FEATURES •Meets or exceeds NEMA Premium® efficiencies •Inverter duty 10:1 variable torque and Constant torque, as noted •1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power •Motor will accept a C-face kit •Class F insulation •Rated 60/50 hertz, 190/380 or 380 volt at next lower horsepower