... as overload, over voltage, over current, phase lacking, overheat ,liquid level ,over pressure, power failure, oil lacking ,incorrect operation and so ... Total Power :20KW Inlet /outlet Diameter(D):32mm Accuracy :≤ 5μm Filter media :transformer oil Vacuum degree:-0.06~-0 ... content (PPM) %≤0.2According to DL 423 method4Cleanliness (NAS level)≤5According to SD313 MethodOrder information:Item Art. No. VOF ...