The Siemens QA QA120AFCI circuit breaker is a reliable and high-quality electrical component designed for industrial and commercial settings. With a maximum amperage of 20A and the ability to handle both 120 and 240V systems, this AFCI circuit breaker by Siemens provides efficient and safe protection for electrical circuits. Trusted for its brand reputation and performance, this circuit breaker is an essential component for ensuring the safety and reliability of electrical systems.