supply of general purpose relay to bhel cat / drg no.15780030004v02 or to inder drg. no.915780030004v02 or similar and exactly suitable in fitment and application ( operating voltage-110v dc ) for demu / dpc.general purpose relay to bhel cat / drg no.15780030004v02 or to inder drg. no.915780030004v02 or similar and exactly suitable in fitment and application ( operating voltage-110v dc ) for demu / dpc., general purpose relay to bhel cat / drg no.15780030004v02 or to inder drg. no.915780030004v02 or similar and exactly suitable in fitment and application ( operati ng voltage-110v dc ) for demu / dpc. note: manufacturers should indicate their identification mark, mo nth and year of manufacture at a suitable location by using a suitable method without affecting the performance o f the product. [ warranty period: 30 months after the date of delivery ] => limited