Non-Spring Return Damper Actuator, 90 Second

Used to control dampers in applications such as variable air volume (VAV) terminal units and for mounting on ball valves; suitable for use with SPDT or floating thermostats or building automation controls. Features Control for air damper applications with up to10 sq.ft. assuming 3.5 in-lb per sq.ft. of damper area, velocity independent. Superior A/C synchronous submotor for consistent timing and actuator longevity. Eliminate need for limit switches or mechanical stops by providing magnetic coupling. All models include manual declutch lever, and bag assembly with two minimum position setscrews. Mount directly on 3/8 inch or 1/2 inch square or round damper shaft. Selectable 45, 60, and 90 stroke in either clockwise or counterclockwise direction. Specifications Direct Coupled, General Purpose, Non-Spring Return ActuatorActuator Type: DamperApplication Type: HVACTorque/Force (lb-in., lbf : 35lb-in. Torque/Force (Nm, N): 4 Nm Fail Safe Mode: Non-Spring ReturnControl Signal: Floating, SPDTSupply Voltage: 24 Vac + or - 20%Number of Internal Auxiliary Switches: 0External Aux. Switches Available: Yes, 201052BShaft Adapter Type: Aluminum Hub, two set screwsManual Operation: Declutch MechanismMaximum Stall Torque/Force (lb-in., lbf): 70 lb-in. Maximum Stall Torque/Force (Nm, N): 8 NmMounting: Direct Coupled Frequency: 60 HzRotational Stroke: 90 degreesRotational Stroke Adjustment: Mechanically limited at 45 or 60 degrees in cw or ccw directionsRotation to opening: By wiringDimensions: 5.55 in high x 3.39 in wide x 2.52 in deep Compatible Damper Shafts (in.): 3/8 to ½ Square or RoundTemperature Range, Ambient (F): 20 F to 125F Temperature Range, Storage (F): 20 to 130FOperating Humidity Range: 5 to 95% RH, non-condensing Maximum Noise Rating, Driving (dB(A) @ 1m): 45 Environmental Rating: NEMA1