supply of measuring and monitoring relaymeasuring and monitoring relay,measuring and monitoring relay (lt-mmr) for voltage phase control 400/480 v ac +/- 1 5%, 50-60 hz, control voltage 300-500 v ac, with neutral for switch board cabinet of lhb type ac coa ches. make/catalogue no. cm-mps.41s of abb or dpc01dm48. 400/480 of carlo gavazzi or 7ug081 8-1ca20 of siemens or rm22tr33 of schneider or bd 9080.12 of dold or mr-es-3 v 400(1217805) of phoenix or mg53bh of l&t gic as mentioned in sl.no. 35 of common bom of rdso letter no. el/7. 1.108/mssbc dt. 17.09.2021. offers from oem or their authorized dealers only accepted. [ warranty period: 30 months after the date of delivery ] ]