Overview
The MyActuator RMD-X6-H Motor is a servo actuator system with an integrated reducer and built-in MC driver, designed for torque/velocity/position control via CAN bus or RS485. It supports servo mode (Torque / Velocity / Position) and motion mode (feedforward torque / velocity / position), making it suitable for robotics joints and compact mechatronics integration.
Key Features
- Hollow helical tooth / hollow helical gear reducer design; described as ultra low back gap and high cost-effectiveness.
- Built-in MC driver.
- Multiple communication methods: CAN and RS485; CAN/RS485 transmission with multiple selection of transmission speed.
- New pad structure; described as reducing interface damage from long-term use.
- Double bearing structure; described as better compression/seismic resistance (performance improvement by 20%).
- Upgrade multiple protection (smart chips ensure security): overload protection, overcurrent protection, overvoltage protection, short circuit protection, automatic capacity adjustment.
- Mechatronics integration design; described as fast heat dissipation and strong power, with lower noise.
- Label markings include: “MyActuator Servo Actuator System”, “RMD X6-H”, “V3”, and reducer ratio marking “1:6”.
- Interface label markings include: LED, 5V, TX, RX, GND, CANL, CANH, +, -.
Specifications
| Item No. | 1033320040 |
| Control mode |
Servo mode (Torque / Velocity / Position) Motion mode (feedforward torque / velocity / position) |
| Communication Method & Baudrate |
CAN BUS: 500Kbps / 1Mbps RS485 BUS: 115200 / 500K / 1M / 1.5K / 2.5K |
| Input Voltage | 48V |
| No Load Speed | 450RPM |
| Nominal output Speed | 400RPM |
| Nominal current | 3.6A |
| Output Norminal power | 135W |
| Nominal torque | 4 N.m |
| Efficiency | 78% |
| Overload coefficient | 2.5 |
| Wire Resistance | 0.55 ohm |
| Wire inductance | 0.18 mH |
| Motor Speed constant | 62 rpm/v |
| Motor Torque constant | 0.17 N.M/A |
| Axial direction payload | 775 N |
| Radial direction payload | 1040 N |
| Rotor inertia | 800 gcm^2 |
| Motor weight | 400 g |
| Reducer ratio | 6:1 |
| Backlash | 8 Arc min |
Applications
- Humanoid robots
- Robotic arms / mechanical arms
- Exoskeletons
- Quadruped robots / legged robots
- AGV vehicles
- ARU robots
For selection guidance and integration support, contact support@rcdrone.top or visit https://rcdrone.top/.
Manuals
Details

The RMD-X6-H integrates motor, reducer, and driver into a compact servo actuator for CAN bus or RS485 control.


A hollow helical gear reducer design supports clean joint routing while maintaining low backlash for robotics integration.

Built-in MC driver electronics simplify wiring, with CAN/RS485 communication options and a reinforced double-bearing structure.


Common use cases include robotic arms, exoskeleton joints, and legged robots where compact torque control is required.
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