Molded Case Breakers

228 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    228 products
    HEB1B050B - Siemens - Molded Case
    HEB1B050B - Siemens - Molded Case
    Bolt-On - 50 Amp - 1 Pole - 277 V
    Siemens
    HEB1B045B - Siemens - Molded Case
    HEB1B045B - Siemens - Molded Case
    Bolt-On - 45 Amp - 1 Pole - 277 V
    Siemens
    Sold Out
    HEB1B040B - Siemens - Molded Case
    HEB1B040B - Siemens - Molded Case
    Bolt-On - 40 Amp - 1 Pole - 277 V
    Siemens
    HEB1B035B - Siemens - Molded Case
    HEB1B035B - Siemens - Molded Case
    Bolt-On - 35 Amp - 1 Pole - 277 V
    Siemens
    HEB1B025B - Siemens - Molded Case
    HEB1B025B - Siemens - Molded Case
    Bolt-On - 25 Amp - 1 Pole - 277 V
    Siemens
    GHBGFEP1040 - Eaton - Molded Case Circuit Breakers
    GHBGFEP1040 - Eaton - Molded Case Circuit Breakers
    Eaton
    GHBGFEP1015 - Eaton - Molded Case Circuit Breakers
    GHBGFEP1015 - Eaton - Molded Case Circuit Breakers
    Eaton
    Sale
    EGB14040 - Square D - Molded Case Circuit Breaker
    EGB14040 - Square D - Molded Case Circuit Breaker
    Bolt On - 40 Amp - 1 Pole - 277 Volt
    Schneider
    Save $52.01 CAD
    GHC1100 - Eaton - Molded Case Circuit Breaker
    GHC1100 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 100 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    HFD1150L - Eaton - Molded Case Circuit Breaker
    HFD1150L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 150A - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Sale
    HFD1125L - Eaton - Molded Case Circuit Breaker
    HFD1125L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 125A - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $981.93 CAD
    Sale
    HFD1080L - Eaton - Molded Case Circuit Breaker
    HFD1080L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 80A - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $374.50 CAD
    Sale
    HFD1070L - Eaton - Molded Case Circuit Breaker
    HFD1070L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 70A - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $374.50 CAD
    Sale
    FD1150L - Eaton - Molded Case Circuit Breaker
    FD1150L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 150A - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $78 CAD
    Sale
    FD1125L - Eaton - Molded Case Circuit Breaker
    FD1125L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 125A - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $78 CAD
    Sale
    FD1100L - Eaton - Molded Case Circuit Breaker
    FD1100L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 100A - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $87 CAD
    Sale
    FD1080L - Eaton - Molded Case Circuit Breaker
    FD1080L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 80A - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $87 CAD
    Sale
    FD1070L - Eaton - Molded Case Circuit Breaker
    FD1070L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 70A - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $87 CAD
    EHD1100L - Eaton - Molded Case Circuit Breaker
    EHD1100L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 160 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    HFD1100 - Eaton - Molded Case Circuit Breaker
    HFD1100 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    HFD1090 - Eaton - Molded Case Circuit Breaker
    HFD1090 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Sold Out
    HFD1060 - Eaton - Molded Case Circuit Breaker
    HFD1060 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 60 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    HFD1050 - Eaton - Molded Case Circuit Breaker
    HFD1050 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    HFD1040 - Eaton - Molded Case Circuit Breaker
    HFD1040 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Sale
    HFD1030 - Eaton - Molded Case Circuit Breaker
    HFD1030 (277V)- Eaton - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $162.32 CAD
    HFD1025 - Eaton Cutler-Hammer 25 Amp 1 Pole 277 Volt Feed-Thru Molded Case Circuit Breaker
    HFD1025 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 25 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    HFD1020 - Eaton - Molded Case Circuit Breaker
    HFD1020 (277V)- Eaton - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    HFD1015 - Eaton - Molded Case Circuit Breaker
    HFD1015 (277V) - Eaton - Molded Case Circuit Breaker
    Bolt-On - 15 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    HED41B100L - Siemens - Molded Case Circuit Breaker
    HED41B100L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 1 Pole - 277 Volt
    Siemens/ITE
    HED41B035L - Siemens - Molded Case Circuit Breaker
    HED41B035L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 35 Amp - 1 Pole - 277 Volt
    Siemens/ITE
    HED41B030L - Siemens - Molded Case Circuit Breaker
    HED41B030L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 1 Pole - 277 Volt
    Siemens/ITE
    HED41B015L - Siemens - Molded Case Circuit Breaker
    HED41B015L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 15 Amp - 1 Pole - 277 Volt
    Siemens/ITE
    Sale
    FD1090L - Eaton Cutler-Hammer 90 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    FD1090L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 90A - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $140 CAD
    Sale
    FD1060 - Eaton - Molded Case Circuit Breaker
    FD1060 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 60 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $100 CAD
    Sale
    FD1050 - Eaton - Molded Case Circuit Breaker
    FD1050 (277V)- Eaton - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $100 CAD
    Sale
    FD1045 - Eaton - Molded Case Circuit Breaker
    FD1045 (277V)- Eaton - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $100 CAD
    Sold Out
    FD1040 - Eaton - Molded Case Circuit Breaker
    FD1040 (277V)- Eaton - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $100 CAD
    Sale
    FD1035 - Eaton - Molded Case Circuit Breaker
    FD1035 (277V) - Eaton - Molded Case Circuit Breaker
    Bolt-On - 35 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $100 CAD
    Sale
    FD1030 - Eaton - Molded Case Circuit Breaker
    FD1030 (277V)- Eaton - Molded Case Circuit Breaker
    Bolt On - 30 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $100 CAD
    Sold Out
    FD1025 - Eaton - Molded Case Circuit Breaker
    FD1025 (277V)- Eaton - Molded Case Circuit Breaker
    Bolt-On - 25 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $100 CAD
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