Stage: One stage Voltage: 100-240V Frequency: 50/60Hz Input Power: 180-500W Insulation Class: A, B. E and F Max Vacuum: 13.0kPa Max Air Flow: 1.7m3/min Max Efficieny: 35% Mainly application: Civil vacuum cleaners, bubble bath Pumps, stage smog maker and other civil products. Motor spec can made according to customers special requirements.