3VA9978-0AB13 SIEMENS

The 3VA9978-0AB13 trip alarm switch by Siemens is an essential electronic component designed to enhance the functionality of 3VA4, 3VA5, and 3VA6 molded case circuit breakers (MCCBs). This accessory provides advanced monitoring and signaling capabilities, ensuring prompt notification of critical events within the electrical system. Featuring high-quality (HQ) changeover contacts with a 7mm spacing, the trip alarm switch offers reliable and precise signal transmission. It is electronically compatible with the specified 3VA series MCCBs, ensuring seamless integration and optimal performance. The switch is engineered to detect and signal trip events, enabling swift response and minimizing downtime. Its robust design ensures durability and longevity in demanding industrial environments. By providing early warning of potential issues, the 3VA9978-0AB13 enhances the overall safety and reliability of electrical installations. This accessory is crucial for applications where continuous monitoring and immediate response to trip events are paramount. The trip alarm switch facilitates proactive maintenance and prevents costly equipment failures.