Tender For 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, as per contrel model no. ir140y-4, ri-r22 or abb model no. cm.1ws.2s or schnieder model no. vigil ohm/1md-1m10 or siemens model no. 3ug4581-1aw30 or dold model no. 1l5880 or voka suitable for installation in s1a6 as per rdso/pe/spec/ac/0184-2015 rev-1 [ warranty period: 30 months after the date of delivery ]
Tender For corrigendum : procurement of spares for 110 kv control and relay panels with cable differential scheme in connection with providing connectivity at 110 kv level to the proposed 110 kv traction substation, punalur on work deposit basis for railways.
Tender For corrigendum : supply, erection, testing and commissioning of breaker, control and relay panels, earthing system etc towards power transformer capacity augmentation from 2x8 mva into 1x8, 1x16 mva at 33 kv vallankumaravilai ss of kanyakumari edc.
Tender For corrigendum : supply, erection, testing and commissioning of 1x8 mva prtr with associated equipments, structures, breakers, control and relay panels, 110 v battery set and earthing system etc for the establishment of new 33/11 kv serakulam ss in tuticorin edc. - fabrication, manufacture, supply, erection, testing and commissioning of 33/11kv substation with 1 x 8 mva power transformers, associated structures, equipments, accessories, control panels etc at serakulam village in tuticorin edc in tirunelveli region on total turnkey basis