Detailed Product Description AC axial fan,Exhaust fan:Professional: Here you will find the information on our ... PWM, tech output. Over-load and Locked-rotor protection. Air Coditioning Fan This series fan is widely used in central air conditioning units ... ranges from 580to 22000CMH.Compressor Fan -Impeller diameter: 400mm,450mm,500mm,560mm,630mm,710mm,800mm.-Matching motor power:< 4kw -Voltage: 220V ...