supply of insulation monitoring realay as per descriptions. , insulation monitoring realay , 110v ac, measuring range: 1-100 k ohm, control voltage: 24 - 240 v ac/dc, output 1c/0(spdt) contact system leakage capacitance 10 micro farad, place of installation s1a6, as per the switch board cabinet bill of material of rdso spec. no:rdso/pe/spec/ ac/ 0184 - 2015 (r ev-1) or latest. makes: abb cat no:cm.iws.1s, schneider cat no. vigil ohm/imd- im10, siemens cat no. 3ug4 581- 1aw31, dold cat no: il 5880.12, contrel cat no. ir140y-4, ri-r22, or similar according to bill of mate rial of rdso spec. no: rdso/pe/ spec/ ac/ 0184 - 2015 (rev-1) or latest only [ warranty period: 30 mont hs after the date of delivery ] ] , insulation monitoring relay, 415v ac, 3phase, neutral isolated, voltage range 0-500v ac, ins ulation measuring range : 10 k ohm to 150 k ohm, control voltage : 24-240v ac/dc, as per page no. 39, s .no.63, item code : a2 and place of installation s1a7, of bill of material of rdso specn.no. rdso/pe/spec/ ac/0184-2015(rev.1) or latest, used for insulation control 415v of lhb type ac coaches suitable for lhb ty pe ac coaches switch board cabinet (s1a07). makes & cat.no.abb cat.no.cm.iws.2s, schneider cat no.vig il ohm/imd-im10, siemens cat no.3ug4581-1aw30, dold cat no. il 5880, control cat no. ir 470ly-21a, ri- r138, woka or similar [ warranty period: 30 months after the date of delivery ] ]