Damper Actuator Spring Motor Return, Volt:24, Mounting:Foot-Mounted, Frequency: 50/60Hz, Electrical Connections:Quick-Connect Terminals, Operating Humidity Range:5 To 95 Rh Non-Condensing, Operating Temperature Range:-25F To 125F, Timing Minimum 90 Sec Run-Time Max 90 Sec, Stroke:Fixed Stroke Angle Of Rotation 90 Degrees Maximum, Fail Safe Mode:Spring Return, Torque Rating:25 Lbs-In, Rotation To Open:CCW, Timing Nominal:Opening 90 Sec, Spring Return Timing:Nominal 18 Sec, Motor Shafts:1, Deadweight Load On Shaft:Power End 15 Lbs Maximum, Weight:3 Lbs 12.6 Oz, Made In Mexico