Overview
The MyActuator RMD-X8-120 servo motor integrates a planetary gearbox, dual 17-bit encoders, and a high-performance drive controller, offering powerful torque and precise motion control. With 574W rated power, 43N·m rated torque, and up to 110N·m peak torque, it is ideal for humanoid robots, robotic arms, quadruped robots, and other intelligent automation systems. Supporting CAN BUS and EtherCAT protocols, it ensures seamless integration with modern robotics platforms.
Key Specifications
| Parameter | Value |
|---|---|
| Model | RMD-X8-P20-120-C |
| Gear Ratio | 19.612:1 |
| Voltage | 48V |
| No-load Speed | 158 RPM |
| Rated Speed | 127 RPM |
| No-load Current | 1.6 A |
| Rated Torque | 43 N·m |
| Peak Torque | 110 N·m |
| Peak Phase Current | 43.8 A (rms) |
| Rated Power | 574 W |
| Weight | 1.4 kg |
| Dimensions | Φ96 mm × 76 mm height |
| Encoder Type | Dual Encoder ABS-17BIT (Input) / 17BIT (Output) |
| Communication | CAN BUS / EtherCAT |
Interface & Connectivity
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EtherCAT IN/OUT for high-speed, real-time communication
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CAN_H & CAN_L terminals for CAN BUS networking
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VCC/GND for power input (48V)
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Signal channels (T-/T+/R-/R+) for command and status feedback
Included Accessories
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2× Power Supply + CAN BUS communication cables
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2× EtherCAT communication cables
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1× 120Ω terminal resistor
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1× CAN BUS communication module with USB-CAN adapter
Key Features
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High Precision Control – Dual 17-bit absolute encoders enable accurate position, speed, and torque control.
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High Torque Output – Rated torque 43N·m, peak 110N·m for demanding loads.
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Integrated Design – Compact structure with planetary gearbox and drive module for easy installation.
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Dual Protocol Support – Compatible with CAN BUS and EtherCAT for flexible integration.
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Robust Build – High-strength cross-roller bearings ensure durability under heavy loads.
Applications
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Humanoid robot joints
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Collaborative robotic arms
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Quadruped and biped robots
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Exoskeleton systems
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Autonomous mobile platforms
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High-precision industrial automation
Details

The M-RMD X8-120 servo actuator offers dual encoder, 48V input, 43 N.m torque, 574W power, CAN BUS/EtherCAT, 19.612 gear ratio, 10 pole pairs, 1.40 kg weight, and stall torque details.

Servo interface X8-120 supports EtherCAT and CAN bus, includes power, signal connections, and USB-CAN adapter. Packaging: 165x165x127mm. Contains power supply, cables, terminal resistance, and communication module.

MyActuator X8-120 accessories include power supply with CAN BUS cable, 120Ω terminal resistance, EtherCAT cable, and CAN BUS module. Details cover connectors, wire functions, and terminals for communication and power. Free USB-CAN adapter included per order.

MyActuator X8-120 servo motor, 574W, 45N.m, dual encoder, 127rpm, 1:20 ratio. Includes power+CAN BUS cables, EtherCAT cables, and 120Ω terminator. CE ROHS certified.

EtherCAT + CAN BUS dual encoder servo, model RMD-X8-P20-120-C, 48V, 19.612 reduction ratio, 127RPM, 43N.m torque, 574W output, 1.4kg weight, featuring high-speed MCU, CAN chip, and crossed roller bearings.

Dual Encoder ABS-17BIT Input/Output, X8-120CL, supports force-position hybrid control, precise torque control.

MYACTUATOR X8-120 servo with power, CAN BUS, EtherCAT cables and 120Ω terminator. Packaging includes two each of power and communication lines.

Integrated planetary gear module, dual encoder, EtherCAT/CAN communication, peak torque 120N.m, dimensions 96mm×76mm, for robotic joints.
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