Robot joint motor
Integrated planetary module
| Motor Model:HT3505-J8 Rated torque:0.78N.m Communication Type:RS485&CAN Motor dimensions:Ø43mm*30mm |
Servo motor | ||
Factory Direct Sales | Quality Guaranteed | Reduction ratio1:8 |
Details/Model | Unit | HT3505-J8 |
Driver Model | / | GDZ34 |
Winding Type | △/Y | Y |
Rated voltage | V | 24 |
Voltage Range | V | 12~40 |
Rated Power | W | 36 |
Rated torque | N.M | 0.78 |
Peak torque | N.M | 1.95 |
Rated Speed after reduce | RPM | 245 |
Max Speed after reduce | RPM | 421 |
Rated current | A | 1.5 |
Peak current | A | 4.04 |
Interphase resistance | Ω | 5.5 |
Interphase inductance | uH | 476.64 |
Speed constant | rpm/v | 17.50 |
Torque constant | N.M/A | 0.41 |
Number of pole pairs | Pairs | 11 |
Gear Rate | / | 8:1 |
Gear type | / | Planetary |
Reducer gear material | / | ALU |
Reducer gear backlash | arcmin | 15 |
Motor weight without driver | g | 84 |
Motor weight with driver | g | 97 |
Size without Driver | mm | Ø43*23.6 |
Size with Driver | mm | Ø43*30 |
Max.Axial load | N | 75 |
Max.Radial load | N | 300 |
Noise | dB | <60 |
Communication | / | CAN & RS485 |
the second encoder on the output shaft | / | NO |
Protection grade | / | IP54 |
Working temperature | ℃ | -20 ~ +80 |
Resolution of the encoder on the driver | Bit | 14 |
Can support separate encoder or not | / | YES |
Can support custom brakes | / | YES |
HT3505-J8 Motor Installation Drawing

(with GDZ driver)
HT3508-J8 Motor Characteristic Curves @ 24V

HT3505-J8 Motor Operating Range Curve @ 24V







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 | ARU Robot |

















