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Printed in U.S.A. 1/10 © Copyright 2010 Schneider Electric All Rights Reserved. F-26748-6
Application
DuraDrive
Direct Coupled Actuators are designed to be
used in both damper and valve control applications.
The following general instructions are for damper
applications, refer to the Applicable Literature table for
valve literature.
The MS40-717X series actuators are over the shaft
spring return actuators compatible with 2 to 10 Vdc or
4 to 20 mAdc
1
control signals.
Features
• 150 lb-in (17 N-m) rated torque
• NEMA Type 4 housing (IEC IP56)
• Custom automatic current sensing motor control
provides extended reliability and repeatable timing
• Direct coupled to the damper shaft with dual
industrial hardened universal mounting clamps
• Integral wiring for proportional control by 2 to 10 Vdc
or 4 to 20 mAdc
1
• Clockwise or counterclockwise spring return is
determined by actuator mounting position
• Accurate 92° travel digitally controlled
• Integral position indication scale
• Rugged die-cast housing
• Oil immersed gear train provides continuous
lubrication
• Integral transformer for high voltage systems
• Rated for operating temperature up to 140 °F
• Five year warranty
• MS40-717x series actuators can be double-
mounted (gang mounting) to accommodate high
torque application requirements (2 to 4 actuators).
• Position feedback signal
1.
With the addition of a 500 Ohm resistor - not in-
cluded
MS40-717X Series
DuraDrive™
Series Spring Return
Proportional Actuators
General Instructions