South Central Railway

South Central Railway has published Supply Of Insulation Monitoring Relay (Imr)Insulation Monitoring Relay (Imr),Insulation Monitoring Relay (Imr) To Monitor 3 Phase Power Supply Of Voltage Range 110 V Ac, Measuring Range 1 - 100 K Ohm, Control Voltage 24 - 240 V Ac / Dc Output 1 C / 0 (Spdt) Contact System Leakage Capacitance 10 M Icro Farad, And Place Of Installation S1a6, As Per Rdso Spec.No. Rdso/Pe/Spec/Ac/0184-2015 (Rev.1) & Bom Lr.No. - E L/7.1.108/Mssbc Dt. -17/09/2021 Suitable For Lhb Type Ac Coaches Switch Board Cabinet (S1a06).Acceptable Makes As Per Bom: Abb Cat.No.Cm.Iws.1S, Schneider Cat No.Vigil Ohm/Imd-Im10, Siemens Cat No.3Ug4581-1Aw31, Dold Cat No. Il 5880.12, Contrel Cat No. Ir 140Y-4, Ri-R22, Woka Or Bender Only Acceptable As Per Above Rdso Spec. [ Warranty P Eriod: 30 Months After The Date Of Delivery ] ]. Last date of submission for this tender is 2025-11-10. This is a Railway Ancillaries tender in Tirupati, Andhra Pradesh