30 S i g n a l i n g D e v i c e s Overview The 757 Integrity Series T emporal Hor n is perfect for life safety applications as an alert and alarm signal. The hor n emits a pier cing low fr equency sound that is easily hear d above moderate ambient noise levels. During installation, the hor n is confgur ed for steady or temporal tone signal and either low or high dB output. When temporal output is selected all hor ns on a common 2-wir e cir cuit ar e self-synchr onized . Integrity Series hor ns emit a low fr equency “gr owling” tone to r eally demand attention. Select ‘high’ output for 98 dBA; choose ‘low’ output for 94 dBA. Installation and Mounting Standar d Featur es • Synchr onized temporal audible output • Mounts to 2-gang box or 4” squar e box • Adjustable high or low dba output • T rue hor n tone • Easy installation • Scr ew terminal wir e connection • UL/ULC rated outdoor option Or dering Information Cat. No. Description Ship Wt. lb. (kg) T emporal Hor ns 757-1A-T T emporal hor n, r ed, weatherpr oof 1.7 (.8) 7 5 7 - 1 A - T W T emporal hor n, white, weatherpr oof 1.7 (.8) Mounting Accessories 757A-SB* Surface box, Red, Indoor 1.5 (.7) 757A-WB* W eatherpr oof Box, Red, Surface 1.5 (.7) 757A-BDF* Bi-dir ectional Frame, Red 4 (1.8) * Add W for white (eg. 757A-SBW) T emporal Hor n 7 5 7 S e r i e s Mounting Plate (pr ovided) #6-32 scr ews (by others) Single Mounting Scr ew (pr ovided) Housing 5-1/2 ” (140mm) x 5-1/2” (140mm) x 5/8” (16mm) Surface Box: 5-5/8” (143mm) sq. x 3-9/16“ (91mm) deep North American 2-gang electric box, 2-3/4” (69mm) minimum (Alter native: 4” squar e box 2-1/8” (54 mm) deep)