North Western Railway

North Western Railway has published Supply Of supply and installation of modular power supply arrangement for vdu , supply and installation of modular power supply arrangement for vdu (42- 85) and embedde d pc with input and output redundancy arrangement and hot pluggable modules having voltage & load curr ent digital display on each module. each set consisting of:- 1. isolated inverters (master/slave with auto ch angeover)-2 nos. input: 110vdc, output: 110 vac, 500va (as per rdso tan no. sts/e/tan/3012 version 3. 0 dated.03.11.22) 2. isolated dc-dc converters- 02 nos. connected in parallel with built in o-ring diode, act ive current sharing as per rdso/spn/165/2023 version 4.0 or latest (input: 110vdc, output:24 vdc/10a) 3. input (redundancy) o-ring diode module with two input sources and one output supply along with potential free contacts, alarm and acknowledgment switch. 4. 3u stainless steel rack with back panel mother board a nd front panel power connectors, power cord for vdu panel. make : gallant or similar [ warranty period: 30 months after the date of delivery ] ]. Last date of submission for this tender is 2026-06-10. This is a Railway Ancillaries tender in Ajmer, Rajasthan