3VA9988-0AB22 SIEMENS

The 3VA9988-0AB22 is an electrical alarm switch designed by Siemens as an accessory for 3VA1 and 3VA2 circuit breakers. This switch features changeover contacts, specifically of type HQ, which have a contact gap of 7mm. It provides crucial alarm signaling functionality, alerting users to specific electrical events or fault conditions within the circuit breaker system. By integrating this alarm switch, operators can promptly respond to irregularities, minimizing downtime and enhancing overall system safety. The changeover contacts enable versatile wiring configurations, allowing for both normally open (NO) and normally closed (NC) signaling options. This adaptability ensures compatibility with various monitoring and control systems. Its robust design guarantees reliable performance in demanding industrial environments. The 3VA9988-0AB22 alarm switch is an essential component for comprehensive circuit protection and proactive maintenance strategies. It facilitates early detection of potential issues, preventing escalation and ensuring the continued safe operation of electrical equipment. Siemens' commitment to quality ensures that this alarm switch meets stringent industry standards, providing peace of mind and reliable performance.