FA-4214 Outer Rotor BLDC Motor
FA-4214 is a large heavy-load outer rotor brushless DC motor, equipped with two standard KV versions (380KV / 660KV) matching 8S / 6S lithium battery respectively. It adopts mature 12N14 multi-pole winding structure and C-grade 220℃ high-temperature resistant enameled wire, featuring high torque, high power output and stable continuous heavy-load operation.
• Model Versions: 4214-380KV, 4214-660KV
• Overall Dimension: Φ42 * 14mm
• Pole Configuration: 12N14P
• Wire Spec: 18AWG, C-grade 220℃ insulation
• Output Shaft: D6 + M6 thread, 25mm shaft length
• Standard Wire Length: 500mm
Mechanical Dimensions
Dimensions are in mm. Please refer to the datasheet for tolerances and mounting details.
Performance Parameters
| Model | 4214-380KV | 4214-660KV |
|---|---|---|
| Kilovolt | 380KV | 660KV |
| Nominal voltage | 8S | 6S |
| No load current | 1.9A | 4.3A |
| Nominal output power | 300W | 601W |
| Maximum current | 56A/27s | 105A/31s |
| Maximum power | 1806W/27s | 2508W/31s |
| Motor size | Φ50 *35.8mm | Φ50 *35.8mm |
| Number of poles | 12N14P | 12N14P |
| Wire size | 14AWG | 14AWG |
| Wire length | 500mm | 500mm |
| Insulation grade of enameled wire | 耐 220℃高温 C 级 | 耐 220℃高温 C 级 |
| Terminal resistance | 54mΩ | 25mΩ |
| Output shaft length | 25mm | 25mm |
| Output shaft diameter | D6+M6 | D6+M6 |
| Base screw thread | Φ30mm-4*M4 | Φ30mm-4*M4 |
Engineering Overview
Core Advantages
- Large Φ42 outer rotor high-inertia structure outputs high torque and high rated power for heavy payload;
- Two KV winding variants match 6S/8S different lithium battery voltage systems;
- 12N14P multi-pole stator delivers low vibration, smooth rotation and high energy efficiency;
- C-grade 220℃ high-temperature enameled wire prevents burnout under long-time high-power work;
- Thickened M6 threaded shaft and reinforced 4×M4 mounting base improve load-bearing capacity;
- 500mm extended outgoing wire fits large industrial equipment internal wiring layout.
Typical Applications
• Heavy-lift industrial multi-rotor UAV & long-endurance aerial survey drone power systems
• High-power industrial handheld polishing, grinding and heavy-duty power tools
• Large portable high-torque rotary automation heavy-load actuators
• Industrial large blowers, agricultural fans and heavy rotary drive modules