supply of insulation monitoring relay , insulation monitoring relay (imr) to monitor 3 phase power supply of voltage range 110 v ac,measuring r ange 1 - 100 k ohm, control voltage 24 - 240 v ac / dc output 1 c / 0 (spdt) contact system leakage capacitance 10 mi cro farad, and place of installation s1a6, as per rdso spec.no. rdso/pe/spec/ac/0184-2015 (rev.1) & bom lr.no. - el /7.1.108/mssbc dt. -17/09/2021 suitable for lhb type ac coaches switch board cabinet (s1a06). acceptable makes as p er bom: abb cat.no.cm.iws.1s, schneider cat no.vigil ohm/imd-im10, siemens cat no.3ug4581-1aw31, dold cat no. i l 5880.12, contrel cat no. ir 140y-4, ri-r22, woka or bender only acceptable as per above rdso spec. as per drg.no. --- specn: rdso/pe/spec/ac/0184-2015 (rev.1) & bom lr.no. - el/7.1.108/mssbc dt. -17/09/2021 [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]