Porcelain Long Rod Insulator   Porcelain long rod insulators are used in power transmission lines and are available up to 400kN mechanical tensile load. LAPP is able to design the complete insulator string including hardware accessories. Creepage up to 50mm/kV, voltage class from 1-110kV (>170kV in strings) and maximum length of 2000mm are possible.   … Continue reading Long Rod Insulators