Supply, Transportation And Erection Of 22 Nos. 220v Dc Contactors For Replacement Of 110v Dc Contactor In Existing Erected Mom Box Of 230 Kv Ab Switches & Allied Works For Establishment Of Mambakkam 230/110kv Ss And 10 Nos. 220v Dc Contactors For Replacement Of 110v Dc Contactor In Existing Mom Box Of 230 Kv Ab Switches At Ottiyambakkam 400kv Ss
