Molded Case Circuit Breakers

8451 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    8451 products
    UBIZ3030 - Zinsco 30 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    UBIZ3030 - Zinsco 30 Amp Molded Case Circuit Breaker
    Zinsco
    Sale
    8536SCO3V02H30S - Square D 27 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    8536SCO3V02H30S - Square D - Motor Starter
    Schneider Electric
    Save $230.01
    Sale
    TEYD2030B - GE 30 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYD2030B - GE - Molded Case Circuit Breaker
    GE
    Save $506.01
    CH390 - Eaton - 90 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    PJA36120U44A - Square D 1200 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    PJA36120U44A - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $16,379.01
    Sale
    HJL36060 - Square D - Molded Case Circuit Breaker
    HJL36060 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $1,379.01
    Sale
    EJB34045 - Square D 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EJB34045 - Square D 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EJB34045 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $1,008.01
    Sale
    HJL36100 - Square D - Molded Case Circuit Breaker
    HJL36100 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $1,589.01
    Sale
    LGL36600U31X - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $4,508.01
    Sale
    MDL3800 - Eaton - Circuit Breakers Load Centers
    MDL3800 - Eaton - Circuit Breakers Load Centers
    Eaton Cutler-Hammer
    Save $977
    Sale
    BGA36070 - Square D 70 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    BGA36070 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $895.01
    Sale
    BDA36090 - Square D 90 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA36090 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $625.01
    Sale
    HLXD63B500 - Siemens - Molded Case Circuit Breaker
    HLXD63B500 - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    Save $15,579.01
    Sale
    LGB3B040B - Siemens 40 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    LGB3B040B - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $151
    Sale
    JJL36225 - Square D - Molded Case Circuit Breaker
    JJL36225 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $1,505.01
    Sale
    HDA36060 - Square D 60 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    HDA36060 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $624.01
    Sale
    HGA36020 - Square D 20 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGA36020 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $942.01
    Sale
    HGA36040 - Square D 40 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HGA36040 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $925.01
    Sale
    EDB36020 - Square D 20 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EDB36020 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $269.01
    Sale
    FA36030 - Square D 30 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36030 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $515.21
    Sale
    FA36070 - Square D 70 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36070 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $735.61
    Sale
    FA36100 - Square D 100 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36100 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $981.61
    Sale
    MGA36600 - Square D 600 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    MGA36600 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $4,628.01
    Sale
    EHD2050L - Eaton - Molded Case Circuit Breaker
    EHD2050L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $72
    Sale
    FD3040L - Eaton - Molded Case Circuit Breaker
    FD3040L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $1,637.32
    Sale
    FD3090L - Eaton - Molded Case Circuit Breaker
    FD3090L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $1,860.36
    Sale
    LD3500 - Eaton - Molded Case Circuit Breaker
    LD3500 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $212
    Sale
    MDL3800F - Eaton - Molded Case Circuit Breaker
    MDL3800F - Eaton - Frame
    Eaton Cutler-Hammer
    Save $1,157
    Sale
    TED136150WL - GE 150 Amp 3 Pole 600 Volt Molded Case Thermal Magnetic Circuit Breaker
    TED136150WL - GE - Molded Case Circuit Breaker
    GE
    Save $1,479.01
    Sale
    THQB32090ST1 - GE - 90 Amp Shunt Trip Circuit Breaker
    THQB32090ST1 - GE - 90 Amp Shunt Trip Circuit Breaker
    GE
    Save $344
    Sale
    QR23B200 - Siemens - Molded Case Circuit Breaker
    QR23B200 - Siemens - Molded Case Circuit Breaker
    QR23B200 - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $1,662.01
    Sale
    QRH23B200 - Siemens - Molded Case Circuit Breaker
    QRH23B200 - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $2,599.01
    THQMV175E - General Electrics - Molded Case Circuit Breakers
    THQMV175E - General Electric - Molded Case Circuit Breakers
    General Electric
    Sale
    BRN115A1CS - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $10
    Sale
    BQ250250 - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $32
    Sale
    EGE3025FFG - Eaton - Molded Case Circuit Breakers
    EGE3025FFG - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $80
    Limited availability
    BR120AFCS - Eaton - Molded Case Circuit Breakers
    BR120AFCS - Eaton - Molded Case Circuit Breakers
    Eaton
    Save $9
    KA36200 - Square D - Molded Case Circuit Breaker
    KA36200 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Sale
    QJ23B225 - Siemens - Molded Case Circuit Breaker
    QJ23B225 - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $1,808.01
    Sale
    QJ23B200H - Siemens - Molded Case Circuit Breaker
    QJ23B200H - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $3,427.01
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