tender for manufacture, testing, supply & delivery of 11 kv vcb panels (scada compatible) of assorted types/ratios.; 1 extensible11kv incoming vcb panels (scada compatible), complete in all respects as per item-i, of annexure-a of sec-iii `schedule of requirement’ with primary ct ratio 1800-900a , 1200-600 or 900-450a suitable for 220v/24 v dc supply with interlocking arrangement. 2 extensible 11kv outgoing vcb panels (scada compatible), complete in all respects as per item-ii, of annexure-a of sec-iii `schedule of requirement’with primary ct ratio 400-200a suitable for 220v/24v dc supply with interlocking arrangement. 3 extensible 11kv capacitor control vcb panels (scada compatible), complete in all respects as per item-iii, of annexure-a of sec-iii `schedule of requirement with primary ct ratio 400-200a, 600-300a suitable for 220v/24v dc supply with interlocking arrangement. 4 extensible 11kv bus coupler vcb panels (scada compatible) complete in all respects with primary ct ratio 1200-600a suitable for 220/24 v dc supply. 5 extensible type station transformer vcb panel (100a) (scada compatible) complete in all respects as per item-v,of annexure a of sec.iii `schedule of requirementswith primary ct ratio 100a suitable for 220v/24 v dc supply with interlocking arrangement.