Circuit Breakers

153 products

    Shop our wide selection of Siemens, GE, Eaton Cutler-Hammer, Square D circuit breakers and more.
    153 products
    Q245 - Siemens 45 Amp Double Pole Circuit Breaker
    Q245 - Siemens - 45 Amp Circuit Breaker
    Plug-In - 45 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    QO245 - Square D 45 Amp Double Pole Circuit Breaker
    QO245 - Square D - 45 Amp Circuit Breaker
    Plug-In - 45 Amp - 2 Pole - 240 Volt
    Schneider Electric
    BR245 - Eaton Cutler-Hammer 45 Amp Double Pole Circuit Breaker
    BR245 - Eaton - 45 Amp Circuit Breaker
    Plug-In - 45 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Sold Out
    BAB2045 - Eaton Cutler-Hammer 45 Amp Double Pole Bolt-On Circuit Breaker
    BAB2045 - Eaton - 45 Amp Circuit Breaker
    Bolt-On - 45 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $16.20 CAD
    THQL2145 - GE 45 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    THQL2145 - GE - Circuit Breaker
    Plug-In - 45 Amp - 2 Pole - 240 Volt
    GE
    QO145 - Square D 45 Amp Single Pole Circuit Breaker
    QO145 - Square D 45 Amp Single Pole Circuit Breaker
    QO145 - Square D - 45 Amp Circuit Breaker
    Plug-In - 45 Amp - 1 Pole - 120 Volt
    Schneider Electric
    Sale
    BAB3045H - Eaton - 45 Amp Circuit Breaker
    BAB3045H - Eaton - 45 Amp Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $113 CAD
    QO345 - Square D 45 Amp 3 Pole Circuit Breaker
    QO345 - Square D - 45 Amp Circuit Breaker
    Plug-In - 45 Amp - 3 Pole - 240 Volt
    Schneider Electric
    GBH3045 - Eaton - Molded Case Circuit Breaker
    GBH3045 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    B245 - Siemens 45 Amp Double Pole Bolt-On Circuit Breaker
    B245 - Siemens - 45 Amp Circuit Breaker
    Bolt-On - 45 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    THQB2145 - GE 45 Amp Double Pole Bolt-On Circuit Breaker
    THQB2145 - GE - 45 Amp Circuit Breaker
    Bolt-On - 45 Amp - 2 Pole - 240 Volt
    GE
    B345 - Siemens 45 Amp 3 Pole Bolt-On Circuit Breaker
    B345 - Siemens - 45 Amp Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    Sold Out
    QOB345 - Square D 45 Amp 3 Pole Bolt-On Circuit Breaker
    QOB345 - Square D - 45 Amp Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 240 Volt
    Schneider Electric
    Sale
    QO245GFI - Square D 45 Amp Double Pole GFCI Circuit Breaker
    QO245GFI - Square D - 45 Amp GFCI Circuit Breaker
    Plug-In - 45 Amp - 2 Pole - 240 Volt
    Schneider Electric
    Save $233.01 CAD
    Sold Out
    EJB36045 - Square D 45 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EJB36045 - Square D 45 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EJB36045 - Square D - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $750 CAD
    ED43B045 - Siemens - Molded Case Circuit Breaker
    Bolt On - 45 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    THQC2145WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 45 Amp - 2 Pole - 240 Volt
    GE
    QOU345 - Square D 45 Amp 3 Pole 240 Volt Miniature Circuit Breaker
    QOU345 - Square D - 45 Amp Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 240 Volt
    Schneider Electric
    Q145 - Siemens 45 Amp Single Pole Circuit Breaker
    Q145 - Siemens - 45 Amp Circuit Breaker
    Plug-In - 45 Amp - 1 Pole - 120 Volt
    Siemens / ITE
    Q345 - Siemens 45 Amp 3 Pole Circuit Breaker
    Q345 - Siemens - 45 Amp Circuit Breaker
    Plug-In - 45 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    FD3045 - Eaton - Molded Case Circuit Breaker
    FD3045 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    ED63B045 - Siemens - Moded Case Circuit Breaker
    ED63B045 - Siemens - Moded Case Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    GD3045 - Eaton - Molded Case Circuit Breaker
    GD3045 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 45 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    Sold Out
    Q245H - Siemens 45 Amp 2 Pole 240 Volt Thermal Magnetic Circuit Breaker
    Q245H - Siemens - 45 Amp Circuit Breaker
    Plug-In - 45 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    ED61B045L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 45 Amp - 1 Pole - 600 Volt
    Siemens/ITE
    QC2045 - Eaton - Circuit Breaker
    QC2045 - Eaton - Circuit Breaker
    Feed Thru - 45 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Sold Out
    QBHW3045H - Eaton Cutler-Hammer 45 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    QBHW3045H - Eaton - 45 Amp Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Sale
    FAL36045 - Square D 45 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    FAL36045 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 45 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $339 CAD
    QOU245 - Square D 45 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QOU245 - Square D - 45 Amp Circuit Breaker
    Bolt-On - 45 Amp - 2 Pole - 240 Volt
    Schneider Electric
    EDB34045 - Square D 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB34045 - Square D - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Sale
    HJL36045 - Square D - Molded Case Circuit Breaker
    HJL36045 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 45 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $290 CAD
    THQB32045 - GE 45 Amp 3 Pole Bolt-On Circuit Breaker
    THQB32045 - GE - 45 Amp Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 240 Volt
    GE
    BQ3B045 - Siemens 45 Amp 3 Pole 120/240V BQ Bolt-On Circuit Breaker
    BQ3B045 - Siemens - 45 Amp Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    BQ2B045 - Siemens 45 Amp Double Pole 120/240V BQ Bolt-On Circuit Breaker
    BQ2B045 - Siemens - 45 Amp Circuit Breaker
    Bolt-On - 45 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    Sold Out
    QOB245 - Square D 45 Amp Double Pole Bolt-On Circuit Breaker
    QOB245 - Square D - 45 Amp Circuit Breaker
    Bolt-On - 45 Amp - 2 Pole - 240 Volt
    Schneider Electric
    HFD2045 - Eaton - Molded Case Circuit Breaker
    HFD2045 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    FDC3045 - Eaton - MoldedCase Circuit Breakers
    FDC3045 - Eaton - MoldedCase Circuit Breakers
    Bolt-On - 45 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FDC2045 - Eaton - Molded Case Circuit Breaker
    FDC2045 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    FDB2045 - Eaton - Molded Case Circuit Breaker
    FDB2045 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    FD2045 - Eaton - Molded Case Circuit Breaker
    FD2045 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $160 CAD
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