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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 902-0120-000 |
| Category | Robotics |
| Performance | |
| Torque |
14.8V
594.72 oz-in
42.82 kg-cm
4.2 N-m
12.0V
481.44 oz-in
34.67 kg-cm
3.4 N-m
11.1V
438.96 oz-in
31.61 kg-cm
3.1 N-m
|
| Speed |
14.8V
0.27 sec/60°
222.2 deg/s
37.0 RPM
12.0V
0.33 sec/60°
180.2 deg/s
30.0 RPM
11.1V
0.37 sec/60°
162.2 deg/s
27.0 RPM
|
| Running Current |
14.8V
1.500 A
1,500 mA
12.0V
1.300 A
1,300 mA
11.1V
1.200 A
1,200 mA
|
| Stall Current | 1.2–1300 A1200–1300000 mABottom 10% |
| Radial Load | 40.0 N |
| Physical | |
| Weight | 2.89 oz82.0 gAverage |
| Shape | Boxed |
| Dimensions |
L 1.831 in W 1.122 in H 1.339 in L 46.5 mm W 28.5 mm H 34.0 mm |
| Case Material | Metal / Plastic |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Gear Ratio | 353.5:1 |
| Shaft Size | 6.0 mm |
| Rotation Mode | Continuous |
| Rotation/Support | Dual Bearings |
| Backlash | 15.000° |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 360° |
| Mechanical Limit | 360° |
| Angle Sensor | Contactless Absolute Encoder |
| Control System | RS-485 / PWM |
| Programmable | Yes |
| Resolution | 4,096 pulse/rev |
| MCU | ARM CORTEX-M3 |
| Operating Modes | Current, Velocity, Position, Extended Position, Current-based Position, PWM |
| Electrical & Environment | |
| Operating Voltage | 10–14.8 V |
| Temperature | -5–80 °C23–176 °F |
| Idle Current | 0.040 A40 mA |
| Connectivity | |
| Connector | JST |
| Wire Length | 180 mm7.09 in |
| Baud Rate | 9.6 Kbps–4.5 Mbps |
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
| Weight | Average Lighter than 47% of 144 Digital Large servos |
| Stall Current | Bottom 10% Lower draw than 7% of 97 Digital Large servos |
Performance Analysis
| Shaft Power | 2.19–4.07 W |
| Power Density | 1.481 W/in³ More power-dense than 54% of 109 Digital Large servos |
| Torque Density | 5.3532 oz-in/g |
| Torque-to-Volume Ratio | 159.57 oz-in/in³ |
| Speed-to-Weight | 0.03296 (1/sec·g) |
| Speed-Torque Trade-off | 162.38 |
| Current-per-Torque Ratio | 2.9616 A/oz-in |
| Idle-to-Running Current Ratio | 0.033 |
| No-Load vs Stall Current Spread | 1,083.33 |
| Voltage Range Width | 4.8 V Wider voltage range than 68% of 131 Digital Large servos |
| Backlash-to-Range Ratio | 0.04167 Tighter backlash than 35% of 21 Digital Large servos |
Notes
High-durability serial actuator featuring all-metal gears, aluminum housing, and a contactless absolute encoder. Supports multiple control modes including current, velocity, and position via RS-485 communication.
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