The Fuji Electric BW9W1SG0-A is a versatile auxiliary contact designed for seamless integration with Fuji BW125 and BW250 series MCCBs. This field-installable component features a single pole double throw (SPDT) configuration, supporting left or right side mounting. With a robust 5A @ 125 VAC rating and convenient 19.69-inch 20AWG lead wires, it ensures reliable performance in various industrial applications. Ideal for enhancing circuit breaker functionality, the BW9W1SG0-A is a crucial accessory for efficient electrical system management.