Wind power is a green source of sustainable energy, three-phase AC permanent magnet generator is suitable for wind generator DIY. It's made of high quality material and ofefficient and stable power generation, can be widely used in many applications.Features:Adopts rare earth NdFeB permanent magnet, high-quality pure copper wire winding, efficient and stable power generation, more energy-saving.Low speed design, direct-drive permanent magnet generator, easy and safe to operate, convenient to maintain.Resistant to high and low temperature, -40~80 working temperature allows more applications.Die-casting aluminium alloy shell with anti-corrosion treatment is acid and alkali-resistant. Sturdy and durable for long-term use.Compact size, concise appearance. Easy to install, suitable for windgenerator DIY and can be used for home or industry use.Note: Permanent magnet generator only, base is not included.Specifications:Rated Power & Voltage: 300W 12V/ 300W 24V/ 400W 12V/ 400W 24V/ 500W 12V/ 500W 24V/ 500W 48V (Optional)Rated RPM: 750rpm (300W, 400W); 950rpm (500W)Rated Frequency: 50HzShell Material: Die-casting Aluminium AlloyPermanent Magnet Material: Rare Earth NdFeBLubrication Method: Add Lubricating GreaseWorking Temperature: -40~80Item Size: 153 * 120mm / 6.02 * 4.72inPackage Size: 21 * 21 * 21cm / 8.27 * 8.27 * 8.27inPackage Weight: 5000g / 11.02lbsPackage List:1 * Permanent Magnet Generator