20 Amp Breakers

493 products

    Save on 20 amp circuit circuit breakers. Free shipping on orders over $49. Easy returns. 1 year warranty.
    493 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
    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
    BQL320 - Commander 20 Amp 3 Pole Bolt-On Circuit Breaker
    BQL320 - Commander 20 Amp Circuit Breaker
    Bolt-On - 20 Amp - 3 Pole - 240 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
    B220H - Siemens 20 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
    B220H - Siemens - 20 Amp 22kA Circuit Breaker
    Bolt-On - 20 Amp - 2 Pole - 240 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
    THQB1120GFT - GE 20 Amp Single Pole GFCI Bolt-On 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
    QCF1020 - Eaton - Circuit Breaker
    QCF1020 - Eaton - Circuit Breaker
    Feed Thru - 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
    THQB2120GFEP - GE 20 Amp 2 Pole 30 mA Ground Fault (GFCI) Breaker
    THQB2120GFEP - GE - 20 Amp 30 mA Ground Fault (GFEP) Breaker
    Bolt-On - 20 Amp - 2 Pole - 240 Volt
    GE
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    B1515 - Siemens 15A/15A Tandem Breaker
    B2020 - Siemens - Tandem Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Siemens / ITE
    QBHW3020H - Eaton Cutler-Hammer 20 Amp 3 Pole 240 Volt Bolt-On Circuit Breaker
    QBHW3020H - Eaton - 20 Amp Circuit Breaker
    Bolt-On - 20 Amp - 3 Pole - 240 Volt
    Eaton Cutler-Hammer
    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
    FDB3020L - Eaton - Molded Case Circuit Breaker
    FDB3020L - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    CH220GFT - Eaton Cutler-Hammer 20 Amp 2 Pole 240 Volt Ground Fault Plug-In Breaker
    CH220GFT - Eaton - 20 Amp Ground Fault Breaker
    Plug-In - 20 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
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    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
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    FA36020 - Square D 20 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    FA36020 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 20 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $155 CAD
    Sale
    HJA36020 - Square D 20 Amp 3 Pole 600 Volt Molded Case Circuit Breaker
    HJA36020 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 20 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $240 CAD
    NA3P20 - Federal Pioneer 20 Amp 3 Pole Circuit Breaker
    NA3P20 - Federal Pioneer - 20 Amp Circuit Breaker
    Plug-In - 20 Amp - 3 Pole - 240 Volt
    Federal Pioneer
    FAL34020 - Square D - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 480 Volt
    Schneider Electric
    THQL32020 - GE 20 Amp 3 Pole Circuit Breaker
    THQL32020 - GE - 20 Amp Circuit Breaker
    Plug-In - 20 Amp - 3 Pole - 240 Volt
    GE
    TED136020WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 3 Pole - 600 Volt
    GE
    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
    Sale
    HFD3020L - Eaton - Molded Case Circuit Breaker
    HFD3020L - Eaton - Molded Case Circuit Breaker
    Feed Thru - 20 Amp - 3 Pole - 600 Volt
    Eaton Cutler-Hammer
    Save $1,580.19 CAD
    QOB220VH - Square D - 20 Amp 22kA Breaker
    QOB220VH - Square D - 20 Amp 22kA Breaker
    Bolt-On - 20 Amp - 2 Pole - 240 Volt
    Schneider Electric
    QO120EPD - Square D 20 Amp 1 Pole Ground Fault Equipment Protection Circuit Breaker
    QO120EPD - Square D - 20 Amp GFEP Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Schneider Electric
    Sale
    EGB34020 - Square D 20 Amp 3 Pole 480 Volt Bolt-On Circuit Molded Case Breaker
    EGB34020 - Square D 20 Amp 3 Pole 480 Volt Bolt-On Circuit Molded Case Breaker
    EGB34020 - Square D - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 3 Pole - 480 Volt
    Schneider Electric
    Save $162 CAD
    THQC2120WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 2 Pole - 240 Volt
    GE
    BQD6220 - Siemens 20 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
    BQD6220 - Siemens - 20 Amp Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 2 Pole - 600 Volt
    Siemens / ITE
    QO120 - Square D 20 Amp Single Pole Circuit Breaker
    QO120 - Square D 20 Amp Single Pole Circuit Breaker
    QO120CP - Square D - 20 Amp Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Schneider Electric
    QO3020 - Square D - Tandem 30/20 Amp Circuit Breaker
    Plug-In - 30/20 Amp - 1 Pole - 120 Volt
    Schneider Electric
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    TRS20R - Mersen 20 Amp Fuse
    TRS20R - Mersen / Ferraz Shawmut - Fuse
    20 Amp - 600 Volt
    Mersen / Ferraz Shawmut
    QO220VH - Square D 20 Amp 2 Pole 120 Volt Plug-In Molded Case Circuit Breaker
    QO220VH - Square D - Molded Case Circuit Breaker
    Plug-In - 20 Amp - 2 Pole - 120 Volt
    Schneider Electric
    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
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    QCGFT2020 - Eaton - Molded Case Circuit Breaker
    QCGFT2020 - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 2 Pole - 240 Volt
    Eaton Cutler-Hammer
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    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
    CHFP120DF - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    CHFP120DF - Eaton - 20 Amp Dual Function Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    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
    Sale
    BDA36020 - Square D 20 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker
    BDA36020 - Square D - Molded Case Circuit Breaker
    I-Line Plug-In - 20 Amp - 3 Pole - 600 Volt
    Schneider Electric
    Save $360 CAD
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