100 hp, TEFC Enclosure, No Thermal Protection, 1,185 RPM, 575 Volt, 60 Hz, Three Phase Energy Efficient Motor US Motors 100 hp, TEFC Enclosure, No Thermal Protection, 1,185 RPM, 575 Volt, 60 Hz, Three Phase Energy Efficient Motor - Size 444 Frame, Rigid Mount, 1 Speed, Ball Bearings, 100 Full Load Amps, F Class Insulation, Reversible