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High precision motorized rotation stages with built-in direct reading encoders and Auto Detect

Select from the options below to find the model that’s right for you.

Please see the Series Specs tab for common specs for the RST-DE series, and refer to the Options tab for further details of each model.

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  • Speed up to 24 °/s and torque up to 10 N⋅m
  • 50.8 mm (2 inch) aperture with kinematic mounting options for repeatability of assembly
  • 50 kg centered load capacity
  • Continuous 360° rotation stage
  • Direct reading encoder for position correction; stage accuracy to 0.01°
  • Designed for use with an X-MCC Series stepper motor controller or any 2-phase stepper motor controller
  • With Auto Detect, the X-MCC controller configures its settings automatically for the connected peripheral
  • Custom versions available



1. Panel Mount DB26 with Auto Detect allows the stage to be easily connected to an X-MCC series controller and ready to use without additional user input.
2. 200 step per revolution stepper motor, microstepped up to 256x to provide smooth and precise motion.
3. High accuracy obtained with direct reading encoder with 0.2 arc sec resolution.
4. Stage top supports kinematic mounting with M2.5 and M6 threaded holes.
5. 50.8 mm (2 inch) aperture with H7 tolerance.
6. Holes on bottom and two sides provide flexible mounting options.


Zaber Technologies’ RST-DE Series products are motorized rotation stages with built-in direct reading encoders for high accuracy motion. Rated for a 50 kg centered load capacity and 10 N⋅m of torque, they are ideal for high load, angular positioning applications. RST-DE stages are designed for plug-and-play use with any of Zaber Technologies’ controllers. Set up is easy with Auto Detect. Once connected, the X-MCC controller will automatically detect and configure the RST-DE.




Weight 2.46 kg
Built-in Controller


CE Compliant


RoHS Compliant


Default Resolution

1/64 of a step

Encoder Type

Direct reading optical encoder

Limit or Home Sensing

Magnetic home sensor

Mechanical Drive System

Precision Worm Gear

Motor Steps Per Rev


Motor type

Stepper (2 phase)

Operating Temperature

0 – 50 °C

Vacuum Compatible


Encoder Resolution

6480000 CPR

Motor Connection

D-sub 26

Maximum Angular Momentum


Encoder Count Size

0.00005556 deg/count


RST120AK-DE50T10A-MC10 is a kit, comprised of:

Product Code Qty Description Weight
RST120AK-DE50T10A 1 Motorized rotary stage, integrated direct reading encoder, 360 degree rotation, 120 mm diameter, fine resolution, high torque, with Auto Detect 2.46 kg
MC10 1 Motor extension cable, 1.5 m, for use with X-MCC Series controllers and T10A peripherals 0.286 kg

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RST-DE Series

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Our knowledgeable sales team will be happy to help. We can normally source exactly what you need, or work with you to come up with custom solutions.

Alternatively, just call +44 (0) 1933 461 666 and ask to speak to the Photonics team.