... /Three phase /380V 2.IGBT module 3.CE certificate frequency inverter:*5.5-18.5KW /Three phase /380V*7C ... , the functional scope of :0.4-400 KW output frequency :0.5-400 Hz 2, using the latest 32 ... , one year warranty and lifetime maintenance.*7C-3000 series frequency inverter applied at the metallurgy, plastomer,textile, food-stuff ... As AC asynchronous motors driving and speed control. Frequency inverter