3VA9978-0AB12 SIEMENS

The 3VA9978-0AB12 trip alarm switch from Siemens is a crucial accessory designed to enhance the functionality and monitoring capabilities of 3VA4, 3VA5, and 3VA6 molded case circuit breakers (MCCBs). This high-quality accessory provides reliable indication of circuit breaker trips, enabling prompt response to electrical faults and ensuring system safety. Featuring changeover contacts, the trip alarm switch offers versatile signaling options for remote monitoring and control systems. Its HQ type (7mm) construction ensures durability and compatibility with the specified Siemens MCCB series. By integrating this trip alarm switch, users can gain real-time insights into the status of their circuit breakers, facilitating proactive maintenance and minimizing downtime. The switch promptly alerts personnel to trip events, allowing for swift investigation and resolution of issues. This accessory is essential for applications where continuous monitoring and rapid response to circuit breaker trips are paramount. It contributes significantly to the overall reliability and safety of electrical distribution systems.