bids are invited for 1 rectifier, manually dimmerstst controlled, input voltage: 230+ / -10vac, output voltage: 0-30v dc, input amp- 5-10a, output amp- 0-50a, ph-1, cooling-an , ltd. / rege associ50hz, capacity2.25kva, type -bc-30-50-1dtr, makepowertronics / automatic elct. 2 microprocessor based automatic battery charger; single phase 30v / 40a suitable to charge jumbo truck battery 330 ah 30 volts , fitted with d.c.charging cable 3 bosch make industrial / professional wet / dry extractor. model- gas 15l professional. makebosch. supply voltage- 230vac, 50hz max. air flow - 62l/sec. max. vacuum presuure - 215 mbar. vacuum cleaner complete with all accessories. 4 led tube rod 4 foot,t8, 230 v ac, 50 hz,20w+/-2, base cap g13 bi pin, minimum 1600 lumens, cool white temperature range: 5500- 6500k,cri- min 70, lm80 certified, make: crompton/bajaj/ equivalent make 5 led tube fitting 4ft along with led tube lamp 18w 1600 lumens.fully wired with suitable connector as per technical specification attached total quantity : 223