Molded Case Circuit Breakers

298 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    298 products
    NB111050 - American 50 Amp Molded Case Circuit Breaker
    American
    UBIF250NB - Connecticut Electric 50 Amp 2 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    UBIF250NB - Connecticut Electric 50 Amp Molded Case Circuit Breaker
    Connecticut Electric
    UBIF240NB - Connecticut Electric 40 Amp 2 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    UBIF240NB - Connecticut Electric 40 Amp Molded Case Circuit Breaker
    Connecticut Electric
    NE111020 - Federal Pacific 20 Amp Molded Case Circuit Breaker
    Federal Pacific
    Sale
    HAGF15 - Zinsco 15 Amp Molded Case Circuit Breaker
    Zinsco
    Save $239.51
    Sale
    HAGF20 - Zinsco 20 Amp Molded Case Circuit Breaker
    Zinsco
    Save $88.01
    Sale
    QO120AF - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $175.51
    FAL12030 - Square D 30 Amp 1 Pole 120 Volt Feed Thru Molded Case Circuit Breaker
    FAL12030 - Square D - 30 Amp Molded Case Circuit Breaker
    Schneider Electric
    Sale
    FAL12015 - Square D - 15 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $247.41
    QOB120AS - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Sale
    QO115GF - Square D - 15 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $110.01
    Sale
    QO115AF - Square D - 15 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $107.51
    Sale
    QO120GF - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $98.51
    Sold Out
    QOB1301021 - Square D 30 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    QOB1301021 - Square D - 30 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $86.51
    QOB230SWN - Square D 30 Amp 2 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    QOB230SWN - Square D - 30 Amp Molded Case Circuit Breaker
    Schneider Electric
    QOB220HID - Square D 20 Amp 2 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    QOB220HID - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Sale
    QOB130EPD2100 - Square D 30 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    QOB130EPD2100 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $331.01
    QOB115AF - Square D - 15 Amp Molded Case Circuit Breaker
    Schneider Electric
    QOB2125SL - Square D 125 Amp 2 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    QOB2125SL - Square D - 125 Amp Molded Case Circuit Breaker
    Schneider Electric
    Sale
    QOB130VHGFI - Square D 30 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    QOB130VHGFI - Square D - 30 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $321.01
    CHQ120GF - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    CHQ115GF - Eaton - 15 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $281.51
    BRAF115 - Eaton - 15 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    CHFPAFGF115 - Eaton - 15 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Sold Out
    BRLAFGF120QN - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    BRLAFGF115QN - Eaton - 15 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    BR115CAFA - Eaton - 15 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    E1020 - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    QBGF1030 - Eaton - 30 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    BRHN120AF - Eaton Cutler-Hammer 15 Amp 2 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    BRHN120AF - Eaton - 15 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $521.51
    Sale
    QPGFT1020 - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    QPGFT1020 - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $255.01
    Sold Out
    CH120EPD - Eaton - 20 Amp GFEP Circuit Breaker
    Eaton Cutler-Hammer
    Save $150.01
    Sale
    QOB320EPD - Square D 20 Amp 3 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    QOB320EPD - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $653.51
    Sale
    QPHGFEP1030 - Eaton - Molded Case Circuit Breaker
    QPHGFEP1030 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $952.51
    CH120CAFA - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Molded Case Circuit Breakers
    CH120CAFA - Eaton - 20 Amp Molded Case Circuit Breakers
    Eaton Cutler-Hammer
    Sale
    ED21B035 - Siemens - Molded Case Circuit Breaker
    ED21B035 - Siemens 35 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    ED21B035 - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    Save $237.01
    ED21B025 - Siemens - Molded Case Circuit Breaker
    ED21B025 - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    HB1B030 - Siemens 30 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    HB1B030 - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Sale
    ED41B100 - Siemens 100 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    ED41B100 - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    Save $470.01
    Sale
    ED41B060 - Siemens 60 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    ED41B060 - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    Save $325.01
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