supply of voltage phase controlvoltage phase control,voltage phase control (mmr-measuring monitoring relay) net 1&2, 3ac, 10oov, aux voltage 11 0v ac/dc as per s.no,14 item code k- 01 and k-02 of annexure-d of bill of material of rdso specification n o. rdso/pe/sp ec/ac/o184-2015 (rev-1) suitable for switch board cabinet of lhb type ac coaches. similar dold cat no-bd9080.12/003, carlo gavazi cat no dpco1dm1kboo1, abb cat no-cm-mpn.72s, phoe nix and l&t-glc cat no- smb11o make- as mentioned in rdso letter no-el/7.1.108/mssbc dtd 17.09.2021). make as per bom [ warranty period: 30 months after the date of delivery ]