20 Amp Breakers

130 products

    Save on 20 amp circuit circuit breakers. Free shipping on orders over $49. Easy returns. 1 year warranty.
    130 products
    BRN120EP - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    BRN120EP - Eaton - 30mA GFEP Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    CHT2020 - Eaton - Plug-In Molded Case Circuit Breaker
    CHT2020 - Eaton - Tandem Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    QO3020 - Square D - Tandem 30/20 Amp Circuit Breaker
    Plug-In - 30/20 Amp - 1 Pole - 120 Volt
    Schneider Electric
    GFEP120 - Eaton Cutler-Hammer 20 Amp 1 Pole Ground Fault Equipment Protection Circuit Breaker
    GFEP120 - Eaton - 30 mA GFEP Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    QO120EPD - Square D - 20 Amp GFEP Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Schneider Electric
    QO120VH - Square D - 20 Amp Molded Case Circuit Breaker
    QO120VH - Square D - 20 Amp Molded Case Circuit Breaker
    QO120VH - Square D - 20 Amp Molded Case Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Schneider Electric
    Limited availability
    QO120HM - Square D 20 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    QO120HM - Square D - 20 Amp Molded Case Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Schneider Electric
    Sale
    CHFP120AF - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Molded Case Circuit Breakers
    CHFP115AF - Eaton - 15 Amp Arc Fault (AFCI) Circuit Breaker
    CHFP120AF - Eaton - 20 Amp Arc Fault (AFCI) Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Save $7 CAD
    CHT1520 - Eaton - Plug-In Molded Case Circuit Breaker
    CHT1520 - Eaton - Tandem Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 3 Volt
    Eaton Cutler-Hammer
    Q120H - Siemens 20 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    Q120H - Siemens - 20 Amp 22kA Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Siemens / ITE
    BR2015 - Eaton Cutler-Hammer Tandem 20/15 Amp Single Pole Circuit Breaker
    BR2015 - Eaton Cutler-Hammer Tandem 20/15 Amp Single Pole Circuit Breaker
    DNPL2015 - Eaton - Tandem 20/15 Amp Circuit Breaker
    Plug-In - 15/20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    BR420 - Eaton Cutler-Hammer 20 Amp 4 Pole 240 Volt Molded Case Circuit Breakers
    BR420 - Eaton - 20 Amp Molded Case Circuit Breakers
    Plug-In - 20 Amp - 4 Pole - 240 Volt
    Eaton Cutler-Hammer
    Sale
    CHFP120DF - Eaton - 20 Amp Dual Function Circuit Breaker
    CHFP120DF - Eaton - 20 Amp Dual Function Circuit Breaker
    CHFP120DF - Eaton - 20 Amp Dual Function Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Save $36 CAD
    Sale
    BR120AF - Eaton - 20 Amp Molded Case Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Save $16 CAD
    Sale
    BJA36020 - Square D 20 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    BJA36020 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 20 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $310 CAD
    QO220VH - Square D - Molded Case Circuit Breaker
    QO220VH - Square D - Molded Case Circuit Breaker
    QO220VH - Square D - Molded Case Circuit Breaker
    Plug-In - 20 Amp - 2 Pole - 120 Volt
    Schneider Electric
    Q120DFH - Siemens 20 Amp 1 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    Q120DFH - Siemens - 20 Amp Molded Case Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Siemens / ITE
    Limited availability
    CH120AF - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    CH120AF - Eaton - 20 Amp Molded Case Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    QO220EPD - Square D - 20 Amp GFEP Circuit Breaker
    Plug-In - 20 Amp - 2 Pole - 240 Volt
    Schneider Electric
    QG320 - Siemens 20 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    QG320 - Siemens - 20 Amp Molded Case Circuit Breaker
    Plug-In - 20 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    Limited availability
    CQO120PAFGF - Square D - Dual Function Circuit Breaker
    CQO120PAFGF - Square D - Dual Function Circuit Breaker
    CQO120PAFGF - Square D - Dual Function Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Schneider Electric
    Save $251.01 CAD
    Sale
    THQL1120DFS - GE - 20 Amp Dual Function Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    GE
    Save $50 CAD
    CH120CAFA - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Molded Case Circuit Breakers
    CH120CAFA - Eaton - 20 Amp Molded Case Circuit Breakers
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    BRH320 - Eaton Cutler-Hammer 20 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    BRH320 - Eaton - 20 Amp Molded Case Circuit Breaker
    Plug-In - 20 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Sale
    QF120AH - Siemens 20 Amp 1 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    QF120AH - Siemens - 20 Amp Molded Case Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Siemens/ITE
    Save $763.01 CAD
    Sale
    QO320GFI - Square D - Molded Case Circuit Breaker
    Plug-In - 20 Amp - 3 Pole - 240 Volt
    Schneider Electric
    Save $70.01 CAD
    Limited availability
    THQL2130GFEP - GE 30 Amp 2 Pole 240 Volt Molded Case Breaker
    THQL2120GFEP - GE 20 Amp 30 mA GFEP Breaker
    Plug-In - 20 Amp - 2 Pole - 240 Volt
    GE
    THHQL1120 - GE 20 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    THHQL1120 - GE - Molded Case Circuit Breaker
    Plug-In- 20 Amp - 1 Pole - 120 Volt
    GE
    Limited availability
    BRLAFGF120 - Eaton Cutler-Hammer 20 Amp Single Pole Dual Function Circuit Breaker
    BRLAFGF120 - Eaton - 20 Amp Dual Function Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    CH320 - Eaton - 20 Amp Circuit Breaker
    Plug-In - 20 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    Q320H - Siemens 20 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    Q320H - Siemens - 20 Amp 22kA Circuit Breaker
    Plug-In - 20 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    Q32000S01 - Siemens 20 Amp 3 Pole 240 Volt Molded Case Circuit Breaker
    Q32000S01 - Siemens - 20 Amp Molded Case Circuit Breaker
    Plug-In - 20 Amp - 3 Pole - 240 Volt
    Siemens / ITE
    Q220H - Siemens 20 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    Q220H - Siemens - 20 Amp 22kA Circuit Breaker
    Plug-In - 20 Amp - 2 Pole - 240 Volt
    Siemens / ITE
    Sale
    CHFN220GF - Eaton Cutler-Hammer 20 Amp 2 Pole 240 Volt Ground Fault Plug-In Breaker
    CHFN220GF - Eaton - 20 Amp Ground Fault Breaker
    Eaton Cutler-Hammer
    Save $66 CAD
    BRN220EP - Eaton Cutler-Hammer 20 Amp Ground Fault Equipment Protection Circuit Breaker
    BRN220EP - Eaton - 30 mA GFEP Circuit Breaker
    Plug-In - 20 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
    Limited availability
    CHFN120EP - Eaton - Molded Case Circuit Breaker
    20 Amp - 1 Pole - 120 Volt
    Eaton
    Sale
    CHFN220GF - Eaton Cutler-Hammer 20 Amp 2 Pole 240 Volt Ground Fault Plug-In Breaker
    CHN220GF - Eaton - 20 Amp Ground Fault Breaker
    Eaton Cutler-Hammer
    Save $66 CAD
    BDA260201 - Square D 20 Amp 2 Pole 600 Volt Plug-In Circuit Breaker Mounting Hardware
    BDA260201 - Square D - 20 Amp Molded Case Circuit Breaker
    I-Line Plug-In - 20 Amp - 2 Pole - 600 Volt
    Schneider Electric
    Limited availability
    CH120EPD - Eaton - 20 Amp GFEP Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Save $226 CAD
    Sale
    THHQB2120GFT - GE - 22 kA GFCI Circuit Breaker
    Plug-In - 20 Amp - 2 Pole - 240 Volt
    GE
    Save $59 CAD
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