Damper Actuator; Type 2-Position, Direct Mount; Operation Type Spring Return; Voltage Rating 24 Volt AC; Maximum AC Voltage 24 Volt; Current Rating 0.32 Amp; Frequency Rating 60 Hertz; Power Rating 8 Volt Amp; Torque 60 Inch Ounce; Angle of Rotation 90 Degree; Size 2-3/8 Inch Width x 3-3/8 Inch Depth x 4-1/2 Inch Height; Operating Temperature 40 to 140 Deg F; Application Damper Actuator; Motor Timing 30 Second (Powered)/10 Second (Spring Return); Shaft Rotation ClockwiseThe M847D is a two position, 24 Vac spring return actuator designed to operate ARD, EARD and ZD zone dampers.