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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 | SM120BL |
| Category | Hobby |
| Performance | |
| Torque |
24.0V1,666.80 oz-in120.02 kg-cm11.8 N-m |
| Speed |
24.0V
0.20 sec/60°
300.0 deg/s
50.0 RPM
24.0V
0.20 sec/60°
300.0 deg/s
50.0 RPM
|
| Running Current | (add) |
| Stall Current | ≤4 A≤4000 mA |
| Physical | |
| Weight | 17.11 oz485.0 g |
| Dimensions |
L 3.07 in W 1.69 in H 2.58 in L 78.0 mm W 43.0 mm H 65.5 mm |
| Case Material | (add) |
| Drivetrain | |
| Motor Type | Brushless |
| Motor Drive | (add) |
| Gears | Steel |
| Gear Spline/Teeth | (add) |
| Shaft Size | (add) |
| Rotation Mode | (add) |
| Rotation/Support | Dual Bearings |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Digital |
| Direction | (add) |
| Rotational Range | 360° |
| Mechanical Limit | (add) |
| Pulse Cycle | (add) |
| Pulse Width | (add) |
| Neutral Position | (add) |
| Dead Band | (add) |
| Refresh Rate | (add) |
| Angle Sensor | (add) |
| Control System | RS485 |
| Programmable | (add) |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | 24–24 V |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | (add) |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | 200.000 A200,000 mA |
| Connectivity | |
| Connector | (add) |
| Wire Length | 300 mm11.81 in |
| Origin | |
| Country of Origin | China |
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.
Performance Analysis
| Shaft Power | 15.41 W |
| Torque Density | 3.4367 oz-in/g Stronger than 56% of the 79 Digital Giant servos in the database |
| Torque-to-Volume Ratio | 124.33 oz-in/in³ Denser torque than 62% of the 88 Digital Giant servos in the database |
| Power Density | 1.149 W/in³ More power-dense than 48% of the 108 Digital Giant servos in the database |
| Speed-to-Weight | 0.01031 (1/sec·g) Faster than 21% of the 77 Digital Giant servos in the database |
| Speed-Torque Trade-off | 333.36 Better balanced than 84% of the 82 Digital Giant servos in the database |
| Current-per-Torque Ratio | 0.0024 A/oz-in More efficient than 80% of the 42 Digital Giant servos in the database |
| Voltage Range Width | 0.0 V Wider voltage range than 6% of the 155 Digital Giant servos in the database |
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