FA-3110 Outer Rotor BLDC Motor
FA-3110 is a high-power outer rotor outrunner brushless DC motor with larger Φ37.2×27mm housing for stronger thrust output. Two standard KV versions are available to match different power supply demands. It adopts 12N14P multi-pole winding and C-grade 220℃ high-temperature resistant enameled wire, delivering stable high-power output with excellent heat resistance for heavy load continuous work.
• Model Versions: Two optional KV speed variants
• Overall Dimension: Φ37.2 * 27mm
• Pole Configuration: 12N14P
• Wire Spec: 18AWG, C-grade 220℃ insulation
• Output Shaft: D5 + M5 thread, 16mm shaft length
Mechanical Dimensions
Dimensions are in mm. Please refer to the datasheet for tolerances and mounting details.
Performance Parameters
| Model | 3110-900KV | 3110-1150KV |
|---|---|---|
| Kilovolt | 900KV | 1150KV |
| Nominal voltage | 4-6S | 4-6S |
| No load current | 2.2A/24V | 2.8A/24V |
| Nominal output power | 250W | 270W |
| Maximum current | 63A/10s | 69A/6s |
| Maximum power | 1500W/10s | 1656W/6s |
| Motor size | Φ37.2 *27mm | Φ37.2 *27mm |
| Number of poles | 12N14P | 12N14P |
| Wire size | 18AWG | 18AWG |
| Wire length | 250mm | 250mm |
| Insulation grade of enameled wire | 耐 220℃高温 C 级 | 耐 220℃高温 C 级 |
| Terminal resistance | 59mΩ | 45mΩ |
| Output shaft length | 16mm | 16mm |
| Output shaft diameter | D5+M5 | D5+M5 |
| Base screw thread | Φ19mm-4*M3 | Φ19mm-4*M3 |
Engineering Overview
Core Advantages
- Larger Φ37.2 outer rotor structure provides higher thrust and power output than smaller series models;
- Two KV winding options to adapt to different lithium battery voltage and speed requirements;
- 12N14P multi-pole winding realizes smooth low-vibration rotation and stable torque output;
- C-grade 220℃ high-temperature resistant enameled wire avoids burnout under long-time high-load operation;
- M5 threaded output shaft and universal 4×M3 mounting holes support fast assembly for various devices;
- Super high peak power capacity meets short-time heavy load demand of UAV and high-power hand tools.
Typical Applications
• Heavy-lift multi-rotor UAV & unmanned aerial propulsion systems
• High-power handheld polishing, grinding and engraving power tools
• Large portable high-thrust rotary automation actuators
• Industrial high-flow fans, blowers and heavy-duty rotary drive modules