Feature: 1. Adopt NdFeB material known as the king of magnets, high‑grade pure copper wire winding, which bring high efficiency and stable power 2. Low starting resistance torsion and good heat dissipation, special stator and rotor designs 3. Easy and safe to operate, convenient to maintain, gearless, direct drive, low‑speed rare earth permanent magnet generator 4. Anti‑corrosion treatment, resistance to acid, alkali and salt corrosion die‑cast aluminum alloy shell 5. Sprayed treatment on surface with advanced technology, energy saving and high efficiency, safe and reliable with bright color Specification: Item Type: Permanent Magnet Generator Model: AVAN-400w Rated Power: 400w Rated Speed: 550r/m Permanent Magnet Generator: Three-phase AC permanent magnet generator Insulation Class: F Protection Level: IP55 Service Life: > 20 Years Surface Treatment: Sprayed Permanent Magnet Material: Rare earth NdFeB Generator Height: Approx. 80mm / 3.1in, 130mm / 5.1in Diameter of Generator: Approx. 150mm / 5.9in. Package List: 1 x Permanent Magnet Generator Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.