The compact reaction wheel is designed for attitude control used in pico or nano satellites. Due to its cube shape with integrated electronic control it can be used in several configurations. The reaction wheel is provided with vacuum-rated bearings and components resisting radiation terms up to 200 Gy. Profiting from the experience of WITTENSTEIN cyber motor in the field of precise small permanentmagnet motors and ZFT in the field of reliable space electronics and
software engineering.