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