... 3/52-4/52-5 Features 1)Cap and pin type suspension insulator for high voltag pin suspension porcelain ... 3/52-4/52-5Features1)Cap and pin type suspension insulator for high voltage2)Material: Porcelain & Steel3) ... ANSI standard4)Item no.:52-1, 52-2, 52-3, 52-4, 52-5, 52-6, 52-8 ... , 52-95)Creepage distance:117.8, 171, 209.5, 292, 279. ...