172?150?50 Min Specification Model Bearing Sleeve Ball Voltage(V) Power(W) Frequency(Hz) Current(A) Rotation Speed(r/min) Air Current(m3/min) Noise(dB) Insulation Resistance(Ω) Resist Strength(V/min) Weight(kg) 172?150?50 S 110 36 50 0.50 2700 5.8 58 AC500V-100M 1500 0.90 172?150?50 S 220 36 50 0.25 2700 5.8 58 AC500V-100M 1500 0.90 172?150?50 B 110 36 50 0.50 2700 5.8 60 AC500V-100M 1500 0.90 172?150?50 B 220 36 50 0.25 2700 5.8 60 AC500V-100M 1500 0.90