1.Standard of IEC 2.Materials:Glass insulator 3.Main Diameter D:255mm ... disc suspension insulator can be met BS,AS,DIN,ANSI and IEC foreign standard,also customer’s special requirements.4) Type ... 2L,57-3L,57-4L,57-5L,27-11,57-12,57-13,57-14,57-15d. Strain insulators for ANSI ... : cartons,wooden cases or palletsDelivery time:20~30days within deposit of payment Toughened Glass Insulators Of Cap And Pin Type