tender for 3 phase measuring and monitoring relay rated voltage 750 volts ac +/-15,50 hz 25 va @ 750v ac as per rcf spec - edts 073 rev d. make: m/s dold cat no-bd9080 or equivalentof m/s carlo gavazi or m/s abb. (to be supplied with oem,s proof of purchase along with test certificate.)as per drg.no. rcf spec - edts 073 rev d. specn: rcf spec - edts 073 rev d.