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 6645-01-127-7879
NSN 5925-01-249-7547
NSN 5960-00-785-4274
NSN 5965-01-594-1983
NSN 5855-00-156-5489
NSN 6240-01-660-6773
NSN 5998-01-357-6981
NSN 6685-00-581-2688
NSN 6685-01-199-9109
NSN 5855-01-475-1987
NSN 6145-01-092-1676
NSN 5935-01-023-6137