Mallory Sonalert Products Inc. Hazardous Location Alarm Specifications: Sound level Category Mode of Operation Voltage Rating Frequency Loudness (Min. Voltage) Loudness (Max Voltage) Current Draw Current Draw Storage Temperature Operating Temperature Weight (Typical) Housing Environmental Approvals Panel Mounting Mounting (see note B) Options Dimensions: Inches (mm) SCH250R Revision A Part # Medium Sound Level Continuous tone 60 to 250 Vac/dc 2900 Hz 500 Hz 68 dB(A) min. @ 2 FT and 60 Vac/dc 80 dB(A) min. @ 22 FT FT and and 250 250 Vac/dc Vac/dc min @ 5 mA Max @ 30 Vac/dc 18 mA Max @ 120 Vac/dc -40C to +85C -30C to +65C 2.1 oz (59 g) 6/6 Nylon, Color Black NEMA 3R, 4X & 12; IP-66; CSA C22.2 No. 94; Hazardous Loc. Class I, Div, II, Grps A, B, C & D Recommended hole size is 1.25" (31.75mm). Threaded front will fit standard 30mm (1.181") hole. Gasket (included with alarm) must be used to ensure compliance to all Environmental Approvals. For other options contact factory UL Recognized 4411 South High School Road, Indianapolis, Indiana 46241 U.S.A Phone: (317) 612-1000 Fax: (317) 612-1010 RoHS Compliant www.mallory-sonalert.com