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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    EGB34040 - Square D 40 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EGB34040 - Square D 40 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EGB34040 - Square D - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $190 CAD
    ED22B040 - Siemens - Molded Case Circuit Breaker
    ED22B040 - Siemens - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 2 Pole - 240 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
    CQD340 - Siemens - Molded Case Circuit Breaker
    CQD340 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 3 Pole - 480 Volt
    Siemens / ITE
    CQD240 - Siemens - Molded Case Circuit Breaker
    CQD240 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 480 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
    NGB3B040B - Siemens - Molded Case Circuit Breaker
    NGB3B040B - Siemens - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    NGB2B040B - Siemens - Molded Case Circuit Breaker
    NGB2B040B - Siemens - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 2 Pole - 600 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
    NEB3B040B - Siemens - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Sold Out
    NEB2B040B - Siemens - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    HEB2B040B - Siemens - Molded Case Circuit Breaker
    HEB2B040B - Siemens - Molded Case Circuit Breaker
    Bolt-on - 40 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    ED62B040L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 600 Volt
    Siemens/ITE
    ED43B040L - Siemens 40 Amp 3 Pole 480 Volt Molded Case Circuit Breaker
    ED43B040L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    ED42B040L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 2 Pole - 480 Volt
    Siemens/ITE
    ED41B040L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 1 Pole - 120 Volt
    Siemens/ITE
    ED23B040L - Siemens - Molded Case Circuit Breaker
    ED23B040L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 3 Pole - 240 Volt
    Siemens/ITE
    ED22B040L - Siemens - Molded Case Circuit Breaker
    ED22B040L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 2 Pole - 240 Volt
    Siemens/ITE
    CED63B040L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CED63A040 - Siemens - Molded Case Circuit Breaker
    CED63A040 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    FBH36TE040RV - GE - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 600 Volt
    GE
    THQC32040WL - GE - Molded Case Circuit Breaker
    THQC32040WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 3 Pole - 240 Volt
    GE
    THQC1140WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 1 Pole - 120 Volt
    GE
    THQB32040ST1 - GE - 40 Amp Shunt Trip Circuit Breaker
    THQB32040ST1 - GE - 40 Amp Shunt Trip Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 240 Volt
    GE
    Sold Out
    THQB2140ST1 - GE - 40 Amp Shunt Trip Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    GE
    Sold Out
    THQB2140GFEP - GE 40 Amp 2 Pole 30 mA Ground Fault (GFCI) Breaker
    THQB2140GFEP - GE - 40 Amp 30 mA Ground Fault (GFEP) Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    GE
    B340HH - Siemens - 40 Amp 22kA Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    B340H - Siemens - 40 Amp 22kA Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    B34000S01 - Siemens - 40 Amp Shunt Trip Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    B240HH - Siemens 40 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    B240HH - Siemens - 40 Amp 22kA Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    B24000S01 - Siemens - 40 Amp Shunt Trip Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    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
    BQD6240 - Siemens 40 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    BQD6240 - Siemens - 40 Amp Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    BQD240 - Siemens 40 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    BQD240 - Siemens - 40 Amp Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 480 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
    BQ3B040H - Siemens 40 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    BQ3B040H - Siemens - 40 Amp Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    Sold Out
    BQ3B04000S01 - Siemens 40 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    BQ3B04000S01 - Siemens - 40 Amp Shunt Trip Circuit Breaker
    Bolt-On - 40 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    BQ2B04000S01 - Siemens 40 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    BQ2B04000S01 - Siemens - 40 Amp Shunt Trip Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 240 Volt
    Siemens / ITE
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