Siemens S-HQ-MC-W

DescriptionModel S-HQ-MC-W is an 8-inch, (20.3 cm.) multi-candela ceiling speaker that is a part of the Siemens Series of Fire Alarm Signaling Devices. Model S-HQ-MC-W, which can either be mounted with the Ceiling Support Bridge (Model SB-W) or the Ceiling Speaker Back Box (Model SE-1), is fastened to a metal, 12-inch (30.5 cm.) round grille with white, powder-coated finishing. Each Model S-HQ-MC-W has an operating voltage between 16.0 and 33.0 Volts DC, and a candela rating of 15, 30, 75 and 95cd. Furthermore, Model S-HQ is Underwriters Laboratories Listed and Factory Mutual Approved.