Overview
The DAMIAO DM-J4310P-2EC Robot Motor is a compact drive unit for robotics with a 10:1 reduction, dual 16-bit single-turn magnetic encoders, and CAN bus control. Available in 24 V and 48 V variants, it delivers 3.5 N m nominal torque and up to 12.5 N m peak torque with a nominal speed of 120 RPM. The motor measures 57 mm in outer diameter, 49 mm in height, and weighs 325 g. Configuration is via high-speed UART.
Key Features
- Model: DM-J4310P-2EC (24 V / 48 V)
- Nominal torque 3.5 N m; peak torque 12.5 N m
- Nominal speed 120 RPM; max no-load speed up to 200 RPM (24 V) / 450 RPM (48 V)
- Dual encoders: 2 x single-turn magnetic, 16-bit resolution
- CAN bus control at 1 Mbps; UART configuration at 921600 bps
- Control modes: MIT Mode, Position Mode, Speed Mode
- Compact form factor: 57 mm OD, 49 mm height, 325 g
Specifications
| Parameter | DM-J4310P-2EC (24 V) | DM-J4310P-2EC (48 V) |
|---|---|---|
| Nominal Voltage | 24 V | 48 V |
| Nominal Current | 4.9 A / 3.1 A @ 24 V | 4.8 A / 1.6 A @ 48 V |
| Peak Current | 20 A / 15.6 A @ 24 V | 20 A / 12.8 A @ 48 V |
| Nominal Torque | 3.5 N m | 3.5 N m |
| Peak Torque | 12.5 N m | 12.5 N m |
| Nominal Speed | 120 RPM | 120 RPM |
| Max. No-load Speed | 200 RPM | 450 RPM |
| Reduction Ratio | 10:1 | 10:1 |
| Pole Pairs | 14 | 14 |
| Phase Inductance | 320 uH | 320 uH |
| Phase Resistance | 580 mOhm | 580 mOhm |
| Outer Diameter | 57 mm | 57 mm |
| Height | 49 mm | 49 mm |
| Motor Weight | 325 g | 325 g |
| Encoder Resolution | 16-bit | 16-bit |
| Encoder Quantity | 2 | 2 |
| Encoder Type | Single-turn magnetic encoder | Single-turn magnetic encoder |
| Control Interface | CAN @ 1 Mbps | CAN @ 1 Mbps |
| Configuration Interface | UART @ 921600 bps | UART @ 921600 bps |
| Control Mode | MIT Mode / Position Mode / Speed Mode | MIT Mode / Position Mode / Speed Mode |
Applications
- Humanoid robots
- Robotic arms
- Exoskeletons
- Quadruped robots
- AGV vehicles
- ARU robots
Installation Drawing
- Outer diameter: 57 mm
- Overall height reference: 49.05 mm; body length reference: 47.55 mm
- Front face: 6 x M3 mounting holes
- Rear face: 4 x M3 mounting holes on a 38 mm circle
Manuals
Details

DAMIAO DM-J4310P-2EC robot motor technical drawing with dimensions, views, and specifications for mechanical design and manufacturing.
Related Collections

Explore More Drones & Accessories
-
Camera Drone
Our Camera Drone Collection features a wide range of brands including FIMI,...
-
Drone Accessories
Discover a wide range of drone accessories to enhance flight performance, extend...