bids are invited for 400kv switchyard isolators and associated spares bid boq item 1 - 3150a - terminal stud , bid boq item 2 - 2000a - terminal stud , bid boq item 3 - 3150a - copper contact fingers of male and female contact per pole , bid boq item 4 - 2000a - copper contact fingers of male and female contact per pole , bid boq item 5 - open/close contactor assembly timers key interlock pushbuttonswitch and auxiliary switches , bid boq item 6 - earth switch fixed contact assembly , bid boq item 7 - 3150a -terminal jaws -ii(22.5x5 strip made of 50x5 cu flat drg no.1596-31000007 , bid boq item 8 - 3150a -terminal jaws -i(22.5x5 strip made of 80x5 cu flat drg no. 1596-31000007 , bid boq item 9 - motor with gear box for main switch , bid boq item 10 - motor with gear box for earth switch , bid boq item 11 - locking lever drg no1596-31000007 , bid boq item 12 - springs ss drg no 1596-31000007 total quantity : 39