We red S type vertical shaft maglev wind-driven generator with 400 w and 600 w two specifications, parameters are as follows: 

 

statt-up wind speed    (1m/s)

rated sind speed       (12m/s)

cut-in wind speed      (2-2.5m/s)

voltage rating         12v/24v (DC)

rated power            (600W)

ultimate output        (650W)

blade height           (140 cm)

fan blade amount       (2 pcs)

safe wind speed        (40m/s)

weight of complete machine (30kg)

working temperature     -40.c to 50.c

maxin wind speed less   45m/s

maximum momentary wind speed less 60m/s

suggested mounting height : 6m-12m