
Overview
The Kpower RC30P is a coreless digital servo for RC cars, desktop robotics and controlled positioning tasks. It combines an aluminum-alloy case, metal gears and magnetic-encoder feedback in a 40 × 20 × 37.8 mm body weighing 60 g. Stall torque is 32 kg·cm at 7.4 V, while no-load speed is 0.15 s/60° at 6.0 V, providing useful reference points for load and motion requirements.
Features
- Coreless motor with digital servo control.
- Aluminum-alloy case and metal gear train.
- Magnetic encoder for position sensing.
- 25T, Ø6 mm horn spline and two ball bearings.
- 120° travel angle, with customization stated for the travel range.
- PWM, TTL and RS-485 protocols listed.
Specifications
| Parameter | RC30P specification |
|---|---|
| Model | RC30P |
| Servo type | Digital servo |
| Stall torque | 32 kg·cm at 7.4 V |
| Rated torque | 8 kg* |
| No-load speed | 0.15 s/60° at 6.0 V |
| Weight | 60 g |
| Dimensions | 40 × 20 × 37.8 mm |
| Travel angle range | 120°; customizable |
| Operating voltage | 4.8–8.4 V |
| Horn gear spline | 25T, Ø6 mm |
| Gear material | Metal |
| Motor | Coreless |
| Protocol | PWM / TTL / RS-485 |
| No-load current | 4000 mA |
| Position sensor | Magnetic encoder |
| Case material | Aluminum alloy |
| Ball bearings | 2BB |
| Working frequency | 50–333 Hz |
| Operating temperature | −10 to 50 °C |
| IP rating | IP42 |
*The rated-torque unit is incomplete; 8 kg must not be interpreted as 8 kg·cm without confirmation. Stall torque is not a continuous operating rating.
Applications
- 1/8- and 1/10-scale RC cars: steering and linkage actuation using the metal gear train and 25T, Ø6 mm horn interface.
- Desktop robots, desktop robot arms and educational robots: compact joint and linkage positioning with digital control and magnetic-encoder feedback.
- Bio robots and service robots: articulated mechanism positioning using the 120° travel range.
- Industrial automation: positioning small mechanisms where the specified size, voltage range and motion characteristics suit the design.
- Table-tennis serving machines: adjustment of mechanical aiming or feed linkages within the servo’s travel and load limits.
- Fixed-wing drones: control-surface linkage actuation where the servo’s dimensions, travel and electrical requirements fit the installation.
- Medical-device mechanisms: mechanical positioning tasks using the compact servo format.
Downloads
- Kpower RC30P Drawing — Drawing (PDF)
- Kpower Servo 3 — Manual (PDF)
- OCServo OCS 351CAN Drawing — Ocservo Ocs 351 Can Drawing (PDF)
Visual Details
Features and Design



Specifications and Performance



Options and Model Comparison

Setup and Use



Interfaces and Connections

Application Examples

Additional Product Details




