Satellites and subsystems > Attitude > Attitude actuators > Reaction wheels > Reaction Wheel - RWT250
Key highlights
The Astrofein Reaction Wheel - RWT250 supports a variety of operational modes and has angular momentum of 4.0 Nms.
Key features
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Last updated: 2026-04-23
Reaction Wheel - RWT250
Technical specs
integrated electronics
true
angular momentum storage
4 N m s
angular speed
5000 rpm
maximum angular speed
5000 rpm
torque
0.3 N m
mass
< 2.75 kg
voltage
23 to 34 V
idle power
< 3.5 W
steady state power
< 15 W
maximum power
< 220 W
moment of inertia
7.989e-3 kg m²
data interface
RS485, RS422 or CAN
diameter
180 mm
height
80 mm
lifetime
> 7 years in LEO
operating temperature
-25 to 50 C
survival temperature
-40 to 65 C
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