Molded Case Breakers

222 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    222 products
    LGL36400U33X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LGL36400U33X - Square D - Molded Case Circuit Breaker
    Feed Thru - 400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Sold Out
    LDA36400U31X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LDA36400U31X - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 400 Amp - 3 Pole - 600 Volt
    Schneider Electric
    LAL26400 - Square D 400 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    LAL26400 - Square D - Molded Case Circuit Breaker
    Feed Thru - 400 Amp - 2 Pole - 600 Volt
    Schneider Electric
    JXD63B400H - Siemens - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    HJXD63B400H - Siemens - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    TJJ436Y400 - General Electric 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    TJJ436Y400 - GE - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    GE
    SGPC3604L4XX - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    SGHC3604L4XX - General Electric 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGHC3604L4XX - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    SGHA26AT0400 - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 2 Pole - 600 Volt
    GE
    SGLL3604L4XX - General Electric 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGLL3604L4XX - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    LGMPS400G - Eaton - Molded Case Circuit Breaker
    LGMPS400G - Eaton - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    LDC3400 - Eaton - Molded Case Circuit Breaker
    LDC3400 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    LD3400 - Eaton - Molded Case Circuit Breaker
    LD3400 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    KDC3400 - Eaton - Molded Case Circuit Breaker
    KDC3400 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    HKD3400W - Eaton - Molded Case Circuit Breaker
    HKD3400W - Eaton - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    HKD3400K - Eaton - Molded Case Circuit Breaker
    HKD3400K - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    DK3400W - Eaton - Molded Case Circuit Breaker
    DK3400W - Eaton - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 2 Volt
    Eaton Cutler-Hammer
    CKD3400F - Eaton - Molded Case Circuit Breaker
    CKD3400F - Eaton - Molded Case Circuit Breaker
    400 Amp - 600 Volt
    Eaton Cutler-Hammer
    TJK426F000 - GE - Frame
    Bolt-On - 400 Amp - 2 Pole - 600 Volt
    GE
    HMCP400Y5C - Eaton - Molded Case Circuit Breaker
    HMCP400Y5C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    HMCP400W5C - Eaton - Molded Case Circuit Breaker
    HMCP400W5C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    HMCP400N5C - Eaton - Molded Case Circuit Breaker
    HMCP400N5C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    HMCP400K5C - Eaton - Molded Case Circuit Breaker
    HMCP400K5C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    HMCP400K5 - Eaton - Molded Case Circuit Breaker
    HMCP400K5 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    HMCP400F5C - Eaton - Molded Case Circuit Breaker
    HMCP400F5C - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 400 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    SGLL3604L3XX - GE 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGLL3604L3XX - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    SGLC3604L7XX - GE 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGLC3604L7XX - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    SGLC3604L5XX - GE 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGLC3604L5XX - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    SGLC3604L4XX - GE 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGLC3604L4XX - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    SGLC3604L3XX - GE 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGLC3604L3XX - GE - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    GE
    JXD22B400 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 2 Pole - 240 Volt
    Siemens/ITE
    Sold Out
    JXD63L400 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 400 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    JXD63H400 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 400 Amp - 3 Pole - 480 Volt
    Siemens/ITE
    JXD63B400 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 400 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    HJXD63S400A - Siemens - Molded Case Circuit Breaker
    Bolt-on - 400 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    HJXD63B400 - Siemens - Molded Case Circuit Breaker
    Bolt-on - 400 Amp - 3 Pole - 600 Volt
    Siemens/ITE
    HJD63F400 - Siemens 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Frame
    HJD63F400 - Siemens - Frame
    Bolt-on - 400 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CJD63S400A - Siemens - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CJD63L400 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    Siemens / ITE
    CJD63H400 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 400 Amp - 3 Pole - 600 Volt
    Siemens / ITE
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