supply of 9 kva 750v /415v / 190vac, 3-phase, star9 kva 750v /415v / 190vac, 3-phase, star,9 kva 750v /415v / 190vac, 3-phase, star-star-star, dry type, air cooled power distributio n transformer for lhb type coaches confirming to rdso specification no. rdso/pe/spec/0158-2010 (rev- 1) [item reserve for rdso approved source only. sub item id-2400034002] make: ramyaa or vimal or patro nics or its equivalent note: firm should supply proof of purchase from oem or authorized dealers only. firm should supply test certificate & guaranty certificate along with supply of item [ warranty period: 30 mont hs after the date of delivery ] ]