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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.

  • position actuator controlled by SPST controller
  • 133 lb-in (15 N-m), 60 lb-in (7 N-m), and 35 lb-in (4 N-m) torque models
  • 24 Vac/DC, 120 Vac, and 230 Vac models
  • Rugged die cast housings rated for NEMA 2 / IP54
  • Overload protection throughout rotation
  • Optional built-in auxiliary switch to provide for interfacing or signaling
  • Provides 95° of rotation
  • Visual position indicator provided
  • Provides true mechanical clockwise or counterclockwise spring return operation for reliable fail safe application and positive close-off in air tight damper applications
  • Direct mount to round or square damper shafts
  • Rotation limiting available
  • MA4X-7153 series actuators can be doublemounted (gang mounting) to accommodate high torque application requirements
  • Five year warranty
  • MA41-707X-XXX and MA41-715X-XXX equipped with manual override
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Manuals (1)
Actuator Type:

Two Position

Fail Safe Mode:

Spring Return




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