The Siemens QA120AFC is a 7-piece circuit breaker designed for new construction applications. This combination AFCI circuit breaker provides instantaneous break time and operates on 120 volts AC. It features a clip-on mounting style and a current rating of 20A, making it ideal for single pole installations. With its reliable brand reputation and advanced features, the Siemens QA120AFC is a top choice for ensuring electrical safety in new construction projects.