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Technical Specifications
Last Updated: 2026-10-24
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | NSD-400S |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
400.00 oz-in
28.80 kg-cm
2.8 N-m
7.4V
345.00 oz-in
24.84 kg-cm
2.4 N-m
6.0V
290.00 oz-in
20.88 kg-cm
2.0 N-m
5.0V
230.00 oz-in
16.56 kg-cm
1.6 N-m
Above Average
|
| Speed |
8.4V
0.05 sec/60°
1,200.0 deg/s
200.0 RPM
7.4V
0.06 sec/60°
1,000.0 deg/s
166.7 RPM
6.0V
0.07 sec/60°
857.1 deg/s
142.9 RPM
5.0V
0.08 sec/60°
750.0 deg/s
125.0 RPM
Above Average
|
| Stall Current | 3.1–4.6 A3100–4600 mABelow Average |
| Physical | |
| Weight | 2.26 oz64.0 gBelow Average |
| Dimensions |
L 1.575 in W 0.787 in H 1.063 in L 40.0 mm W 20.0 mm H 27.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Stainless Steel |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Neutral Position | 1500 µs |
| Dead Band | 2 µs |
| Angle Sensor | Magnetic Encoder |
| Electrical & Environment | |
| Operating Voltage | 5–8.4 V |
| Regulator Type | BEC |
| Temperature | -10–50 °C14–122 °F |
| Water Rating | IP67 |
| Connectivity | |
| Wire Length | 320 mm12.6 in |
| Origin | |
| Country of Origin | USA |
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 | Above Average Stronger than 77% of 186 Digital Low Profile servos at 5.0V |
| Speed | Above Average Faster than 70% of 183 Digital Low Profile servos at 5.0V |
| Weight | Below Average Lighter than 14% of 304 Digital Low Profile servos |
| Stall Current | Below Average Lower draw than 23% of 81 Digital Low Profile servos |
Performance Analysis
| Shaft Power | 5.32–14.79 W |
| Power Density | 11.222 W/in³ More power-dense than 96% of 273 Digital Low Profile servos |
| Torque Density | 3.5938 oz-in/g Stronger than 73% of 185 Digital Low Profile servos |
| Torque-to-Volume Ratio | 174.49 oz-in/in³ Denser torque than 80% of 186 Digital Low Profile servos |
| Speed-to-Weight | 0.19531 (1/sec·g) Faster than 49% of 182 Digital Low Profile servos |
| Speed-Torque Trade-off | 18.40 Better balanced than 66% of 183 Digital Low Profile servos |
| Current-per-Torque Ratio | 0.0200 A/oz-in More efficient than 53% of 58 Digital Low Profile servos |
| Torque Gain per Volt | 21.74%/V More voltage-responsive (torque) than 90% of 164 Digital Low Profile servos |
| Speed Gain per Volt | 17.65%/V More voltage-responsive (speed) than 73% of 163 Digital Low Profile servos |
| Voltage Range Width | 3.4 V Wider voltage range than 62% of 276 Digital Low Profile servos |
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