Rated output power 5kw Class of insulation B Max. output power 7.5kw Body material 20# seamless steel tube Rotor diameter 5m Magnet steel NdFeB38sh Max. start torque ï ¼ œ 4.5n/ m Stator QZY-2/ 180/ 470 Rated speed 200r/ min Corrosion prevention Galvanization, paint Rated wind speed 10( m/ s) Blade 3 FRP blades Start wind speed 3( m/ s) Over speed protection Automatic yaw, electromagnetic protection Working wind speed 3-25( m/ s) Suggest battery 12v200ah* 16pcs Survive wind speed 50( m/ s) Service life 15years Ideal wind speed 4-15( m/ s) Cable tower height 9m Output voltage 192v/ 240v Weight 180kg