procurement of mandatory spares of float cum boost charger panel mtw 4381 installed at chp i sgtps mppgcl birsinghpur , 3 pole mcb for ac input with auxiliary switch, rating-25 amp. , ac mains ‘on’ indicating lamp led cluster type (red) 230 vac , ac mains ‘on’ indicating lamp led cluster type (yellow) 230 vac , ac mains ‘on’ indicating lamp led cluster type (blue) 230 vac , semi conductor hrc fuse for the rectifier bridge. gsb 25/et25 , scr- scr capsule 25a/1600v piv , diode -diode capsule 47a/1600v piv , bleeder resistance (2 in series) 250 ohm/100w , shunt to for charger controller sh=30a/75mv , filter choke 20a , filter condenser 2200mfd/350 vdc , 3 phase scr controller for constant voltage/constant current 220vdc , high voltage & phase fail/phase reversal circuit with transformer456v/18-0-18 v20va , high voltage & phase fail/phase reversal circuit , 2 pole, 2 way no. off auto/manual mode selector switch. 6a , potentiometer 10k/3w , dc output ‘on’ indicating led cluster type lamp.220v dc red , clc card 230vac