Circuit Breakers

3491 products

    Shop our wide selection of Siemens, GE, Eaton Cutler-Hammer, Square D circuit breakers and more.
    3491 products
    Limited availability
    EJB36090 - Square D 90 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EJB36090 - Square D 90 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EJB36090 - Square D - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $840 CAD
    Sale
    EGB36050 - Square D 50 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EGB36050 - Square D 50 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EGB36050 - Square D - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $510 CAD
    Limited availability
    QBHW3015HS - Eaton Cutler-Hammer 15 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QBHW3015HS - Eaton - 15 Amp Molded Case Circuit Breaker
    Bolt-On - 15 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $1,000 CAD
    Limited availability
    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
    ED43B050 - Siemens - Molded Case Circuit Breaker
    ED43B050 - Siemens - Molded Case Circuit Breaker
    ED43B050 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    Sale
    NGC308033E - Eaton - Molded Case Circuit Breaker
    NGC308033E - Eaton - Molded Case Circuit Breaker
    Bolt-On - 800 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,600 CAD
    Sale
    HMCP150T4 - Eaton - Molded Case Circuit Breaker
    HMCP150T4 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $357 CAD
    Sale
    NGC312032E - Eaton - Molded Case Circuit Breaker
    NGC312032E - Eaton - Molded Case Circuit Breaker
    Bolt-On - 1200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $6,117 CAD
    NGG3B060L - Siemens - Molded Case Circuit Breaker
    NGG3B060L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Sale
    NGH308032E - Eaton - Molded Case Circuit Breaker
    NGH308032E - Eaton - Molded Case Circuit Breaker
    Bolt-On - 800 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $7,007 CAD
    Sale
    HKD3125 - Eaton - Molded Case Circuit Breaker
    HKD3125 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 125 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,780 CAD
    BRH320 - Eaton Cutler-Hammer 20 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    BRH320 - Eaton - 20 Amp Molded Case Circuit Breaker
    Plug-In - 20 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Sale
    BGA36060 - Square D 60 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    BGA36060 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $260 CAD
    Sale
    HJL36070 - Square D - Molded Case Circuit Breaker
    HJL36070 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 70 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $310 CAD
    Sale
    EDB3225L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 225 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $126 CAD
    Sale
    EJB34100 - Square D 100 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EJB34100 - Square D 100 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EJB34100 - Square D - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $390 CAD
    LGG3B030L - Siemens - Molded Case Circuit Breaker
    LGG3B030L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    LDA36400U33X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LDA36400U33X - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    LDL36400U31X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LDL36400U31X - Square D - Molded Case Circuit Breaker
    Feed Thru - 400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    LDA36600U33X - Square D 600 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LDA36600U33X - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 600 Amp - 3 Pole - 600 Volt
    Schneider Electric
    JJA36250U44X - Square D 250 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    JJA36250U44X - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 250 Amp - 3 Pole - 600 Volt
    Schneider Electric
    HJL36150M74 - Square D 150 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJL36150M74 - Square D - Molded Case Circuit Breaker
    Feed Thru - 150 Amp - 3 Pole - 600 Volt
    Schneider Electric
    TJK436Y400 - General Electric 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    TJK436Y400 - GE - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    GE
    Sale
    MDL3800 - Eaton - Circuit Breakers Load Centers
    MDL3800 - Eaton - Circuit Breakers Load Centers
    Feed-Thru - 800 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,318 CAD
    Sale
    JDB3250 - Eaton - Molded Case Circuit Breaker
    JDB3250 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 250 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,626 CAD
    Sale
    HMCP400X5 - Eaton - Molded Case Circuit Breaker
    HMCP400X5 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $966 CAD
    Sale
    HKD3350 - Eaton - Molded Case Circuit Breaker
    HKD3350 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 350 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $854 CAD
    Sale
    FDC3225 - Eaton - Molded Case Circuit Breaker
    FDC3225 - Eaton - Molded Case Circuit Breaker
    Bolt On - 225 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $600 CAD
    Limited availability
    EGB36080 - Square D 80 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36080 - Square D 80 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36080 - Square D - Molded Case Circuit Breaker
    Bolt-On - 80 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $600 CAD
    Sale
    EGB36090 - Square D 90 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36090 - Square D 90 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36090 - Square D - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $600 CAD
    Sale
    BDA36025 - Square D 25 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA36025 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 25 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $430 CAD
    Sale
    HMCP600L6W - Eaton - Molded Case Circuit Breaker
    HMCP600L6W - Eaton - Molded Case Circuit Breaker
    Bolt-On - 600 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,800 CAD
    Sale
    HKD3300 - Eaton - Molded Case Circuit Breaker
    HKD3300 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 300 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $765 CAD
    FBV36TE050RV - GE 50 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    FBV36TE050RV - GE - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 600 Volt
    GE
    Sale
    HGB3B125B - Siemens 125 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    HGB3B125B - Siemens - Molded Case Circuit Breaker
    Bolt-On - 125 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $482 CAD
    Sale
    HGB3B060B - Siemens 60 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    HGB3B060B - Siemens - Molded Case Circuit Breaker
    Bolt-On - 60 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $154 CAD
    Sale
    HGB3B030B - Siemens 30 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    HGB3B030B - Siemens - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Save $154 CAD
    CED63B050 - Siemens 50 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    CED63B050 - Siemens - Molded Case Circuit Breaker
    Bolt On - 50 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Sale
    EJB34030 - Square D 30 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EJB34030 - Square D 30 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EJB34030 - Square D - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $210 CAD
    Limited availability
    NGG3B100L - Siemens - Molded Case Circuit Breaker
    NGG3B100L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Siemens / ITE
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