MS40-7043 Spring Return DuraDrive Proportional Damper and Valve Actuator


MS40-7043-MPActuator 6-9 Vdc$438.23
MS40-7043Actuator 2-10 Vdc$289.46
MS40-7043-501Actuator 2-10 Vdc w/ Aux Switch$370.47


The MS40-7043 are for spring return applications that require proportionalmosulation control of dampers and valves in HVAC systems.


  • Proportional models controlled by 6-9 Vdc, 2-10 Vdc or 4-20mA with the addition of a 500 ohm resistor.
  • 35 lb.-in
  • Direct mount to round or square damper shaft
  • overload protection throughout rotation
  • 24 VAC
  • Directly mounts to 1/2 to 3″ ball valves
  • MS4D-7033is aCCW Rotation model
  • Accessories are listed on the spec sheet

Download Product Spec Sheet

Additional information


Barber Colman


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