Circuit Breakers

2576 products

    Shop our wide selection of Siemens, GE, Eaton Cutler-Hammer, Square D circuit breakers and more.
    2576 products
    RD325T52W - Eaton - Molded Case Circuit Breaker
    RD325T52W - Eaton - Molded Case Circuit Breaker
    Bolt On - 2500 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    RD320T56W - Eaton - Molded Case Circuit Breaker
    RD320T56W - Eaton - Molded Case Circuit Breaker
    Bolt On - 2000 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    RD320T52W - Eaton - Molded Case Circuit Breaker
    RD320T52W - Eaton - Molded Case Circuit Breaker
    Bolt On - 2000 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,604 CAD
    Sale
    RD316T56W - Eaton - Molded Case Circuit Breaker
    RD316T56W - Eaton - Molded Case Circuit Breaker
    Bolt On - 1600 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $3,494 CAD
    Sale
    RD316T52W - Eaton - Molded Case Circuit Breaker
    RD316T52W - Eaton - Molded Case Circuit Breaker
    Bolt On - 1600 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,890 CAD
    Limited availability
    QCGFT2025 - Eaton - GFCI Circuit Breaker
    QCGFT2025 - Eaton - GFCI Circuit Breaker
    Feed Thru - 25 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    QCGFT1040 - Eaton - GFCI Circuit Breaker
    QCGFT1040 - Eaton - GFCI Circuit Breaker
    Feed Thru - 40 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Sale
    QCGFT1025 - Eaton - GFCI Circuit Breaker
    QCGFT1025 - Eaton - GFCI Circuit Breaker
    Feed Thru - 25 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Save $18.01 CAD
    QCGFEP2050 - Eaton - GFEP Circuit Breaker
    QCGFEP2050 - Eaton - GFEP Circuit Breaker
    Feed Thru - 50 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Limited availability
    QCGFEP2025 - Eaton - GFEP Circuit Breaker
    QCGFEP2025 - Eaton - GFEP Circuit Breaker
    Feed Thru - 25 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Limited availability
    QCGFEP1040 - Eaton - GFEP Circuit Breaker
    QCGFEP1040 - Eaton - GFEP Circuit Breaker
    Feed Thru - 40 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Save $250 CAD
    Sale
    QCGFEP1025 - Eaton - GFEP Circuit Breaker
    QCGFEP1025 - Eaton - GFEP Circuit Breaker
    Feed Thru - 25 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Save $1,138 CAD
    QBHGFT2025 - Eaton - GFCI Circuit Breaker
    Bolt On - 25 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Sale
    QBHGFT1025 - Eaton - GFCI Circuit Breaker
    Bolt On - 25 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Save $544.23 CAD
    QBHGFEP1030 - Eaton - GFEP Circuit Breaker
    Bolt On - 30 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Limited availability
    QBHGFEP1025 - Eaton - GFEP Circuit Breaker
    QBHGFEP1025 - Eaton - GFEP Circuit Breaker
    Bolt On - 25 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    NGS312036M - Eaton - Molded Case Circuit Breaker
    NGS312036M - Eaton - Molded Case Circuit Breaker
    Bolt On - 1200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    NGS312036EC - Eaton - Molded Case Circuit Breaker
    NGS312036EC - Eaton - Molded Case Circuit Breaker
    Bolt On - 1200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $24,203.01 CAD
    Sale
    NGS312033M - Eaton - Molded Case Circuit Breaker
    NGS312033M - Eaton - Molded Case Circuit Breaker
    Bolt On - 1200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $6,388 CAD
    Sale
    NGS308036M - Eaton - Molded Case Circuit Breaker
    NGS308036M - Eaton - Molded Case Circuit Breaker
    Bolt On - 800 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $6,786 CAD
    Sale
    NGS308035E - Eaton - Molded Case Circuit Breaker
    NGS308035E - Eaton - Molded Case Circuit Breaker
    Bolt On - 800 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $15,410.01 CAD
    Sale
    NGS308033M - Eaton - Molded Case Circuit Breaker
    NGS308033M - Eaton - Molded Case Circuit Breaker
    Bolt On - 800 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $4,429 CAD
    NGH312036M - Eaton - Molded Case Circuit Breaker
    NGH312036M - Eaton - Molded Case Circuit Breaker
    Bolt On - 1200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    NGH312035EC - Eaton - Molded Case Circuit Breaker
    NGH312035EC - Eaton - Molded Case Circuit Breaker
    Bolt On - 1200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $17,469.01 CAD
    Sale
    NGH312033M - Eaton - Molded Case Circuit Breaker
    NGH312033M - Eaton - Molded Case Circuit Breaker
    Bolt On - 1200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $7,138 CAD
    NGH308036M - Eaton - Molded Case Circuit Breaker
    NGH308036M - Eaton - Molded Case Circuit Breaker
    Bolt On - 800 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    NGH308036E - Eaton - Molded Case Circuit Breaker
    NGH308036E - Eaton - Molded Case Circuit Breaker
    Bolt On - 800 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $12,309.01 CAD
    Sale
    NGH308035E - Eaton - Molded Case Circuit Breaker
    NGH308035E - Eaton - Molded Case Circuit Breaker
    Bolt On - 800 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $9,858.01 CAD
    Sale
    NGH308033M - Eaton - Molded Case Circuit Breaker
    NGH308033M - Eaton - Molded Case Circuit Breaker
    Bolt On - 800 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $5,283 CAD
    Sale
    NGC312035E - Eaton - Molded Case Circuit Breaker
    NGC312035E - Eaton - Molded Case Circuit Breaker
    Bolt On - 1200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $17,203.01 CAD
    NGC308035E - Eaton - Molded Case Circuit Breaker
    NGC308035E - Eaton - Molded Case Circuit Breaker
    Bolt On - 800 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    ND3800T33W - Eaton - Molded Case Circuit Breaker
    ND3800T33W - Eaton - Molded Case Circuit Breaker
    Bolt On - 800 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $6,870 CAD
    Sale
    ND312T36W - Eaton - Molded Case Circuit Breaker
    ND312T36W - Eaton - Molded Case Circuit Breaker
    Bolt On - 1200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $10,882 CAD
    Sale
    ND312T32W - Eaton - Molded Case Circuit Breaker
    ND312T32W - Eaton - Molded Case Circuit Breaker
    Bolt On - 1200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $10,950 CAD
    Sale
    MDLB3800FT36W - Eaton - Molded Case Circuit Breaker
    MDLB3800FT36W - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $1,905 CAD
    Sale
    MDLB3800FT32W - Eaton - Molded Case Circuit Breaker
    MDLB3800FT32W - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $1,409 CAD
    Sale
    MDLB3700 - Eaton - Molded Case Circuit Breaker
    MDLB3700 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 700 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $523 CAD
    Sale
    MDLB3600 - Eaton - Molded Case Circuit Breaker
    MDLB3600 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 600 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,592 CAD
    Sale
    MDL3500 - Eaton - Molded Case Circuit Breaker
    MDL3500 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 500 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $5,447 CAD
    Sale
    MDL3400 - Eaton - Molded Case Circuit Breaker
    MDL3400 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $4,527 CAD
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