Circuit Breakers

2576 products

    Shop our wide selection of Siemens, GE, Eaton Cutler-Hammer, Square D circuit breakers and more.
    2576 products
    A2L1LPK - Eaton - Circuit Breaker Bell Alarms
    A2L1LPK - Eaton - Circuit Breaker Bell Alarms
    Eaton Cutler-Hammer
    A2L1RPK - Eaton - Circuit Breaker Bell Alarms
    A2L1RPK - Eaton - Circuit Breaker Bell Alarms
    Eaton Cutler-Hammer
    Sale
    RGC320033E - Eaton - Molded Case Circuit Breaker
    RGC320033E - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 2000 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $17,306 CAD
    Sale
    NGS308033E - Eaton - Molded Case Circuit Breaker
    NGS308033E - Eaton - Molded Case Circuit Breaker
    Bolt-On - 800 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,439 CAD
    Sale
    NGH312032E - Eaton - Molded Case Circuit Breaker
    NGH312032E - Eaton - Molded Case Circuit Breaker
    Bolt-On - 1200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $4,573 CAD
    Sale
    NGS312036E - Eaton - Molded Case Circuit Breaker
    NGS312036E - Eaton - Molded Case Circuit Breaker
    Bolt-On - 1200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $4,079 CAD
    Sale
    NGH308033E - Eaton - Molded Case Circuit Breaker
    NGH308033E - Eaton - Molded Case Circuit Breaker
    Bolt-On - 800 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $4,631 CAD
    Sale
    NGS312033E - Eaton - Molded Case Circuit Breaker
    NGS312033E - Eaton - Molded Case Circuit Breaker
    Bolt-On - 1200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,787 CAD
    Sale
    ND312T35W - Eaton - Molded Case Circuit Breaker
    ND312T35W - Eaton - Molded Case Circuit Breaker
    Bolt-On - 1200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $12,281 CAD
    Sale
    NGH312036EC - Eaton - Molded Case Circuit Breaker
    NGH312036EC - Eaton - Molded Case Circuit Breaker
    Bolt-On - 1200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $7,746 CAD
    Sale
    NGH312033E - Eaton - Molded Case Circuit Breaker
    NGH312033E - Eaton - Molded Case Circuit Breaker
    Bolt-On - 1200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $5,348 CAD
    Sale
    MDL3600 - Eaton - Molded Case Circuit Breaker
    MDL3600 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 600 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $4,926 CAD
    Sale
    NDC312T35W - Eaton - Molded Case Circuit Breaker
    NDC312T35W - Eaton - Molded Case Circuit Breaker
    Bolt-On - 1200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $19,116 CAD
    Sale
    MDL3700 - Eaton - Molded Case Circuit Breaker
    MDL3700 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 700 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,835 CAD
    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
    LD3300 - Eaton - Molded Case Circuit Breaker
    LD3300 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 300 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,444 CAD
    Sale
    KDC3300 - Eaton - Molded Case Circuit Breaker
    KDC3300 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 300 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,592 CAD
    Sale
    KD3350 - Eaton - Molded Case Circuit Breaker
    KD3350 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 350 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $564 CAD
    Sale
    KDC3350 - Eaton - Molded Case Circuit Breaker
    KDC3350 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 350 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $851 CAD
    Sale
    KDC3225 - Eaton - Molded Case Circuit Breaker
    KDC3225 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 225 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,151 CAD
    Sale
    KD3125 - Eaton - Molded Case Circuit Breaker
    KD3125 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 125 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $668 CAD
    Sale
    KD3100 - Eaton - Molded Case Circuit Breaker
    KD3100 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,267 CAD
    Limited availability
    JGH3250FAGC - Eaton - Molded Case Circuit Breaker
    JGH3250FAGC - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 250 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,554 CAD
    Sale
    KDB3250 - Eaton - Molded Case Circuit Breaker
    KDB3250 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 250 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,449 CAD
    A1L3RPK - Eaton - Circuit Breaker Switch
    A1L3RPK - Eaton - Circuit Breaker Switch
    Eaton Cutler-Hammer
    Sale
    JDB3175 - Eaton - Molded Case Circuit Breaker
    JDB3175 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,146 CAD
    Sale
    JDB3100 - Eaton - Molded Case Circuit Breaker
    JDB3100 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,331 CAD
    Sale
    JD3250KW - Eaton - Molded Case Circuit Breaker
    JD3250KW - Eaton - Molded Case Circuit Breaker
    Bolt-On - 250 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,839 CAD
    Sale
    JDC3250 - Eaton - Molded Case Circuit Breaker
    JDC3250 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 250 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,579 CAD
    Sale
    JDC3200 - Eaton - Molded Case Circuit Breaker
    JDC3200 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,800 CAD
    Sale
    JD3100 - Eaton - Molded Case Circuit Breaker
    JD3100 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $497 CAD
    Sale
    HND3800T36W - Eaton - Molded Case Circuit Breaker
    HND3800T36W - Eaton - Molded Case Circuit Breaker
    Bolt-On - 800 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $13,125 CAD
    Sale
    JD3250 - Eaton - Molded Case Circuit Breaker
    JD3250 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 250 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $501 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
    HKD3250 - Eaton - Molded Case Circuit Breaker
    HKD3250 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 250 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $830 CAD
    Sale
    JD3175 - Eaton - Molded Case Circuit Breaker
    JD3175 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,402 CAD
    Sale
    HKD3150 - Eaton - Molded Case Circuit Breaker
    HKD3150 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,793 CAD
    Limited availability
    HJD3250K - Eaton - Molded Case Circuit Breaker
    HJD3250K - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 250 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $611 CAD
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