Tender For supply of amalgamated pre-coolingtransformer cum rectifier unit (battery charger) 200a, 130v, dc for sg ac coaches with stainless steel enclosure for charging vrla batteries confirming to rcf sp ec. no. edts.041 (rev.b) with icf amendment no.1, 2 & 3 and amended as per dy.cee/ds note no. m d/dss/spec/211 dt.11.09.2001. however, the firms may quote for latest specn./drawing with amendm ent if any issued by rdso/icf/rcf. [ warranty period: 30 months after the date of delivery ]