ABB THHQB22050

The ABB THHQB22050 is a reliable breaker from the Q Line series, known for its compact design—each pole measures just one inch wide. These thermal-magnetic circuit breakers are crafted for both residential and commercial setups, offering dependable protection without taking up much space. This particular model is a bolt-on version, meaning it’s designed to securely attach to the bus connections in load centers and lighting panels, making installation straightforward.

Q Line breakers like the THHQB22050 feature quick-make/quick-break mechanisms and common trip bars, which help ensure swift response during faults. They also have clear trip indicators, so it’s easy to spot when they’ve been activated. Available in one, two, and three-pole variants, these breakers can be customized with auxiliary contacts and shunt trip accessories, and some versions are suitable for HID applications.

If you’re sourcing robust, space-saving circuit protection gear, this model is a solid choice. You can find the ABB THHQB22050 through BSP Automation, a trusted name for industrial electrical components. In the field, electricians sometimes call these breakers “Q-bros” due to their reliability and compact footprint.