System Sensor OSY2

Product Overview

 The System Sensor OSY2 Supervisory Switch is designed to monitor the open position of outside screw and yoke (OS&Y) valves used in fire sprinkler systems. Built for reliable indoor and outdoor operation, the OSY2 ensures prompt supervisory signaling if a valve is moved from its normal position. Its rugged, weatherproof construction and installer-friendly design make it ideal for commercial, industrial, and institutional fire protection applications.

Key Features

• NEMA 3R-rated weatherproof enclosure for indoor and outdoor use
• User-friendly mounting bracket compatible with newer valve yokes
• Single-side conduit entry eliminates the need for right-angle fittings
• Adjustable-length actuator removes the need to cut the valve stem shaft
• Accommodates wiring up to 12 AWG
• Three-position switch monitors valve closure and vandal conditions
• Two enclosed SPDT contacts in a durable terminal block for added strength
• 100% synchronization activates both the fire alarm panel and local bell simultaneously