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Technical Specifications
Last Updated: 2026-10-08
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KST-2400 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
249.84 oz-in
17.99 kg-cm
1.8 N-m
7.4V
208.20 oz-in
14.99 kg-cm
1.5 N-m
6.0V
166.56 oz-in
11.99 kg-cm
1.2 N-m
4.8V
138.80 oz-in
9.99 kg-cm
1.0 N-m
Average
|
| Speed |
8.4V
0.08 sec/60°
750.0 deg/s
125.0 RPM
7.4V
0.09 sec/60°
666.7 deg/s
111.1 RPM
6.0V
0.10 sec/60°
600.0 deg/s
100.0 RPM
4.8V
0.12 sec/60°
500.0 deg/s
83.3 RPM
Below Average
|
| Stall Current | 2.6–4.05 A2600–4050 mABelow Average |
| Physical | |
| Weight | 1.52 oz43.0 gAbove Average |
| Dimensions |
L 1.591 in W 0.787 in H 1.083 in L 40.4 mm W 20.0 mm H 27.5 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 100° |
| Pulse Cycle | 3.003 ms |
| Pulse Width | 1000-2000 µs |
| Neutral Position | 1520 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Power Source | DC |
| Temperature | -10–65 °C14–149 °F |
| Water Rating | IP65 |
| Connectivity | |
| Connector | JR (Universal) estimate |
| 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.
Class Comparison
| Torque | Average Stronger than 43% of 136 Digital Low Profile servos at 4.8V |
| Speed | Below Average Faster than 19% of 135 Digital Low Profile servos at 4.8V |
| Weight | Above Average Lighter than 84% of 251 Digital Low Profile servos |
| Stall Current | Below Average Lower draw than 29% of 64 Digital Low Profile servos |
Performance Analysis
| Shaft Power | 2.14–5.77 W |
| Power Density | 4.258 W/in³ More power-dense than 58% of 215 Digital Low Profile servos |
| Torque Density | 3.2279 oz-in/g Stronger than 67% of 136 Digital Low Profile servos |
| Torque-to-Volume Ratio | 102.36 oz-in/in³ Denser torque than 45% of 136 Digital Low Profile servos |
| Speed-to-Weight | 0.19380 (1/sec·g) Faster than 39% of 135 Digital Low Profile servos |
| Speed-Torque Trade-off | 16.66 Better balanced than 64% of 134 Digital Low Profile servos |
| Current-per-Torque Ratio | 0.0292 A/oz-in More efficient than 31% of 40 Digital Low Profile servos |
| Torque Gain per Volt | 22.22%/V More voltage-responsive (torque) than 87% of 115 Digital Low Profile servos |
| Speed Gain per Volt | 13.89%/V More voltage-responsive (speed) than 50% of 117 Digital Low Profile servos |
| Voltage Range Width | 3.6 V Wider voltage range than 84% of 223 Digital Low Profile servos |
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