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Specifications Model 4
 
Model name
Model 4
Rated power
400W
Rotor diameter
1330mm
Number of blades
3
Start up wind speed
2.5 m/s
Cut in wind speed
3.0 m/s
Survival wind speed
50 m/s
Maximum power
500W
Rated power speed
800 rpm
Rated output voltage
DC 12V / 24V / 48V
Net weight
7.5 kg
Wind turbine type
Horizontal axis, up-wind
Blade material
20% - 30% carbon fibre 
reinforced plastic
Body material
High pressure aluminum die cast
Working temperature
 -40°C to 60°C
Generator
Synchronous type 3-Phase power
Neodymium magnets
Double copper wiring
Braking system
Electro-magnetic and blade over speed, Aerodynamic braking
Yaw control
360° free yaw
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