The TE Connectivity / P&B Brand part W91-X112-20 is a reliable and high-quality circuit breaker designed to protect electrical circuits. With its hydraulic magnetic technology, it provides precise and accurate protection against overloads and short circuits. This 1-pole breaker has a current rating of 20A and is suitable for use with 277VAC systems. It ensures the safety and reliability of your electrical setup, making it an essential component for any application that requires dependable circuit protection.