Molded Case Circuit Breakers

2237 products

    Shop our wide selection molded case (MCCB) circuit breakers. 
    2237 products
    Sale
    EJB34060 - Square D 60 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EJB34060 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $928.01
    Sale
    EGB34070 - Square D 70 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EGB34070 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $864.01
    Sale
    HKD3400F - Eaton 400 amp 3 pole Circuit Breaker Frame
    HKD3400F - Eaton 400 amp 3 pole Circuit Breaker Frame
    HKD3400F - Eaton Cutler-Hammer 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Frame
    Eaton Cutler-Hammer
    Save $174.01
    Sale
    JDL36175 - Square D 175 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    JDL36175 - Square D 175 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    Schneider Electric
    Save $404.21
    Sale
    QBL32225 - Square D 225 Amp 3 Pole 240 Volt Thermal Magnetic Molded Case Circuit Breaker
    QBL32225 - Square D 225 Amp 3 Pole 240 Volt Thermal Magnetic Molded Case Circuit Breaker
    Schneider Electric
    Save $788.01
    Sale
    HFD3060L - Eaton Cutler-Hammer 60 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HFD3060L - Eaton Cutler-Hammer 60 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $1,730.19
    Sale
    HFD3080L - Eaton Cutler-Hammer 80 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HFD3080L - Eaton Cutler-Hammer 80 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $2,147.66
    Sale
    TQD22100WL - GE 100 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    TQD22100WL - GE - Molded Case Circuit Breaker
    GE
    Save $81.01
    Sale
    TQD22125WL - GE 125 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    TQD22125WL - GE - Molded Case Circuit Breaker
    GE
    Save $57.01
    QN2175 - Siemens 175 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    QN2175 - Siemens 175 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    Siemens / ITE
    HFD3150 - Eaton Cutler Hammer 150 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HFD3150 - Eaton Cutler Hammer 150 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    BDA36080 - Square D 80 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA36080 - Square D 80 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    Schneider Electric
    Save $505.01
    Sale
    BDA36030 - Square D 30 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA36030 - Square D 30 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    Schneider Electric
    Save $412.01
    Sale
    BDA36020 - Square D 20 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA36020 - Square D 20 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    Schneider Electric
    Save $412.01
    Sale
    EJB34040 - Square D 40 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EJB34040 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $958.01
    Sale
    JJA36200 - Square D 200 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    JJA36200 - Square D 200 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    Schneider Electric
    Save $57.01
    Sale
    EDB24040 - Square D 40 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB24040 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $386.01
    Sale
    EDB24100 - Square D 100 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB24100 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $463.01
    FAL34030 - Square D 30 Amp 3 Pole 480 Volt Lug Molded Case Circuit Breaker
    FAL34030 - Square D 30 Amp 3 Pole 480 Volt Lug Molded Case Circuit Breaker
    Schneider Electric
    QBL22150 - Square D 150 Amp 2 Pole 240 Volt Thermal Magnetic Molded Case Circuit Breaker
    QBL22150 - Square D 150 Amp 2 Pole 240 Volt Thermal Magnetic Molded Case Circuit Breaker
    Schneider Electric
    Sale
    EHD3100L - Eaton Cutler-Hammer 100 Amp 3 Pole 480 Volt Molded Case Circuit Breaker
    EHD3100L - Eaton Cutler-Hammer 100 Amp 3 Pole 480 Volt Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $607.26
    Sale
    SEDA36AT0100 - GE 100 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SEDA36AT0100 - GE - Molded Case Circuit Breaker
    GE
    Save $453.01
    Sale
    SELA36AI0030 - GE 30 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SELA36AI0030 - GE - Molded Case Circuit Breaker
    GE
    Save $361.01
    Sale
    SELA36AT0150 - GE 150 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    SELA36AT0150 - GE - Molded Case Circuit Breaker
    GE
    Save $2,313.01
    Sale
    TEY220 - GE 20 Amp 2 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEY220 - GE - Molded Case Circuit Breaker
    GE
    Save $181.01
    Sold Out
    THQC2140WL - GE 40 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    THQC2140WL - GE - Molded Case Circuit Breaker
    GE
    Sale
    FXD63B175 - Siemens 175 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    FXD63B175 - Siemens 175 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    Siemens / ITE
    Save $9.16
    Sale
    HEB3B100B - Siemens 100 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    HEB3B100B - Siemens 100 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    Siemens / ITE
    Save $6,439.01
    Sale
    EGB34100 - Square D 100 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker
    EGB34100 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $892.01
    Sale
    QDL22200 - Square D 200 Amp Double Pole 240 Volt PowerPact Q Molded Case Circuit Breaker
    QDL22200 - Square D 200 Amp Double Pole 240 Volt PowerPact Q Molded Case Circuit Breaker
    Schneider Electric
    Save $358.01
    Sale
    HJA36030 - Square D 30 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJA36030 - Square D 30 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    Schneider Electric
    Save $1,138.01
    FAL34060 - Square D 60 Amp 3 Pole 480 Volt Lug Molded Case Circuit Breaker
    FAL34060 - Square D 60 Amp 3 Pole 480 Volt Lug Molded Case Circuit Breaker
    Schneider Electric
    Sale
    LJA36400U31X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    LJA36400U31X - Square D 400 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    Schneider Electric
    Save $2,773.01
    Sale
    MJA36800 - Square D 800 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    MJA36800 - Square D 800 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    Schneider Electric
    Save $4,770.01
    Sale
    HFD3020L - Eaton Cutler-Hammer 20 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HFD3020L - Eaton Cutler-Hammer 20 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $1,738.32
    Sold Out
    SRPK800A800 - GE 800 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Rating Plug
    SRPK800A800 - GE 800 Amp 3 Pole 600 Volt Molded Case Circuit Breaker Rating Plug
    GE
    THQL2130GFT - GE 30 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    THQL2130GFT - GE 30 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    GE
    Sale
    QRH22B200 - Siemens 200 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QRH22B200 - Siemens 200 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    Siemens / ITE
    Save $1,538.01
    Sale
    BGA36030 - Square D 30 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    BGA36030 - Square D 30 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    Schneider Electric
    Save $718.01
    Sale
    JJA36250 - Square D 250 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    JJA36250 - Square D 250 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    Schneider Electric
    Save $1,021.01
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