Technical Data Rated voltage(KV) Rated mechanical tension load(KN) Structure height(mm) H Min nominal creepage distance(mm) 1min power frequency wet withstand voltage (kv) Full wave lightning impulse withstand voltage(peak value) 33 70 550 920 70 170 36 70 670 1015 95 230 Materials of Product 1).Silicon Rubber for sheds/housing. 2).Glass-fiber reinforced epoxy resin rod (ECR type) for core. 3).Hot dip galvanized cast steel for metal fittings. 4).1000hours aging test & Prototype Test & Type Test & Factory Test ( Routine and Sam…