Valves: Electrical Devices : Switches
Potter PS10-2 Series pressure switches are designed for use in wet, dry, deluge, and preaction automatic sprinkler systems to indicate a discharge from a sprinkler.
The Potter PS40-2 Series pressure switches are designed for use in dry, and preaction systems to monitor system air pressure, giving supervisory high air signal in addition to the low air alarm condition.
Both models contains two SPDT switches. More information can be found on the Potter Electrical Signal Company Website (www.pottersignal.com