FA-DH13-24V Brushless Coreless Motor
High efficiency Compact brushless coreless motor FA-DH13-24V (4W , 24V , diameter: 13mm, length: 40mm) designed for precision dental drive systems, especially endodontic and lightweight handheld devices.
Can be configured with encoder for closed-loop control if required.

Mechanical Dimensions

Dimensions are in mm. Please refer to the datasheet for tolerances and mounting details.
Performance Parameters
| Motor specifications | 01A | 03A | 04A | 02A | |
|---|---|---|---|---|---|
| Nominal voltage | V | 6 | 6 | 12 | 24 |
| No load speed | rpm | 12500 | 10000 | 15000 | 24500 |
| No load current | mA | 140 | 100 | 110 | 110 |
| Nominal speed | rpm | 10800 | 8700 | 13000 | 21000 |
| Nominal torque | mNm | 2.48 | 2.39 | 2.74 | 4.75 |
| Nominal current | A | 0.65 | 0.5 | 0.45 | 0.6 |
| Stall torque | mNm | 19.1 | 18.4 | 21.1 | 36.6 |
| Stall current | A | 4.17 | 3.21 | 2.76 | 3.91 |
| Terminal resistance | Ω | 1.44 | 1.87 | 4.35 | 6.14 |
| Torque constant | mNm/A | 4.49 | 5.61 | 7.48 | 9.16 |
| Speed constant | rpm/V | 2083 | 1666 | 1250 | 1020 |
| Mechanical time constant | ms | 1.66 | 1.38 | 1.8 | 1.7 |
| Rotor inertia | gcm² | 0.25 | 0.25 | 0.25 | 0.25 |
Optical Gearbox
| Optional gearbox | |
|---|---|
| G13MF | |
| G13XL |
Optional encoder
| N/O | |
|---|---|
Other Specifications
| Other specifications | |||
|---|---|---|---|
| Operating temperature range | -20…+80℃ | Bearing type | Ball bearings |
| Number of pole pairs | 1 | Weight of motor | 25.2g |
| Number of phases | 3 |
Engineering Overview
This motor is optimized for compact dental drive systems where space, precision and smooth operation are critical.
The coreless structure ensures stable low-speed performance, which is essential for endodontic applications.
Compared with traditional brushed motors, it offers longer service life, lower maintenance and more consistent control perfromance.
Its small diameter allows flexible integration into lightweight handheld devices without compromising torque output.
Typical Applications
- endodontic motor systems
- lightweight dental handheld devices
- precision low-speed control applications.
