Product overview
The Kpower DMC811 is a compact servo component for fixed-wing drones, specialised aircraft, RC model aircraft, medical equipment and industrial automation. Its flat architecture combines an aluminum-alloy housing, brushed DC motor, metal gearing, two ball bearings and potentiometer position sensing. Measuring 30 × 10 × 35mm and weighing 29g (1.02oz), it provides a 10mm-thick package for integration into restricted spaces. The mechanical output uses a 25T spline with a Φ4.9mm diameter, while the machined metal teeth have backlash below 0.5°.
The standard control interface is PWM, with custom signal and protocol options supported; travel is 120°, with customization also supported. At 6V, stall torque is 8kg·cm, no-load speed is 0.13sec/60°, and stall current is 1800mA. These electrical figures distinguish the stall requirement from the separate 6mA static-current figure. Integration must accommodate the 4.8–7.4V voltage range, IP42 protection rating and -10–50°C operating temperature range. A 3μs dead zone, millisecond-level dynamic response and impact-resistant output-shaft ball bearings complete the servo’s control and mechanical features.
Specifications
| Specification | Value & conditions |
|---|---|
| Product | Kpower DMC811 ultra-thin flat metal-gear servo |
| Applications | Medical equipment, specialised aircraft, fixed-wing drones, industrial automation and RC model aircraft |
| Stall torque | 8kg·cmAt 6V. |
| No-load speed | 0.13sec/60°At 6V. |
| Travel angle | 120°Custom travel supported. |
| Voltage range | 4.8–7.4V |
| Dimensions | 30 × 10 × 35mm |
| Weight | 29g (1.02oz) |
| Stall current | 1800mAAt 6V. |
| Case material | Aluminum alloy |
| Gear material | Metal |
| Spline | 25T, Φ4.9mm |
| Motor | Brushed DC |
| Bearings | 2BB |
| Position sensor | Potentiometer |
| Signal and protocol | PWMCustom signal and protocol options supported. |
| Ingress protection | IP42 |
| Operating temperature | -10–50°C |
| Gear backlash | Less than 0.5°, with machined metal teeth |
| Dead zone | 3μs |
| Dynamic response | Millisecond-level |
| Static current | 6mAStatic operation. |
| Output-shaft bearing feature | Impact-resistant output-shaft ball bearings |
| Potentiometer construction | Long-life linear potentiometer |
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