Corrosion resistant electrostatic heat flowed powder epoxy gray finish
Fitted with factory sealed 1/2” (13mm) threaded pipe nipple for quick installation
Diode polarized version for supervised circuits
Speaker swivels 180° vertically or horizontally depending on orientation of mounting bracket (5523MD-AW)
30” (762mm) wire leads
Siren frequency - rises and falls from 600 to 1250 Hz every 8 seconds
UL listed for Class I, Div. 1 and 2, Groups B, C and D