Model ae-30u contains a yellow led on the face of the module which indicates an open or shorted condition
An automatic electrical, electromechanical, or electronic device which generates and/or controls the energy which actuates electrical alarms such as bells, horns, sirens, buzzers, lights, and which does not in itself contain the actual alarm. If complete with alarm, the device takes the name of the type of alarm, such as alarm (as modified).
Classification: Parts of electric sound or visual signaling apparatus other than printed circuit assemblies, nesoi
NSN 6620-01-573-1952
NSN 5915-00-088-0814
NSN 7035-01-468-6532
NSN 5920-01-228-4384
NSN 6685-01-421-2206
NSN 5835-01-497-5029
NSN 5930-01-343-3863
NSN 5960-01-564-5044
NSN 5998-00-020-6961
NSN 6685-01-227-3701
NSN 6110-00-399-1413
NSN 6685-00-549-6438