Mallory Sonalert Products Inc. Hazardous Location Alarm Part # SCH648R Revision A 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) Medium Sound Level Continuous tone 10 to 48 Vdc 2900 Hz 500 Hz 68 dB(A) min. @ 2 FT and 10 Vdc 80 dB(A) min. @ 2 FT and 48 Vdc 4 mA Max @ 10 Vdc 18 mA Max @ 48 Vdc -40C to +85C -30C to +65C 1.5 oz (42 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 ROHS Compliant UL Recognized 4411 South High School Road, Indianapolis, Indiana 46241 U.S.A * Phone: (317) 612-1000 Fax: (317) 612-1010 * www.mallory-sonalert.com