... labor cost 3. Pass CE Wind Turbine Generator The on-grid system contains AH-5kW wind turbine, SMA protection box WBP 600V ... certificate. Among mature products, AH-500W, AH-1kW, AH-1.5kW and AH-2kW use yawing patented technology and AH-3kW ... , AH-5kW and AH-10kW adopt the international most advanced mechanical pitch controlled patented technology. 5kW Wind Turbine Generator for home use ...