Circuit Breakers

213 products

    Shop our wide selection of Siemens, GE, Eaton Cutler-Hammer, Square D circuit breakers and more.
    213 products
    LGL36400U31X - Square D - Molded Case Circuit Breaker
    Feed Thru - 400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    LGL36400U33X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LGL36400U33X - Square D - Molded Case Circuit Breaker
    Feed Thru - 400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    LDA36400U31X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LDA36400U31X - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    LAL26400 - Square D 400 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    LAL26400 - Square D - Molded Case Circuit Breaker
    Feed Thru - 400 Amp - 2 Pole - 600 Volt
    Schneider Electric
    JXD63B400H - Siemens - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    HJXD63B400H - Siemens - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    SGPC3604L4XX - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    SGHC3604L4XX - General Electric 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGHC3604L4XX - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    SGHA26AT0400 - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 2 Pole - 600 Volt
    GE
    SGLL3604L4XX - General Electric 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGLL3604L4XX - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    Sale
    LGMPS400G - Eaton - Molded Case Circuit Breaker
    LGMPS400G - Eaton - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,777 CAD
    Sale
    LDC3400 - Eaton - Molded Case Circuit Breaker
    LDC3400 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,841 CAD
    Sale
    LD3400 - Eaton - Molded Case Circuit Breaker
    LD3400 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,174 CAD
    Sale
    HKD3400W - Eaton - Molded Case Circuit Breaker
    HKD3400W - Eaton - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $641 CAD
    Sale
    HKD3400K - Eaton - Molded Case Circuit Breaker
    HKD3400K - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,392 CAD
    Sale
    DK3400W - Eaton - Molded Case Circuit Breaker
    DK3400W - Eaton - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 2 Volt
    Eaton Cutler-Hammer
    Save $2,267 CAD
    Sale
    CKD3400F - Eaton - Molded Case Circuit Breaker
    CKD3400F - Eaton - Molded Case Circuit Breaker
    400 Amp - 600 Volt
    Eaton Cutler-Hammer
    Save $608 CAD
    Sale
    LRA36400U31X - Square D - Molded Case Circuit Breaker
    LRA36400U31X - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $2,600 CAD
    Sale
    HMCP400Y5C - Eaton - Molded Case Circuit Breaker
    HMCP400Y5C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,806 CAD
    Sale
    HMCP400W5C - Eaton - Molded Case Circuit Breaker
    HMCP400W5C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $966 CAD
    Sale
    HMCP400N5C - Eaton - Molded Case Circuit Breaker
    HMCP400N5C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,021 CAD
    Sale
    HMCP400K5C - Eaton - Molded Case Circuit Breaker
    HMCP400K5C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,172 CAD
    Sale
    HMCP400K5 - Eaton - Molded Case Circuit Breaker
    HMCP400K5 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,158 CAD
    Sale
    HMCP400F5C - Eaton - Molded Case Circuit Breaker
    HMCP400F5C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,279 CAD
    SGLC3604L7XX - GE 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGLC3604L7XX - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    SGLC3604L5XX - GE 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGLC3604L5XX - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    SGLC3604L3XX - GE 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGLC3604L3XX - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    Limited availability
    SG400S - GE 400 Amp Circuit Breaker Enclosure
    SG400S - GE - 400 Amp Circuit Breaker Enclosure
    400 Amp
    GE
    JXD22B400 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 2 Pole - 240 Volt
    Siemens/ITE
    JXD63L400 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 400 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    JXD63H400 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 400 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    HJXD63S400A - Siemens - Molded Case Circuit Breaker
    Bolt-on - 400 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    HJXD63B400 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 400 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    CJD63S400A - Siemens - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CJD63L400 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CJD63H400 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CJD63B400 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    TJK436400WL - GE 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    TJK436400WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    GE
    SGDA36AN0400 - GE 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGDA36AN0400 - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    SGDA32AT0400 - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 240 Volt
    GE
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