Description1-50 HP3600 and 1800 RPM230/460 VoltTotally Enclosed Fan Cooled (TEFC) EnclosureIP55 Protection1.15 SFClass F InsulationC-Face with FeetPremium EfficiencyInverter Duty, 10:1 CT / 20:1 VT (1.0 SF)Spike Resistant Wire, per NEMA MG-1, Part 31Class 1, Division 2, Groups A, B, C, D*Suitable for 50 Hz Operation with 1.0 SF