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RMD-X8-P20-120
Ultra-high torque 80mm planetary actuator for heavy industrial automation.
Best-fit applications
Humanoid jointsQuadruped hipsKnee jointsLarge cobot joints
Key Specifications
Rated Torque
43 N.m
Rated Speed
127 RPM
Weight
1.40 Kg
Communication
CAN BUS / EtherCAT
Technical Parameters
Detailed actuator specifications and performance data.
Parameter
Value
Product Number
RMD-X8-P20-120-E
Actuator Full Name
RMD-X8-P20-120-E
Encoder Type
Dual Encoder ABS-17BIT (Input) / 17BIT (Output)
Communication
CAN BUS / EtherCAT
Brake
N (without brake)
Gear Ratio
19.612
Input Voltage
48 V
No Load Speed
158 RPM
No Load Current
1.6 A
Rated Speed
127 RPM
Rated Torque
43 N.m
Rated Power
574 W
Rated Current
17.6 A(rms)
Peak Torque
120 N.m
Peak Current
43.8 A(rms)
Motor Back-EMF Constant
19.2 Vdc/Krpm
Module Torque Constant
2.4 N.m/A
Motor Phase Resistance
0.18 Ω
Motor Phase Inductance
0.31 mH
Pole Pair
10
3 Phase Connection
Y
Backlash
10 Arcmin
Inertia
1.5 Kg.cm²
Repeat Position Accuracy
<0.01 Degree
Weight
1.40 Kg
Insulation Grade
F
Stall Torque Data
Torque vs temperature rise, stall time, and phase current.
Torque
Temperature Rise
Stall Time
Phase Current
64.5 N.m
7 °C
15 s
23.3 Arms
86 N.m
10 °C
10 s
31.1 Arms
107.5 N.m
26 °C
8 s
38.9 Arms
129 N.m
30 °C
5 s
43.8 Arms
Torque
64.5 N.m
Temp Rise
7 °C
Stall Time
15 s
Phase Current
23.3 Arms
Torque
86 N.m
Temp Rise
10 °C
Stall Time
10 s
Phase Current
31.1 Arms
Torque
107.5 N.m
Temp Rise
26 °C
Stall Time
8 s
Phase Current
38.9 Arms
Torque
129 N.m
Temp Rise
30 °C
Stall Time
5 s
Phase Current
43.8 Arms