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20 Amp GFCI Circuit Breakers

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About 20 Amp GFCI Circuit Breakers

Find over 100 models of a 20 Amp GFCI breaker for residential and commercial applications. This page covers both miniature and molded case form factors in 1-, 2-, and 3-pole configurations, including QO, QOB, CH, and THQL series.

Series on this page

  • QO: plug-on miniature breakers for Square D QO load centers.
  • QOB: the bolt-on version of the Square D QO breaker.
  • CH: plug-on breakers for Eaton CH load centers; not interchangeable with BR.
  • THQL: plug-in breakers for GE load centers.
  • THQB: bolt-on breakers for GE panelboards.
  • Also on this page: QF, BF, GFCB, MP, and NAGF series.

Popular part numbers

  • QO120GFI: 20A GFCI miniature circuit breaker
  • QOB120GFI: 20A GFCI miniature circuit breaker
  • THQB1120GFT: 20A GFCI miniature circuit breaker
  • QBGFT1020: 20A GFCI miniature circuit breaker
  • QOB220GFI: 20A GFCI miniature circuit breaker

How to choose

Start with the series on the panel label, such as plug-on QO for Square D load centers, bolt-on QOB, or plug-in THQL for GE load centers. Note that Eaton CH breakers are not interchangeable with BR breakers. Next, match the 1-, 2-, or 3-pole configuration and the 20 amp rating. Confirm your panel and breaker type are compatible before ordering.

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