Pneumatic Edge Switch
PS-20A
SENSING EDGE ACCESSORY
The Miller Edge pneumatic switch offers a reliable, cost-effective alternative to an electric sensing edge, ideal for extremely wet, refrigerated doors subject to condensation, and low temperature climates. The PS20A switch enclosure accepts an air hose connection. When the hose is compressed, air is forced into the diaphragm and the switch is activated. This converts the pressure wave into an electrical contact, which signals the commercial door operator to stop and/or reverse motion. Pneumatic switches are compatible with pneumatic configured sensing edges and treadles, and are non-monitored.
Applications
- Pneumatic configured sensing edges on motorized doors
- Pneumatic configured treadles
- Signaling hoses on floors
Features
- Compatible with Miller Edge Pneumatic configured sensing edges up to 18 ft.
- Built-in strain relief
- Can be used with standard pneumatic hose
- Normally open or normally closed operation
- Vertical or horizontal mounting
- Easy to install
- Non-monitored
- 2-year warranty








