The Supervisory Switch for Indicator Post and Butterfly Valve is designed to monitor the open position of fire sprinkler control valves, including wall and yard post indicators and butterfly types. Installed via a 1/2″ NPT tapped hole, it triggers an alarm signal when the valve is not in a fully open position, ensuring system readiness and compliance with fire safety standards.
Key Features:
- Monitors open position of indicator post and butterfly valves
- Mounts in a 1/2” NPT tapped hole on valve housing
- Engages with valve’s indicating or operating mechanism
- Certified: UL Listed / FM Approved
- Standards: NFPA 13, 13D, 13R, 72 compliant
- Material: Durable die-cast cover and base
- Contact Ratings:
- 15A @ 125/250VAC
- 5A @ 30VDC
- Wiring: Supports up to 12 AWG connections
- Temperature Range: -40°C to +60°C
- Finish: Corrosion-resistant for long-lasting reliability
