3VA9478-0CX20 SIEMENS

The 3VA9478-0CX20 from Siemens is an operating unit designed for use with a bowden cable, offering maximum flexibility in operation. It functions as a leading changeover switch, providing reliable switching capabilities in various applications. This accessory features two changeover contacts, enhancing its versatility and adaptability. It is specifically designed to be compatible with the 3VA5 125, 3VA5 250, 3VA6 250, 3VA5 400, 3VA6 600, 3VA6 400 and 3VA5 600 circuit breakers. The bowden cable mechanism allows for remote operation of the circuit breaker, increasing safety and convenience. Its robust design ensures durability and long-term performance in demanding environments. The changeover contacts facilitate the switching between two independent circuits. This operating unit is an essential component for applications requiring remote control and changeover functionality of circuit breakers. It provides a reliable and efficient solution for managing electrical circuits.