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
    Limited availability
    NGG1B030 - Siemens - Molded Case Circuit Breaker
    Siemens/ITE
    Save $319.01
    Sale
    HFD1040 - Eaton - Molded Case Circuit Breaker
    HFD1040 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $41
    Sale
    EHD1020 - Eaton - Molded Case Circuit Breaker
    EHD1020 - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $159.15
    Sale
    TED113050 - GE 50 Amp 1 Pole 277 Volt Molded Case Circuit Breaker General Electric Lug
    TED113050 - GE - Molded Case Circuit Breaker
    GE
    Save $244.01
    Sale
    QB1030EP - Eaton Cutler-Hammer 30 Amp 1 Pole 120 Volt Bolt-On Circuit Breaker
    QB1030EP - Eaton - 30 Amp GFEP Circuit Breaker
    Eaton Cutler-Hammer
    Save $436.01
    QB1015GF - Eaton Cutler-Hammer 15 Amp Single Pole Ground Fault Bolt-On Circuit Breaker
    QB1015GF - Eaton - 15 Amp GFCI Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    HGHB1020 - Eaton Cutler-Hammer 20 Amp 1 Pole 277 Volt Feed Thru Molded Case Circuit Breaker
    HGHB1020 - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $177.10
    E41B060 - Siemens - 60 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Sale
    BQD1100 - Siemens 100 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    BQD1100 - Siemens - 100 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Save $437.01
    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
    Sale
    TEYF120 - GE 20 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    TEYF120 - GE 20 Amp Molded Case Circuit Breaker
    GE
    Save $235.01
    B120DF - Siemens 20 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    B120DF - Siemens - 20 Amp Molded Case Circuit Breaker
    Siemens/ITE
    Sale
    TEYL1035B - GE 35 Amp 1 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    TEYL1035B - GE 35 Amp Molded Case Circuit Breaker
    GE
    Save $255.01
    Sale
    BF130A - Siemens 30 Amp Single Pole GFCI Bolt-On Circuit Breaker
    BF130AH - Siemens - 30 Amp 22 kA GFCI Circuit Breaker
    Siemens / ITE
    Save $967.01
    UBIA15NI - Connecticut Electric 15 Amp 1 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    UBIA15NI - Connecticut Electric 15 Amp Molded Case Circuit Breaker
    Connecticut Electric
    MP115GFA - Murray 15 Amp Molded Case Circuit Breaker
    Murray
    2510FG5 - Square D 16 Amp 1 Pole 277 Volt Electric Motor Starter
    2510FG5 - Square D - 16 Amp Electric Motor Starter
    Schneider Electric
    Sale
    QO120AF - Square D - 20 Amp Molded Case Circuit Breaker
    Schneider Electric
    Save $194.01
    FH16040C - Square D - 40 Amp Molded Case Circuit Breaker
    Schneider Electric
    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
    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
    QBHW1020S - Eaton Cutler-Hammer 20 Amp 1 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QBHW1020S - Eaton - 20 Amp Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $312.01
    QBH1020GF - Eaton Cutler-Hammer 20 Amp 1 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QBH1020GF - Eaton - 20 Amp GFCI Circuit Breaker
    Eaton Cutler-Hammer
    THHQL1130 - GE 30 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    THHQL1130 - GE - Molded Case 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
    QOB115AFI - Square D 15 Amp 1 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QOB115AFI - Square D - 15 Amp AFCI Circuit Breaker
    Schneider Electric
    Save $171.01
    Sale
    EJB14060 - Square D 60 Amp 1 Pole 277 Volt Bolt-On Circuit Molded Case Breaker
    EJB14060 - Square D 60 Amp 1 Pole 277 Volt Bolt-On Circuit Molded Case Breaker
    EJB14060 - Square D - Molded Case Circuit Breaker
    Schneider Electric
    Save $308.01
    HGB1B020B - Siemens 20 Amp 1 Pole 347 Volt Bolt-On Molded Case Circuit Breaker
    HGB1B020B - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Sale
    CQD115 - Siemens 15 Amp 1 Pole 277 Volt Molded Case Circuit Breaker
    CQD115 - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $221.01
    Limited availability
    EDB14045 - Square D 45 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    EDB14045 - 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
    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
    Limited availability
    BR155 - Eaton Cutler-Hammer 55 Amp 1 Pole 240 Volt Plug-In Circuit Breaker
    BR155 - Eaton - 55 Amp 120/Plug-In Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    FD1020L - Eaton - Molded Case Circuit Breaker
    FD1020L (277V) - Eaton - Molded Case Circuit Breaker
    Eaton Cutler-Hammer
    Save $599.10
    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
    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 $571.01
    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
    QBHW1045 - Eaton Cutler-Hammer 45 Amp 1 Pole 240 Volt Molded Case Circuit Breaker
    QBHW1045 - Eaton - 45 Amp Circuit Breaker
    Eaton Cutler-Hammer
    QC1040 - Eaton - Circuit Breaker
    QC1040 - Eaton - Circuit Breaker
    Eaton Cutler-Hammer
    Sale
    HEB1B020B - Siemens 20 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    HEB1B020B - Siemens - Molded Case Circuit Breaker
    Siemens / ITE
    Save $2,559.01
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