Technology Characteristics: Frame Size (mm) 71-355 Output Power (kW) 0.55-400 Rated Voltage (V) 400 Frequency (Hz) 225, 180, 150, 90, 75 Speed (r/m) 4500, 3600, 3000, 1800, 1500 Number of Poles 6 Mounting B3, B35, B5, V1, B14, B34 Protection Class IP55 or above Insulation Class F or above Temperature Rise B Duty S1 Cooling Method IC411/IC416