Damper Actuator, Type:Modulating Control, for Use With:Economizer, Volts:24 VAC, Hertz:50/60, Drive Power:8Vac, Hold Power:5 VAC, Stroke:90 Degree, Timing:90 Seconds, Torque:25 Lb-In, Spring Return:CCW, Temp Range:-25 To 125 Deg F, Includes:Crank Arm Assembly, Weight: 3 Lbs 4.6oz, Dims:4-1/2"H X 4-1/2"W X 5"D, In Manufacturer Box, Assembled In Mexico