Q-Series Natural Line Relay (Qn1 Type) 8F/8B 24V,Dc Complete With Plug Board (Ba Se Plate), Connectors , Retaining Clips Etc And Conforming To Brs: 930 And Rdso Spec No. Irs :S-34 & S-23 With Amdt.Upto Date As Applicable Or Latest.The Interlocking Code For This Unit Shall Be "Abcde". [ Warranty Period: 30 Months After The Date Of Delivery ] ]