The Edwards 338 & 339 are surface mount AC or DC single stroke chimes which can be pulsed up to 10 pulses/second. The chimes are high quality units with underdome construction intended for heavy-duty commercial and industrial use. The chimes require no lubrication.
The chimes come complete with an Adaptaplate® mounting plate. The Adaptaplate mounts on any plaster cover with mounting holes on 2 3/4" (70mm) centers, on any single gang opening, on any 3 1/4" (83mm), 3 1/2" (89mm), or 4" (102mm) octagon or square box. Also mounts directly on any wall surface. For flush mounting use Cat. No. 512-A grille and 512-1 back box.
For paging and scheduling applications requiring a pleasant note with middle range decibel rating. Ideal for offices and stores.