Circuit Breakers

3491 products

    Shop our wide selection of Siemens, GE, Eaton Cutler-Hammer, Square D circuit breakers and more.
    3491 products
    QJH23B125 - Siemens - Molded Case Circuit Breaker
    QJH23B125 - Siemens - Molded Case Circuit Breaker
    Bolt On - 125 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    Limited availability
    QJH23B110 - Siemens - Molded Case Circuit Breaker
    QJH23B110 - Siemens - Molded Case Circuit Breaker
    Bolt On - 110 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    QJH23B100 - Siemens - Molded Case Circuit Breaker
    QJH23B100 - Siemens - Molded Case Circuit Breaker
    Bolt On - 100 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    QJ23B225 - Siemens - Molded Case Circuit Breaker
    QJ23B225 - Siemens - Molded Case Circuit Breaker
    Bolt On - 225 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    QJ23B200 - Siemens - Molded Case Circuit Breaker
    QJ23B200 - Siemens - Molded Case Circuit Breaker
    Bolt On - 200 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    QJ23B125 - Siemens - Molded Case Circuit Breaker
    QJ23B125 - Siemens - Molded Case Circuit Breaker
    Bolt On - 125 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    Q360H - Siemens 60 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    Q360H - Siemens - 60 Amp 22kA Circuit Breaker
    Plug-In - 60 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    Q35000S01 - Siemens 50 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    Q35000S01 - Siemens - 50 Amp Molded Case Circuit Breaker
    Plug-In - 50 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    Q340H - Siemens 40 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    Q340H - Siemens - 40 Amp 22kA Case Circuit Breaker
    Plug-In - 40 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    Q34000S01 - Siemens 40 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    Q34000S01 - Siemens - 40 Amp Molded Case Circuit Breaker
    Plug-In - 40 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    Q330H - Siemens 30 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    Q330H - Siemens - 30 Amp 22kA Circuit Breaker
    Plug-In - 30 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    Q320H - Siemens 20 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    Q320H - Siemens - 20 Amp 22kA Circuit Breaker
    Plug-In - 20 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    Q32000S01 - Siemens 20 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    Q32000S01 - Siemens - 20 Amp Molded Case Circuit Breaker
    Plug-In - 20 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    Sale
    NGB3B125B - Siemens - Molded Case Circuit Breaker
    NGB3B125B - Siemens - Molded Case Circuit Breaker
    Bolt On - 125 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $1,009 CAD
    Sale
    NGB3B080B - Siemens - Molded Case Circuit Breaker
    NGB3B080B - Siemens - Molded Case Circuit Breaker
    Bolt On - 80 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $296 CAD
    MXD63S800A - Siemens - Molded Case Circuit Breaker
    MXD63S800A - Siemens - Molded Case Circuit Breaker
    Bolt On - 800 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    JXD63B400 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 400 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    JXD23B400 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 400 Amp - 3 Pole - 240 Volt
    Siemens/ITE
    Sale
    HFXD63B200 - Siemens - Molded Case Circuit Breaker
    HFXD63B200 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 200 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $1,054 CAD
    Sale
    HFXD63B175 - Siemens - Molded Case Circuit Breaker
    HFXD63B175 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 175 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $1,082 CAD
    HEB3B070B - Siemens - Molded Case Circuit Breaker
    HEB3B070B - Siemens - Molded Case Circuit Breaker
    Bolt-on - 70 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    HEB3B050B - Siemens - Molded Case Circuit Breaker
    HEB3B050B - Siemens - Molded Case Circuit Breaker
    Bolt-on - 50 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    HEB3B040B - Siemens - Molded Case Circuit Breaker
    HEB3B040B - Siemens - Molded Case Circuit Breaker
    Bolt-on - 40 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Sale
    FXD63H150 - Siemens - Molded Case Circuit Breaker
    FXD63H150 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 150 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $400 CAD
    Sale
    FXD63B250 - Siemens - Molded Case Circuit Breaker
    FXD63B250 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 250 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $400 CAD
    Sale
    FXD63B100 - Siemens - Molded Case Circuit Breaker
    FXD63B100 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 100 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $340 CAD
    Sale
    FXD63B080 - Siemens - Molded Case Circuit Breaker
    FXD63B080 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 80 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $340 CAD
    Sale
    FXD63A150 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 150 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $500 CAD
    ED63A005 - Siemens - Molded Case Circuit Breaker
    ED63A005 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 5 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED43B125L - Siemens - Molded Case Circuit Breaker
    ED43B125L - Siemens - Molded Case Circuit Breaker
    ED43B125L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 125 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED43B060L - Siemens - Molded Case Circuit Breaker
    ED43B060L - Siemens - Molded Case Circuit Breaker
    ED43B060L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 60 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED43B020L - Siemens - Molded Case Circuit Breaker
    ED43B020L - Siemens - Molded Case Circuit Breaker
    ED43B020L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 20 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED23B100L - Siemens - Molded Case Circuit Breaker
    ED23B100L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 240 Volt
    Siemens/ITE
    CMD63B800 - Siemens - Molded Case Circuit Breaker
    CMD63B800 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 800 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CFD63B250 - Siemens - Molded Case Circuit Breaker
    CFD63B250 - Siemens - Molded Case Circuit Breaker
    CFD63B250 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 250 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CFD63B200 - Siemens - Molded Case Circuit Breaker
    CFD63B200 - Siemens - Molded Case Circuit Breaker
    CFD63B200 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 200 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CFD63B100 - Siemens - Molded Case Circuit Breaker
    CFD63B100 - Siemens - Molded Case Circuit Breaker
    CFD63B100 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CED63B100L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CED63B050L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CED63A100 - Siemens - Molded Case Circuit Breaker
    CED63A100 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    Siemens / ITE
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