... protection 2, fasten leakage protector 3, low speed level 4 motor 4, mixed function Applicable scope: company, factory production lines ... .3,whole series of low speed level 4 motor, configuration significantly boost durability.4, large capacity crankcase add ventilation, effective ... QYJ-1515 Rated Voltage 380V~/50HZ Input Power 4.8KW Output Power 4.0KW Rated Speed 1440rpm Pressure Rated 15MPa Theory ...