20 Amp Breakers

518 products

    Save on 20 amp circuit circuit breakers. Free shipping on orders over $49. Easy returns. 1 year warranty.
    518 products
      Limited availability
      QOB220GFI - Square D - 20 Amp GFCI Circuit Breaker
      Bolt-On - 20 Amp - 2 Pole - 240 Volt
      Schneider Electric
      BR320 - Eaton Cutler-Hammer 20 Amp 3 Pole Circuit Breaker
      BR320 - Eaton - 20 Amp Circuit Breaker
      Plug-In - 20 Amp - 3 Pole - 240 Volt
      Eaton Cutler-Hammer
      Sale
      QOB120GFI - Square D - 20 Amp GFCI Circuit Breaker
      QOB120GFI - Square D - 20 Amp GFCI Circuit Breaker
      Bolt-On - 20 Amp - 1 Pole - 120 Volt
      Schneider Electric
      Save $78 CAD
      QOU120 - Square D 20 Amp 1 Pole 240 Volt Miniature Circuit Breaker
      QOU120 - Square D - 20 Amp Circuit Breaker
      Bolt-On - 20 Amp - 1 Pole - 120 Volt
      Schneider Electric
      QBHW2020 - Eaton Cutler-Hammer 20 Amp 2 Pole 240 Volt Molded Case Circuit Breaker
      QBHW2020 - Eaton - 20 Amp Circuit Breaker
      Bolt-On - 20 Amp - 2 Pole - 240 Volt
      Eaton Cutler-Hammer
      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
      BQD6320 - Siemens 20 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker
      BQD6320 - Siemens - Circuit Breaker
      Bolt-On - 20 Amp - 3 Pole - 600 Volt
      Siemens / ITE
      BRAFGF120 - Eaton Cutler-Hammer 20 Amp 1 Pole 120 Volt Plug-In Molded Case Circuit Breaker
      BRAFGF120C - Eaton - 20 Amp Molded Case Circuit Breaker
      Plug-In - 20 Amp - 1 Pole - 120 Volt
      Eaton Cutler-Hammer
      GBH3020 - Eaton - Molded Case Circuit Breaker
      GBH3020 - Eaton - Molded Case Circuit Breaker
      Bolt-On - 20 Amp - 3 Pole - 600 Volt
      Eaton Cutler-Hammer
      bf220a - Siemens 20 Amp Double Pole GFCI Bolt-On Circuit Breaker
      BF220A - Siemens - 20 Amp GFCI Circuit Breaker
      Bolt-On - 20 Amp - 2 Pole - 240 Volt
      Siemens / ITE
      QOU220 - Square D 20 Amp 2 Pole 240 Volt Bolt-On Unit Mount Circuit Breaker
      QOU220 - Square D - 20 Amp Circuit Breaker
      Bolt-On - 20 Amp - 2 Pole - 240 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
      BQ3B020 - Siemens 20 Amp 3 Pole 120/240V BQ Bolt-On Circuit Breaker
      BQ3B020 - Siemens - 20 Amp Circuit Breaker
      Bolt-On - 20 Amp - 3 Pole - 240 Volt
      Siemens / ITE
      Sale
      THQB32020 - GE 20 Amp 3 Pole Bolt-On Circuit Breaker
      THQB32020 - GE - 20 Amp Circuit Breaker
      Bolt-On - 20 Amp - 3 Pole - 240 Volt
      GE
      Save $27 CAD
      FRS-R-20 - Bussmann - 20 Amp Fuse
      FRS-R-20 - Bussmann - 20 Amp Fuse
      20 Amp - 600 Volt
      Bussmann
      QBGFT2020 - Eaton Cutler-Hammer 20 Amp Double Pole GFCI Bolt-On Circuit Breaker
      QBGFT2020 - Eaton - 20 Amp GFCI Circuit Breaker
      Bolt On - 20 Amp - 2 Pole - 240 Volt
      Eaton Cutler-Hammer
      QE220 - Siemens 20 Amp 2 Pole 240 Volt Ground Fault Equipment Protection Circuit Breaker
      QE220 - Siemens - 20 Amp GFEP Circuit Breaker
      Plug-In - 20 Amp - 2 Pole - 240 Volt
      Siemens / ITE
      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
      Limited availability
      THQL2120GF1 - GE 20 Amp Double Pole GFCI Breaker
      THQL2120GF1 - GE - 20 Amp GFCI Circuit Breaker
      Plug-In - 20 Amp - 2 Pole - 240 Volt
      GE
      QBGFEP2020 - Eaton Cutler-Hammer 20 Amp 2 Pole Ground Fault Equipment Protection Bolt-On Circuit Breaker
      QBGFEP2020 - Eaton - 20 Amp GFEP Circuit Breaker
      Bolt-On - 20 Amp - 2 Pole - 240 Volt
      Eaton Cutler-Hammer
      Limited availability
      NA220 - Federal Pioneer 20 Amp Double Pole Circuit Breaker
      NA220 - Federal Pioneer - 20 Amp Circuit Breaker
      Plug-In - 20 Amp - 2 Pole - 240 Volt
      Federal Pioneer
      DNPL215220 - Eaton Cutler-Hammer Quad 15 Amp Double Pole & 20 Amp Double Pole Circuit Breaker
      DNPL215220 - Eaton Cutler-Hammer Quad 15 Amp Double Pole & 20 Amp Double Pole Circuit Breaker
      DNPL215220 - Eaton - 15 Amp & 20 Amp Quad Circuit Breaker
      Plug-In - 15/20 Amp - Quad - 240 Volt
      Eaton Cutler-Hammer
      Limited availability
      NAGF220 -Federal Pioneer 20 Amp Double Pole GFCI Circuit Breaker
      NAGF220 -Federal Pioneer 20 Amp GFCI Circuit Breaker
      Plug-In - 20 Amp - 2 Pole - 240 Volt
      Federal Pioneer
      B1515 - Siemens 15A/15A Tandem Breaker
      B2020 - Siemens - Tandem Circuit Breaker
      Bolt-On - 20 Amp - 1 Pole - 120 Volt
      Siemens / ITE
      THQL2120GFT - GE 20 Amp 2 Pole 240 Volt Molded Case Breaker
      THQL2120GFT - GE 20 Amp GFCI Circuit Breaker
      Plug-In - 20 Amp - 2 Pole - 240 Volt
      GE
      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
      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
      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
      GFEP220 - Eaton Cutler-Hammer 20 Amp Ground Fault Equipment Protection Circuit Breaker
      GFEP220 - Eaton - 30 mA GFEP Circuit Breaker
      Plug-In - 20 Amp - 2 Pole - 240 Volt
      Eaton Cutler-Hammer
      GBH2020 - Eaton - 20 Amp Molded Case Circuit Breaker
      Bolt-On - 20 Amp - 2 Pole - 600 Volt
      Eaton Cutler-Hammer
      NB3P20 - Federal Pioneer 20 Amp 3 Pole Bolt-On Circuit Breaker
      NB3P20 - Federal Pioneer - 20 Amp Circuit Breaker
      Bolt-On - 20 Amp - 3 Pole - 240 Volt
      Federal Pioneer
      Sale
      EDB34020 - Square D - Molded Case Circuit Breaker
      Bolt-On - 20 Amp - 3 Pole - 480 Volt
      Schneider Electric
      Save $419.01 CAD
      QCF1020 - Eaton - Circuit Breaker
      QCF1020 - Eaton - Circuit Breaker
      Feed Thru - 20 Amp - 1 Pole - 120 Volt
      Eaton Cutler-Hammer
      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
      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
      Sale
      THQL1120DF - GE - 20 Amp Dual Function Circuit Breaker
      Plug-In - 20 Amp - 1 Pole - 120 Volt
      GE
      Save $50 CAD
      BQD6120 - 20 AMP, Single Pole, 347/600 VOLT, SIEMENS/ITE
      BQD6120 - Siemens - Circuit Breaker
      Bolt-On - 20 Amp - 1 Pole - 347 Volt
      Siemens / ITE
      QOB220EPD - Square D - 20 Amp 30 mA GFEP Breaker
      Bolt-On - 20 Amp - 2 Pole - 240 Volt
      Schneider Electric
      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
      QCF2020 - Eaton - Circuit Breaker
      QCF2020 - Eaton - Circuit Breaker
      Feed Thru - 20 Amp - 2 Pole - 240 Volt
      Eaton Cutler-Hammer
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