Duct Smoke Detector, 14-1/4" L, 2-1/4" D

Duct Smoke Detector, Smoke Detector, Finish Unfinished, Duct Mounting, Alarm Current 135mA RMS @ 24V AC, 35mA RMS @ 120V AC, 65mA @ 24V DC, Depth (In.) 2 1/4 in, Height (In.) 4 3/4 in, Length (In.) 14 1/4 in, Tube Length (Ft.) 1 ft, Width (In.) 2 1/4 in, Ambient Temp. Limits (F) -4 Degrees to 158 Degrees F, Air Velocity (FPM) 100 to 4000 fpm, Alarm Aux. Contact @ 30VDC 2 A, Alarm State (mA) 135 mA, Humidity Range ( Percent RH) 0 to 95 Percent RH, Standby State (mA) 65 mA, Voltage 120V AC, 24V DC