Supply Of Relay, Ac Immune Plug In Type. Style Qbca1, Dc Biased Point Contactor,24v,2f( Hd)/4b Contacts,front Contacts (heavy Duty) And Back Contacts Metal To Carbon,complete With Plug Board, Retaining Clip And Connectors,conforming To Specn. No.brs:943,irs:s-34 & Irs:s-23(as Applicable). The Interlocking Code For This Unit Shall Be Bcejk. [ Warranty Period: 30 Months After The Date Of Delivery ]