Circuit Breakers

157 products

    Shop our wide selection of Siemens, GE, Eaton Cutler-Hammer, Square D circuit breakers and more.
    157 products
    Q245 - Siemens 45 Amp Double Pole Circuit Breaker
    Q245 - Siemens - 45 Amp Circuit Breaker
    Siemens / ITE
    BR245 - Eaton Cutler-Hammer 45 Amp Double Pole Circuit Breaker
    BR245 - Eaton - 45 Amp Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    QO345 - Square D 45 Amp 3 Pole Circuit Breaker
    QO345 - Square D - 45 Amp Circuit Breaker
    Schneider Electric
    Save $165.01
    QO245 - Square D 45 Amp Double Pole Circuit Breaker
    QO245 - Square D - 45 Amp Circuit Breaker
    Schneider Electric
    Sale
    THQB32045 - GE 45 Amp 3 Pole Bolt-On Circuit Breaker
    THQB32045 - GE - 45 Amp Circuit Breaker
    GE
    Save $147.12
    BAB2045 - Eaton Cutler-Hammer 45 Amp Double Pole Bolt-On Circuit Breaker
    BAB2045 - Eaton - 45 Amp Circuit Breaker
    Eaton Cutler-Hammer
    B345 - Siemens 45 Amp 3 Pole Bolt-On Circuit Breaker
    B345 - Siemens - 45 Amp Circuit Breaker
    Siemens / ITE
    Sale
    GHB3045 - Eaton - Molded Case Circuit Breaker
    GHB3045 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $600.48
    THQB2145 - GE 45 Amp Double Pole Bolt-On Circuit Breaker
    THQB2145 - GE - 45 Amp Circuit Breaker
    GE
    Sale
    Q345 - Siemens 45 Amp 3 Pole Circuit Breaker
    Q345 - Siemens - 45 Amp Circuit Breaker
    Siemens / ITE
    Save $510.01
    Sale
    EDB34045 - Square D 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    EDB34045 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $377.01
    THQL2145 - GE 45 Amp 2 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    THQL2145 - GE - Circuit Breaker
    GE
    Sale
    BAB3045H - Eaton - 45 Amp Circuit Breaker
    BAB3045H - Eaton - 45 Amp Circuit Breaker
    Eaton Cutler-Hammer
    Save $22
    QOU245 - Square D 45 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QOU245 - Square D - 45 Amp Circuit Breaker
    Schneider Electric
    Sale
    TEY345 - GE 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEY345 - GE - Molded Case Circuit Breaker
    GE
    Save $409.01
    Sold Out
    QOB245 - Square D 45 Amp Double Pole Bolt-On Circuit Breaker
    QOB245 - Square D - 45 Amp Circuit Breaker
    Schneider Electric
    Save $49.55
    B245 - Siemens 45 Amp Double Pole Bolt-On Circuit Breaker
    B245 - Siemens - 45 Amp Circuit Breaker
    Siemens / ITE
    THQL32045 - GE 45 Amp 3 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    THQL32045 - GE - Circuit Breaker
    GE
    Sale
    Q22045CT - Siemens 45 Amp 2 Pole 240 Volt Thermal Magnetic Circuit Breaker
    Q22045CT - Siemens - 45 Amp Quad Circuit Breaker
    Siemens / ITE
    Save $247.01
    Sold Out
    QOB345 - Square D 45 Amp 3 Pole Bolt-On Circuit Breaker
    QOB345 - Square D - 45 Amp Circuit Breaker
    Schneider Electric
    Save $146.34
    Sale
    BQ3B045 - Siemens 45 Amp 3 Pole 120/240V BQ Bolt-On Circuit Breaker
    BQ3B045 - Siemens - 45 Amp Circuit Breaker
    Siemens / ITE
    Save $380.01
    Sold Out
    CHF245 - Eaton Cutler-Hammer 45 Amp 2 Pole 240 Volt Circuit Breaker
    CHF245 - Eaton - 45 Amp Circuit Breaker
    Eaton Cutler-Hammer
    Sold Out
    QBHW3045H - Eaton Cutler-Hammer 45 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    QBHW3045H - Eaton - 45 Amp Circuit Breaker
    Eaton Cutler-Hammer
    Save $449.01
    Sold Out
    BR345 - Eaton Cutler-Hammer 45 Amp 3 Pole Circuit Breaker
    BR345 - Eaton - 45 Amp Circuit Breaker
    Eaton Cutler-Hammer
    Save $285.01
    BQ2B045 - Siemens 45 Amp Double Pole 120/240V BQ Bolt-On Circuit Breaker
    BQ2B045 - Siemens - 45 Amp Circuit Breaker
    Siemens / ITE
    Sold Out
    CH345 - Eaton Cutler-Hammer 45 Amp 3 Pole 240 Volt Plug-In Circuit Breaker
    CH345 - Eaton - 45 Amp Circuit Breaker
    Eaton Cutler-Hammer
    Save $282.01
    Sale
    QBHW2045 - Eaton Cutler-Hammer 45 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    QBHW2045 - Eaton - 45 Amp Circuit Breaker
    Eaton Cutler-Hammer
    Save $117.01
    Sale
    EHD3045 - Eaton - Molded Case Circuit Breaker
    EHD3045 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $598.38
    BAB3045HS - Eaton - 45 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    THHQB2145 - GE 45 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    THHQB2145 - GE - Molded Case Circuit Breaker
    GE
    Sale
    TEYD3045B - GE 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYD3045B - GE - Molded Case Circuit Breaker
    GE
    Save $585.01
    Sale
    QO145 - Square D 45 Amp Single Pole Circuit Breaker
    QO145 - Square D 45 Amp Single Pole Circuit Breaker
    QO145 - Square D - 45 Amp Circuit Breaker
    Schneider Electric
    Save $16.11
    Sale
    FA36045 - Square D 45 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    FA36045 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $565.21
    Sale
    THHQB32045 - GE 45 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    THHQB32045 - GE - 22kA Circuit Breaker
    GE
    Save $221.01
    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
    TEY145 - GE - Molded Case Circuit Breaker
    TEY145 - GE - Molded Case Circuit Breaker
    GE
    Sale
    NGB3B045B - Siemens - Molded Case Circuit Breaker
    NGB3B045B - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $973.01
    Sale
    TEYL3045B - GE 45 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYL3045B - GE - Molded Case Circuit Breaker
    GE
    Save $895.01
    B245HH - Siemens 45 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    B245HH - Siemens - Circuit Breaker
    Siemens / ITE
    Sale
    QOB145 - Square D 45 Amp Single Pole Bolt-On Circuit Breaker
    QOB145 - Square D - 45 Amp Circuit Breaker
    Schneider Electric
    Save $23.27
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