Tenders for Supply Of Q-Series Twin Netural Line Relay Qnn1 Type, 4F/4B, 24V Dc Complete With Plug Board Base Plate, Connectors And Retaining Clips Etc And Conforming To Brs-960 And Rdso Spec. No.-Irs:S-34 & S- 23 Or Latest. The Interlocking Code For This Unit Shall Be Acehj. Warranty Period: 30 Months After The Date Of D Elivery
