Molded Case Breakers

228 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    228 products
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    FD1015 - Eaton - Molded Case Circuit Breaker
    FD1015 (277V) - Eaton - Molded Case Circuit Breaker
    Bolt On - 15 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $100 CAD
    EHD1090 - Eaton - Molded Case Circuit Breaker
    EHD1090 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    EHD1080 - Eaton - Molded Case Circuit Breaker
    EHD1080 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 80 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    EHD1070 - Eaton - Molded Case Circuit Breaker
    EHD1070 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 70 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
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    EHD1060 - Eaton - Molded Case Circuit Breaker
    EHD1060 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 60 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    EHD1050 - Eaton - Molded Case Circuit Breaker
    EHD1050 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    EHD1045 - Eaton - Molded Case Circuit Breaker
    EHD1045 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    EHD1040 - Eaton - Molded Case Circuit Breaker
    EHD1040 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
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    EHD1035 - Eaton - Molded Case Circuit Breaker
    EHD1035 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 35 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    EHD1030 - Eaton - Molded Case Circuit Breaker
    EHD1030 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    EHD1025 - Eaton - Molded Case Circuit Breaker
    EHD1025 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 25 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    EHD1020 - Eaton - Molded Case Circuit Breaker
    EHD1020 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    EHD1015 - Eaton - Molded Case Circuit Breaker
    EHD1015 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 15 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    EHD1010 - Eaton - Molded Case Circuit Breaker
    EHD1010 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 10 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
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    HFD1025L - Eaton Cutler-Hammer 25 Amp 1 Pole 277 Volt Feed-Thru Molded Case Circuit Breaker
    HFD1025L - Eaton - 25 Amp Molded Case Circuit Breaker
    Bolt-On - 25 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $373.32 CAD
    HED41B050L - Siemens 50 Amp 1 Pole 277 Volt Feed Thru Molded Case Circuit Breaker
    HED41B050L - Siemens - 50 Amp Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 1 Pole - 277 Volt
    Siemens/ITE
    HED41B060L - Siemens 60 Amp 1 Pole 277 Volt Feed Thru Molded Case Circuit Breaker
    HED41B060L - Siemens - 60 Amp Molded Case Circuit Breaker
    Bolt-On - 60 Amp - 1 Pole - 277 Volt
    Siemens/ITE
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    HED41B040L - Siemens 40 Amp 1 Pole 277 Volt Feed Thru Molded Case Circuit Breaker
    HED41B040L - Siemens - 40 Amp Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 1 Pole - 277 Volt
    Siemens/ITE
    HED41B020L - Siemens 20 Amp 1 Pole 277 Volt Feed Thru Molded Case Circuit Breaker
    HED41B020L - Siemens - 20 Amp Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 277 Volt
    Siemens/ITE
    Sale
    FD1090 - Eaton Cutler-Hammer 90 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    FD1090 - Eaton - 90 Amp Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $140 CAD
    THED113015 - GE 15 Amp 1 Pole 277 Volt Molded Case Circuit Breaker
    THED113015 - GE - Molded Case Circuit Breaker
    Feed-Thru - 15 Amp - 1 Pole - 277 Volt
    GE
    THED113020 - GE 20 Amp 1 Pole 277 Volt Molded Case Circuit Breaker
    THED113020 - GE - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 1 Pole - 277 Volt
    GE
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    THED113030 - GE 30 Amp 1 Pole 277 Volt Molded Case Circuit Breaker
    THED113030 - GE - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 1 Pole - 277 Volt
    GE
    TED113030 - GE 30 Amp 1 Pole 277 Volt Molded Case Circuit Breaker General Electric Lug
    TED113030 - GE - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 1 Pole - 277 Volt
    GE
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    TED113040 - GE 40 Amp 1 Pole 277 Volt Molded Case Circuit Breaker General Electric Lug
    TED113040 - GE - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 1 Pole - 277 Volt
    GE
    TED113050 - GE 50 Amp 1 Pole 277 Volt Molded Case Circuit Breaker General Electric Lug
    TED113050 - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 1 Pole - 277 Volt
    GE
    TED113060 - GE 60 Amp 1 Pole 277 Volt Molded Case Circuit Breaker General Electric Lug
    TED113060 - GE - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 1 Pole - 277 Volt
    GE
    TED113010 - GE 10 Amp 1 Pole 277 Volt Molded Case Circuit Breaker General Electric Lug
    TED113010 - GE - Molded Case Circuit Breaker
    Feed-Thru - 10 Amp - 1 Pole - 277 Volt
    GE
    TED113080 - GE 80 Amp 1 Pole 277 Volt Molded Case Circuit Breaker General Electric Lug
    TED113080 - GE - Molded Case Circuit Breaker
    Feed-Thru - 80 Amp - 1 Pole - 277 Volt
    GE
    TED113090 - GE 90 Amp 1 Pole 277 Volt Molded Case Circuit Breaker General Electric Lug
    TED113090 - GE - Molded Case Circuit Breaker
    Feed-Thru - 90 Amp - 1 Pole - 277 Volt
    GE
    TED113100 - GE 100 Amp 1 Pole 277 Volt Molded Case Circuit Breaker General Electric Lug
    TED113100 - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 1 Pole - 277 Volt
    GE
    TED113100WL - GE 100 Amp 1 Pole 277 Volt Molded Case Circuit Breaker General Electric Lug
    TED113100WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 1 Pole - 277 Volt
    GE
    TED113090WL - GE 90 Amp 1 Pole 277 Volt Molded Case Circuit Breaker General Electric Lug
    TED113090WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 90 Amp - 1 Pole - 277 Volt
    GE
    TED113080WL - GE 80 Amp 1 Pole 277 Volt Molded Case Circuit Breaker General Electric Lug
    TED113080WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 80 Amp - 1 Pole - 277 Volt
    GE
    TED113010WL - GE 10 Amp 1 Pole 277 Volt Molded Case Circuit Breaker General Electric Lug
    TED113010WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 10 Amp - 1 Pole - 277 Volt
    GE
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    EJB16050 - Square D 50 Amp 1 Pole 347 Volt Bolt-On Molded Case Circuit Breaker
    EJB16050 - Square D 50 Amp 1 Pole 347 Volt Bolt-On Molded Case Circuit Breaker
    EJB16050 - Square D - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 1 Pole - 347 Volt
    Schneider Electric
    Save $57 CAD
    Sale
    EJB14050 - Square D 50 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    EJB14050 - Square D 50 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    EJB14050 - Square D - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 1 Pole - 277 Volt
    Schneider Electric
    Save $57 CAD
    Sale
    EGB16050 - Square D 50 Amp 1 Pole 347 Volt Bolt-On Molded Case Circuit Breaker
    EGB16050 - Square D 50 Amp 1 Pole 347 Volt Bolt-On Molded Case Circuit Breaker
    EGB16050 - Square D - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 1 Pole - 277 Volt
    Schneider Electric
    Save $57 CAD
    HFD1090L - Eaton - Molded Case Circuit Breaker
    HFD1090L - Eaton - Molded Case Circuit Breaker
    Bolt-On - 90 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Sold Out
    GHC1090 - Eaton - Molded Case Circuit Breaker
    GHC1090 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 90 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
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