... ,SCM control 3.designed for use with three phase induction motors JJR2 Digital intelligent soft starterapply to AC 50HZ,380V,660V ... Applicable motor : squirrel-cage type three-phase asynchronous motor,motor rated power should match with the soft starter.3) Starting ... : Natural air-cooled5) Various protection function : over current,three phase current not balance,over hot,lack phase,motor overload ...