Green energy---50kw wind turbine Model number: fd18-50kw Rotor diameter: 18m Number of blades: 3pcs Material of blade: frp Rated rotation speed (r/m): 80 Type of the generator: permanent-mangnet 3 phrase ac Rated power: 50kw Max power : 55kw Output voltage: 380v Cut-in wind velocity: 3.5(m/s) Rated wind velocity: 13(m/s) Working wind velocity: 3.5-25(m/s) Survival wind velocity: 50(m/s) Tower height: 18m Main body weight (exclude tower): 1000kg Tower type: 400s. Tube Output controlling system: electrified controller inverter Life span : 15years Warranty: 1year Can load Light, fan, charger, tv, pump, washer, refrigerator, electric cooker, air conditioner, village power supply Authentication: ce and iso certificate Net weightú¦4674.00kg Gross weightú¦4870.00kg Volume : 10.265stere packing numberú¦ 8pieces packing : veneer box