BW9Q2HA is a plate-type padlocking device (Q2) designed for Fuji Electric G-TWIN series molded case circuit breakers, specifically for the BW250 frame size. This accessory provides mechanical locking capability to secure the breaker in the OFF position, preventing unauthorized operation and enhancing electrical safety in industrial and commercial installations. The device features a robust plate design compatible with standard commercial padlocks with shackle diameters ranging from 3.5 to 8 mm. It is commonly used in applications requiring lockout/tagout (LOTO) procedures, such as maintenance operations, hazardous area protection, and compliance with safety regulations in power distribution systems.