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Home » Motion Solutions » Linear Stages » Direct Drive Linear Motor Stages » Servo Linear Actuator – MAG ™

Servo Linear Actuator – MAG™

The Dover MAG™ series servo linear actuator is a very compact, high performance, direct drive stage suitable for use in a wide range of applications. These stages can be configured with ironcore or ironless motors for either powerful or smooth motion.

All Dover products can be configured to your specifications.Learn More


The Dover MAG™ series servo linear actuator offers an integral ironcore direct drive linear servo motor with up to 5 G’s of acceleration and peak force generation of 170 newtons for high acceleration and force generation applications. When smoother motion is required, the stage can be configured with an ironless direct drive linear servo motor for smooth velocity, reduced cogging, and less attractive forces. This makes the Dover MAG™ an ideal candidate for demanding life science, medical, photonics, semiconductor, and hard disk drive inspection and repair positioning applications.


Our MAG™ series servo linear actuator is great for applications that require high speed motion, or more precise positioning than can be achieved with a screw drive. One application use is for 2G acceleration of a sensor for testing purposes.

Design Features

  • No moving cables
  • Accurate direct drive servomotor
  • High acceleration


Base ModelMAG - 50MAG - 100MAG - 150MAG - 200MAG 250
Travel (mm)50100150200250
Accuracy (μm TIR)3581012
Bi-directional Repeatability (± μm)
Maximum Acceleration (m/s2)5050504030
Maximum Velocity (m/s)55555
Load Capacity (kg)7575757575
Pitch & Yaw (arc-seconds)1015202525
Straightness & Flatness (microns)457912


  • Motor options available: ironless or ironcore servo motors
  • Feedback options available: linear encoder with analog or digital (1 um or 0.1 um resolution are standard, other resolutions available upon request)

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