supply of insulation monitoring relay (imr) to monitor 3 phase power supply of voltage range 110 v acinsulation monitoring relay (imr) to monitor 3 phase power supply of voltage range 110 v ac,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 l eakage capacitance 10 micro-farad, and place of installation s1a6, as per rdso spec. no. rdso/pe/spec/a c/0184-2015 (rev.1) & bom lr.no. - el/7.1.108/mssbc dt. -17/09/2021 suitable for lhb type ac coaches s witch board cabinet (s1a06). acceptable makes as per bom: abb cat.no.cm.iws.1s, siemens cat no.3ug4 581-1aw31, only acceptable as per above rdso spec. (accepted make/brand: siemens, abb, schneider, d old, woka , bender, contrel only). specific makes, model no. and specification should be supplied as per vande bharat space concerned. [ warranty period: 30 months after the date of delivery ] ]