
    TEB122040 - GE 40 Amp 2 Pole 240 Volt Molded Case Circuit Breaker General Electric Lug
    TEB122040 - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 240 Volt
    GE
    TED124040 - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 480 Volt
    GE
    Limited availability
    EGB26040 - Square D 40 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EGB26040 - Square D 40 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EGB26040 - Square D - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 480 Volt
    Schneider Electric
    Save $111 CAD
    THQB2140GFEP - GE - 40 Amp 30 mA Ground Fault (GFEP) Breaker
    THQB2140GFEP - GE - 40 Amp 30 mA Ground Fault (GFEP) Breaker
    THQB2140GFEP - GE - 40 Amp 30 mA Ground Fault (GFEP) Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    GE
    Sale
    QBHW2040S - Eaton Cutler-Hammer 40 Amp 2 Pole 240 Volt Bolt-On Circuit Breaker Load Center
    QBHW2040S - Eaton - 40 Amp Load Center
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $463 CAD
    TEYL2040B - GE 40 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYL2040B - GE - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 480 Volt
    GE
    Sale
    TEYD2040B - GE 40 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYD2040B - GE - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 480 Volt
    GE
    Save $111 CAD
    Limited availability
    HGL26040 - Square D 40 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    HGL26040 - Square D - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Save $170 CAD
    GD2040 - Eaton - Molded Case Circuit Breaker
    GD2040 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 480 Volt
    Eaton Cutler-Hammer
    BQ2B04000S01 - Siemens 40 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    BQ2B04000S01 - Siemens - 40 Amp Shunt Trip Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    THED124040WL - GE 40 Amp 2 Pole 480 Volt Molded Case Circuit Breaker
    THED124040WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 480 Volt
    GE
    TEY240 - GE - Molded Case Circuit Breaker
    TEY240 - GE - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 480 Volt
    GE
    Sale
    HFD2040L - Eaton - Molded Case Circuit Breaker
    HFD2040L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $404 CAD
    Sale
    FDC2040L - Eaton - Molded Case Circuit Breaker
    FDC2040L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,036 CAD
    Limited availability
    EHD2040L - Eaton - Molded Case Circuit Breaker
    EHD2040L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 480 Volt
    Eaton Cutler-Hammer
    Save $100 CAD
    CHB240 - Eaton Cutler-Hammer 40 Amp 2 Pole 240 Volt Bolt-On Circuit Breaker
    CHB240 - Eaton - 40 Amp Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    BAB2040S - Cutler-Hammer 40 Amp 2 Pole 240 Volt Shunt Trip Breaker
    BAB2040S - Eaton - 40 Amp Shunt Trip Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Sale
    FH26040BC - Square D 40 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    FH26040BC - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Save $142 CAD
    Sale
    FH26040AC - Square D 40 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    FH26040AC - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Save $40 CAD
    Limited availability
    QOB240EPD - Square D 40 Amp 2 Pole 30 mA Ground Fault (GFCI) Breaker
    QOB240EPD - Square D - 40 Amp 30 mA GFEP Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Schneider Electric
    Sale
    EGB24040 - Square D 40 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EGB24040 - Square D 40 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EGB24040 - Square D - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 480 Volt
    Schneider Electric
    Save $111 CAD
    HED42B040 - Siemens - Molded Case Circuit Breaker
    HED42B040 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 480 Volt
    Siemens/ITE
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