Product description Wind turbine / wind power generator 1. Dual, automatic emergency braking system. 2. Unique anti-vibration design. 3. Waterproofing. 4. Unique anti-vibration design. 5. Efficient aero-dynamic design, compared with the vertical shaft, power utilization rate is greatly improved. 6. High strength, corrosion resisting aluminium alloy. 7. Unique permanent magnetic material generator, small size, light weight, power output is very high. 8. Low noise level. Model Nl-3kl-w Rated powe,3kw Rated voltage(dcv) 240v Rated voltage(dca) 17v Wind wheel diameter 4m Blade material Gfrp strengthening Blade numbe,3 Started wind speed 3.0m/s Rated wind speed 10 m/s Safety wind speed 40m/s Upwind method Upwind Rated rotating speed(rpm) 300 Tower height 9m Generato,Asynchronous Braking system Electronic magnet+manual Protection grade Ip55 Noise level ¡Ü55db Insulation class F Operation mode Automatic or manual Suggested battery capacity 12v 200ah 10pcs Efficiency 0.85