Miniature circuit breaker
The UL 489 B1NQT is a recyclable, quick-connect circuit breaker for protection in commercial and residential applications. It features three curves (B, C, and D), ranges from 0.5 to 63 A, and has an optional detachable shield. The B1NQT is thermal-magnetic and protects against short circuit and overload conditions. It also provides protection for branch and control circuits and includes front mount through-door hardware and optional quick-connect terminal plugs on the load side. The B1NQT is compliant with UL/CSA/IEC standards for branch circuit protection.