supply of 3 phase measuring and monitoring relay rated voltage 750 volts ac %b1 15%, 50hz, 25 v a @ 750 v ac as per rcf3 phase measuring and monitoring relay rated voltage 750 volts ac %b1 15%, 50hz, 25 v a @ 750 v ac as per rcf,3 phase measuring and monitoring relay rated voltage 750 volts ac %b1 15%, 50 hz, 25 v a @ 750 v ac as per rcf spec - edts 073 amendment 5. make: m/s dold cat no-bd9080 or equiv alent of m/s carlo gavazi or m/s abb. (to be supplied with oem,s proof of purchase along with test certifi cate.) spec. edts/073 rev and spec. no rdso/pe/spec/ac/0184 -2015 (rev. 0). [ warranty period: 30 m onths after the date of delivery ] ]