Tender For corrigendum : numerical motorprotectionrelays (draw-out type) to retrofit in place of mchnm alstom make motorprotectionrelay for the ht motorprotection
Tender For procurement of spare parts for welland & tuxhorn make hydraulic drive system for lp bypass system and abb make 3 phase unbalance monitoring relay- 3 phase unbalance rms monitoring relay (100077739), fuse 6a (100189159), led lamp-3h1 (100189160), led lamp-3h2 (100189161), switch-3s1 (r100189162), relay-3k1 (100189163), relay-3k2 (100189164), relay-6k5 (100189165), safety relay-6k1 (100189166), signal isolator (passive) (100189167)
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 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 (s1a6). acceptable makes as per bom: abb cat.no.cm.iws.1s, schneider cat no. vigil ohm/imd-im10, siemens cat no.3ug4581-1aw31, dold cat no. il 5880.12, contrel cat no. ir 140y-4, ri-r22, woka and bender only. [ warranty period: 30 months after the date of delivery ] ]
Tender For supply & commissioning ref/rej 601 feeder/transformer protectionrelay at site. (note- ref/rej relay , supply & commissioning rem601 motorprotectionrelay at site (note- rem 601 relays as a retrofit sol , field flashing contactor for excitation system contactor 250 amp coil 220v dc model- af265-30
Tender For supply of smps based integrated power supply (ips) system for lc gate and auto relay hut/line side cabinet with aftc/axle counter/msdac as per rdso spec. no. rdso/ spn/165/2023 version 4.0 with amendment-1, along with surge protection device, status monitoring panel, spares, tool kit, lmla battery 110v/500 ah consisting of 55 + 5 cells (cells as per rdso spec. irs: s-88/2004) alongwith battery stand. the configuration of ips should be as per attached drawing of nwr. this includes transportation to consignee depot to site, commissioning of integrated power supply system after duly filling pre-commissioning check list jointly by rdso approved vendor and railway representative. installation is required. ]