3VA9257-0FK21 SIEMENS

The 3VA9257-0FK21 is a door-mounted rotary operator designed by Siemens, adhering to IEC standards and boasting an IP65 protection rating. This accessory is specifically engineered for use with 3VA1 250 circuit breakers, enhancing their operational capabilities. Its primary function is to provide a user-friendly interface for controlling the circuit breaker from outside the electrical panel. The rotary operator facilitates easy and reliable switching, improving safety and convenience. The IP65 rating ensures protection against dust and water ingress, making it suitable for demanding industrial environments. A key feature of this operator is its integrated door interlock mechanism, which prevents the panel door from being opened while the circuit breaker is in the 'ON' position. This safety feature minimizes the risk of electrical shock and enhances overall workplace safety. The 3VA9257-0FK21 is a crucial component for ensuring safe and efficient operation of electrical systems utilizing 3VA1 250 circuit breakers.