Molded Case Circuit Breakers

357 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    357 products
    Sale
    BGA36020 - Square D 20 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    BGA36020 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $918.01
    Sale
    HGA36020 - Square D 20 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGA36020 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $925.01
    Sale
    FD3020 - Eaton - Molded Case Circuit Breaker
    FD3020 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $1,637.32
    BRCAF120 - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    BRCAF120 - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
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    QBHW2020H - Eaton Cutler-Hammer 20 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QBHW2020H - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
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    CHF120ST - Eaton Cutler-Hammer 20 Amp 1 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    CHF120ST - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    GD3020D - Eaton - Molded Case Circuit Breaker
    GD3020D - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $778.85
    Sale
    QO3201021 - Square D 20 Amp 3 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    QO3201021 - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $127.01
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    CH220GF - Eaton Cutler-Hammer 20 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    CH220GF - Eaton - 20 Amp GFCI Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    EHD3020L - Eaton - Molded Case Circuit Breaker
    EHD3020L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $546.08
    Sale
    HEB3B020B - Siemens - Molded Case Circuit Breaker
    HEB3B020B - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $457.01
    Sale
    HFD3020 - Eaton - Moded Case Circuit Breaker
    HFD3020 - Eaton - Moded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $1,957.32
    Sale
    FBN36TE020RV - GE 20 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    FBN36TE020RV - GE - Molded Case Circuit Breaker
    GE
    Save $705.01
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    BG220 - Siemens 20 Amp 2 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    BG220 - Siemens - 20 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Save $164.01
    Sale
    BF120 - Siemens 20 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    BF120 - Siemens - 20 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Save $316.01
    Sale
    B320H00S01 - Siemens - 20 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Save $916.01
    Sold Out
    EGB1020FFB - Eaton Cutler-Hammer 20 Amp 1 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    EGB1020FFB - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $109.01
    UBIZ2020 - Zinsco 20 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    UBIZ2020 - Zinsco 20 Amp Twin Molded Case Circuit Breaker
    Zinsco
    Sale
    GD3020 - Eaton - Molded Case Circuit Breaker
    GD3020 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $714.85
    LGB1B020B - Siemens 20 Amp 1 Pole 347 Volt Bolt-On Molded Case Circuit Breaker
    LGB1B020B - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
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    CQD220 - Siemens - Molded Case Circuit Breaker
    CQD220 - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    THQC1120WL - GE - Molded Case Circuit Breaker
    GE
    Sale
    TEYH3020B - GE 20 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYH3020B - GE - Molded Case Circuit Breaker
    GE
    Save $654.01
    Sale
    GHQRSP1020 - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $228.01
    Sale
    HGHB1020 - Eaton Cutler-Hammer 20 Amp 1 Pole 277 Volt Feed Thru Molded Case Circuit Breaker
    HGHB1020 - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $141.10
    CH120GF - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    BABRP1020 - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    BABRP1020 - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $383.72
    Sale
    NGB1B020B - Siemens - Molded Case Circuit Breaker
    NGB1B020B - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $236.01
    Sale
    NGB2B020B - Siemens - Molded Case Circuit Breaker
    NGB2B020B - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $854.01
    Sale
    HFD1020 - Eaton - Molded Case Circuit Breaker
    HFD1020 (277V)- Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $547.32
    Sale
    BAB3020C - Eaton Cutler-Hammer 20 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    BAB3020C - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $149.22
    UBIP2020 - Connecticut Electric 20 Amp 2 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    UBIP2020 - Connecticut Electric 20 Amp Molded Case Circuit Breaker
    Connecticut Electric
    Sale
    QHB220 - Square D 20 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QHB220 - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $141.01
    FS130020A - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    EGS1020FFB - Eaton Cutler-Hammer 20 Amp 1 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    EGS1020FFB - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $137.51
    Sold Out
    CHF220ST - Eaton Cutler-Hammer 20 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    CHF220ST - Eaton - 20 Amp Shunt Trip Circuit Breaker
    Eaton Cutler-Hammer
    Save $400.42
    Sold Out
    QBH1020GF - Eaton Cutler-Hammer 20 Amp 1 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QBH1020GF - Eaton - 20 Amp GFCI Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    FH26020AC - Square D 20 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FH26020AC - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $1,169.81
    Sale
    TEYL2020B - GE 20 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYL2020B - GE - Molded Case Circuit Breaker
    GE
    Save $749.01
    Sold Out
    B220HID - Siemens - Molded Case Circuit Breaker
    B220HID - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
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