procurement of m / s bhel make 6.6 kv vacuum circuit breaker ( type-vm12 ) and their spares for 210mw unit no.5 atps mppgcl chachai, limit switch ( sring charging condition ) , 5 n / o+5 n / c , limit switch test position , 6 no+nc aux switch ( vcb truck -52a / b , 220 v dc vcb closing coil ( complete assembly ) , 220 v dc vcb tripping coil ( complete assembly ) , 6 . 6 kv surge suppresor , spring charging motor , plug , limit switch ( service position ) , aux . switch ( vcb truck ) , 52c / d , selector switch swgr / remote ( 43ss ) , ammeter selector switch ( r / y / b / off ) 4 position 5 terminal , breaker control switch ( trip / neutral / close ) 25a , breaker finger contact set , 2750 amp , breaker finger contact set , 1600 amp , breaker finger contact set , 630 amp , bus bar contact ( 3+3 nos . ) , 2750 amp , bus bar contact ( 3+3 nos . ) , 1600 amp , bus bar contact ( 3+3 nos . ) , 630 amp , bus support insulator , bus bar support insulator , motor cutt-off limit switch assembly , machanical shaft assembly , plug mounting plate / c -clamp , 32-pin plug &socket , flexible connection , set of accessories: spring charging handle and slow closing handle ( 3 set )