satsearch logo

Hey there,

If you're looking for prices, lead times and any other information for components, subsystems or services, submit a free tender with preliminary specifications, and suppliers will respond to you:


The COMAT Reaction Wheels 40 is designed for detumbling, attitude control, and torque or angular rate control of nanosatellites with a mean torque of 4 mNm.

The system is fully characterized and qualified according to the European Cooperation for Space Standardization (ECSS) and has an 8 years lifetime duration.

Key features

  • Plug & play concept
  • Embeded electronic
  • Robust technology (stainless steal bearings)
  • Compact design & accommodation
  • Embedded and protected electronics

Disclaimer: satsearch is not responsible for any mistakes on this page, although we do our best to ensure correctness. Please report any mistakes to us.

Last updated: 2022-11-30

Reaction Wheels 40



230 g (electronic and radiation protection included)
67 mm
44.8 mm
4 mN m
data interface
8 yr
communication protocol
operating temperature
-30 to 50 C
angular momentum storage
40 mN m s
angular speed control accuracy
2 rpm

1. More than 100,000 zero crossing tests 8 years of operation


Submit your request

Request details

The more information you can provide the better.

Personal Information

Submitting your information allows us to get in touch with you once we get a response from the supplier.

Please select one of the following:

Would you like to subscribe to our newsletter?

Requests that are submitted through satsearch are anonymously posted to our leads page.

from our blog

Go to blog

Reaction wheels: an overview of attitude control systems available on the global marketplace for space

Magnetorquers: an overview of magnetic torquer products available on the global marketplace for space

Spotlight: Space Enhanced Plastic products for NewSpace - with Texas Instruments