Relay, Ac Immune, Plug In Type, Style Qbca1, Dc Biased Point Contactor, 24 V Dc, 2Hf-4B Co Ntacts, Front Contacts (Heavy Duty) And Back Contacts Metal To Carbon, Complete With Plug Board, Retaining Clips & Connectors Conforming To Brs 943 & Rdso Specn. Irs S-34 & Irs S-23 Code Bcejk To Brs- 943 With Amdt. Up To Date As Applicable Or Latest [ Warranty Period: 30 Months After The Date Of Delivery ] ]