Rated output power 3kw Class of insulation B Max. output power 3.7kw Body material 20# seamless steel tube Rotor diameter 3m Magnet steel NdFeB38sh Rated speed 120r/ min Stator QZY-2/ 180/ 470 Rated wind speed 12( m/ s) Corrosion prevention Galvanization, paint Start wind speed 3( m/ s) Blade 5 FRP blades Working wind speed 3-25( m/ s) Over speed protection Automatic yaw, electromagnetic protection Survive wind speed 50( m/ s) Suggest battery 12v150ah* 10pcs Ideal wind speed 4-14( m/ s) Service life 15years Output voltage AV120v/ 240v Cable tower height 10m Control system Controller, inverter Wind Turbine Weight 190kg