South Central Railway

South Central Railway has published Supply Of 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 micro farad, and place of installation s1a6, as per rdso spec.no. rdso/pe/spec/ac/0184-2015 (rev.1) or latest & bom lr. no. - el/7.1.108/mssbc dt. -17/09/2021 or latest, suitable for lhb type ac coaches switch board cabinet (s1a6).acceptable makes as per bom: abb cat.no.cm.iws.1s, schneider cat no. vigil ohm/imdim10, siemens cat no.3ug4581-1aw31, dold cat no. il 5880.12, contrel cat no. ir 140y-4, ri-r22, woka and bender only acceptable.. Last date of submission for this tender is 2026-08-17. This is a Power Relays tender in null, Andhra Pradesh