tender for measuring and monitoring (voltage phase control)relay for 3 phase,monitoring voltage 750 v ac +- 15 percentage operational voltage 25va @ 750 v ac,as per s.no. 24 item no. k- 01of bill of material of rdsospecification no. rdso/pe/spec/ac/0184 - 2015 (rev.0) suitable for lhb type ac coaches.make-asmentioned in rdso specification.
