Frequency Inverter, AC Drive, Frequency Converter manufacturer / supplier in China, offering 18 Months Warranty Frequency Inverter 0.4kw~1100kw, 220V~480V, 3 Phase 220V General Purpose AC Drive, 50Hz/60Hz, 380V Frequency Converter 0.75kw~600kw (Closed-Loop) VFD Yx9000 and so on.