3VA9447-0HC20 SIEMENS

The 3VA9447-0HC20 is a synchronizable stored energy operator (SEO) designed as an essential accessory for Siemens 3VA53/54 and 3VA63/64 molded case circuit breakers (MCCBs). This SEO unit ensures reliable and consistent operation of the circuit breaker, particularly in scenarios demanding rapid and dependable switching. Operating within a voltage range of 42-60 V AC/DC, it provides flexibility in power supply options. Its primary function is to store energy, which is then released to facilitate quick and precise opening or closing of the circuit breaker contacts. This is especially crucial in applications where immediate response to electrical faults is paramount. The synchronizable feature allows for coordinated operation with other devices or systems, enhancing overall system performance and safety. By utilizing the 3VA9447-0HC20, users can significantly improve the reliability and responsiveness of their circuit protection systems. This accessory is easy to integrate and designed for long-term durability, ensuring consistent performance over its operational life. It contributes to minimizing downtime and enhancing the safety of electrical installations.