Soft Starter, Frequency Inverter, Frequency Converter manufacturer / supplier in China, offering Multifunctional and Versatile 55kw 75kw 90kw 115kw Inverter VFD 60Hz/50Hz, Made in China AC Drive Inverter Motor Starter 18.5kw 37kw 220V 380V 440V Suitable for Water Pump, Top Factory Soft Start Built-in Bypass15kw/0.75HP~150HP, 220V/380V for Water Pump and so on.