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A20-4515 Brushless HV Phosphor Bronze & Hardened Steel Gear Servo 50Kgf.cm 0.13sec/60degree
BR0023.0141
$97.99
KST A20-4515 V8 Brushless HV Servo
The KST A20-4515 V8 Brushless HV Servo is designed for large-scale RC surface models that demand exceptional torque, speed, and reliable performance.
Delivering up to 50Kgf.cm of torque, this high-performance servo provides the power needed for demanding applications while maintaining precise and responsive control.
Its full aluminum housing offers excellent mounting stability and efficient heat dissipation, making the A20-4515 V8 a reliable choice for large-scale aircraft, vehicles, and other high-performance RC models.

Features
- Brushless DC Motor
- Phosphor Bronze & Hardened Steel Gears
- Extreme Torque and Excellent Speed
- CNC Aluminium Case
Specification
| Parameter | Value |
| Item | A20-4515 Brushless HV Servo |
| Rated Voltage | DC7.4V |
| Voltage Range | DC6.0V–8.4V |
| Torque | 36Kgf.cm@6.0V / 45Kgf.cm@7.4V / 50Kgf.cm@8.4V |
| Speed | 0.19sec/60°@6.0V / 0.15sec/60°@7.4V / 0.13sec/60°@8.4V |
| Operating Temperature | -20℃ ~ +65℃ |
| Case Material | Aluminum Alloy |
| Motor Type | Brushless DC Motor |
| Gear Set Material | Phosphor Bronze & Hardened Steel |
| Connecting Cable | Shielded 22AWG |
| Case Dimensions | 40.5mm × 20mm × 42mm |
| Weight | 80g |
Package Including
- 1 * A20-4515 Servo
- 1 * Pack of Accessories