Material: porcelain This disc suspension insulator is used for all circuit and power ... standard: IEC, ANSI, BS, DIN ETC A disc suspension insulator is an assembly of one or more shells ... operation, it is always connected to insulator string.A suspension insulator set complete with the fittings is used to ... carry a line conductor or conductors at its lower end. Standard: IEC, ANSI, BS, AS, DIN, ...