Robot joint motor
Integrated planetary module
| Motor Model:HT8108-J9-2E Rated torque:10 N.m Communication Type:RS485&CAN Motor dimensions:Ø96mm*41.5mm |
Servo motor | ||
Factory Direct Sales | Quality Guaranteed | Reduction ratio1:9 |
Details/Model | Unit | HT8108-J9-2E | |
Driver Model | / | GDZ810 | GDZ810 |
Winding Type | △/Y | △ | Y |
Rated voltage | V | 24 | 48 |
Voltage Range | V | 12~48 | 12~48 |
Rated Power | W | 252 | 312 |
Rated torque | N.M | 10 | 11 |
Peak torque | N.M | 35 | 36 |
Rated Speed after reduce | RPM | 179 | 212 |
Max Speed after reduce | RPM | 223 | 257 |
Rated curret | A | 10.5 | 6.5 |
Peak current | A | 56 | 48 |
Interphase resistance | Ω | 0.234 | 0.78 |
Interphase inductance | uH | 120.46 | 370.78 |
Speed constant | rpm/v | 9.20 | 5.25 |
Torque constant | N.M/A | 0.79 | 1.2 |
Number of pole pairs | Pairs | 21 | 21 |
Gear Rate | / | 9:1 | 9:1 |
Gear type | / | Planetary | Planetary |
Reducer gear material | / | STEEL | STEEL |
Reducer gear backlash | arcmin | 15 | 15 |
Motor weight without driver | g | 525 | 525 |
Motor weight with driver | g | 567 | 567 |
Size without Driver | mm | Ø96*34 | Ø96*34 |
Size with Driver | mm | Ø96*41.5 | Ø96*41.5 |
Max.Axial load | N | 225 | 225 |
Max.Radial load | N | 900 | 900 |
Noise | dB | <60 | <60 |
Communication | / | CAN & RS485 | CAN & RS485 |
the second encoder on the output shaft | / | YES | YES |
Protection grade | / | IP54 | IP54 |
Working temperature | ℃ | -20 ~ +80 | -20 ~ +80 |
Resolution of the encoder on the driver | Bit | 14 | 14 |
Can support separate encoder or not | / | NO | NO |
Can support custom brakes | / | YES | YES |
HT8108-J9-2E Motor Characteristic Curves @ 24V

━ Rotational speed (rpm)
━ Current (A)
━ Output power (W)
━ Efficiency
HT8108-J9-2E Motor Operating Range Curve @ 24V

━ Rotational speed (rpm)
● 2s (34.67Nm, 0.0rpm)
● 60s (13.97Nm, 162.7rpm)
● 300s(10.23Nm, 179.0rpm)
● balance (8.02Nm, 190.0rpm)
HT8108-J9-2E Motor Characteristic Curves @ 48V

━ Rotational speed (rpm)
━ Current (A)
━ Output power (W)
━ Efficiency
HT8108-J9-2E Motor Operating Range Curve @48V

━ Rotational speed (rpm)
● 2s (35.69Nm, 0.0rpm)
● 60s (15.05Nm, 190.6rpm)
● 300s(10.79Nm, 212.2rpm)
● balance (8.02Nm, 190.0rpm)
Motor with GDZ drive

Driver Communication Interface
HT8108-J9-2E Motor (with Driver) Installation Drawing

Motor without driver

Encoder Magnet The two red wires are NTC thermistors (MF52B 10K 2).

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The product has a wide range of applications.
Widely used in legged robots, robotic arms, and SCARA robots.
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| Humanoid robot | Robotic arm | Exoskeleton robots |
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| Quadruped robot | AGV Smart Truck | AGV Smart Truck |






















