Circuit Breakers

349 products

    Shop our wide selection of Siemens, GE, Eaton Cutler-Hammer, Square D circuit breakers and more.
    349 products
    THHQB32040 - GE 40 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    THHQB32040 - GE - 22kA Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 240 Volt
    GE
    THHQB1140 - GE 40 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    THHQB1140 - GE - 22kA Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 120 Volt
    GE
    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
    TEY340 - GE 40 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEY340 - GE - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 3 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
    TEY140 - GE - Molded Case Circuit Breaker
    TEY140 - GE - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 277 Volt
    GE
    TED124040WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 480 Volt
    GE
    Sold Out
    TED113040WL - GE 40 Amp 1 Pole 277 Volt Molded Case Circuit Breaker General Electric Lug
    TED113040WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 1 Pole - 277 Volt
    GE
    QC1040 - Eaton - Circuit Breaker
    QC1040 - Eaton - Circuit Breaker
    Feed Thru - 40 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    HFD2040L - Eaton - Molded Case Circuit Breaker
    HFD2040L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    HFD1040L - Eaton - Molded Case Circuit Breaker
    HFD1040L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    FDC2040L - Eaton - Molded Case Circuit Breaker
    FDC2040L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    FD1040L (347V) - Eaton - Molded Case Circuit Breaker
    FD1040L (347V) - Eaton - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 347 Volt
    Eaton Cutler-Hammer
    Sold Out
    FD1040L - Eaton - Molded Case Circuit Breaker
    FD1040L (277V)- Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $100 CAD
    EHD2040L - Eaton - Molded Case Circuit Breaker
    EHD2040L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 480 Volt
    Eaton Cutler-Hammer
    EHD1040L - Eaton - Molded Case Circuit Breaker
    EHD1040L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    CHB340 - Eaton Cutler-Hammer 40 Amp 3 Pole 240 Volt Bolt-On Circuit Breaker
    CHB340 - Eaton - 40 Amp Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    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
    Sold Out
    CHB140 - Eaton Cutler-Hammer 40 Amp 1 Pole 120 Volt Bolt-On Circuit Breaker
    CHB140 - Eaton - 40 Amp Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Sold Out
    CH340 - Eaton Cutler-Hammer 40 Amp 3 Pole 240 Volt Plug-In Circuit Breaker
    CH340 - Eaton - 40 Amp Circuit Breaker
    Plug-In - 40 Amp - 3 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
    Sold Out
    FH16040A - Square D 40 Amp 1 Pole 277 Volt Molded Case Circuit Breaker
    FH16040A - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 1 Pole - 277 Volt
    Schneider Electric
    Sold Out
    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
    FI36040 - Square D 40 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FI36040 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $960 CAD
    Sale
    HJA36040 - Square D 40 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJA36040 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $240 CAD
    Sale
    HGA36040 - Square D 40 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGA36040 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $210 CAD
    BQL40 - Commander Bolt-On 40 Amp Single Pole Bolt-On Circuit Breaker
    BQL40 - Commander 40 Amp Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Recently viewed