Silent Knight SD505-APS Smoke Detector (Refurbished - 90 Day Warranty) The IDP-RELAY allows a Farehyt

The IDP-RELAY allows a Farehyt FACP to switch discrete contacts by code command

such as a DC supply or audio amplifier (up to 80 Vrms)

Both speaker circuits produce a combined total of 50 watts of power

water flow switches

Silent Knight SD505-APS Smoke Detector (Refurbished - 90 Day Warranty) The IDP-RELAY allows a FarehytThe SD505 APS compensates automatically for contamination in the environment. Detector calibration test viewing is simpleeven from a remote site. The SD505 APS offers a low profile installation and uses the model SD505 6AB base, compatible with other detectors in the series, allowing for complete application and placement flexibility. Like other Farenhyt smoke detectors, the SD505 APS offers easy installation, stable operation, RF transient