... arresters belong to Series 2 of surge arrester. Products with silicon rubber housing,voltage ... metal oxide surge arrester: 1.Series 1-Polymer Housed Metal-Oxide Surge Arrester without gap,Voltage ... 0. 28~36KV porcelain housed zinc oxide surge arrester without gap,allratings are available 5kA and 10kA. ... 4. Series 4-Station Class Surge Arrester, 54~258kV,all ratings are available 5kAand 10kA ...