Molded Case Breakers

7536 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7536 products
    Sale
    GD3015 - Eaton - Molded Case Circuit Breakers
    GD3015 - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $450 CAD
    CHQ115 - Eaton - Molded Case Circuit Breakers
    CHQ115 - Eaton - Molded Case Circuit Breakers
    Eaton
    BRH120 - Eaton - Molded Case Circuit Breakers
    BRH120 - Eaton - Molded Case Circuit Breakers
    Eaton
    Sale
    QCR3015H - Eaton - Molded Case
    QCR3015H - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 15 Amp - 3 Pole - 240 Volt
    Eaton
    Save $125 CAD
    QCR1025 - Eaton - Molded Case
    QCR1025 - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 25 Amp - 1 Pole - 1 Volt
    Eaton
    Sale
    QBHW3060HS - Eaton - Molded Case
    QBHW3060HS - Eaton - Molded Case Circuit Breakers
    Bolt-On - 60 Amp - 3 Pole - 1 Volt
    Eaton
    Save $704 CAD
    LGU3630NN - Eaton - Molded Case
    LGU3630NN - Eaton - Molded Case Circuit Breakers
    Bolt-On - 630 Amp - 3 Pole - 600 Volt
    Eaton
    Sale
    HND312T33W - Eaton - Molded Case
    HND312T33W - Eaton - Molded Case Circuit Breakers
    Bolt-On - 1200 Amp - 3 Pole - 600 Volt
    Eaton
    Save $12,270 CAD
    Sale
    HFDE316032 - Eaton - Molded Case
    HFDE316032 - Eaton - Molded Case Circuit Breakers
    Bolt-On - 160 Amp - 3 Pole - 480 Volt
    Eaton
    Save $3,279 CAD
    FDB3045 - Eaton - Molded Case
    FDB3045 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 45 Amp - 3 Pole - 600 Volt
    Eaton
    Sale
    HGA36110 - Square D - Molded Case Circuit Breaker
    HGA36110 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - - 110 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $2,309.01 CAD
    BDA260402 - Square D - Molded Case Circuit Breaker
    BDA260402 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Sale
    QCR2050 - Eaton - Molded Case Circuit Breaker
    QCR2050 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 50 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $87.01 CAD
    Sale
    QCR1015 - Eaton - Molded Case Circuit Breaker
    QCR1015 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 15 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Save $25.01 CAD
    Sale
    PDG23G0080TFFJ - Eaton - Molded Case Circuit Breaker
    PDG23G0080TFFJ - Eaton - Molded Case Circuit Breaker
    Feed Thru - 80 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $410 CAD
    Sale
    PDG23G0040TFFJ - Eaton - Molded Case Circuit Breaker
    PDG23G0040TFFJ - Eaton - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $168 CAD
    Sale
    PDG23F0060TFFJ - Eaton - Molded Case Circuit Breaker
    PDG23F0060TFFJ - Eaton - Molded Case Circuit Breaker
    Feed Thru - 60 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $158 CAD
    Sale
    PDG23F0050TFFJ - Eaton - Molded Case Circuit Breaker
    PDG23F0050TFFJ - Eaton - Molded Case Circuit Breaker
    Feed Thru - 50 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $156 CAD
    Sale
    PDG23F0040TFFJ - Eaton - Molded Case Circuit Breaker
    PDG23F0040TFFJ - Eaton - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $177 CAD
    Sale
    PDG22F0070TFFJ - Eaton - Molded Case Circuit Breaker
    PDG22F0070TFFJ - Eaton - Molded Case Circuit Breaker
    Feed Thru - 70 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $142 CAD
    Sale
    PDG22F0050TFFJ - Eaton - Molded Case Circuit Breaker
    PDG22F0050TFFJ - Eaton - Molded Case Circuit Breaker
    Feed Thru - 50 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $106 CAD
    PDG21G0030TFFJ - Eaton - Molded Case Circuit Breaker
    PDG21G0030TFFJ - Eaton - Molded Case Circuit Breaker
    Feed Thru - 30 Amp - 1 Pole - 600 Volt
    Eaton Cutler-Hammer
    MDLB3800 - Eaton - Molded Case Circuit Breaker
    MDLB3800 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 800 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    LDB3500 - Eaton - Molded Case Circuit Breaker
    LDB3500 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 400A - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    KD3225 - Eaton - Molded Case Circuit Breaker
    KD3225 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 225A - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $571 CAD
    Limited availability
    HND312T32W - Eaton - Molded Case Circuit Breaker
    HND312T32W - Eaton - Molded Case Circuit Breaker
    Bolt On - 1200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $10,173 CAD
    Sale
    HJD2250 - Eaton - Molded Case Circuit Breaker
    HJD2250 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 250A - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $9,315.21 CAD
    FD1080L - Eaton - Molded Case Circuit Breaker
    FD1080L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 80A - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Sale
    EGS3070FFG - Eaton - Molded Case Circuit Breaker
    EGS3070FFG - Eaton - Molded Case Circuit Breaker
    Feed Thru - 70 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $51.01 CAD
    Sale
    EGB3030FFG - Eaton - Molded Case Circuit Breaker
    EGB3030FFG - Eaton - Molded Case Circuit Breaker
    Feed Thru - 30 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    Save $467 CAD
    Sale
    QRH23B250L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 250 Amp - 3 Pole - 240 Volt
    Siemens/ITE
    Save $2,239.01 CAD
    QRH23B200L - Siemens - Molded Case Circuit Breaker
    QRH23B200L - Siemens - Molded Case Circuit Breaker
    Bolt-On - 200 Amp - 3 Pole - 240 Volt
    Siemens/ITE
    NGG3B125 - Siemens - Molded Case Circuit Breaker
    NGG3B125 - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 125 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    NGG3B070 - Siemens - Molded Case Circuit Breaker
    NGG3B070 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 70 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    NGG3B060 - Siemens - Molded Case Circuit Breaker
    NGG3B060 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 60 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    NGG3B050 - Siemens - Molded Case Circuit Breaker
    NGG3B050 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 50 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    NGG3B030 - Siemens - Molded Case Circuit Breaker
    NGG3B030 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 30 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    LXD63S600AL - Siemens - Molded Case Circuit Breaker
    Bolt-On - 600 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    Sale
    HJD3200L - Eaton - Molded Case Circuit Breaker
    HJD3200L - Eaton - Molded Case Circuit Breaker
    Bolt-On - 200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $444 CAD
    HHED63B015 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 15 Amp - 3 Pole - 600 Volt
    Siemens/ITE
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