Technical Characteristics: Frame Size (mm) 80-355 Nominal Power (kW) 0.37-315 Rated Voltage (V) 400V Full Load Current (A) 1.35-555 Frequency (Hz) 50 Speed (r/m) 1500, 1000, 750 Number of Poles 4, 6, 8 Mounting B3, B35, B5, V1 Protection Class IP55 or above Insulation Class F or above Temperature Rise B Duty S1 Cooling Method IC411/IC416