supply of amp hdb isolator and copper fingers supply of 220kv, 1600 amp hdb isolator moving rod with its assembly material and copper fingers of moving contact of 220kv and 400kv isolators required for maintenance of substation , name of work , supply of 220 kv,1600 amp, isolator moving rod of dimension (76mm (od) x 6.35mm (thickness) x 2750 mm (length)) with 4 no copper finger, fitted at it’s both ends, moving contact guide (alu), center mechanism (turn & twist mechanism, ms hdg) assembly as per drawing.(material code: -4000000969) , copper strip fingers, its supporting mild steel small iron rod with 3 no. holes and 3 no. allen key based stainless steel screw suitable for 220 kv, 1600 amps isolator moving rod as per sample(material code: -4000000955) , copper strip fingers, its supporting mild steel small iron rod with 3 no. holes and 3 no. allen key based stainless steel screw suitable for 400 kv, 3150 amps isolator moving rod as per sample (material code: -4000001028)