Robust Valve Position Monitoring for Fire Protection Systems
The System Sensor OSY2 Supervisory Switch is engineered to monitor the open position of Outside Screw & Yoke (OS&Y) type gate valves used in fire sprinkler and life safety systems. When installed on a valve, the OSY2 provides reliable supervision that communicates valve status to fire alarm control panels or local annunciators, helping ensure code-compliant system readiness.
Designed for indoor and outdoor use, the OSY2 features a rugged NEMA 3R-rated enclosure with a user-friendly mounting bracket and adjustable actuator. Its synchronized dual SPDT contacts and tamper-resistant cover provide dependable performance in commercial, industrial, and institutional fire protection applications.
