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Technical Specifications
Last Updated: 2026-07-10
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Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 902-0205-000 |
| Category | Robotics |
| Performance | |
| Torque |
24.0V166.21 oz-in11.97 kg-cm1.2 N-mBelow Average |
| Speed |
24.0V0.09 sec/60°666.7 deg/s111.1 RPMBelow Average |
| Running Current |
24.0V11.900 A11,900 mABelow Average |
| Stall Current | 11900–20800 A11900000–20800000 mAAverage |
| Rated Output Power | 210.0 W |
| Radial Load | 1,240.0 N |
| Physical | |
| Weight | 34.57 oz980.0 gBelow Average |
| Shape | Cylindrical |
| Dimensions |
L 3.59 in W — H — L 91.2 mm W — H — ∅ 2.76 in70.0 mm |
| Case Material | Metal |
| Drivetrain | |
| Motor Type | Brushless |
| Motor Drive | (add) |
| Gears | Metal |
| Gear Ratio | 51:1 |
| Gear Spline/Teeth | (add) |
| Shaft Size | 14.0 mm |
| Rotation Mode | (add) |
| Rotation/Support | Single Bearing |
| Backlash | 3.000° |
| Control & Signal | |
| Modulation | Digital |
| Direction | Bidirectional |
| Rotational Range | 360° |
| Mechanical Limit | 360° |
| Pulse Cycle | (add) |
| Pulse Width | (add) |
| Neutral Position | 524288 µs |
| Dead Band | (add) |
| Refresh Rate | (add) |
| Angle Sensor | Contactless Absolute Encoder |
| Control System | RS485-FOC |
| Programmable | Yes |
| Resolution | 26,738,700 pulse/rev |
| MCU | ARM CORTEX-M4 |
| Operating Modes | Position, Velocity, Current |
| Signal Voltage | 5V |
| Electrical & Environment | |
| Operating Voltage | 24–24 V |
| Power Source | External |
| Regulator Type | (add) |
| Temperature | -5–55 °C23–131 °F |
| Water Rating | IP54 |
| Certification | (add) |
| Idle Current | 40.000 A40,000 mA |
| Connectivity | |
| Connector | JST-Molex |
| Wire Length | 600 mm23.62 in |
| Baud Rate | 9.6 Kbps–10.5 Mbps |
| Origin | |
| Country of Origin | (add) |
Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.
Class Comparison
| Torque | Below Average Stronger than 16% of the 52 Custom servos at 24.0V |
| Speed | Below Average Faster than 26% of the 62 Custom servos at 24.0V |
| Weight | Below Average Lighter than 18% of the 29 Digital Custom servos |
| Running Current | Below Average Lower draw than 20% of the 50 Custom servos at 24.0V |
| Stall Current | Average Lower draw than 36% of the 26 Digital Custom servos |
Performance Analysis
| Shaft Power | 3.41 W |
| Torque Density | 0.1696 oz-in/g Stronger than 36% of the 23 Dynamixel servos in the database |
| Speed-to-Weight | 0.01134 (1/sec·g) Faster than 48% of the 24 Dynamixel servos in the database |
| Speed-Torque Trade-off | 14.96 Better balanced than 50% of the 23 Dynamixel servos in the database |
| Current-per-Torque Ratio | 125.1430 A/oz-in More efficient than 32% of the 23 Dynamixel servos in the database |
| Idle-to-Running Current Ratio | 3.361 5th-highest idle-to-running current ratio of 22 Dynamixel servos |
| No-Load vs Stall Current Spread | 1,747.90 Narrower current spread than 55% of the 23 Dynamixel servos in the database |
| Voltage Range Width | 0.0 V Wider voltage range than 21% of the 29 Digital Custom servos in the database |
| Backlash-to-Range Ratio | 0.00833 Tighter backlash than 89% of the 45 Dynamixel servos in the database |
Notes
The YM070-210-A051-RH is a high-performance smart actuator featuring a frameless BLDC motor and a cycloidal reducer. It provides precise position feedback with a multi-turn absolute encoder and supports RS-485 communication.
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