... Series 3 0. 28~36KV porcelain housed zinc oxide surge arrester without gap.Our products all meet ... ISO9001 and KEMA Series 1 Polymer Housed Metal-Oxide Surge Arrester without gap,Voltage class 6-36kV, ... 2 Polymer Housed with Different diameter sheds Metal-Oxide Surge Arresterwithout gap,Voltage class 6.3kV-36kV ... 3 0. 28~36KV porcelain housed zinc oxide surge arrester without gap,all ratings are available ...