Molded Case Breakers

7249 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7249 products
    Sale
    HKD3175X - Eaton Molded Case Circuit Breaker
    HKD3175X - Eaton - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,201 CAD
    Sale
    HKD3175C - Eaton Molded Case Circuit Breaker
    HKD3175C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,201 CAD
    Sale
    HKD3175W - Eaton Molded Case Circuit Breaker
    HKD3175W - Eaton - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $2,201 CAD
    Sale
    HKD3150Y - Eaton Molded Case Circuit Breaker
    HKD3150Y - Eaton - Molded Case Circuit Breaker
    Bolt-On - 150 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,000 CAD
    Sale
    HKD3150X - Eaton Molded Case Circuit Breaker
    HKD3150X - Eaton - Molded Case Circuit Breaker
    Bolt-On - 150 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,000 CAD
    Sale
    HKD3150C - Eaton Molded Case Circuit Breaker
    HKD3150C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,000 CAD
    Sale
    HKD3150W - Eaton Molded Case Circuit Breaker
    HKD3150W - Eaton - Molded Case Circuit Breaker
    Bolt-On - 150 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,000 CAD
    Sale
    HKD3125Y - Eaton Molded Case Circuit Breakers
    HKD3125Y - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 125 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,780 CAD
    Sale
    HKD3125X - Eaton Molded Case Circuit Breakers
    HKD3125X - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 125 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,780 CAD
    Sale
    HKD3125C - Eaton Molded Case Circuit Breakers
    HKD3125C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 125 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,780 CAD
    Sale
    HKD3125W - Eaton Molded Case Circuit Breakers
    HKD3125W - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 125 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,780 CAD
    Sale
    HKD3100Y - Eaton Molded Case Circuit Breakers
    HKD3100Y - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,000 CAD
    Sale
    HKD3100X - Eaton Molded Case Circuit Breakers
    HKD3100X - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,000 CAD
    Sale
    HKD3100C - Eaton Molded Case Circuit Breakers
    HKD3100C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,000 CAD
    Sale
    HKD3100W - Eaton Molded Case Circuit Breakers
    HKD3100W - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,000 CAD
    Sale
    TQD34225 - GE - Molded Case Circuit Breaker
    TQD34225 - GE - Molded Case Circuit Breaker
    Feed-Thru - 225 Amp - 3 Pole - 415 Volt
    GE
    Save $712.01 CAD
    TQD32200 - GE - Molded Case Circuit Breaker
    TQD32200 - GE - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 3 Pole - 240 Volt
    GE
    Sale
    TQD32175 - GE - Molded Case Circuit Breaker
    TQD32175 - GE - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 3 Pole - 240 Volt
    GE
    Save $809.01 CAD
    TQD32150 - GE - Molded Case Circuit Breaker
    TQD32150 - GE - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 240 Volt
    GE
    TQD32100 - GE - Molded Case Circuit Breaker
    TQD32100 - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 240 Volt
    GE
    TQD22225 - GE - Molded Case Circuit Breaker
    TQD22225 - GE - Molded Case Circuit Breaker
    Feed-Thru - 225 Amp - 2 Pole - 240 Volt
    GE
    TQD22175 - GE - Molded Case Circuit Breaker
    TQD22175 - GE - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 2 Pole - 240 Volt
    GE
    TQD22150 - GE - Molded Case Circuit Breaker
    TQD22150 - GE - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 2 Pole - 240 Volt
    GE
    TJK636500 - GE - Molded Case Circuit Breaker
    TJK636500 - GE - Molded Case Circuit Breaker
    Feed-Thru - 500 Amp - 3 Pole - 600 Volt
    GE
    TJK636450 - GE - Molded Case Circuit Breaker
    TJK636450 - GE - Molded Case Circuit Breaker
    Feed-Thru - 450 Amp - 3 Pole - 600 Volt
    GE
    TJK636400 - GE - Molded Case Circuit Breaker
    TJK636400 - GE - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    GE
    TJK636350 - GE - Molded Case Circuit Breaker
    TJK636350 - GE - Molded Case Circuit Breaker
    Feed-Thru - 350 Amp - 3 Pole - 600 Volt
    GE
    TJK636300 - GE - Molded Case Circuit Breaker
    TJK636300 - GE - Molded Case Circuit Breaker
    Feed-Thru - 300 Amp - 3 Pole - 600 Volt
    GE
    Sale
    TJK636250 - GE - Molded Case Circuit Breaker
    TJK636250 - GE - Molded Case Circuit Breaker
    Feed-Thru - 250 Amp - 3 Pole - 600 Volt
    GE
    Save $5,352.01 CAD
    Sale
    TJK436400 - GE - Molded Case Circuit Breaker
    TJK436400 - GE - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    GE
    Save $4,590.01 CAD
    Sale
    TJK436350 - GE - Molded Case Circuit Breaker
    TJK436350 - GE - Molded Case Circuit Breaker
    Feed-Thru - 350 Amp - 3 Pole - 600 Volt
    GE
    Save $4,590.01 CAD
    Sale
    TJK436300 - GE - Molded Case Circuit Breaker
    TJK436300 - GE - Molded Case Circuit Breaker
    Feed-Thru - 300 Amp - 3 Pole - 600 Volt
    GE
    Save $4,590.01 CAD
    Sale
    TJK436250 - GE - Molded Case Circuit Breaker
    TJK436250 - GE - Molded Case Circuit Breaker
    Feed-Thru - 250 Amp - 3 Pole - 600 Volt
    GE
    Save $4,450.01 CAD
    TJK436225 - GE - Molded Case Circuit Breaker
    TJK436225 - GE - Molded Case Circuit Breaker
    Feed-Thru - 225 Amp - 3 Pole - 600 Volt
    GE
    Sale
    TJK436200 - GE - Molded Case Circuit Breaker
    TJK436200 - GE - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 3 Pole - 600 Volt
    GE
    Save $4,590.01 CAD
    Sale
    TJJ436Y400WL - GE - Molded Case Circuit Breaker
    TJJ436Y400WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    GE
    Save $2,202.01 CAD
    Sale
    TJJ436250 - GE - Molded Case Circuit Breaker
    TJJ436250 - GE - Molded Case Circuit Breaker
    Feed-Thru - 250 Amp - 3 Pole - 600 Volt
    GE
    Save $4,940.01 CAD
    TJJ436225 - GE - Molded Case Circuit Breaker
    TJJ436225 - GE - Molded Case Circuit Breaker
    Feed-Thru - 225 Amp - 3 Pole - 600 Volt
    GE
    TJJ436200 - GE - Molded Case Circuit Breaker
    TJJ436200 - GE - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 3 Pole - 600 Volt
    GE
    TJJ436125 - GE - Molded Case Circuit Breaker
    Feed-Thru - 125 Amp - 3 Pole - 600 Volt
    GE
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