3VA9988-0AA22 SIEMENS

The 3VA9988-0AA22 from Siemens is a crucial accessory designed to enhance the functionality of 3VA1 and 3VA20 up to 3VA25 series molded case circuit breakers (MCCBs). This leading changeover switch features high-quality (HQ) changeover contacts, specifically the 7mm type, ensuring reliable and efficient transfer of electrical circuits. It facilitates seamless switching between two power sources, making it ideal for applications requiring uninterrupted power supply. The accessory is engineered to maintain electrical continuity during the changeover process, minimizing downtime and preventing equipment damage. Its robust design guarantees durability and long-term performance in demanding industrial environments. The 3VA9988-0AA22 simplifies the implementation of redundant power systems, enhancing overall system reliability. This changeover switch is easy to install and integrate with compatible Siemens MCCBs, saving time and resources. By providing a dependable means of switching between power sources, it contributes to the operational safety and efficiency of electrical installations. It is an essential component for critical applications where power continuity is paramount.