1 Pole Breakers

1211 products

    Save on 1 pole, 1 phase circuit breakers. Free shipping on orders over $49. Easy returns. 1 year warranty.
    1211 products
    2510FG5P - Square D 16 Amp 1 Pole 277 Volt Electric Motor Starter
    2510FG5P - Square D - 16 Amp Electric Motor Starter
    Schneider Electric
    Sale
    2510FR1 - Square D 16 Amp 1 Pole 277 Volt Electric Motor Starter
    2510FR1 - Square D - 16 Amp Electric Motor Starter
    Schneider Electric
    Save $201.82
    Sale
    QOB130VHGFI - Square D 30 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    QOB130VHGFI - Square D - 30 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $257.01
    QO115VH - Square D - 15 Amp Molded Case Circuit Breaker
    QO115VH - Square D - 15 Amp Molded Case Circuit Breaker
    QO115VH - Square D - 15 Amp Molded Case Circuit Breaker
    Schneider Electric
    Sale
    BRN115EP - Eaton Cutler-Hammer 15 Amp 1 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    BRN115EP - Eaton - 15 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $621.62
    BRH130 - Eaton Cutler-Hammer 30 Amp 1 Pole 240 Volt Plug-In Molded Case Circuit Breaker
    BRH130 - Eaton - 30 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Limited availability
    BR160 - Eaton Cutler-Hammer 60 Amp 1 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    BR160 - Eaton - 60 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    THQL1135 - GE 35 Amp 1 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    THQL1135 - GE - Circuit Breaker
    GE
    Limited availability
    BR120ST - Eaton Cutler-Hammer 20 Amp 1 Pole 240 Volt Molded Case Circuit Breaker
    BR120ST - Eaton - 20 Amp Shunt Trip Circuit Breaker
    Eaton Cutler-Hammer
    Save $256.28
    Sale
    HGB1B030B - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $454.01
    Sale
    CQD115 - Siemens 15 Amp 1 Pole 277 Volt Molded Case Circuit Breaker
    CQD115 - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $221.01
    Sale
    QOB135 - Square D 35 Amp Single Pole Bolt-On Circuit Breaker
    QOB135 - Square D - 35 Amp Circuit Breaker
    Schneider Electric
    Save $24.81
    BQL40 - Culter-Hammer Bolt-On 40 Amp Single Pole Circuit Breaker
    BQL40 - Commander 40 Amp Circuit Breaker
    Eaton Cutler-Hammer
    Q145 - Siemens 45 Amp Single Pole Circuit Breaker
    Q145 - Siemens - 45 Amp Circuit Breaker
    Siemens / ITE
    Sale
    EDB14070 - Square D 70 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    EDB14070 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $262.01
    EDB16020 - Square D 20 Amp 1 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EDB16020 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Sale
    EDB16030 - Square D 30 Amp 1 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EDB16030 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $74
    QOU125 - Square D 25 Amp 1 Pole 120 Volt Bolt-On Circuit Breaker
    QOU125 - Square D - 25 Amp Circuit Breaker
    Schneider Electric
    Limited availability
    BQGF20 - Eaton Cutler-Hammer 20 Amp 2 Pole 240 Volt Ground Fault Circuit Breakers
    BQGF20 - Commander 20 Amp GFCI Circuit Breakers
    Eaton Cutler-Hammer
    Sale
    EHD1020L - Eaton - Molded Case Circuit Breaker
    EHD1020L - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $159.15
    Limited availability
    GFTCB140 - Eaton Cutler-Hammer 40 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    GFTCB140 - Eaton - 40 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $317.01
    Sale
    GHB1040 - Eaton - Molded Case Circuit Breaker
    GHB1040 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $62
    Limited availability
    QBAF1020 - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Bolt-On Circuit Breaker
    QBAF1020 - Eaton - 20 Amp AFCI Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    QBGFEP1040 - Eaton Cutler-Hammer 40 Amp 1 Pole Ground Fault Equipment Protection Bolt-On Circuit Breaker
    QBGFEP1040 - Eaton - 40 Amp GFEP Circuit Breaker
    Eaton Cutler-Hammer
    Save $543.01
    Sale
    QBHGF1030 - Eaton Cutler-Hammer 30 Amp 1 Pole 240 Volt Ground Fault Circuit Breaker
    QBHGF1030 - Eaton - 30 Amp Ground Fault Circuit Breaker
    Eaton Cutler-Hammer
    Save $167
    Sale
    QCGF1020 - Eaton - Circuit Breaker
    QCGF1020 - Eaton - GFCI Circuit Breaker
    Eaton Cutler-Hammer
    Save $196.01
    Sale
    TED113020WL - GE 20 Amp 1 Pole 240 Volt Molded Case Circuit Breaker General Electric Lug
    TED113020WL - GE - Molded Case Circuit Breaker
    GE
    Save $254.01
    Limited availability
    TEY135 - GE - Molded Case Circuit Breaker
    TEY135 - GE - Molded Case Circuit Breaker
    GE
    Sale
    MBKQJ3 - Siemens 225 Amp 1 Pole Molded Case Circuit Breaker Mounting
    MBKQJ3 - Siemens - Mounting Kit
    Siemens / ITE
    Save $767.01
    Limited availability
    LB120AS - Leviton - Circuit Breakers
    LB120AS - Leviton - Circuit Breakers
    Leviton
    Sale
    CHFN120A1CS - Eaton - Dual Function Circuit Breaker
    CHFN120A1CS - Eaton - Dual Function Circuit Breaker
    Eaton Cutler-Hammer
    Save $9
    Limited availability
    BQ1B02000S01 - Siemens - 20 Amp Shunt Trip Circuit Breaker
    Siemens / ITE
    Save $227.01
    Sale
    FH16020A - Square D 20 Amp 1 Pole 277 Volt Molded Case Circuit Breaker
    FH16020A - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $468.41
    31041-400-60 - Square D 30 Amp 1 Pole 480 Volt Magnetic Coil
    31041-400-60 - Square D - 30 Amp Magnetic Coil
    Schneider Electric
    THQC1115 - GE - Molded Case Circuit Breaker
    THQC1115 - GE - Molded Case Circuit Breaker
    GE
    QCR1015 - Eaton - Molded Case Circuit Breaker
    QCR1015 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    HFD1040 - Eaton - Molded Case Circuit Breaker
    HFD1040 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $41
    Limited availability
    FD1050 - Eaton - Molded Case Circuit Breaker
    FD1050 (277V)- Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $583.10
    Sale
    ED41B040 - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    Save $305.01
    ED41B020 - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
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