supply of dc motor test benchdc motor test bench,dc motor test bench(rectifier cum tm testing panel), capacity: 500 amp/100kva ac input,3 -phase 4- wire 50 hz,415 volt plus/minus 10% dc output 0-200-350 volt @ 500 amp max. main transforme r with copper winding, servo motor control, class of insulation f, oil cooled, rectifier 3-phase full wave natur al air, isolation/protection mccb & contactors on ac input side semiconductor fuse for rectifier stack output, over voltage tripping, meters both input & output (digital panel) enclosure-ms confirming to lp-21, power p ainting, indicators & alarms, make ;e-genius/power system/manjeet/kamal or similar. [ note :- (i)installation , commissioning and training to be done by the firm and no extra payment will be paid by railway for this w ork. (ii) g.a. drg is to be approved by rly authority.] [ warranty period: 30 months after the date of deliv ery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]