procurement of various spares of c and s electric make 800a , 1250a , 1600a , 3200a , and 4000a acbs installed in lt switchgear of unit no . 10 and 11 for emd-4 , stps , sarni . , arcing contacts ( set of 1 no . fixed 1 no . moving ) , arcing contacts for 800a acb ref no . cs-arccont-08d , arcing contacts for 1250a acb ref no . cs-arccont-12d , arcing contacts for 1600a acb ref no . cs-arccont-16d , arcing contacts for 2000a acbref no . cs-arccont-20d , arcing contacts for 3200a acb ref no . cs-arccont-30d , arcing contacts for 4000a acb ref no . cs-arccont-40d , auxiliary switch 36 way ( set of three contact block on acb side & six block on cradle side ) , auxiliary switch 36 way for 800a acbref no . cs-aih-3-116 , auxiliary switch 36 way for 1250a acbref no . cs-aih-3-116 , auxiliary switch 36 way for 1600a acbref no . cs-aih-3-116 , auxiliary switch 36 way for 2000a acbref no . cs-aih-3-220 , auxiliary switch 36 way for 3200a acbref no . cs-aih-3-220 , auxiliary switch 36 way for 4000a acbref no . cs-aih-3-320 , position indication switch , position indication switch for 800a acbref no . alb-4p-1 , position indication switch for 1250a acbref no . alb-4p-1 , position indication switch for 1600a acbref no . alb-4p-1 , position indication switch for 2000a/ 2500a acb ref no . alb-4p-2 , position indication switch for 3200a acbref no . alb-4p-2 , position indication switch for 4000a acbref no . alb-4p-2