... : D=150mm, H=325mm leakage distance: 590mm PS-20 line post Insulator for high voltagematerial: porcelainmain dimension: D=150mm, H=325mmleakage distance ... and ANSI standards and sell well in the whole country, Europe, the USA, Southeast Asia, the Middle East and South America ... key High Voltage electrical porcelain producers in Fujian Province. line post Insulator