The Fuji Electric BW9W1DHA is a field-installable auxiliary contact switch designed for seamless integration with Fuji Electric's BW400, BW630, and BW800 series MCCBs. Featuring SPDT contact configuration and durable 20AWG lead wires measuring 19.69 inches, this auxiliary contact ensures reliable performance in industrial automation applications. Ideal for enhancing control and monitoring capabilities, the BW9W1DHA supports efficient manufacturing processes and energy savings.