Supply Of Relay, Ac Immune, Plug In Type, Style Qna1, Dc Neutral Line, 24V, 8F/8B Contacts, F Ront And Back Contacts, Metal To Carbon, With Plug-Board, Retaining Clip And Connectors Conforming To Brs: 931A, Irs: S 60, Irs: S 34 & Irs: S 23 (As Applicable). The Interlocking Code For This Unit Shall Be Abdgh. [ Warranty Period: 30 Months After The Date Of Delivery ] ]