pin suspension porcelain insulator 52-1/52-2/52-3/52-4/52-5 Features 1)Cap and pin type ... for high voltag pin suspension porcelain insulator 52-1/52-2/52-3/52-4/52-5Features1)Cap and pin type suspension ... no.:52-1, 52-2, 52-3, 52-4, 52-5, 52-6, 52-8, 52-95)Creepage distance:117.8, 171, 209.5 ... cap and pin type suspension porcelain insulator 52-1/52-2/52-3/52-4/52-5