Circuit Breakers

349 products

    Shop our wide selection of Siemens, GE, Eaton Cutler-Hammer, Square D circuit breakers and more.
    349 products
    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
    EHD3040L - Eaton - Molded Case Circuit Breaker
    EHD3040L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    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
    Sold Out
    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
    QO240EPD - Square D - 40 Amp GFEP Circuit Breaker
    Plug-In - 40 Amp - 2 Pole - 240 Volt
    Schneider Electric
    Sale
    HLA36040 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $910 CAD
    Sale
    FHL36040 - Square D 40 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FHL36040 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $144 CAD
    Sale
    FH36040 - Square D 40 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    FH36040 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $568 CAD
    Sold Out
    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
    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
    Sale
    EGB14040 - Square D - Molded Case Circuit Breaker
    EGB14040 - Square D - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 1 Pole - 277 Volt
    Schneider
    Save $52.01 CAD
    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
    Sale
    THHQL32040 - GE - Circuit Breaker
    THHQL32040 - GE - Circuit Breaker
    40 Amp - 3 Pole - 240 Volt
    GE
    Save $2.01 CAD
    Sale
    QCR2040 - Eaton - Molded Case Circuit Breaker
    QCR2040 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $60.01 CAD
    PDG23G0040TFFJ - Eaton - Molded Case Circuit Breaker
    PDG23G0040TFFJ - Eaton - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    PDG23F0040TFFJ - Eaton - Molded Case Circuit Breaker
    PDG23F0040TFFJ - Eaton - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    PDG22M0040TFFJ - Eaton - Molded Case Circuit Breaker
    PDG22M0040TFFJ - Eaton - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    PDG21G0040TFFJ - Eaton - Molded Case Circuit Breaker
    PDG21G0040TFFJ - Eaton - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 1 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sold Out
    FAZ-Z40/3 - Eaton - Circuit Breaker
    FAZ-Z40/3 - Eaton - Circuit Breaker
    40 Amp - 3 Pole - 480 Volt
    Eaton Moeller
    FAZ-K40/2 - Eaton - Circuit Breaker
    FAZ-K40/2 - Eaton - Circuit Breaker
    40 Amp - 2 Pole - 480 Volt
    Eaton Moeller
    FAZ-K40/1N - Eaton - Circuit Breaker
    FAZ-K40/1N - Eaton - Circuit Breaker
    40 Amp - 1 Pole - 480 Volt
    Eaton Moeller
    Sold Out
    FAZ-D40/3N - Eaton - Circuit Breaker
    FAZ-D40/3N - Eaton - Circuit Breaker
    40 Amp - 3 Pole - 480 Volt
    Eaton Moeller
    FAZ-D40/1N - Eaton - Circuit Breaker
    FAZ-D40/1N - Eaton - Circuit Breaker
    40 Amp - 1 Pole - 480 Volt
    Eaton Moeller
    FAZ-C40-3N - Eaton - Circuit Breaker
    FAZ-C40-3N - Eaton - Circuit Breaker
    Feed Thru - 40 Amp - 3 Pole - 480 Volt
    Eaton Moeller
    FAZ-C40-3 - Eaton - Circuit Breaker
    FAZ-C40-3 - Eaton - Circuit Breaker
    Feed Thru - 40 Amp - 3 Pole - 480 Volt
    Eaton Moeller
    Sold Out
    FAZ-C40-1N - Eaton - Circuit Breaker
    FAZ-C40-1N - Eaton - Circuit Breaker
    Feed Thru - 40 Amp - 1 Pole - 480 Volt
    Eaton Moeller
    FAZ-B40-3N - Eaton - Circuit Breaker
    FAZ-B40-3N - Eaton - Circuit Breaker
    Feed Thru - 40 Amp - 3 Pole - 480 Volt
    Eaton Moeller
    Sale
    FAZ-B40-3 - Eaton - Circuit Breaker
    FAZ-B40-3 - Eaton - Circuit Breaker
    Feed Thru - 40 Amp - 3 Pole - 480 Volt
    Eaton Moeller
    Save $202.01 CAD
    Sold Out
    FAZ-B40-2 - Eaton - Circuit Breaker
    FAZ-B40-2 - Eaton - Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 480 Volt
    Eaton Moeller
    FAZ-B40-1N - Eaton - Circuit Breaker
    FAZ-B40-1N - Eaton - Circuit Breaker
    Feed Thru - 40 Amp - 1 Pole - 480 Volt
    Eaton Moeller
    QCGFT1040 - Eaton - GFCI Circuit Breaker
    QCGFT1040 - Eaton - GFCI Circuit Breaker
    Feed Thru - 40 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    QCGFEP1040 - Eaton - GFEP Circuit Breaker
    QCGFEP1040 - Eaton - GFEP Circuit Breaker
    Feed Thru - 40 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    EGS3040FFG - Eaton - Molded Case Circuit Breaker
    EGS3040FFG - Eaton - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    EGS3040FFB - Eaton - Molded Case Circuit Breaker
    EGS3040FFB - Eaton - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    EGS3040AFG - Eaton - Molded Case Circuit Breaker
    EGS3040AFG - Eaton - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    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
    EGS1040FFG - Eaton - Molded Case Circuit Breaker
    EGS1040FFG - Eaton - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 1 Pole - 240 Volt
    Eaton Cutler-Hammer
    EGS1040FFB - Eaton - Molded Case Circuit Breaker
    EGS1040FFB - Eaton - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 1 Pole - 240 Volt
    Eaton Cutler-Hammer
    EGB3040AFG - Eaton - Molded Case Circuit Breaker
    EGB3040AFG - Eaton - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
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