
Overview
The Kpower DMC811 is a slim, aluminum-case servo motor for RC airplanes, fixed-wing drones and other compact motion-control tasks. Its 30 × 10 × 35 mm body weighs 29 g and combines metal gears with a DC brushed motor. Torque is 6.6 kg·cm at 4.8 V or 8.2 kg·cm at 6.0 V, with corresponding speeds of 0.15 and 0.12 s/60° for voltage-dependent selection.
Features
- Slim aluminum-alloy housing with a 10 mm body width.
- Metal gear train driven by a DC brushed motor.
- Splined output shaft with a 25T, Ø5 mm horn interface.
- Three mounting tabs with holes for mechanical installation.
- Potentiometer position sensing and two ball bearings (2BB).
- 120° travel angle, with customization stated for the travel range.
Specifications
Voltage-Dependent Performance
| Parameter | At 4.8 V | At 6.0 V |
|---|---|---|
| Torque | 6.6 kg·cm | 8.2 kg·cm |
| Speed | 0.15 s/60° | 0.12 s/60° |
General Specifications
| Parameter | Value |
|---|---|
| Brand / model | Kpower DMC811 |
| Stall torque | 8.2 kg; torque unit incomplete |
| Rated torque | 2.1 kg; torque unit incomplete |
| No-load speed | 0.12 s |
| Weight | 29 g |
| Dimensions | 30 × 10 × 35 mm |
| Travel angle range | 120° (customizable) |
| Operating voltage | 4.8–8.4 V |
| Horn gear spline | 25T, Ø5 mm |
| Gear material | Metal |
| Motor | DC brushed |
| Protocol | PWM | TTL | RS-485 |
| No-load current | 1600 mA |
| Position sensor | Potentiometer |
| Case material | Aluminum alloy |
| Ball bearings | 2BB |
| Working frequency | 50–333 Hz |
| Operating temperature | −10 to 50 °C |
| IP rating | IP42 |
Applications
- RC airplanes, fixed-wing drones and specialized aircraft: compact linkage actuation where the 10 mm-wide body helps accommodate a narrow installation space.
- RC cars: mechanical linkage movement using a splined output shaft and mounting tabs.
- Educational robot kits: controlled joint or linkage movement using potentiometer position sensing and a metal gear train.
- Consumer electronics: compact mechanism actuation where a 29 g servo helps limit assembly weight.
- Medical equipment and devices: compact mechanism movement using the slim housing and mounting tabs.
Documents
- Kpower DMC811 Drawing — Drawing (PDF)
- OCservo OCS D9501 Drawing — Ocservo Ocs D 9501 Drawing (PDF)
- OCServo OCS D9501 Manuel — Ocservo Ocs D 9501 Manuel (PDF)
- Kpower Servo 3 — Manual (PDF)
- OCServo OCS 351CAN Drawing — Ocservo Ocs 351 Can Drawing (PDF)
Product Videos
Visual Details
Product Video
Application Examples


Features and Design


Specifications and Performance


Additional Product Details


Setup and Use



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