FEATURES: • Class F Insulation, Class B Rise At Full Load On 60 Hertz Sine Wave Power • Shaft Slinger On Pulley End • Full 50 & 60 Hertz Operating Data On Nameplate (03) • Full HP @ 50 Hertz • 40°C Ambient, NEMA®† Design B Performance On 60 Hertz Sine Wave Power • Sealed Bearings (140 Frame); Double Shielded Bearings (180 Frame and Up) • Dual Voltage Ratings Suitable For Part Winding Start (PWS) On Low Voltage • Suitable For Wye-Delta Start 250 Frame & Larger • Conversion Kits: C&D Flanges, Drip Cover and Brakes • 208v will not be marked on DOE regulated spread-voltage motors .