Molded Case Breakers

7516 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7516 products
    JDA36250 - Square D - Molded Case Circuit Breaker
    JDA36250 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 250 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Sale
    HKD3400F - Eaton - Frame
    Bolt-On - 400 Amp - 3 Pole - 4 Volt
    Eaton Cutler-Hammer
    Save $600 CAD
    BQC220250 - Eaton - Molded Case Circuit Breaker
    BQC220250 - Eaton - Molded Case Circuit Breaker
    50 Amp - 2 Pole - 240 Volt
    Eaton
    Q22025CT - Siemens - Molded Case
    Q22025CT - Siemens - Molded Case
    Siemens
    CH120 - Eaton - Molded Case Circuit Breakers
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Eaton
    FD3100 - Eaton - Molded Case Circuit Breaker
    FD3100 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FD3080 - Eaton - Molded Case Circuit Breaker
    FD3080 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 80 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    ED61B020 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 600 Volt
    Siemens/ITE
    Sale
    HFD3015 - Eaton - Moded Case Circuit Breaker
    HFD3015 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 15 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,580.19 CAD
    Limited availability
    EJB36100 - Square D 100 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EJB36100 - Square D 100 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EJB36100 - Square D - Molded Case Circuit Breaker
    Bolt-On - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $900 CAD
    ED63B030L - Siemens - Molded Case Circuit Breaker
    ED63B030L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 30 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    THQC2150WL - GE - Molded Case Circuit Breaker
    THQC2150WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 2 Pole - 240 Volt
    GE
    Sale
    FDB3020L - Eaton - Molded Case Circuit Breaker
    FDB3020L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $140 CAD
    FD3100L - Eaton - Molded Case Circuit Breaker
    FD3100L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FD3040L - Eaton - Molded Case Circuit Breaker
    FD3040L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 40 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FD3030L - Eaton - Molded Case Circuit Breaker
    FD3030L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    FAL36030 - Square D 30 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FAL36030 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $120 CAD
    Sale
    FA36040 - Square D 40 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36040 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 40 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $231 CAD
    Sale
    FA36030 - Square D 30 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36030 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $170 CAD
    Sale
    HJA36090 - Square D 90 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJA36090 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $200 CAD
    Sale
    JJA36200 - Square D - Molded Case Circuit Breaker
    JJA36200 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 200 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $520 CAD
    Sale
    JLA36200 - Square D - Molded Case Circuit Breaker
    JLA36200 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 200 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $340 CAD
    Sale
    JDL36150 - Square D - Molded Case Circuit Breaker
    JDL36150 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $540 CAD
    THQC21100WL - GE - Molded Case Circuit Breaker
    THQC21100WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 2 Pole - 240 Volt
    GE
    PDG23G0100TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23G0100TFFJ - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    Eaton
    EDB36025 - Square D - Molded Case Circuit Breaker
    EDB36025 - Square D - Molded Case Circuit Breaker
    Bolt-On - 25 Amp - 3 Pole - 600 V
    Schneider Electric
    Sale
    FDB3020 - Eaton - Molded Case Circuit Breaker
    FDB3020 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $140 CAD
    FD3035 - Eaton - Molded Case Circuit Breaker
    FD3035 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 35 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    ED3200 - Eaton - 200 Amp Molded Case Circuit Breaker
    Feed Thru - 200 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $268 CAD
    Sale
    HFD3030 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 30 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,580.19 CAD
    Sale
    HFD3040 - Eaton - Moded Case Circuit Breaker
    HFD3040 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 40 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,580.19 CAD
    Sale
    HFD3070 - Eaton - Moded Case Circuit Breaker
    HFD3070 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 70 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,480.19 CAD
    Sale
    BJA36015 - Square D 15 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    BJA36015 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 15 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $310 CAD
    Sale
    BDA36030 - Square D 30 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA36030 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $360 CAD
    EDB14020 - Square D 20 Amp 1 Pole 277 Volt Bolt-On Circuit Molded Case Breaker
    EDB14020 - Square D - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 277 Volt
    Schneider Electric
    CED63B015 - Siemens 15 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    CED63B015 - Siemens - Molded Case Circuit Breaker
    Bolt On - 15 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    FD63F250 - Siemens 250 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker Frame
    FD63F250 - Siemens - Frame
    Bolt-on - 250 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    Sale
    HMCPS015E0C - Eaton - Molded Case Circuit Breaker
    HMCPS015E0C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 15 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $497 CAD
    Sale
    HFD3200L - Eaton - Molded Case Circuit Breaker
    HFD3200L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $500 CAD
    Sale
    HFD3060L - Eaton - Molded Case Circuit Breaker
    HFD3060L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 60 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,580.19 CAD
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