supply of measuring and monitoring relay for 3phasemeasuring and monitoring relay for 3phase,measuring and monitoring relay for 3 phase monitoring voltage 750 v ac +/-15%, 50hz, oper ational power 25 va @ 750 v ac, confirming to rcf spec. no. edts 073-am-5 (or) latest, suitable for lhb n on-ac coach switch board cabinet (k03/04) make: carlo gavazzi, part no.dpco1d750/ abb, part no.cm-mp n-72/dold, part no. bd9080 brands: abb, carlo gavazi, siemens, schnieder, dold. note: 1) the firm s hould submit authorized dealership certificate or proof of purchase from oem dealer and necessary test certificates along with materials for acceptance. 2) the firm should mention the make & model no. while pa rticipating in the tender. [ warranty period: 30 months after the date of delivery ] ]