This product has been replaced by the following new product: L-220 High-Resolution Linear Actuator

M-231 High-Resolution Linear Actuator with DC and Stepper Motor

Precise and Cost-Efficient, Slim Design

PI M-231
Travel range 17 mm
Min. incremental motion 0.1 µm
Velocity to 1.5 mm/s
Closed-loop DC servo and stepper motor versions
MTBF >5,000 h

Compact precision-class linear drive

Cost-efficient, high-resolution linear actuator, DC mike and stepper mike Rotating end piece, rotating pusher. Fits to the


High-quality components

Extremely low-friction and backlash-free construction. Noncontact limit switches protect the mechanical system. Closed-loop variants with differential encoder driver for a safe position signal transmission at distances up to 10 mm


Motor variants

  • Position-controlled DC motors with a gearhead and high-resolution rotary encoders allow for incremental motion and repeatability of just 100 nm
  • Low-vibration 2-phase stepper motors with gearhead allow for smooth and accurate open-loop positioning


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Drawings / Images

PI M-231 Drawing
PI M-105.30 M-231

Ordering Information

This product is currently not in our price list.

It is an example of what is feasible with our technology. We would like to work with you on a solution that fits your needs.
High-Resolution Linear Actuator with DC Motor, 17 mm, Limit Switches
High-Resolution Linear Actuator with Stepper Motor, 17 mm, Limit Switches

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Short Instructions MP122EK

M-168 / M-22x / M-23x Linear Actuators
pdf - 773 KB

User Manual MP104

M-231 High-Resolution Linear Actuator
pdf - 594 KB
pdf - 642 KB