20 Amp AFCI Circuit Breakers
Sort by:
Best selling
Don’t see what you’re looking for?
Contact us today for expert assistance sourcing your part.
About 20 Amp AFCI Circuit Breakers
Browse over 100 20 amp arc fault breakers, including QO, Homeline, CH, BR, and THQL series. This page covers 1- and 2-pole miniature and molded case circuit breakers from Square D, Eaton, Siemens, and ABB in AFCI types.
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.
- Homeline (HOM): plug-on breakers for Homeline load centers; not interchangeable with QO.
- CH: plug-on breakers for Eaton CH load centers; not interchangeable with BR.
- BR: plug-on breakers for Eaton BR load centers.
- THQL: plug-in breakers for GE load centers.
- Also on this page: QA, Q, BA, and BL series.
Popular part numbers
- CHFN120AF: 20A AFCI miniature circuit breaker
- QO120PCAFI: 20A AFCI miniature circuit breaker
- CHFCAF120: 20A AFCI miniature circuit breaker
- BRP120AF: 20A AFCI miniature circuit breaker
- BRN120AF: 20A AFCI miniature circuit breaker
How to choose
Start with the breaker series printed on your panel label, such as QO, Homeline, CH, BR, or THQL. Note that Homeline and QO series are not interchangeable, and Eaton CH and BR series are not interchangeable. Match your required 1- or 2-pole configuration with the 20 amp rating for your AFCI circuit. Confirm your panel and breaker type are compatible before ordering.