Simplex 4903-9427 S/F 24/09 LED annunciation relay • Activates

LED annunciation relay • Activates when base LED is on steady

only the detector sensing smoke will go into alarm

This base provides a secure and stable connection for detectors

DSC (Digital Security Controls) is a world leader in electronic security

Simplex 4903-9427 S/F 24/09 LED annunciation relay • ActivatesTrueAlert non addressable audible and visible notification. For applications requiring audible visible (A V) notification with horn tones, these Simplex 4903 series appliances combine a high intensity strobe with a low current electronic horn in a compact package that is easy and quick to install. Each appliance can be controlled independently from each other using conventional reverse polarity NACs.