Supply Of Relay, Non Ac Immune, Plug In Type ,Style Qnn1 Twin Dc Neutral Relay, 24 V, 6F-2B Contacts Each For Lh An D Rh, Front And Back Contacts Metal To Carbon, Complete With Plug Board, Retaining Clips And Connectors Confirming To Brs:960, Ir S-S-34 & Irs-S-23. The Interlocking Code For This Unit Shall Be Acdek. [ Warranty Period: 30 Months After The Date Of Delivery ] ]