Relay Ac Immune Plug In Type, Style Qna1, Dc Neutral Line Relay, 24V , 8F/8B Contacts, Front & Back Contacts Metal To Carbon With Plug Board, Retaining Clip And Connectors, Confirming To Br S: 931A, Irs:S-34, & Irs:S-23 (As Applicable). The Interlocking Code For This Unit Shall Be Abdgh. Rdso Item Id:310035019 [ Warranty Period: 30 Months After The Date Of Delivery ] ]