1.Brand name:CHINSC 2.0.4kw variable frequency drive 3.Three phase 380v 4.Output Frequency: 0. ... 1-600hz 5.Short delivery ac variable frequency drive for 3 phase water pump and blower with best quality and price ... one frequency inverter drives multiple motors, such as fan, water pump, engraving machine, injection molding machine etc. (2) Open-loop vector ...