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
    BQ1B020H - Siemens 20 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    BQ1B020H - Siemens - 20 Amp Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Siemens / ITE
    Limited availability
    BQ1B02000S01 - Siemens - 20 Amp Shunt Trip Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Siemens / ITE
    THHQB1120GFT - GE 20 Amp 1 Pole 120 Volt Bolt-On Molded Case Circuit Breaker
    THHQB1120GFT - GE - 22kA Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    GE
    THED113020WL - GE 20 Amp 1 Pole 277 Volt Molded Case Circuit Breaker
    THED113020WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 1 Pole - 277 Volt
    GE
    TEB111020WL - GE 20 Amp 1 Pole 120 Volt Molded Case Circuit Breaker General Electric Lug
    TEB111020WL - GE - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 1 Pole - 120 Volt
    GE
    QBHGFT1020 - Eaton Cutler-Hammer 20 Amp 1 Pole 240 Volt Ground Fault Circuit Breaker
    QBHGFT1020 - Eaton - 20 Amp Ground Fault Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Limited availability
    QBAF1020 - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Bolt-On Circuit Breaker
    QBAF1020 - Eaton - 20 Amp AFCI Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Sale
    HFD1020 (277V)- Eaton - Molded Case Circuit Breaker
    HFD1020L (277V) - Eaton - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 1 Pole - 277 Volt
    Eaton Cutler-Hammer
    Save $55 CAD
    FD1020L (347V) - Eaton - Molded Case Circuit Breaker
    FD1020L (347V) - Eaton - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 347 Volt
    Eaton Cutler-Hammer
    Sale
    CHB120GF - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Bolt-On Circuit Breaker
    CHB120GF - Eaton - 20 Amp GFCI Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    Save $116 CAD
    BAB1020S - Cutler-Hammer 20 Amp 1 Pole 240 Volt Miniature Shunt Trip Breaker
    BAB1020S - Eaton - 20 Amp Shunt Trip Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Eaton Cutler-Hammer
    HGB1B020B - Siemens 20 Amp 1 Pole 347 Volt Bolt-On Molded Case Circuit Breaker
    HGB1B020B - Siemens - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 347 Volt
    Siemens / ITE
    LGB1B020B - Siemens 20 Amp 1 Pole 347 Volt Bolt-On Molded Case Circuit Breaker
    LGB1B020B - Siemens - Molded Case Circuit Breaker
    Bolt On - 20 Amp - 1 Pole - 347 Volt
    Siemens / ITE
    Sale
    EJB14020 - Square D 20 Amp 1 Pole 277 Volt Bolt-On Circuit Molded Case Breaker
    EJB14020 - Square D 20 Amp 1 Pole 277 Volt Bolt-On Circuit Molded Case Breaker
    EJB14020 - Square D - Molded Case Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 277 Volt
    Schneider Electric
    Save $63 CAD
    Q12000S01 - Siemens 20 Amp 1 Pole 120 Volt Molded Case Circuit Breaker
    Q12000S01 - Siemens - 20 Amp Molded Case Circuit Breaker
    Plug-In - 20 Amp - 1 Pole - 120 Volt
    Siemens / ITE
    NEB1B020B - Siemens - Molded Case Circuit Breaker
    NEB1B020B - Siemens - Molded Case Circuit Breaker
    Bolt On - 20 Amp - 1 Pole - 277 Volt
    Siemens / ITE
    HEB1B020B - Siemens 20 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker
    HEB1B020B - Siemens - Molded Case Circuit Breaker
    Bolt-on - 20 Amp - 1 Pole - 277 Volt
    Siemens / ITE
    ED41B020L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 1 Pole - 120 Volt
    Siemens/ITE
    ED21B020L - Siemens - Molded Case Circuit Breaker
    ED21B020L - Siemens - Molded Case Circuit Breaker
    Feed-Thru - 20 Amp - 1 Pole - 120 Volt
    Siemens/ITE
    Limited availability
    THQB1120ST1 - GE - 20 Amp Shunt Trip Circuit Breaker
    THQB1120ST1 - GE - 20 Amp Shunt Trip Circuit Breaker
    THQB1120ST1 - GE - 20 Amp Shunt Trip Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    GE
    B12000S01 - Siemens - 20 Amp Shunt Trip Circuit Breaker
    Bolt-On - 20 Amp - 1 Pole - 120 Volt
    Siemens / ITE
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