The Miller Edge PS20A Pneumatic Switch is engineered to convert pneumatic pressure from an air-tube sensing edge or hose assembly into an electrical contact signal for commercial door operators. By accepting conventional pneumatic hose connections, it simplifies the integration of air-tube-based edge systems. The switch supports a maximum pressure of 20 psi and a maximum switch frequency of 25 cycles per second, providing robust performance in demanding indoor or industrial environments.
Built in a durable ABS enclosure, the PS20A is rated for operation from -20 °F to +158 °F (-20 °C to 70 °C), making it suitable for refrigerated, cold-storage, or exterior covered door installations. With both Normally Open and Normally Closed output options and compatibility with edge lengths up to 18 ft, it offers versatility for installers needing dependable non-monitored pneumatic switch solutions. Whether retrofitting an older system or installing new safety-edge configurations, the PS20A delivers reliable, long-life performance.
- Converts pneumatic pressure into a SPDT electrical output for sensing edges
- Supports non-monitored pneumatic safety edge systems
- Durable ABS enclosure rated for industrial environments
- Wide temperature range from -20 °F to +158 °F
- Compatible with Miller Edge air-tube and safety edge system components
