Home » Tender for Relay .#* Q-series Line Relay (qna1 Type), Ac Immunized, 12f/4b, 24 V Dc Along With Plug Board (bas
e Plate), Connectors, Retaining Clips Etc And Conforming To Brs-931a And Rdso Specn.no.irs:s-34, S-23 An
d S-60. The Interlocking Code For This Unit Shall, India