20 Amp Breakers

181 products

    Save on 20 amp circuit circuit breakers. Free shipping on orders over $49. Easy returns. 1 year warranty.
    181 products
    QO2030 - Square D Space Saver Tandem 20/30 Amp Circuit Breaker
    QO2030 - Square D - Tandem 20/30 Amp Circuit Breaker
    Plug-In - 20/30 Amp - 1 Pole - 120 Volt
    Schneider Electric
    Sale
    QOB120VH - Square D - 20 Amp 22kA Circuit Breaker
    QOB120VH - Square D - 20 Amp 22kA Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Schneider Electric
    Save $21 CAD
    QE120 - Siemens 20 Amp 1 Pole 120 Volt Ground Fault Equipment Protection Circuit Breaker
    QE120 - Siemens - 20 Amp GFEP Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Siemens / ITE
    QBHW1020 - Eaton Cutler-Hammer 20 Amp 1 Pole 240 Volt Molded Case Circuit Breaker
    QBHW1020 - Eaton - 20 Amp Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 240 Volt
    Eaton Cutler-Hammer
    BF120A - Siemens 20 Amp Single Pole GFCI Bolt-On Circuit Breaker
    BF120A - Siemens - 20 Amp GFCI Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Siemens / ITE
    QCF1020 - Eaton - Circuit Breaker
    QCF1020 - Eaton - Circuit Breaker
    Feed Thru - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    EDB16020 - Square D 20 Amp 1 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    EDB16020 - Square D - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 347 Volt
    Schneider Electric
    CHOM120PDF - HomeLine - Dual Function Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Schneider Electric
    BE120 - Siemens 20 Amp 1 Pole 120 Volt Ground Fault Equipment Protection Circuit Breaker
    BE120 - Siemens - 20 Amp GFEP Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Siemens / ITE
    Sale
    THQL1120DF - GE - 20 Amp Dual Function Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    GE
    Save $50 CAD
    BRP115DFC - Eaton Cutler-Hammer 15 Amp Single Pole Dual Function Arc Fault & Ground Fault Circuit Breaker
    BRP120DFC - Eaton - 20 Amp Dual Function Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    GBH1020 - Eaton - Circuit Breaker Load Center
    GBH1020 - Eaton - 20 Amp Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 600 Volt
    Eaton Cutler-Hammer
    BQD6120 - Siemens - Circuit Breaker
    BQD6120 - Siemens - Circuit Breaker
    BQD6120 - Siemens - Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 347 Volt
    Siemens / ITE
    B120H - Siemens 20 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    B120H - Siemens - 20 Amp 22kA Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Siemens / ITE
    EDSC2129 - Crouse Hinds 20 Amp 1 Pole 277 Volt Snap Switch Control Station
    EDSC2129-SA - Crouse-Hinds - Control Station
    20 Amp - 1 Pole - 277 Volt
    Crouse-Hinds
    QC1020 - Eaton - Circuit Breaker
    QC1020 - Eaton - Circuit Breaker
    Feed Thru - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    QBGFEP1020 - Eaton Cutler-Hammer 20 Amp 1 Pole Ground Fault Equipment Protection Bolt-On Circuit Breaker
    QBGFEP1020 - Eaton - 20 Amp GFEP Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    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
    Limited availability
    BQGF20 - Commander 20 Amp 1 Pole Bolt-On GFCI Circuit Breakers
    BQGF20 - Commander 20 Amp GFCI Circuit Breakers
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    EDB14020 - Square D 20 Amp 1 Pole 277 Volt Bolt-On Circuit Molded Case Breaker
    EDB14020 - Square D - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 277 Volt
    Schneider Electric
    QO120EPD - Square D - 20 Amp GFEP 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
    THQB1120GFT - GE - 20 Amp GFCI Circuit Breaker
    THQB1120GFT - GE - 20 Amp GFCI Circuit Breaker
    THQB1120GFT - GE - 20 Amp GFCI Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    GE
    QBGFT1020 - Eaton Cutler-Hammer 20 Amp Single Pole GFCI Bolt-On Circuit Breaker
    QBGFT1020 - Eaton - 20 Amp GFCI Circuit Breaker
    Bolt On - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    THHQB1120 - GE 20 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    THHQB1120 - GE - 22kA Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    GE
    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
    ED61B020 - Siemens - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 600 Volt
    Siemens/ITE
    EDSC2129 - Crouse Hinds 20 Amp 1 Pole 277 Volt Snap Switch Control Station
    EDSC2129 - Crouse-Hinds - Control Station
    20 Amp - 1 Pole - 277 Volt
    Crouse-Hinds
    QCR1020 - Eaton - Circuit Breaker
    QCR1020 - Eaton - Circuit Breaker
    Feed Thru - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    CHT1520 - Eaton - Plug-In Molded Case Circuit Breaker
    CHT1520 - Eaton - Tandem Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 3 Volt
    Eaton Cutler-Hammer
    Sale
    CHFP120AF - Eaton - 20 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
    ECB14020G3 - Square D 20 Amp 1 Pole 480 Volt Bolt-On Molded Case Circuit Breaker
    ECB14020G3 - Square D - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 3 Pole - 480 Volt
    Schneider Electric
    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
    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
    QOB120CAFI - Square D - 20 Amp AFCI Circuit Breaker
    QOB120CAFI - Square D - 20 Amp AFCI Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Schneider Electric
    Save $186 CAD
    CQD120 - Siemens - Molded Case Circuit Breaker
    CQD120 - Siemens - Molded Case Circuit Breaker
    Feed Thru - 20 Amp - 1 Pole - 277 Volt
    Siemens / ITE
    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
    THQC1120WL - GE - Molded Case Circuit Breaker
    THQC1120WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 1 Pole - 120 Volt
    GE
    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
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