• XRI® GENERAL PURPOSE MOTORS THREE PHASE, TOTALLY ENCLOSED MOTORS • APPLICATIONS: General purpose use on compressors, pumps, conveyors, blowers, and other machinery in dirty and dusty environments. Substantial energy savings can be realized when using these high efficiency motors. Guaranteed efficiencies offer an eXtra return on your Investment when using these premium efficiency motors on high cycle or long run time applications. • FEATURES: • Meets or exceeds NEMA Premium® efficiencies • Suitable for use on a VFD. 10:1 variable torque and constant torque, as noted • 1.15 service factor on sinewave (except as noted), 1.0 service factor on IGBT power • Bearing Current Protection (BCP), as noted • Frame constructions are heavy gauge steel, cast iron or aluminum, as noted • Class F Insulation (except as noted) • Ball bearings (except as noted) • 60/50 hertz at next lower horsepower, as noted • Motors accept C-Face kits, as noted • Design B, except as noted • Two year warranty on non bold catalog numbers • Three year warranty on bold blue catalog numbers • UL recognized, CSA certified, and CE mark • Model 056T17F15666