• XRI® GENERAL PURPOSE MOTORS • THREE PHASE, TOTALLY ENCLOSED MOTORS • FEATURES: • Meets or exceeds all NEMA Premium® efficiencies • Ball bearings, mechanically locked on shaft end • 1.15 Service factor (except as noted) • Class F insulation (except as noted) • Rated 60/50 hertz, 190/380 or 380 volt, at next lower horsepower, as noted • Rolled steel 56-145T frame motors accept brake kits, see accessories section, as noted • UL recognized, CSA certified and CE mark • Two year warranty on non bold blue catalog numbers • Three year warranty on bold blue catalog numbers • ADDITIONAL FEATURES FOR “FOUR-IN-ONE” MOTORS ONLY: • CR200 corona resistant magnet wire • Bolt-on, removable rigid base • Suitable for horizontal and vertical mounting • Will accept drip cover kits, see accessories section • Model 056T17F5337