Parameters/models:YDC04 Tolerance ValueRated voltage(V:220/230/240/100/110/120Rated frequency(Hz) 50/60 ��br />Rated input power(w): 1300 1400 ±10% Max vacuum degree(KPa): 24 24.5 -5% Max air flow(m3/min): ��.1 3.2 -8% Temperature rise(K): <85 <85 / Noise(dB): 98 100 / Spark:��class of insulation: B B / Max suction efficiency(%): 35 -10%