procurement of various spares of c and s make air breakers installed at ash handling plant and new ash dyke areas of u 3 and 4 of sgtps birsinghpur , spares for acb type-aha08ncs edo 3p , main isolating contact ( jaw contact ) , arcing contacts , main fixed contacts ( upper terminal ) , lower terminal with fitting terminals , cradle terminal for draw-out , draw out handle , frp laminated safety shutter for 3 pole , for 6d-16d / 06n-16 , single pole complete 08n-10n , pole separator ( 6d-16d ) , 800a tp edo acb with microprocessor release 3 . 1 release with position indication switch , phase ct 800a , n ct for e / f protection , complete cradle , position indication switch left , lower mechanism ( 6d-16d ) , mht 6d-16d / 06 / -20s , 3p , charging motor 240v ac , micro switch for motor cut off , manual charging handle 6d-16d / 06n-20s , auxiliary isolating contact assembly for 6d-16d / 06n-20s 3p , auxiliary switch for 6d-16d / 06n-20s , shunt trip 6d-16d / 06n-20s ( tripping coil 240v ac ) , closing coil 6d-16d / 06n-20s , 240v ac , uvt for ah 8d 415 vac suitable for 800-1600a acb , door mould base ( cradle side ) for 6d-16d / 06n-20s ( aha ) , draw out gear assembly , charging hook for 630--1600a for d & fixed b type acb , charging hook pin for 630-1600a for d & fixed b type acb , charging hook spring for 630-1600a for d & fixed b type acb , charging latch for 630-1600a for d & fixed b type acb , charging latch spring for 630-1600a for d & fixed b type acb , dowell pin of d / o gear of 800-1600a acb , hardware 1 kg for 3p edo upto 16d , closing coil limit switch , closing latch 6-16d , microprocessor release