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
    QB1020GF - Eaton Cutler-Hammer 20 Amp Single Pole Ground Fault Bolt-On Circuit Breaker
    QB1020GF - Eaton - 20 Amp Ground Fault Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Sale
    QB1020EP - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Ground Fault Circuit Breaker
    QB1020EP - Eaton - 20 Amp GFEP Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Save $346.01 CAD
    DSD933 - Crouse Hinds 20 Amp 1 Pole 277 Volt Switch Cover and Device Sub-Assembly
    DSD933 SA - Crouse Hinds - Switch Cover
    20 Amp - 1 Pole - 120V
    Crouse-Hinds
    QB1020CAF - Eaton Cutler-Hammer 20 Amp 1 Pole 240 Volt Bolt-On Molded Case Circuit Breaker
    QB1020CAF - Eaton - 20 Amp Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    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
    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
    Sale
    EJB16020 - Square D 20 Amp 1 Pole 347 Volt Bolt-On Circuit Molded Case Breaker
    EJB16020 - Square D 20 Amp 1 Pole 347 Volt Bolt-On Circuit Molded Case Breaker
    EJB16020 - Square D - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 347 Volt
    Schneider Electric
    Save $99 CAD
    Limited availability
    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
    BQD120 - Siemens 20 Amp 1 Pole 277 Volt Bolt On Molded Case Circuit Breaker
    BQD120 - Siemens - 20 Amp Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 277 Volt
    Siemens / ITE
    TEY120 - GE - Molded Case Circuit Breaker
    TEY120 - GE - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 2 Volt
    GE
    TED113020WL - GE 20 Amp 1 Pole 240 Volt Molded Case Circuit Breaker General Electric Lug
    TED113020WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 1 Pole - 277 Volt
    GE
    EHD1020L - Eaton - Molded Case Circuit Breaker
    EHD1020L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Sale
    QOB120EPD - Square D - 20 Amp 30 mA GFEP Breaker
    QOB120EPD - Square D - 20 Amp 30 mA GFEP Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Schneider Electric
    Save $204 CAD
    ED61B020L - Siemens - Molded Case Circuit Breaker
    Feed Thru - 20 Amp - 1 Pole - 600 Volt
    Siemens/ITE
    NGB1B020B - Siemens - Molded Case Circuit Breaker
    NGB1B020B - Siemens - Molded Case Circuit Breaker
    Bolt On - 20 Amp - 1 Pole - 347 Volt
    Siemens / ITE
    Sale
    QOB120VHGFI - Square D - GFCI Circuit Breaker
    QOB120VHGFI - Square D - GFCI Circuit Breaker
    Bolt On - 20 Amp - 1 Pole - 120 Volt
    Schneider Electric
    Save $312.01 CAD
    Limited availability
    FAZ-B20-1N - Eaton - Circuit Breaker
    FAZ-B20-1N - Eaton - Circuit Breaker
    Feed Thru - 20 Amp - 1 Pole - 480 Volt
    Eaton Moeller
    Sale
    FD1020 - Eaton - Molded Case Circuit Breaker
    FD1020 (277V) - Eaton - Molded Case Circuit Breaker
    Bolt On - 20 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $100 CAD
    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
    TED113020 - GE 20 Amp 1 Pole 240 Volt Molded Case Circuit Breaker General Electric Lug
    TED113020 - GE - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 1 Pole - 277 Volt
    GE
    Sale
    EGB16020 - Square D 20 Amp 1 Pole 347 Volt Bolt-On Circuit Molded Case Breaker
    EGB16020 - Square D 20 Amp 1 Pole 347 Volt Bolt-On Circuit Molded Case Breaker
    EGB16020 - Square D - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 277 Volt
    Schneider Electric
    Save $87 CAD
    FDB1020L - Eaton Cutler-Hammer 20 Amp 1 Pole 347 Volt Molded Case Circuit Breaker
    FDB1020L - Eaton - 20 Amp Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 347 Volt
    Eaton Cutler-Hammer
    DSD933 - Crouse Hinds 20 Amp 1 Pole 277 Volt Switch Cover and Device Sub-Assembly
    DSD933 - Crouse-Hinds - Switch Cover
    20 Amp - 1 Pole - 277 Volt
    Crouse-Hinds
    QCGFEP1020 - Eaton - Molded Case Circuit Breaker
    QCGFEP1020 - Eaton - GFEP Circuit Breaker
    Feed-Thru - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    QBCAF1020 - Eaton Cutler-Hammer 20 Amp Single Pole Bolt-On AFCI Bolt-On Circuit Breaker
    QBCAF1020 - Eaton - 20 Amp AFCI Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    QCGF1020 - Eaton - Circuit Breaker
    QCGF1020 - Eaton - GFCI Circuit Breaker
    Feed Thru - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    HFD1020L (347V) - Eaton - Molded Case Circuit Breaker
    HFD1020L (347V) - Eaton - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 347 Volt
    Eaton Cutler-Hammer
    Sale
    FD1020L - Eaton - Molded Case Circuit Breaker
    FD1020L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $100 CAD
    CHB120 - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Bolt-On Circuit Breaker
    CHB120 - Eaton - 20 Amp Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Sale
    EGB14020 - Square D 20 Amp 1 Pole 277 Volt Bolt-On Circuit Molded Case Breaker
    EGB14020 - Square D 20 Amp 1 Pole 277 Volt Bolt-On Circuit Molded Case Breaker
    EGB14020 - Square D - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 277 Volt
    Schneider Electric
    Save $84 CAD
    HED41B020 - Siemens 20 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    HED41B020 - Siemens - Molded Case Circuit Breaker
    Bolt On - 20 Amp - 1 Pole - 277 Volt
    Siemens/ITE
    THQB1120GFEP - GE - 20 Amp 30 mA Ground Fault (GFEP) Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    GE
    BF120AH - Siemens 20 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    BF120AH - Siemens - 20 Amp 22Ka GFCI Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Siemens / ITE
    B120HH - Siemens 20 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    B120HH - Siemens - 20 Amp 22kA Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Siemens / ITE
    Limited availability
    CQO120PAF - Square D - 20 Amp AFCI Circuit Breaker
    CQO120PAF - Square D - 20 Amp AFCI Circuit Breaker
    CQO120PAF - Square D - 20 Amp AFCI Circuit Breaker
    Schneider Electric
    Save $252.01 CAD
    BQ230220 - Eaton - Molded Case Circuit Breaker
    BQ230220 - Eaton - Molded Case Circuit Breaker
    20 Amp - 2 Pole - 240 Volt
    Eaton
    Limited availability
    CHFN120EP - Eaton - Molded Case Circuit Breaker
    CHFN120EP - Eaton - Molded Case Circuit Breaker
    20 Amp - 1 Pole - 120 Volt
    Eaton
    Limited availability
    LB120AS - Leviton - Circuit Breakers
    LB120AS - Leviton - Circuit Breakers
    20A -1 Pole - 120 Volt
    Leviton
    FAZ-K20/1N - Eaton - Circuit Breaker
    FAZ-K20/1N - Eaton - Circuit Breaker
    20 Amp - 1 Pole - 480 Volt
    Eaton Moeller
    FAZ-D20/1N - Eaton - Circuit Breaker
    FAZ-D20/1N - Eaton - Circuit Breaker
    Feed Thru - 20 Amp - 1 Pole - 480 Volt
    Eaton Moeller
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