Molded Case Breakers

7536 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7536 products
    EDB24040 - Square D 40 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB24040 - Square D - Molded Case Circuit Breaker
    Bolt-On - 40 Amp - 2 Pole - 480 Volt
    Schneider Electric
    Sale
    HJA36030 - Square D 30 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJA36030 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $240 CAD
    Sale
    HDL36030 - Square D 30 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HDL36030 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $300 CAD
    Sale
    JJL36200 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $500 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
    JGA36225 - Square D - Molded Case Circuit Breaker
    JGA36225 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 225 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $820 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
    3VA4130-5ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA4130-5ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    30 Amp - 3 Pole - 600 Volt
    Siemens
    Limited availability
    BD2015 - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $16 CAD
    Sale
    CSR2125N - Eaton - Molded Case
    CSR2125N - Eaton - Molded Case Circuit Breakers
    Plug-In - 125 Amp - 2 Pole - 240 Volt
    Eaton
    Save $75 CAD
    FD3050 - Eaton - Molded Case Circuit Breaker
    FD3050 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 50 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    BJA36030 - Square D 30 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    BJA36030 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $310 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
    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
    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
    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
    Sale
    HFD3015L - Eaton - Molded Case Circuit Breaker
    HFD3015L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 15 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,580.19 CAD
    Sale
    FDB3150L - Eaton - Molded Case Circuit Breaker
    FDB3150L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $300 CAD
    Sale
    FDB3030L - Eaton - Molded Case Circuit Breaker
    FDB3030L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $140 CAD
    FD3060L - Eaton - Molded Case Circuit Breaker
    FD3060L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 60 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
    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
    EDB24015 - Square D 15 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB24015 - Square D - Molded Case Circuit Breaker
    Bolt-On - 15 Amp - 2 Pole - 480 Volt
    Schneider Electric
    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
    JGL36200 - Square D - Molded Case Circuit Breaker
    JGL36200 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $310 CAD
    Sale
    fd2060 - Eaton - Molded Case Circuit Breaker
    FD2060 - Eaton - Molded Case Circuit Breaker
    Bolt-On - 60 Amp - 2 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $160 CAD
    THQLT2020 - General Electrics - Molded Case Circuit Breakers
    THQLT2020 - General Electrics - Molded Case Circuit Breakers
    20 Amp - 1 Pole - 120 Volt
    General Electrics
    BQC220240 - Eaton - Molded Case Circuit Breaker
    BQC220240 - Eaton - Molded Case Circuit Breaker
    40 Amp - 2 Pole - 240 Volt
    Eaton
    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
    FDC3040 - Eaton - MoldedCase Circuit Breakers
    FDC3040 - Eaton - MoldedCase Circuit Breakers
    Bolt-On - 40 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $340 CAD
    Sale
    FDC3015 - Eaton - MoldedCase Circuit Breakers
    FDC3015 - Eaton - MoldedCase Circuit Breakers
    Bolt-On - 15 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $468 CAD
    Sale
    ED3100 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 100 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $200 CAD
    Sale
    ED3200 - Eaton - 200 Amp Molded Case Circuit Breaker
    Feed Thru - 200 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $268 CAD
    TED136060 - GE 60 Amp 3 Pole 600 Volt Molded Case Thermal Magnetic Circuit Breaker
    TED136060 - GE - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 600 Volt
    GE
    Sale
    HFD3020 - Eaton - Moded Case Circuit Breaker
    HFD3020 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 20 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,457.32 CAD
    Sale
    HFD3090 - Eaton - Moded Case Circuit Breaker
    HFD3090 - Eaton - Molded Case Circuit Breaker
    Feed Thru - 90 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,480.19 CAD
    BW2100 - Eaton - Molded Case Circuit Breaker
    BW2100 - Eaton - Main Circuit Breaker
    Bolt-On - 100 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    QO3015 - Square D 15 Amp 2 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    QO3015 - Square D - Molded Case Circuit Breaker
    Plug-In - 30/15 Amp - 1 Pole - 120 Volt
    Schneider Electric
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