The Fuji Electric BW9RGAR Undervoltage Trip Device is a field-installable component designed for seamless integration with Fuji Electric BW125/250 and EW125/250 circuit breakers. Operating on a 24V DC power source, this device provides critical protection against low voltage events, ensuring the safety and reliability of your electrical systems. Featuring a left side mount and 19.69-inch 20AWG lead wires, it is an essential addition for maintaining optimal performance in industrial and residential applications.