Molded Case Circuit Breakers

8450 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    8450 products
    Sale
    LGA36600U33X - Square D 600 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LGA36600U33X - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $4,172.01
    QR22B200L - Siemens 200 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    QR22B200L - Siemens - 200 Amp Molded Case Circuit Breaker
    Siemens / ITE
    Sale
    QGA221252 - Square D 125 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    QGA221252 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $816.01
    Sale
    HDA36100U31X - Square D 100 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HDA36100U31X - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $769.01
    Sale
    QGP22150TM - Square D 150 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    QGP22150TM - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $980.01
    Sale
    LJA36400U44X - Square D - Molded Case Circuit Breakers
    Schneider Electric
    Save $7,827.01
    Sale
    JGA36250U31X - Square D 250 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    JGA36250U31X - Square D - Molded Case Circuit Breakers
    Schneider Electric
    Save $2,226.01
    Sale
    TJD432400WL - GE 400 Amp Molded Case Circuit Breaker
    GE
    Save $3,854.01
    Limited availability
    GHC2020 - Eaton - Molded Case Circuit Breaker
    GHC2020 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $383.51
    Sale
    HDA36110 - Square D 110 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36110 - Square D - 110 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $1,542.01
    Sale
    HMCP250J5W - Eaton Cutler-Hammer 250 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    HMCP250J5W - Eaton - 250 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $254
    Sale
    BGA34125Y - Square D 125 Amp 3 Pole 480 Volt Plug-In Molded Case Circuit Breaker
    BGA34125Y - Square D - 125 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $738.01
    MP290 - Siemens 90 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    MP290 - Siemens - 90 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Sale
    TEYH1020B - GE 20 Amp 1 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYH1020B - GE 20 Amp Molded Case Circuit Breaker
    GE
    Save $283.01
    Limited availability
    THQL2150ST1 - GE - Circuit Breaker with Shunt Trip
    GE
    Save $93.01
    THQMV150D - GE 150 Amp Molded Case Circuit Breaker
    GE
    Sale
    MBK175A - Siemens 175 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    MBK175A - Siemens - 175 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Save $920.01
    Sale
    TEYF330 - GE 30 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYF330 - GE 30 Amp Molded Case Circuit Breaker
    GE
    Save $388.01
    Sale
    B350H00S01 - Siemens - 50 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Save $915.01
    Sale
    TEYD3090B - GE 90 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYD3090B - GE - Molded Case Circuit Breaker
    GE
    Save $672.01
    Sale
    TMQV22200MM - GE 200 Amp Molded Case Circuit Breaker
    GE
    Save $412.01
    Sale
    BR220ST - Eaton Cutler-Hammer 20 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    BR220ST - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $441.03
    MP115GFA - Murray 15 Amp Molded Case Circuit Breaker
    Murray
    BQ2C040 - Challenger 40 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    BQ2C040 - Challenger 40 Amp Molded Case Circuit Breaker
    Challenger
    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
    UBIZ0240 - Connecticut Electric 40 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    UBIZ0240 - Connecticut Electric 40 Amp Molded Case Circuit Breaker
    Connecticut Electric
    Limited availability
    UBIZ0225 - Connecticut Electric 25 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    UBIZ0225 - Connecticut Electric 25 Amp Molded Case Circuit Breaker
    Connecticut Electric
    UBIZ0215 - Zinsco 15 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    UBIZ0215 - Zinsco 15 Amp Molded Case Circuit Breaker
    Zinsco
    UBIP250 - Connecticut Electric 50 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    UBIP250 - Connecticut Electric 50 Amp Molded Case Circuit Breaker
    Connecticut Electric
    Limited availability
    UBITBFP2002 - Thomas & Betts 200 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    UBITBFP2002 - Thomas & Betts 200 Amp Molded Case Circuit Breaker
    Thomas & Betts
    FS240015A - Thomas & Betts 15 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    FS240015A - Thomas & Betts 15 Amp Molded Case Circuit Breaker
    Thomas & Betts
    Sale
    QO120AF - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $194.01
    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 $201.01
    Sale
    FAL32020 - Square D 20 Amp 3 Pole 240 Volt Feed Thru Molded Case Circuit Breaker
    FAL32020 - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $700.01
    Sale
    QOB3251021 - Square D 25 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QOB3251021 - Square D - 25 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $41.01
    Sale
    QBP22125TM - Square D 125 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QBP22125TM - Square D - 125 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $197.01
    Sale
    GHQ1020S - Eaton Cutler-Hammer 20 Amp 1 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    GHQ1020S - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $551.48
    Sale
    CH130ST - Eaton - 30 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $235.01
    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 $196.01
    Sale
    BR330ST - Eaton Cutler-Hammer 30 Amp 3 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    BR330ST - Eaton - 30 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $507.01
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