Product features:

1. Coreless, unique precise coil, thin magnetic gap
2. Very low starting torque, applied to generate electricity with breeze
3. Higher power density
4. High efficiency
5. Excellent volume/performance ratio, light weight
6. No cogging
7. No torque ripple
8. Direct transmission
9. Good heat dissipation, low temperature rise

Product Specifications:

1. Rated Voltage: 39V
2. Gen. Output Voltage: AC(3 Phase)
3. Rotor: Permanet magnet type(outer rotor)
4. Stator: Coreless type
5. Rated Speed: 700rpm
6. Rated Output Power: 300W
7. Max. Output Power: 360W
8. Speed Constant: 69V/krpm
9. Resistance(Line-Line): 0.85Ω
10. Maximum Winding Temperature: 150 degrees centigrade
11. Generator Efficiency: 82%
12. Start Torque: Very low(Just due to bearing loss )
13. Number of Phase: 3
14. Number of Pole: 12
15. Winding Type: Wye
16. Magnet Material: NdFeB
17. Gen. Weight: 4.78kg
18. Gen. Diameter: 124mm
19. Gen. Length: 107(include shaft length 182)mm
20. Shaft Diameter: 25mm
21. Shaft Material: Steel
22. Bearing: Ball Bearing

Applications: Used for small wind power generator, Hydro Power, etc.