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.

  • 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.
  • Direct Coupled, General Purpose, Non-Spring Return Actuator
  • Actuator Type: Damper
  • Application Type: HVAC
  • Torque/Force (lb-in., lbf : 35lb-in.
  • Torque/Force (Nm, N): 4 Nm
  • Fail Safe Mode: Non-Spring Return
  • Control Signal: Floating, SPDT
  • Supply Voltage: 24 Vac + or - 20%
  • Number of Internal Auxiliary Switches: 0
  • External Aux. Switches Available: Yes, 201052B
  • Shaft Adapter Type: Aluminum Hub, two set screws
  • Manual Operation: Declutch Mechanism
  • Maximum Stall Torque/Force (lb-in., lbf): 70 lb-in.
  • Maximum Stall Torque/Force (Nm, N): 8 Nm
  • Mounting: Direct Coupled
  • Frequency: 60 Hz
  • Rotational Stroke: 90 degrees
  • Rotational Stroke Adjustment: Mechanically limited at 45 or 60 degrees in cw or ccw directions
  • Rotation to opening: By wiring
  • Dimensions: 5.55 in high x 3.39 in wide x 2.52 in deep
  • Compatible Damper Shafts (in.): 3/8 to ½ Square or Round
  • Temperature Range, Ambient (F): 20 F to 125F
  • Temperature Range, Storage (F): 20 to 130F
  • Operating Humidity Range: 5 to 95% RH, non-condensing
  • Maximum Noise Rating, Driving (dB(A) @ 1m): 45
  • Environmental Rating: NEMA1
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Manuals (1)
Product Type:
Actuator Type:
35 lb-in
Fail Safe Mode:
Non-Spring Return
Temperature Range:
20° to 125°F
90 Seconds
NEMA-1 Enclosure

Replacement Parts (1)

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