Molded Case Circuit Breakers

239 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    239 products
    Sale
    PKA36040U31A - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    PKA36040U31A - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $9,839.01
    Sale
    TJD422400WL - GE - 400 Amp Molded Case Circuit Breaker
    General Electric
    Save $2,763.01
    Sale
    TJD422400 - General Electric 400 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    TJD422400 - GE - 400 Amp Molded Case Circuit Breaker
    General Electric
    Save $1,883.01
    Sale
    LJA36400U43X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LJA36400U43X - Square D - Molded Case Circuit Breakers
    Schneider Electric
    Save $6,422.01
    Sale
    TJD432400WL - GE 400 Amp Molded Case Circuit Breaker
    GE
    Save $3,498.01
    Sale
    HMCP400J5 - Eaton - Molded Case Circuit Breaker
    HMCP400J5 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $544.84
    Sale
    HMCP400J5C - Eaton - Molded Case Circuit Breaker
    HMCP400J5C - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $5,563.67
    Sale
    HMCP400G5C - Eaton - Molded Case Circuit Breaker
    HMCP400G5C - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $5,701.67
    Sold Out
    JXD62S400A - Siemens - 400 Amp Molded Case Circuit Breaker
    Siemens/ITE
    KS220400D - Eaton - 400 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    DJM32400E20 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Sale
    LAP36400MB - Square D 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    LAP36400MB - Square D - 400 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $560.01
    Sale
    LGN36400U31X - Square D 400 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    LGN36400U31X - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $5,554.01
    NJL3K - Federal Pacific 400 Amp Molded Case Circuit Breaker
    Federal Pacific
    Sold Out
    LA400S - Square D 400 Amp 600 Volt Molded Case Circuit Breaker
    LA400S - Square D - 400 Amp Molded Case Circuit Breaker
    Schneider Electric
    HMCP400D5WD09 - Eaton Cutler-Hammer 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HMCP400D5WD09 - Eaton - 400 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    HMCP400D5C - Eaton - Molded Case Circuit Breaker
    HMCP400D5C - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $813.84
    Sale
    HMCP400A5C - Eaton - Molded Case Circuit Breaker
    HMCP400A5C - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $5,946.67
    LDA36400U33X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LDA36400U33X - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Sale
    LAL26400 - Square D 400 Amp 2 Pole 600 Volt Molded Case Circuit Breaker
    LAL26400 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $1,337.01
    Sale
    TJJ436Y400 - General Electric 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    TJJ436Y400 - GE - Molded Case Circuit Breaker
    GE
    Save $3,945.01
    SGPC3604L4XX - GE - Molded Case Circuit Breaker
    GE
    SGLL3604L4XX - General Electric 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGLL3604L4XX - GE - Molded Case Circuit Breaker
    GE
    Sale
    SGHC3604L4XX - General Electric 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGHC3604L4XX - GE - Molded Case Circuit Breaker
    GE
    Save $9,192.01
    Sale
    LGMPS400G - Eaton - Molded Case Circuit Breaker
    LGMPS400G - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $7,903.41
    Sale
    LDC3400 - Eaton - Molded Case Circuit Breaker
    LDC3400 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $19,896.88
    Sale
    HKD3400W - Eaton - Molded Case Circuit Breaker
    HKD3400W - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $8,472.51
    HKD3400K - Eaton - Molded Case Circuit Breaker
    HKD3400K - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    TJK426F000 - GE - Frame
    GE
    Sale
    HMCP400N5C - Eaton - Molded Case Circuit Breaker
    HMCP400N5C - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $4,084.97
    HMCP400F5C - Eaton - Molded Case Circuit Breaker
    HMCP400F5C - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    SGLC3604L7XX - GE 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGLC3604L7XX - GE - Molded Case Circuit Breaker
    GE
    SGLC3604L5XX - GE 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGLC3604L5XX - GE - Molded Case Circuit Breaker
    GE
    Sale
    LRA36400U31X - Square D - Molded Case Circuit Breaker
    LRA36400U31X - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $6,825.01
    Sale
    LLA36400U31X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LLA36400U31X - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $6,013.01
    Sale
    LLA36400U33X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LLA36400U33X - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $7,065.01
    Sale
    SGDA36AN0400 - GE 400 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SGDA36AN0400 - GE - Molded Case Circuit Breaker
    GE
    Save $649.01
    Sale
    CJD63H400 - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $8,803.01
    Sale
    CJD63S400A - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $11,618.01
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