Circuit Breakers

156 products

    Shop our wide selection of Siemens, GE, Eaton Cutler-Hammer, Square D circuit breakers and more.
    156 products
    Sale
    EGB34045 - Square D 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EGB34045 - Square D 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EGB34045 - Square D - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $25 CAD
    Sale
    EJB34045 - Square D 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EJB34045 - Square D 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EJB34045 - Square D - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $270 CAD
    Sale
    EJB24045 - Square D 45 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EJB24045 - Square D 45 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EJB24045 - Square D - 45 Amp Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 2 Pole - 480 Volt
    Schneider Electric
    Save $150 CAD
    Limited availability
    TEYH3045B - GE - Molded Case Circuit Breaker
    TEYH3045B - GE - Molded Case Circuit Breaker
    Bolt-On- 45 Amp - 3 Pole - 480 Volt
    GE
    Save $646 CAD
    Sale
    HGB3B045B - Siemens - Molded Case Circuit Breaker
    HGB3B045B - Siemens - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $154 CAD
    ED42B045 - Siemens - Molded Case Circuit Breaker
    ED42B045 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED41B045 - Siemens - Molded Case Circuit Breaker
    ED41B045 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 1 Pole - 120 Volt
    Siemens/ITE
    B245HH - Siemens 45 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    B245HH - Siemens - Circuit Breaker
    Bolt-On - 45 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    CQD245 - Siemens - Molded Case Circuit Breaker
    CQD245 - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 45 Amp - 2 Pole - 480 Volt
    Siemens / ITE
    CQD145 - Siemens - Molded Case Circuit Breaker
    CQD145 - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 45 Amp - 1 Pole - 277 Volt
    Siemens / ITE
    Limited availability
    GBH2045 - Eaton Cutler-Hammer 45 Amp 2 Pole 600 Volt Bolt-On Circuit Breaker
    GBH2045 - Eaton - 45 Amp Circuit Breaker
    Bolt-On - 45 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    GBH1045 - Eaton Cutler-Hammer 45 Amp 1 Pole 600 Volt Bolt-On Circuit Breaker
    GBH1045 - Eaton - 45 Amp Circuit Breaker
    Bolt-On - 45 Amp - 1 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    TEYD3045B - GE 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYD3045B - GE - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 480 Volt
    GE
    Save $236 CAD
    Limited availability
    EGB14045 - Square D 45 Amp 1 Pole 277 Volt Bolt-On Circuit Molded Case Breaker
    EGB14045 - Square D 45 Amp 1 Pole 277 Volt Bolt-On Circuit Molded Case Breaker
    EGB14045 - Square D - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 1 Pole - 277 Volt
    Schneider Electric
    Save $57 CAD
    FBV16TE045RV - GE 45 Amp 1 Pole 347 Volt Molded Case Circuit Breaker
    FBV16TE045RV - GE - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 1 Pole - 600 Volt
    GE
    FBN26TE045RV - GE 45 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    FBN26TE045RV - GE - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 2 Pole - 600 Volt
    GE
    HED43B045 - Siemens 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    HED43B045 - Siemens - Molded Case Circuit Breaker
    Bolt On - 45 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED21B045 - Siemens 45 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    ED21B045 - Siemens - Molded Case Circuit Breaker
    Bolt On - 45 Amp - 1 Pole - 120 Volt
    Siemens/ITE
    HHED63B045 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    HED42B045 - Siemens - Molded Case Circuit Breaker
    HED42B045 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED23B045 - Siemens 45 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    ED23B045 - Siemens - Molded Case Circuit Breaker
    Bolt On - 45 Amp - 3 Pole - 240 Volt
    Siemens/ITE
    ED22B045 - Siemens 45 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    ED22B045 - Siemens - Molded Case Circuit Breaker
    Bolt On - 45 Amp - 2 Pole - 240 Volt
    Siemens/ITE
    Sale
    NGB3B045B - Siemens - Molded Case Circuit Breaker
    NGB3B045B - Siemens - Molded Case Circuit Breaker
    Bolt On - 45 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $139 CAD
    NGB2B045B - Siemens - Molded Case Circuit Breaker
    NGB2B045B - Siemens - Molded Case Circuit Breaker
    Bolt On - 45 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    NGB1B045B - Siemens - Molded Case Circuit Breaker
    NGB1B045B - Siemens - Molded Case Circuit Breaker
    Bolt On - 45 Amp - 1 Pole - 347 Volt
    Siemens / ITE
    ED63B045L - Siemens - Molded Case Circuit Breaker
    ED63B045L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 45 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED43B045L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 45 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED42B045L - Siemens 45 Amp 2 Pole 480 Volt Molded Case Circuit Breaker
    ED42B045L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 45 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED41B045L - Siemens - Molded Case Circuit Breaker
    ED41B045L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 45 Amp - 1 Pole - 120 Volt
    Siemens/ITE
    ED23B045L - Siemens - Molded Case Circuit Breaker
    ED23B045L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 45 Amp - 3 Pole - 240 Volt
    Siemens/ITE
    Limited availability
    BQD6345 - Siemens 45 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    BQD6345 - Siemens - 45 Amp Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    THQC32045WL - GE - Molded Case Circuit Breaker
    THQC32045WL - GE - Molded Case Circuit Breaker
    THQC32045WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 45 Amp - 3 Pole - 240 Volt
    GE
    B345HH - Siemens - 45 Amp 22kA Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    B345H - Siemens - 45 Amp 22kA Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    B145H - Siemens 45 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    B145H - Siemens - 45 Amp 22kA Circuit Breaker
    Bolt-On - 45 Amp - 1 Pole - 120 Volt
    Siemens / ITE
    BQD6245 - Siemens 45 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    BQD6245 - Siemens - 45 Amp Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    BQD6145 - Siemens 45 Amp 1 Pole 347 Volt Bolt-On Molded Case Circuit Breaker
    BQD6145 - Siemens - 45 Amp Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 1 Pole - 347 Volt
    Siemens / ITE
    Limited availability
    BQD345 - Siemens 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    BQD345 - Siemens - 45 Amp Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 480 Volt
    Siemens / ITE
    BQD245 - Siemens 45 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    BQD245 - Siemens - 45 Amp Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 2 Pole - 480 Volt
    Siemens / ITE
    BQD145 - Siemens 45 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    BQD145 - Siemens - 45 Amp Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 1 Pole - 277 Volt
    Siemens / ITE
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