Supply Of Relay Non-Ac Immune, Plug-In Type Style Qn1, Dc Neutral Line, 24V 8F/8B Contacts , Front And Back Contacts Metal To Carbon With Plug Board Retaining Clip And Connectors Confirming To Brs 930, Irs-S34, Irs-S23 ( As Applicable) The Interlocking Code For This Unit Shall Be Abcdf Make: Genext Or Similar. Rdso Item Id:3100385 Sub Item Id:3100385018 [ Warranty Period: 30 Months After The Date Of Delivery ] ]