Relay, Non- Ac Immune, Plug In Type Style 'Qn1' Dc Neutral Line 24V- Dc, 12F/4B Contacts, Front And Back Contacts Metal To Carbon With Plug Board, Retaining Clip And Connectors Conforming To Brs :930, Irs:S 34 & Irs:S 23. (As Applicable).The Interlocking Code For This Unit Shall Be Abcde. [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]