Check the listing for details. 3KW 48V Coreless Maglev Permanent Magnet Generator DIY Vertical Wind Turbine. Color: White, Condition: New. Listed at 1299.00 USD. 3KW Vertical Wind Turbine 48V 300rpm PMG Coreless Maglev DIY Generator Feture： Our disc coreless PMG have advantage in low Rated speed, Low starting wind speed, Small volume, Energy Small, Light weight, Compact structure,High efficiency etc. 1) Coreless, anhysteresis, slotless, have low starting torque. 2) No iron loss, have high efficiency 3) Adopt unique coreless precision winding technology design precision coil 4) Adopt the rare earth permanent magnet, which is multipole, high power density and high output power. 5) Low speed direct driving, no torque fluctuations 6) Compact structure, high ratio of power to volume 7) No iron loss, low calorific value,small temperature rise 8) Simple structure, easy to install 9) The brushless structure, free maintenance Specifications Rated power:3000W Rated speed:300rpm Rated voltage:48V Rated current:40A/30A/20A/10A Efficiency:>85% Resistance (Line-Line):