ABB THHQB22020

The ABB THHQB22020 circuit breaker is a reliable choice for both residential and commercial setups. This compact breaker, part of the well-regarded Q line, is designed to occupy just one inch per pole, making it a space-saving solution for load centers and lighting panels. Known for its solid performance, this bolt-on breaker features a thermal-magnetic trip mechanism that combines quick response with dependable protection. The Q line’s signature quick-make/quick-break operation, along with common trip bars and clear trip indicators, helps keep your installation safe and easy to maintain. Available in multiple pole configurations and compatible with accessories like auxiliary contacts and shunt trips, this breaker can even handle HID applications when needed. Distributed by BSP Automation, this model—sometimes called the “THHQB22020” or by part number 783164118438—is a solid workhorse that industrial pros often rely on. In other words, it’s the real deal when it comes to circuit protection.