Insulator Dimensions: Height: 30” Bolt-hole: ½”-13 on 3” center voltage: 69KVBIL: 350KV FREE SHIPPING Buy In Bulk & Save Buy 1 - 99 and pay only $196.04 each Buy 100 - 249 and pay only $176.43 each Buy 250 or above and pay only $158.79 each Meister International offers porcelain station post insulators with standard strength ratings, as well as high-strength, and extra high-strength. Many are available from stock to satisfy emergency repair and upgrade requirements that are common in the electric power industry. The tr216 insulator is installed worldwide, with many years of proven reliability, porcelain station post insulators’ low maintenance operation and superior electrical and mechanical characteristics make them ideal insulators for high voltage switch and substation bus-support applications. Station post insulators and substation post insulators are available in various electrical and mechanical ratings to allow engineers to specify the proper insulator for their installation.