Molded Case Breakers

7247 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    7247 products
    3VA4150-5ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA4150-5ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    50 Amp - 3 Pole - 600 Volt
    Siemens
    3VA4170-4ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA4170-4ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    70 Amp - 3 Pole - 600 Volt
    Siemens
    3VA4140-4ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA4140-4ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    40 Amp - 3 Pole - 600 Volt
    Siemens
    3VA4180-6ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    3VA4180-6ED34-0AA0 - Siemens - Molded Case Circuit Breakers
    80 Amp - 3 Pole - 600 Volt
    Siemens
    Limited availability
    PDG23P0045TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23P0045TFFJ - Eaton - Molded Case Circuit Breakers
    Eaton
    Limited availability
    PDG21M0025TFFJ - Eaton - Molded Case Circuit Breakers
    PDG21M0025TFFJ - Eaton - Molded Case Circuit Breakers
    Eaton
    PDG23F0060TFFL - Eaton - Molded Case Circuit Breakers
    PDG23F0060TFFL - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 60 Amp - 3 Pole - 600 Volt
    Eaton
    Limited availability
    PDG23F0030TFFL - Eaton - Molded Case Circuit Breakers
    PDG23F0030TFFL - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 30 Amp - 3 Pole - 600 Volt
    Eaton
    Sale
    HFD1030L (347V) - Eaton - Molded Case Circuit Breaker
    HFD1030L (347V) - Eaton - Molded Case Circuit Breaker
    Bolt-On - 30 Amp - 1 Pole - 347 Volt
    Eaton Cutler-Hammer
    Save $160 CAD
    Limited availability
    PDG21M0015TFFL - Eaton - Molded Case Circuit Breakers
    PDG21M0015TFFL - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 15 Amp - 1 pole - 600 Volt
    Eaton
    PDG23P0100TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23P0100TFFJ - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 100 Amp - 3 pole - 600 Volt
    Eaton
    PDG23P0060TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23P0060TFFJ - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 60 Amp - 3 pole - 600 Volt
    Eaton
    PDG23P0040TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23P0040TFFJ - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 40 Amp - 3 pole - 600 Volt
    Eaton
    PDG21M0020TFFJ - Eaton - Molded Case Circuit Breakers
    PDG21M0020TFFJ - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 20 Amp - 1 pole - 600 Volt
    Eaton
    Limited availability
    PDG21M0015TFFJ - Eaton - Molded Case Circuit Breakers
    PDG21M0015TFFJ - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 15 Amp - 1 pole - 600 Volt
    Eaton
    PDG23F0015TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23F0015TFFJ - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 15 Amp - 3 Pole - 600 Volt
    Eaton
    PDG23M0150TFFL - Eaton - Molded Case Circuit Breakers
    PDG23M0150TFFL - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Eaton
    PDG23G0150TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23G0150TFFJ - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 150 Amp - 3 Pole - 600 Volt
    Eaton
    PDG23M0045TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23M0045TFFJ - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 45 Amp - 3 Pole - 600 Volt
    Eaton
    PDG23M0040TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23M0040TFFJ - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 40 Amp - 3 Pole - 600 Volt
    Eaton
    PDG23M0030TFFJ - Eaton - Molded Case Circuit Breakers
    PDG23M0030TFFJ - Eaton - Molded Case Circuit Breakers
    Feed-Thru - 30 Amp - 3 Pole - 600 Volt
    Eaton
    140MF8EC32 - Allen-Bradley - Molded Case Circuit Breaker
    140MF8EC32 - Allen-Bradley - Molded Case Circuit Breaker
    Allen-Bradley
    PGL36080CU31A - Square D - Molded Case Circuit Breaker
    PGL36080CU31A - Square D - Molded Case Circuit Breaker
    Feed-Thru - 800 Amp - 600 Volt
    Square D
    BDL36020 - Square D - Molded Case Circuit Breaker
    BDL36020 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 600 Volt
    Square D
    3VA5160-6ED31-0AA0 - Siemens - Molded Case Circuit Breaker
    3VA5160-6ED31-0AA0 - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    BDL36025 - Square D - Molded Case Circuit Breakers
    BDL36025 - Square D - Molded Case Circuit Breakers
    Feed-Thru - 25 Amp - 3 Pole - 600 Volt
    Square D
    Sale
    PDG23M0015TFFJ - Eaton - Molded Case Circuit Breaker
    PDG23M0015TFFJ - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 15A -3 Pole - 600 Volt
    Eaton
    Save $267 CAD
    NGB2B125 - Siemens - Molded Case Circuit Breaker
    NGB2B125 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 125A -2 Pole - 600 Volt
    Siemens
    Limited availability
    NBGF30 - Federal Pioneer - Molded Case Circuit Breaker
    NBGF30 - Federal Pioneer - Molded Case Circuit Breaker
    Bolt-On - 30A -1 Pole - 120 Volt
    Federal Pioneer
    CHOM115AFI - Square D - Molded Case Circuit Breaker
    CHOM115AFI - Square D - Molded Case Circuit Breaker
    Plug-in - 15A -1 Pole - 120 Volt
    Square D
    QOM2100VHL - Square D - Molded Case Circuit Breakers
    QOM2100VHL - Square D - Molded Case Circuit Breakers
    Feed-Thru - 100 Amp - 2 Pole - 240 V
    Schneider Electric
    Limited availability
    QOB3601021 - Square D - Molded Case Circuit Breakers
    QOB3601021 - Square D - Molded Case Circuit Breakers
    Bolt-On - 60 Amp - 3 Pole - 240 V
    Schneider Electric
    Sale
    QOB1201021 - Square D - Molded Case Circuit Breakers
    QOB1201021 - Square D - Molded Case Circuit Breakers
    Bolt-On - 20 Amp - 1 Pole - 120 V
    Schneider Electric
    Save $140 CAD
    LLA36400U43X - Square D - Molded Case Circuit Breakers
    LLA36400U43X - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 400 Amp - 3 Pole - 600 V
    Schneider Electric
    KI36150 - Square D - Molded Case Circuit Breakers
    KI36150 - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 150 Amp - 3 Pole - 600 V
    Schneider Electric
    KA36175 - Square D - Molded Case Circuit Breakers
    KA36175 - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 175 Amp - 3 Pole - 600 V
    Schneider Electric
    JLL36250U31X - Square D - Molded Case Circuit Breakers
    JLL36250U31X - Square D - Molded Case Circuit Breakers
    Feed-Thru - 250 Amp - 3 Pole - 600 V
    Schneider Electric
    JDA36250U33X - Square D - Molded Case Circuit Breakers
    JDA36250U33X - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 250 Amp - 3 Pole - 600 V
    Schneider Electric
    HLA36060U44X - Square D - Molded Case Circuit Breakers
    HLA36060U44X - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 60 Amp - 3 Pole - 600 V
    Schneider Electric
    HLA36045 - Square D - Molded Case Circuit Breakers
    HLA36045 - Square D - Molded Case Circuit Breakers
    I-Line Style Plug-In - 45 Amp - 3 Pole - 600 V
    Schneider Electric
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