Molded Case Breakers

7536 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7536 products
    HDA260602 - Square D - Molded Case Circuit Breaker
    HDA260602 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - - 60 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Sale
    BDA261001 - Square D - Molded Case Circuit Breaker
    BDA261001 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Save $311.01 CAD
    Sale
    BDA260151 - Square D - Molded Case Circuit Breaker
    BDA260151 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 15 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Save $203.01 CAD
    Sale
    PDG23F0150TFFJ - Eaton - Molded Case Circuit Breaker
    PDG23F0150TFFJ - Eaton - Molded Case Circuit Breaker
    Feed Thru - 150 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $234 CAD
    Sale
    JGE3200AAG - Eaton - Molded Case Circuit Breaker
    JGE3200AAG - Eaton - Molded Case Circuit Breaker
    Feed Thru - 200A - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $403 CAD
    Sale
    FD1150L - Eaton - Molded Case Circuit Breaker
    FD1150L (347V) - Eaton - Molded Case Circuit Breaker
    Feed Thru - 150A - 1 Pole - 347 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
    QRH22B200L - Siemens - Molded Case Circuit Breaker
    QRH22B200L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 200 Amp - 2 Pole - 240 Volt
    Siemens/ITE
    NGG3B015 - Siemens - Molded Case Circuit Breaker
    NGG3B015 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 15 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Sale
    HFD2070 - Eaton - Molded Case Circuit Breaker
    HFD2070 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 70 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $318 CAD
    Sale
    HFD2040 - Eaton - Molded Case Circuit Breaker
    HFD2040 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $404 CAD
    Sale
    HFD2025 - Eaton - Molded Case Circuit Breaker
    HFD2025 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 25 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $327 CAD
    Sale
    HFD1030 (277V)- Eaton - Molded Case Circuit Breaker
    HFD1030 (277V)- Eaton - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $198 CAD
    HFD1020 (277V)- Eaton - Molded Case Circuit Breaker
    HFD1020 (277V)- Eaton - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Sale
    FXD63A150L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 150 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $500 CAD
    Sale
    FDC3175 - Eaton - Molded Case Circuit Breaker
    FDC3175 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $600 CAD
    Sale
    FDC3110 - Eaton - Molded Case Circuit Breaker
    FDC3110 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 110 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $600 CAD
    Sale
    FDC3025 - Eaton - MoldedCase Circuit Breakers
    FDC3025 - Eaton - MoldedCase Circuit Breakers
    Bolt-On - 25 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $651 CAD
    Sale
    FDB2060 - Eaton - Molded Case Circuit Breaker
    FDB2060 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 60 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $52 CAD
    Sale
    FDB2050 - Eaton - Molded Case Circuit Breaker
    FDB2050 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $110 CAD
    Sale
    FDB2030 - Eaton - Molded Case Circuit Breaker
    FDB2030 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $100 CAD
    Sale
    FDB2020 - Eaton - Molded Case Circuit Breaker
    FDB2020 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $100 CAD
    Sale
    FD2050 - Eaton - Molded Case Circuit Breaker
    FD2050 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $160 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
    Sale
    EHD3080 - Eaton - Molded Case Circuit Breaker
    EHD3080 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 80 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    Save $160 CAD
    Sale
    EHD3050 - Eaton - Molded Case Circuit Breaker
    EHD3050 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    Save $140 CAD
    Sale
    EHD2030 - Eaton - Molded Case Circuit Breaker
    EHD2030 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 2 Pole - 480 Volt
    Eaton Cutler-Hammer
    Save $100 CAD
    EHD1015 - Eaton - Molded Case Circuit Breaker
    EHD1015 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 15 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Sale
    ED3225 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 225 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $200 CAD
    Limited availability
    HMCPS050K2 - Eaton Molded Case Circuit Breaker
    HMCPS050K2 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,033 CAD
    Sale
    HMCP250W5 - Eaton Molded Case Circuit Breaker
    HMCP250W5 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 250 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $417 CAD
    Sale
    TQD32225 - GE - Molded Case Circuit Breaker
    TQD32225 - GE - Molded Case Circuit Breaker
    Feed-Thru - 225 Amp - 3 Pole - 240 Volt
    GE
    Save $550.01 CAD
    Sale
    THQC32050 - GE - Molded Case Circuit Breaker
    THQC32050 - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 3 Pole - 240 Volt
    GE
    Save $102.01 CAD
    THQC1115 - GE - Molded Case Circuit Breaker
    THQC1115 - GE - Molded Case Circuit Breaker
    Feed-Thru - 15 Amp - 1 Pole - 120 Volt
    GE
    EDB2175L - Eaton - Molded Case Circuit Breaker
    EDB2175L - Eaton - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    LXD63B600L - Siemens - 600 Amp Molded Case Circuit Breaker
    Bolt-On - 600 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Sale
    BDA34100Y - Square D 100 Amp 3 Pole 480 Volt Plug-In Molded Case Circuit Breaker
    BDA34100Y - Square D - 100 Amp Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $311.01 CAD
    QBH1020GF - Eaton Cutler-Hammer 20 Amp 1 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QBH1020GF - Eaton - 20 Amp GFCI Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Sale
    CQD6350 - Siemens - 50 Amp Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $756.01 CAD
    Sale
    JXD23B400L - Siemens 400 Amp 3 Pole 240 Volt Feed Thru Molded Case Circuit Breaker
    JXD23B400L - Siemens - 400 Amp Molded Case Circuit Breaker
    Bolt-In - 400 Amp - 3 Pole - 240 Volt
    Siemens/ITE
    Save $4,822.01 CAD
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