BW9RHA-P

The Fuji Electric BW9RHA-P is a high-performance undervoltage trip device designed for seamless integration with BW/EW400-800 series circuit breakers. Operating within a 380-480V AC sensing range, this field-installable component ensures reliable protection against voltage drops, enhancing system safety and performance. Its left-side lead wire configuration facilitates easy installation, making it an ideal choice for industrial applications requiring robust undervoltage protection. Despite being discontinued, the BW9RHA-P remains a sought-after solution for maintaining operational continuity in legacy systems.