Circuit Breakers

349 products

    Shop our wide selection of Siemens, GE, Eaton Cutler-Hammer, Square D circuit breakers and more.
    349 products
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    QO340EPD - Square D 40 Amp 3 Pole 120 Volt Molded Case Circuit Breaker
    QO340EPD - Square D - 40 Amp Molded Case Circuit Breaker
    Plug-In - 40 Amp - 3 Pole - 240 Volt
    Schneider Electric
    EGB3040FFB - Eaton - Molded Case Circuit Breaker
    EGB3040FFB - Eaton - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    EGH3040FFB - Eaton - Molded Case Circuit Breaker
    EGH3040FFB - Eaton - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
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    EJB14040 - Square D 40 Amp 1 Pole 277 Volt Bolt-On Circuit Molded Case Breaker
    EJB14040 - Square D 40 Amp 1 Pole 277 Volt Bolt-On Circuit Molded Case Breaker
    EJB16040 - Square D 40 Amp 1 Pole 277 Volt Bolt-On Circuit Molded Case Breaker
    Bolt-On - 40 Amp - 1 Pole - 347 Volt
    Schneider Electric
    Save $57 CAD
    EGH3040FFG - Eaton - Molded Case Circuit Breaker
    EGH3040FFG - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    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
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    QO3401021 - Square D 40 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    QO3401021 - Square D - Molded Case Circuit Breakers
    I-Line Plug-In - 40 Amp - 3 Pole - 240 Volt
    Schneider Electric
    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
    EGB3040FFG - Eaton - Molded Case Circuit Breaker
    EGB3040FFG - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    FBN36TE040RV - GE 40 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    FBN36TE040RV - GE - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 600 Volt
    GE
    EGE3040FFG - Eaton - Molded Case Circuit Breaker
    EGE3040FFG - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
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    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
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    QBGFT1040 - Eaton Cutler-Hammer 40 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    QBGFT1040 - Eaton - 40 Amp Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Sale
    TEYD3040B - GE 40 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYD3040B - GE - Molded Case Circuit Breaker
    Bolt-On- 40 Amp - 3 Pole - 480 Volt
    GE
    Save $160 CAD
    TEY340ST12 - GE 40 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEY340ST12 - GE - Molded Case Circuit Breaker
    Bolt-On- 40 Amp - 3 Pole - 480 Volt
    GE
    QO340VH - Square D 40 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    QO340VH - Square D - 40 Amp Molded Case Circuit Breaker
    Plug-In - 40 Amp - 3 Pole - 240 Volt
    Schneider Electric
    FBN16TE040RV - GE 40 Amp 1 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    FBN16TE040RV - GE - Molded Case Circuit Breaker
    Bolt-On- 40 Amp - 1 Pole - 600 Volt
    GE
    GD3040 - Eaton - Molded Case Circuit Breaker
    GD3040 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    GD2040 - Eaton - Molded Case Circuit Breaker
    GD2040 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 480 Volt
    Eaton Cutler-Hammer
    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
    TEYH3040B - GE 40 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYH3040B - GE - Molded Case Circuit Breaker
    Bolt-On- 40 Amp - 3 Pole - 480 Volt
    GE
    TEYL3040B - GE 40 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYL3040B - GE - Molded Case Circuit Breaker
    Bolt-On- 40 Amp - 3 Pole - 480 Volt
    GE
    LGG3B040L - Siemens - Molded Case Circuit Breaker
    LGG3B040L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    HED42B040 - Siemens - Molded Case Circuit Breaker
    HED42B040 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    QOB340GFI - Square D - 40 Amp GFCI Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 240 Volt
    Schneider Electric
    BQ1B040 - Siemens 40 Amp Single Pole 120V BQ Bolt-On Circuit Breaker
    BQ1B060 - Siemens - 60 Amp 120V BQ Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 120 Volt
    Siemens / ITE
    GBH1050 - Eaton Cutler-Hammer 40 Amp 1 Pole 600 Volt Molded Case Circuit Breaker
    GBH1050 - Eaton - 40 Amp Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 600 Volt
    Eaton Cutler-Hammer
    GBH1040 - Eaton Cutler-Hammer 40 Amp 1 Pole 600 Volt Molded Case Circuit Breaker
    GBH1040 - Eaton - 40 Amp Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 600 Volt
    Eaton Cutler-Hammer
    HGA260404 - Square D 40 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HGA260404 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 2 Pole - 600 Volt
    Schneider Electric
    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
    FBN26TE040RV - GE 40 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    FBN26TE040RV - GE - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    GE
    HGB3B040B - Siemens 40 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    HGB3B040B - Siemens - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    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
    LGB3B040B - Siemens 40 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    LGB3B040B - Siemens - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 3 Pole - 600 Volt
    Siemens / ITE
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    HED41B040 - Siemens 40 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    HED41B040 - Siemens - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 1 Pole - 277 Volt
    Siemens/ITE
    HB3B040 - Siemens 40 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    HB3B040 - Siemens - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    NGG2B040L - Siemens 40 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    NGG2B040L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    LGB2B040B - Siemens 40 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    LGB2B040B - Siemens - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    HDA260401 - Square D 40 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA260401 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Sale
    EJB24040 - Square D 40 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EJB24040 - Square D 40 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EJB24040 - Square D - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 480 Volt
    Schneider Electric
    Save $150 CAD
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