Description 5 Horsepower 3 Phase TEFC / IP55 Fully Enclosed 184T Frame Service Factor 1.0/1.25 Class F Insulation 104 lbs 230/460 Volt 1800 RPM (Full Load Speed 1755) Fan Cooled Class F Insulation Worldwide Electric Brand Shaft Length: Approximately 2 7/8" Keyed 1 1/8" Diameter Shaft Current: AC Full Load Amps: 12.6 / 6.3 (Usable on 208V at 13.9) 60 HZ (Suitable for 50 HZ with 1.0 SF) Rotation: Bi-Directional Shaft Material: 1045 Carbon Steel Nema Design B Max Temp: 40 Degrees C .