How to read an electrical motor nameplate

These are the main data included in an electrical motor name plate.

1.Manufacture’s type and frame designation 2.Horsepower output or kw output 3. Maximum ambient temperature for which motor is designed 4.Insulation class 5.Voltage 6.Frequency 7.RPM at rated load 8.Phase 9.Current 10.Code letter for locked rotor kva 11.Design letter for medium motors 12.Service factor if other than 1.0 13.Nominal efficiency 14.Connection details