Molded Case Breakers

7536 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7536 products
    ED63B070 - Siemens - Molded Case Circuit Breaker
    ED63B070 - Siemens - Molded Case Circuit Breaker
    Bolt On - 70 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    CED63B050 - Siemens 50 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    CED63B050 - Siemens - Molded Case Circuit Breaker
    Bolt On - 50 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    QR23B200 - Siemens - Molded Case Circuit Breaker
    QR23B200 - Siemens - Molded Case Circuit Breaker
    QR23B200 - Siemens - Molded Case Circuit Breaker
    Bolt On - 200 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    QR23B150 - Siemens - Molded Case Circuit Breaker
    QR23B150 - Siemens - Molded Case Circuit Breaker
    Bolt On - 150 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    JXD63B400 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 400 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    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
    ED63B100L - Siemens - Molded Case Circuit Breaker
    ED63B100L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 100 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    ED63B060L - Siemens - Molded Case Circuit Breaker
    ED63B060L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 60 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    TQD32200WL - GE - Molded Case Circuit Breaker
    TQD32200WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 3 Pole - 240 Volt
    GE
    TEY330 - GE - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 3 Pole - 480 Volt
    GE
    TED136020WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 600 Volt
    GE
    Sale
    SEDA36AT0150 - GE - Molded Case Circuit Breaker
    Bolt-On - 150 Amp - 3 Pole - 600 Volt
    GE
    Save $239 CAD
    FBH36TE060RV - GE 60 Amp 3 Pole 600 Volt Record Plus Molded Case Circuit Breaker
    FBH36TE060RV - GE - 60 Amp Molded Case Circuit Breaker
    Bolt-On - 60 Amp - 3 Pole - 600 Volt
    GE
    Sale
    LD3600F - Eaton - Molded Case Circuit Breaker
    LD3600F - Eaton - Frame
    Bolt-On - 600 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $924 CAD
    Sale
    HFD3080L - Eaton - Molded Case Circuit Breaker
    HFD3080L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 80 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,480.19 CAD
    Sale
    HFD3070L - Eaton - Molded Case Circuit Breaker
    HFD3070L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 70 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,480.19 CAD
    Sale
    FDC3150L - Eaton - Molded Case Circuit Breaker
    FDC3150L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 150 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $600 CAD
    Sale
    FDC3060L - Eaton - MoldedCase Circuit Breakers
    FDC3060L - Eaton - MoldedCase Circuit Breakers
    Feed Thru - 60 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $468 CAD
    FD3025L - Eaton - Molded Case Circuit Breaker
    FD3025L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 25 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    EHD3060L - Eaton - Molded Case Circuit Breaker
    EHD3060L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    Save $140 CAD
    Sale
    EHD3030L - Eaton - Molded Case Circuit Breaker
    EHD3030L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 30 Amp - 3 Pole - 480 Volt
    Eaton Cutler-Hammer
    Save $177 CAD
    Sale
    ED3200L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $268 CAD
    Sale
    DK3400 - Eaton - Molded Case Circuit Breaker
    DK3400 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $492 CAD
    Sale
    QGA32225 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 225 Amp - 3 Pole - 240 Volt
    Schneider Electric
    Save $299 CAD
    Sale
    LAL36350 - Square D - Molded Case Circuit Breaker
    LAL36350 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 350 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,545 CAD
    Sale
    HLL36080 - Square D - Molded Case Circuit Breaker
    HLL36080 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 80 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,030 CAD
    Sale
    HLA36050 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $910 CAD
    Sale
    FA36050 - Square D 50 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36050 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $455 CAD
    Sale
    EDB26020 - Square D 20 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EDB26020 - Square D - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Save $569 CAD
    Sale
    HJA36125 - Square D 125 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJA36125 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 125 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $350 CAD
    Sale
    HGL36150 - Square D 150 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGL36150 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $820 CAD
    Sale
    HGL36060 - Square D 60 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGL36060 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $360 CAD
    Sale
    HDL36020 - Square D 20 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HDL36020 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $300 CAD
    Sale
    HDA36090 - Square D 90 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36090 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 90 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $420 CAD
    Sale
    HDA36050 - Square D 50 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36050 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 50 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $460 CAD
    Sale
    HLD3600 - Eaton - Molded Case Circuit Breaker
    HLD3600 - Eaton - Molded Case Circuit Breaker
    HLD3600 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 600 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,637 CAD
    Sale
    JLA36250
    JLA36250 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 250 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $1,620 CAD
    3VA5110-5ED31-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA5110-5ED31-0AA0 - Siemens - Molded Case Circuit Breakers
    100 Amp - 3 Pole - 600 Volt
    Siemens
    3VA4130-4ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA4130-4ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    125 Amp - 3 Pole - 480 Volt
    Siemens
    3VA4120-5ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA4120-5ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA4120-5ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    20 Amp - 3 Pole - 600 Volt
    Siemens
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