ABB THQL21WY15

The ABB THQL21WY15 is a compact and reliable circuit breaker designed for both residential and commercial use. This Q Line Circuit Breaker is a slim, one-inch wide per pole device that uses thermal-magnetic technology to provide dependable protection. It’s a plug-in type breaker that connects easily to load centers and lighting panels, making installation straightforward.

One of the standout features of this breaker is its quick-make/quick-break mechanism, which helps ensure fast and safe interruption of electrical faults. It also includes a common trip bar and a clear trip indicator, so you can quickly spot if the breaker has been triggered. Available in single, double, and triple pole configurations, the unit can be customized with accessories like auxiliary contacts and shunt trips to fit various application needs—including the ability to handle HID (high-intensity discharge) lighting setups.

You’ll find the THQL21WY15, sometimes called the 783164161625 breaker, carried by BSP Automation, a trusted source for industrial components. If you’re looking for a no-nonsense, sturdy breaker that nails the basics with a few handy extras, this one’s definitely a solid pick.