Product details Name:FS Series ModelFS FS SERIES MODEL FS-2000W FS-3000W FS-5000W Rated Power2000W3000W5000W Maximum Power2200W3200W5100W Blade Length2m3.5m4m Rated Voltage24V-96V48V-220V48V-220V Start-up Wind Speed1.3m/s1.3m/s1.3m/s Rated Wind Speed11m/s11m/s11m/s Rotor Diameter of Blades2m3.5m4m Blades ColorsWhite/Green/Orange/Black Safe Wind Speed (m/s)≤40m/s Blades Quantity2 Blade MaterialAluminium Alloy GeneratorMaglev Generator Control SystemElectromagnet Mount Height (m)7m-12m (9m) Generator Protection GradeIP54 Work Temperature-25°C-45°C Altitude≤4500m Overspeed ProtectionElectromagnetic Brake Overload ProtectionElectromagnetic Brake & the Unloading Unit LubricationLubrication Grease Design Life20 Years