12" X 24" Automatic Rectangular Damper, Volt:24, Hertz:60, Amps:0.32, Motor Electrical Connection:4" Leadwire, Motor Nominal Angular Rotation:90 Degrees, Motor Torque:Minimum 71 In-oz, Nominal Motor Timing at 77F Ambient:Energized at Rated Load:30 Seconds, De-Energized:10 Seconds, Motor Ambient Temperature Rating:40 to 140F, Motor Finsih:Zinc-Plated Steel, Anodized Aluminum, Rotation:Clockwise, Mounting Position:Multi-Poise