3VA9988-0AB23 SIEMENS

The 3VA9988-0AB23 from Siemens is an electrical alarm switch designed as an accessory for 3VA1 and 3VA2 circuit breakers. This component features changeover contacts, specifically of type HQ with a 7mm dimension. It serves to provide electrical alarm signaling, indicating the status or condition of the associated circuit breaker. The switch is electronically compatible, ensuring seamless integration with the breaker's electronic components. Its primary function is to alert users to specific events or faults within the electrical system. By utilizing changeover contacts, the switch can signal different states, such as normal operation, overload, or short circuit. This alarm switch enhances the monitoring and control capabilities of the circuit breaker. It contributes to improved safety and reliability in electrical installations. The 3VA9988-0AB23 is essential for applications requiring immediate notification of electrical system anomalies.