Relay, Ac Immune, Plug In Type, Style Qna1 , Dc Neutral Line, 24V, 8F/8B Contacts, Front An D 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. [ War Ranty Period: 30 Months After The Date Of Delivery ] ]