Satellites and subsystems > Attitude > Attitude actuators > Reaction wheels > 50 mNms momentum wheel
Key highlights
The 50mNms momentum wheel is for satellite attitude adjustment, with two types of structures, single-axis momentum wheel and three-axis integrated one, which can meet the demands of 6U~12U micro-nano-satellites.
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Last updated: 2025-07-28
50 mNms momentum wheel
Technical specs
Product life
3 yr
operating temperature
-15 to 50 C
height
96.5mm (three-axis)
47.5 mm
47.5 mm
width
98.5mm (three-axis)
72 mm
72 mm
length
99mm (three-axis)
73.5 mm
73.5 mm
Weight
≤830g（three-axis）
< 300 g
< 300 g
power consumption
1.35W@4000rpm，1.8W@5000rpm，3W@9000rpm
Maximum power consumption (at maximum torque)
8W@12V
Standby power
0.72W@12V
Power supply
8 to 14 V
maximum torque
2.22 mN m
Maximum speed
-9000 to 9000 rpm
Angular momentum
30mNms@5400rpm；40mNms@7200rpm;50mNms@9000rpm
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