lightning arrester surge arrester arrester Features 1)Porcelain lightning arrester 2)Material:Porcelain 3)Y5W,Y5C,Y10W,Y10C lightning arrester surge arrester arrester Features1)Porcelain lightning arrester2)Material:Porcelain3)Y5W,Y5C,Y10W,Y10C type4)Rated voltage:3,6,9,12,15,21,24,27,30,33,36,42KV lightning arrester surge arrester arrester