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TAC DuraDrive Direct Coupled Actuators are designed to be used in both damper and valve control applications. The follow general instructions are for damper applications, refer to the Applicable Literature table for valve literature.

The MA40-704X, MA4X-707X and MA4X-715X series spring return actuators are used for the on-off, fail safe control of dampers and valves in HVAC systems.

  • 60 lb.-in. (4 N-m)
  • On-Off Control
  • Rugged die cast housings
  • Overload protection throughout rotation
  • Optional built-in auxiliary switch to provide for interfacing or signaling (-501 after model number)
  • Provides 95° rotation
  • Visual position indicator provided
  • Rotation limiting available
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Manuals (1)
Actuator Type:

Two Position

Fail Safe Mode:

Spring Return




133 lb-in




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