40 Amp Breakers

76 products

    76 products
    EHD1040 - Eaton - Molded Case Circuit Breaker
    EHD1040 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    ED41B040 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 120 Volt
    Siemens/ITE
    ED21B040L - Siemens - Molded Case Circuit Breaker
    ED21B040L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 120 Volt
    Siemens/ITE
    THQC1140 - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 1 Pole - 120 Volt
    GE
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    HED41B040L - Siemens 40 Amp 1 Pole 277 Volt Feed Thru Molded Case Circuit Breaker
    HED41B040L - Siemens - 40 Amp Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 277 Volt
    Siemens/ITE
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    QB1040GF - Eaton Cutler-Hammer 40 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    QB1040GF - Eaton - 40 Amp Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Save $233.91 CAD
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    QB1040EP - Eaton Cutler-Hammer 40 Amp 1 Pole 120 Volt Ground Fault Circuit Breaker
    QB1040EP - Eaton - 40 Amp GFEP Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Save $392.01 CAD
    TED113040 - GE 40 Amp 1 Pole 277 Volt Molded Case Circuit Breaker General Electric Lug
    TED113040 - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 1 Pole - 277 Volt
    GE
    Sale
    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
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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
    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
    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
    BQ1B040H - Siemens 40 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    BQ1B040H - Siemens - 40 Amp Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 120 Volt
    Siemens / ITE
    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
    TEY140 - GE - Molded Case Circuit Breaker
    TEY140 - GE - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 277 Volt
    GE
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    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
    HFD1040L - Eaton - Molded Case Circuit Breaker
    HFD1040L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 1 Pole - 277 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
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    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
    EHD1040L - Eaton - Molded Case Circuit Breaker
    EHD1040L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
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    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
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    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
    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
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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
    ED21B040 - Siemens - Molded Case Circuit Breaker
    ED21B040 - Siemens - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 1 Pole - 120 Volt
    Siemens/ITE
    CQD140 - Siemens - Molded Case Circuit Breaker
    CQD140 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 1 Pole - 277 Volt
    Siemens / ITE
    ED61B040L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 1 Pole - 600 Volt
    Siemens/ITE
    Q140H - Siemens 40 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    Q140H - Siemens - 40 Amp 22kA Circuit Breaker
    Plug-In - 40 Amp - 1 Pole - 120 Volt
    Siemens / ITE
    NGB1B040B - Siemens - Molded Case Circuit Breaker
    NGB1B040B - Siemens - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 1 Pole - 347 Volt
    Siemens / ITE
    ED41B040L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 1 Pole - 120 Volt
    Siemens/ITE
    THQC1140WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 1 Pole - 120 Volt
    GE
    B140H - Siemens 40 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    B140H - Siemens - 40 Amp 22kA Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 120 Volt
    Siemens / ITE
    BQD140 - Siemens 40 Amp 1 Pole 277 Volt Bolt-On Molded Case Breaker
    BQD140 - Siemens - 40 Amp Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 277 Volt
    Siemens / ITE
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