45 kn disc ôb&sö type 2.Works Village balol, mehsana-balol Highway, dist. Mehsana (north Gujarat). 3.Types of insulatorsôtype-bö 4.Standard specification to which material Shall conform.Is:731, 3188/1980 and 2486 5.Dimensions of insulators: A) out side diameter 255 mm B) vertical distance between Centers145 mm C) toleranceas per is 3188 6.Creepage distance(mm) 290 mm 7.Weight of each disc4.5 kg (approx) 8. Electro mechanical strength(kn)45 kn 9.Dry power frequency withstand voltage at 50 c/s 70 kv 10.Wet power frequency withstand voltage at 50 c/s40 kv 11.Dry impulse with stand voltage of single unit A)positive wave 1.2/5075 kv B)negative wave 1.2/50 75kv 12.Dry power frequency flashover voltage of single unit at 50 c/s70 kv 13.Wet power frequency flashover voltage of single unit at 50 c/s40 kv 14.Dry impulse flashover voltage A) positive wave 1.2/50120 kv B) negative wave 1.2/50 125 kv 15.Puncture voltage 110 kv 16.Minimum visible discharge voltage9 kv 17.Packing details A) net weight per insulator4.5 kg (approx) B) no. Of insulators per Package4 nos. C) type of packingwooden crates D) gross weight of each Package22.00 kgs (approx) 18.Tolerance in dimensions, if any as per is:731 & 3188 19.Marketing of insulatorsbalaji India Month/year 20.Any other informationnil