Overview
The EYOU PH11 is an internal rotor torque motor for humanoid robots, robotic arms, exoskeletons, quadruped robots, AGV vehicles, and ARU robots. It operates at 24–36 V and is offered as PH11B with brake or PH11N without brake, with 51 or 101 gear-ratio selections. The ratio selections provide distinct rated speed and torque values for matching the motor to the required motion profile.
Features
- Internal rotor torque motor design
- Dual magnetic encoder with 19-bit encoder accuracy
- 6 mm through bore
- 15 arcsec backlash
- Noise: <70 dB
- Operating temperature range: −20 to 80 °C
Specifications
| Parameter | Gear Ratio 51 | Gear Ratio 101 |
|---|---|---|
| Model | PH11 | PH11 |
| Motor type | Internal rotor torque motor | Internal rotor torque motor |
| Diameter | 52 mm | 52 mm |
| Through bore ID | 6 mm | 6 mm |
| Weight (with brake / without brake) | 495 / 434 g | 495 / 434 g |
| Backlash | 15 arcsec | 15 arcsec |
| Noise | <70 dB | <70 dB |
| Temperature range | −20 to 80 °C | −20 to 80 °C |
| Operating voltage | 24–36 V | 24–36 V |
| Rated power | 120 W | 120 W |
| Gear ratio | 51 | 101 |
| Rated speed | 60 rpm | 30 rpm |
| Rated torque | 3.5 N·m | 6.8 N·m |
| Peak torque | 6.8 N·m | 13 N·m |
| Encoder accuracy | 19-bit | 19-bit |
| Encoder type | Dual magnetic encoder | Dual magnetic encoder |
Installation Drawing Details
| Drawing item | Specified value |
|---|---|
| Overall length | 62.3 ±0.05 |
| Housing diameter | Ø58 ±0.2 |
| Mounting-circle dimension | Ø47 |
| Dimension | Ø34 |
| Central feature | Ø6 |
| Feature | Ø38 H7 |
| Feature | Ø52 H7 |
| Dimension | 23.7 |
| Dimension | 2.5 ±0.02 |
| Dimensions | 10.6 and 5.4 |
| Threaded holes | 8 × M2, depth 5 |
| Holes | 8 × Ø2.2, depth 2.5 |
| Threaded holes | 8 × M2.5, depth 5 |
| Mounting-hole pattern spacing | 22.5° |
| Dowel holes | Not installed by default |
Applications
- Humanoid robots
- Robotic arms
- Exoskeletons
- Quadruped robots
- AGV vehicles
- ARU robots
Technical Documents
EYOU PH11 Motor — 3D Model (STP)
PH11 — Installation Drawing (PDF)
Visual Details
Additional Product Details

Interfaces and Connections



Product Views




Dimensions and Construction
