... domestic/commercial/industrial use.wastewater with discharge from water closets.Sewage from restaurants,hotels,camping sites,etc ... Insulation:Class FProtection:IP68Popular style submersible sewage grinder pump,the pump we deal with electrophoresis and spray painting, ... Frequency:50HZ.60HZThese series pump always connect with the control panel.that current protect,water level protect,thermal protect. ...