Molded Case Breakers

6400 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    6400 products
    Sale
    EGB36030 - Square D 30 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36030 - Square D 30 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EGB36030 - Square D - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $510 CAD
    Sale
    EJB36015 - Square D 15 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EJB36015 - Square D 15 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EJB36015 - Square D - 15 Amp Circuit Breaker
    Bolt-On - 15 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $750 CAD
    Sale
    BDA36015 - Square D 15 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA36015 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 15 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $360 CAD
    ED63B125 - Siemens - Molded Case Circuit Breaker
    ED63B125 - Siemens - Molded Case Circuit Breaker
    Bolt On - 125 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    EDB14030 - Square D 30 Amp 1 Pole 277 Volt Bolt-On Circuit Breaker
    EDB14030 - Square D - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 1 Pole - 277 Volt
    Schneider Electric
    QR23B150 - Siemens - Molded Case Circuit Breaker
    QR23B150 - Siemens - Molded Case Circuit Breaker
    Bolt On - 150 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    QJ22B100H - Siemens - Molded Case Circuit Breaker
    QJ22B100H - Siemens - Molded Case Circuit Breaker
    Bolt On - 100 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    TQD32200WL - GE - Molded Case Circuit Breaker
    TQD32200WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 3 Pole - 240 Volt
    GE
    Sold Out
    THQC2150WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 50 Amp - 2 Pole - 240 Volt
    GE
    Sale
    SELA36AT0030 - GE - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 3 Pole - 600 Volt
    GE
    Save $178 CAD
    Sale
    SEDA36AT0150 - GE - Molded Case Circuit Breaker
    Bolt-On - 150 Amp - 3 Pole - 600 Volt
    GE
    Save $239 CAD
    FDC3150L - Eaton - Molded Case Circuit Breaker
    FDC3150L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 150 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FDB3125L - Eaton - Molded Case Circuit Breaker
    FDB3125L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 125 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    FD3060L - Eaton - Molded Case Circuit Breaker
    FD3060L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    ED2200L - Eaton - Molded Case Circuit Breaker
    ED2200L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    ED2125L - Eaton - Molded Case Circuit Breaker
    ED2125L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 125 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Sale
    HLA36060 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 60 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $700 CAD
    Sale
    FAL36060 - Square D 60 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker
    FAL36060 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $9 CAD
    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
    FA36100 - Square D 100 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36100 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 100 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $434 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
    FA36020 - Square D 20 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36020 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 20 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $155 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
    HJA36020 - Square D 20 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJA36020 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 20 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $240 CAD
    Sale
    HJA36015 - Square D 15 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJA36015 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 15 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
    QDL32200 - Square D 200 Amp 3 Pole 240 Volt PowerPact Q Molded Case Circuit Breaker
    QDL32200 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 200 Amp - 3 Pole - 240 Volt
    Schneider Electric
    CH115 - Eaton - Molded Case
    CH115 - Eaton - Molded Case Circuit Breakers
    Plug-In - 15 Amp - 1 Pole - 120V
    Eaton
    FDC3060 - Eaton - MoldedCase Circuit Breakers
    FDC3060 - Eaton - MoldedCase Circuit Breakers
    Bolt-On - 60 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Sale
    ED3200L - Eaton Cutler-Hammer 200 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    ED3200 - Eaton - 200 Amp Molded Case Circuit Breaker
    Feed Thru - 200 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Save $342.23 CAD
    TED136100 - GE 100 Amp 3 Pole 600 Volt Molded Case Thermal Magnetic Circuit Breaker
    TED136100 - GE - Molded Case Circuit Breaker
    Feed-Thru - 100 Amp - 3 Pole - 600 Volt
    GE
    Sold Out
    B2110 - Siemens - Molded Case Circuit Breaker
    B2110 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 110 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    CH140 - Eaton Cutler-Hammer 40 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    CH140 - Eaton - 40 Amp Circuit Breaker
    Plug-In - 40 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Sale
    HJL36060 - Square D - Molded Case Circuit Breaker
    HJL36060 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 60 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $350 CAD
    Sale
    EGB14015 - Square D 15 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    EGB14015 - Square D 15 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    EGB14015 - Square D - Molded Case Circuit Breaker
    Bolt-On - 15 Amp - 1 Pole - 277 Volt
    Schneider Electric
    Save $72 CAD
    Sale
    EGB16015 - Square D 15 Amp 1 Pole 347 Volt Bolt-On Molded Case Circuit Breaker
    EGB16015 - Square D 15 Amp 1 Pole 347 Volt Bolt-On Molded Case Circuit Breaker
    EGB16015 - Square D - Molded Case Circuit Breaker
    Bolt-On - 15 Amp - 1 Pole - 347 Volt
    Schneider Electric
    Save $57 CAD
    Sale
    EJB36015 - Square D 15 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EJB36015 - Square D 15 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker
    EJB36015 - Square D - Molded Case Circuit Breaker
    Bolt-On - 15 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $750 CAD
    HJL36125 - Square D 125 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJL36125 - Square D - Molded Case Circuit Breaker
    Feed Thru - 125 Amp - 3 Pole - 600 Volt
    Schneider Electric
    KD3250 - Eaton - Molded Case Circuit Breaker
    KD3250 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 250 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    HKD3225 - Eaton - Molded Case Circuit Breaker
    HKD3225 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 225 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
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