Rated voltage(kV) Rated mechanical tension load(kN) Structure of coupling marks Structure height(mm) H Min.Electric arc distance(mm) h Min nominal creepage distance(mm) Full wave lightning impulse withstand voltage(peak value)not less than(kV) 1min power frequency wet withstand voltage not less than(kV) 132 120 16 1440 1210 3520 550 230 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 Sampling Test )…