KST A20-3813 Digital Servo Drive with Metal Gearbox

KST A20-3813 digital servo with a metal gearbox delivers high performance and powerful capabilities, making it well-suited for various large-scale models. Its main feature is its extremely high torque, reaching 30 kg·cm at 6.0V, 38 kg·cm at 7.4V, and 43 kg·cm at 8.4V. At the same time, it delivers excellent operating speed, which is 0.12 sec/60° at maximum voltage. The high-quality all-aluminum housing ensures excellent heat dissipation, which helps maintain stable performance under various conditions and also makes installation much easier.

• High-performance and powerful, ideal for large-scale models
• Huge torque ranging from 30 kg·cm to 43 kg·cm at 6.0V–8.4V
• Excellent operating speed of up to 0.12 sec/60° at maximum voltage
• All-aluminum housing ensures stable operation and convenient installation

• Rated voltage: DC 7.4V
• Voltage range: DC 6.0V–8.4V
• Torque:
• 30 kg·cm at 6.0V
• 38 kg·cm at 7.4V
• 43 kg·cm at 8.4V
• Operating speed (at 25°C):
• 0.18 sec/60° at 6.0V
• 0.13 sec/60° at 7.4V
• 0.12 sec/60° at 8.4V
• Operating frequency: 1520 μs/333 Hz
• Rotation angle: ±50° (100° total)
• Housing material: aluminum alloy
• Gear material: hardened steel
• Bearing: 2BB
• Motor type: brushless
• Position sensor: potentiometer
• Connection cable: 22AWG
• Operating temperature: -10°C to +65°C
• Dimensions: 40.5 x 20 x 38 mm ±0.2 mm
• Weight: 72 g ±10%

• 1 x KST A20-3813 digital servo with metal gearbox
• 1 x accessory kit