It's functions: overload,short-circuit,overflow,phase-off,water leak protection ... high quality ,which is provided with full PC intelligent automatic control without manual operation, optimal fittings and a noticeable energy-saving effect ... stop of various motors Technicalrameters:control motor power :0.18-250kw.control voltage:380vnumber of control motor:1-7setspressure control precision :1-5sets TPK ...