Molded Case Breakers

105 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    105 products
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    CHOM2175BB - Square D 175 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    CHOM2175BB - Square D - Molded Case Circuit Breaker
    Plug-In - 175 Amp - 2 Pole - 240 Volt
    Schneider Electric
    Sale
    FXD63B175 - Siemens - Molded Case Circuit Breaker
    FXD63B175 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 175 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Save $340 CAD
    FD3175L - Eaton - Molded Case Circuit Breaker
    FD3175L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    ED3175L - Eaton - Molded Case Circuit Breaker
    ED3175L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 3 Pole - 5 Volt
    Eaton Cutler-Hammer
    Sale
    JDA36175 - Square D - Molded Case Circuit Breaker
    JDA36175 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 175 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $220 CAD
    Sale
    HFD3175 - Eaton - Molded Case Circuit Breaker
    HFD3175 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $500 CAD
    FDC3175 - Eaton - Molded Case Circuit Breaker
    FDC3175 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    ED3175 - Eaton - Molded Case Circuit Breaker
    ED3175 - Eaton - Molded Case Circuit Breaker
    Bolt On - 175 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
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    QN2175RH - Siemens - Molded Case Circuit Breaker
    QN2175RH - Siemens - Molded Case Circuit Breaker
    Plug In - 175 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    QN2175 - Siemens - Molded Case Circuit Breaker
    QN2175 - Siemens - Molded Case Circuit Breaker
    Plug In - 175 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    HFXD63B175 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 175 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    TQD32175WL - GE - Molded Case Circuit Breaker
    TQD32175WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 3 Pole - 240 Volt
    GE
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    QBL22175 - Square D 175 Amp 2 Pole 240 Volt Thermal Magnetic Molded Case Circuit Breaker
    QBL22175 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 2 Pole - 240 Volt
    Schneider Electric
    QDA32175 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 175 Amp - 3 Pole - 240 Volt
    Schneider Electric
    QBL32175 - Square D 175 Amp 3 Pole 240 Volt Thermal Magnetic Molded Case Circuit Breaker
    QBL32175 - Square D - Molded Case Circuit Breaker
    Feed_thru - 175 Amp - 3 Pole - 240 Volt
    Schneider Electric
    Sale
    JLL36175 - Square D - Molded Case Circuit Breaker
    JLL36175 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $662 CAD
    Sale
    JGL36175 - Square D - Molded Case Circuit Breaker
    JGL36175 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $510 CAD
    Sale
    JLA36250
    JLA36175 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 150 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $700 CAD
    Sale
    JDL36175 - Square D - Molded Case Circuit Breaker
    JDL36175 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $590 CAD
    Sale
    KDC3175 - Eaton - Molded Case Circuit Breaker
    KDC3175 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 175A - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $9,248.21 CAD
    Sale
    JDC3175 - Eaton - Molded Case Circuit Breaker
    JDC3175 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 175A - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $8,183.61 CAD
    QRH23B175L - Siemens - Molded Case Circuit Breaker
    QRH23B175L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 175 Amp - 3 Pole - 240 Volt
    Siemens/ITE
    QR23B175L - Siemens - Molded Case Circuit Breaker
    QR23B175L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 3 Pole - 240 Volt
    Siemens/ITE
    QR22B175L - Siemens - Molded Case Circuit Breaker
    QR22B175L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 2 Pole - 240 Volt
    Siemens/ITE
    HJD3175WL - Eaton - Molded Case Circuit Breaker
    HJD3175WL - Eaton - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    HJD3175L - Eaton - Molded Case Circuit Breaker
    HJD3175L - Eaton - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FXD62B175L - Siemens - Molded Case Circuit Breaker
    FXD62B175L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 2 Pole - 600 Volt
    Siemens/ITE
    FDC2175 - Eaton - MoldedCase Circuit Breakers
    FDC2175 - Eaton - MoldedCase Circuit Breakers
    Bolt-On - 175 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    FD3175 - Eaton - Molded Case Circuit Breaker
    FD3175 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    FD2175 - Eaton - Molded Case Circuit Breaker
    FD2175 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $400 CAD
    Sold Out
    ED2175 - Eaton - Molded Case Circuit Breaker
    ED2175 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    CFD63B175L - Siemens - Molded Case Circuit Breaker
    CFD63B175L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    KD3175Y - Eaton Molded Case Circuit Breakers
    KD3175Y - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    KD3175X - Eaton Molded Case Circuit Breakers
    KD3175X - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    KD3175C - Eaton Molded Case Circuit Breakers
    KD3175C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    KD3175W - Eaton Molded Case Circuit Breakers
    KD3175W - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    JD3175Y - Eaton Molded Case Circuit Breakers
    JD3175Y - Eaton - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    JD3175X - Eaton Molded Case Circuit Breakers
    JD3175X - Eaton - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    JD3175C - Eaton Molded Case Circuit Breakers
    JD3175C - Eaton - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    JD3175W - Eaton Molded Case Circuit Breakers
    JD3175W - Eaton - Molded Case Circuit Breaker
    Bolt-On - 175 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
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