The PSA-1 photoelectric Smoke Alarm is recommended where low-voltage Class 2 wiring may be used. The device offers an 85 dB alarm horn as well as form C alarm contact with 8 second delay for controlling external functions.
Up to 12 units can be interconnected and configured so that all alarm relays activate on alarm or individually. An external push button provides for testing of the units alarm function as well as silencing. A visible LED indicator flashes once every 40 seconds in standby and rapidly in alarm when smoke is detected.
Screw terminals and a mounting bracket are provided for easy installation.
Dirt-Alert feature helps prevent false alarms by detecting dirt in smoke chamber. The chamber has been made removable for easy cleaning.