1.Standard of IEC 2.Materials:Glass insulator 3.Main Diameter D:255mm ... -20/J,p-20-DType insulators for high voltage (AS): LP,LV,SLP11/180,ALP11/275,ALP22/450,ALP22/480,ALP22 ... : cartons,wooden cases or palletsDelivery time:20~30days within deposit of payment Toughened Glass Insulators Of Cap And Pin Type