Feature:1. Stable and High Efficiency: Using NdFeB permanent magnets and premium pure copper windings, the generator can generate high efficiency and stable power.2. Aluminum Alloy Shell: The three phase AC permanent magnet generator adopts aluminum alloy shell with corrosion proof treatment, acid, alkali and salt resistance, has a longer service life.3. Good Heat Dissipation: This permanent magnet generator has a specially designed rotor, which has a small resistance torsion when starting, and has a good cooling effect.4. Gearless: Gearless permanent magnet electric motor generator, low rotating speed, and can be driven directly, energy saving, safe and reliable.5. Easy Operation: The low speed rare earth permanent magnet generator is very simple to operate, and the three phase AC permanent magnet generator is safe, easy to maintain.Specification:Item Type: Three Phase AlternatorMaterial: Aluminum AlloyGross Weight: 3950g / 139.3ozRated Power: 200WProduct Size: Approx.15 x 13.5 x 16.5cm / 5.9 x 5.3 x 6.5inRated Speed: 750 RPMStarting Torsion: < 0.1 NmMagnetic Poles Number: level 12Conversion Efficiency: ≥85%Working Temperature Rise: ≤70℃Generator Type: Rare earth permanent magnet 3 phase alternatorMain Shaft Material: carbon steelMagnetic Steel Material: rare earth Ndfeb materialLubrication Mode: add lubricating greaseInsulation Class: H class.Package List:1 x 3 Phase AC Permanent Magnet Generator