Edwards Signals ED-5520AS Duotronic Horn Siren 12 Volt
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Edwards Signals ED-5520AS Duotronic Horn Siren 12 Volt The 5520 and 5521 Series are low current, high performance, high decibel signals which may be coded or used as a continuous alarm. The 5520 Series is designed to function as either a horn or siren by setting an internal, tamper proof switch. The signal's universal Adaptaplate? mounts directly on walls, or on any single-gang opening. Adaptaplate speeds installation by allowing the installer to connect all field wiring to the plate and then finishing the installation by snapping the horn onto the plate. It also mounts to 3 1/4" (83mm), 3 1/2" (89mm), 4" (102mm) octagon, 4" (102mm) square boxes, or equivalent fittings. The signal may be weatherproofed using the Edwards Cat. No. 349 back box.