... designed and manufactured in accordance with the latest NEMA standards , suitable for Beam Pumping Units application with special high slip (5 to ... ,advanced construction ,high safety and reliability in service, convenience for application and maintenance and etc.Rating1,kind of motor :Squirrel ... ) ,380V, 50HZ is also available 8,Service Factor:1.15 or 1.0.9,Protection Enclosure :TEFC ,IP55.10,Cooling ...