... 4.High cost-effectiv Product name: Ac drive, frequency inverter, Inverter, frequency converter, VFD, variable frequency drive, VSD, variable speed ... drive, AC motor drive, energy saver, speedchanger, variator, speed controllerGoods description: Applied ... widely applied to all kinds of spinning devices; Power range: 0.2kw~1.5kw 220V; 0.75kw ...