... :1) Porcelain or glass insulators for low & medium or high voltage2) Voltage: 0.4KV~132KV3) The disc suspension insulator can ... ,56-2,56-3,56-4,56-5Pin Type Insulator for low & medium voltage lines (ANSI): 55-1,55-2,55- ... 3,55-4,55-5Pin type insulator (AS): PW1-15- ... A,PW1-22-A,PW1-33-AHigh voltage pin type insulator (BS):PW-11-Y,PW-22-Y,PW ...