Supply Of Relay Non-Ac Immune, Plug In Type Style Qn1, Dc Neutral Line 50V, 8F/8B Contact F Ront And Back Contacts Metal To Carbon With Plug Board, Retaining Clip & Connectors Confirming To Brs:930 A,Irs:S 34 & Irs:S 23 (As Applicable) The Interlocking Code For This Unit Shall Be Abdef [ Warranty Period : 30 Months After The Date Of Delivery ] ]