FA-4218 Outer Rotor BLDC Motor
FA-4218 heavy-duty outer rotor brushless DC motor delivers up to 7.5kg powerful lifting thrust, equipped with two standard KV variants (350KV / 560KV) for 8S / 6S lithium battery respectively. Adopt 14AWG high-temperature enameled wire and 12N14P multi-pole structure, featuring large torque, stable continuous output and outstanding heat resistance.
• Model Versions: 4218-350KV, 4218-560KV
• Max Lifting Force: 7.5Kg
• Overall Dimension: Φ42 * 18mm
• Pole Configuration: 12N14P
• Wire Spec: 14AWG, 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 | 4218-350KV | 4218-560KV |
|---|---|---|
| Kilovolt | 350KV | 560KV |
| Nominal voltage | 8S | 6S |
| No load current | 1.8A | 3.3A |
| Nominal output power | 560W | 624W |
| Maximum current | 66A/33s | 95A/42s |
| Maximum power | 1806W/27s | 2508W/31s |
| Motor size | Φ50 *39.8mm | Φ50 *39.8mm |
| 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 | 46mΩ | 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
- Φ42 large outer rotor high-inertia design generates 7.5kg strong lifting thrust for heavy payload tasks;
- Two KV winding options match 6S/8S different lithium battery voltage systems;
- 14AWG thick high-temperature wire reduces heating under long-time high-power operation;
- 12N14P multi-pole stator realizes low vibration, smooth rotation and high energy efficiency;
- Thickened M6 threaded shaft and 4-point M4 reinforced base improve overall structural rigidity;
- 500mm extended outgoing wire adapts to internal wiring layout of large industrial devices.
Typical Applications
• Heavy-lift industrial multi-rotor UAV & aerial survey long-endurance 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