Molded Case Circuit Breakers

8699 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    8699 products
    UBIF2100N - Federal Pacific 100 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    UBIF2100N - Federal Pacific 100 Amp Molded Case Circuit Breaker
    Federal Pacific
    NB221090 - Federal Pacific 90 Amp Molded Case Circuit Breaker
    Federal Pacific
    21-C145NFJ - Eaton - 225 Amp Molded Case Circuit Breaker
    Hardware Resource Company
    21-C142NEJ - Eaton - 225 Amp Molded Case Circuit Breaker
    Hardware Resource Company
    Sale
    373B331G10 - Westinghouse 27 Amp 600 Volt Molded Case Circuit Breaker
    373B331G10 - Westinghouse 27 Amp Molded Case Circuit Breaker
    Westinghouse
    Save $268.01
    NEF421015 - Federal Pacific 15 Amp Molded Case Circuit Breaker
    Federal Pacific
    Sale
    KRP-C-1000SP - Cooper Bussmann 1000 Amp 600 Volt Molded Case Circuit Breaker
    KRP-C-1000SP - Cooper Bussmann 1000 Amp Molded Case Circuit Breaker
    Bussmann
    Save $627.78
    21-D147TQD - Eaton - 225 Amp Molded Case Circuit Breaker
    Hardware Resource Company
    Limited availability
    NJL3K - Federal Pacific 400 Amp Molded Case Circuit Breaker
    Federal Pacific
    NE231070 - Federal Pacific 70 Amp Molded Case Circuit Breaker
    Federal Pacific
    NE231020 - Federal Pacific 20 Amp Molded Case Circuit Breaker
    Federal Pacific
    NE231015 - Federal Pacific 15 Amp Molded Case Circuit Breaker
    Federal Pacific
    QYU120 - Square D 20 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    QYU120 - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    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 $279.41
    FA14070C - Square D - 70 Amp Molded Case Circuit Breaker
    Schneider Electric
    FY14015B - Square D 15 Amp 1 Pole 277 Volt Plug-In Molded Case Circuit Breaker
    FY14015B - Square D - 15 Amp Molded Case Circuit Breaker
    Schneider Electric
    Sale
    QO115GF - Square D - 15 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $146.01
    Sale
    QO115AF - Square D - 15 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $184.01
    Sale
    QO120GF - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $138.01
    FJA140205 - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    FA14070A - Square D - 70 Amp Molded Case Circuit Breaker
    Schneider Electric
    Sale
    FA14050A - Square D 50 Amp 1 Pole 277 Volt Plug-In Molded Case Circuit Breaker
    FA14050A - Square D - 50 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $269.41
    Limited availability
    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 $129.01
    Sale
    FAL14050 - Square D 50 Amp 1 Pole 277 Volt Feed Thru Molded Case Circuit Breaker
    FAL14050 - Square D - 50 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $339.81
    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
    FDA140451 - Square D - 45 Amp Molded Case Circuit Breaker
    Schneider Electric
    QO230SWN - Square D 30 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    QO230SWN - Square D - 30 Amp Molded Case Circuit Breaker
    Schneider Electric
    Sale
    QOU3501200 - Square D 50 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QOU3501200 - Square D - 50 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $293.01
    Sale
    FA14100A - Square D - 100 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $272.41
    Sale
    FA14070B - Square D - 70 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $267.41
    Sale
    QOU3301021 - Square D - 30 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $329.01
    Sale
    QOU3201021 - Square D 20 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QOU3201021 - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $329.01
    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
    QBL22070 - Square D 70 Amp 2 Pole 240 Volt Feed Thru Molded Case Circuit Breaker
    QBL22070 - Square D - 70 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $254.01
    Sale
    FAL22035 - Square D - 35 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $178.73
    Sale
    FA22030BC - Square D 30 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    FA22030BC - Square D - 30 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $197.61
    Sale
    FA22015AB - Square D - 15 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $197.61
    QOB330SWN - Square D 30 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QOB330SWN - Square D - 30 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 $399.01
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