Tender For supply of class b & c surge protection device (spd) -type i & ii withvisual indication and potential free contact to remote monitoring asper rdso specification no. spec rdsospn 165 2023 v4 amd1 and iec standard 61643 for single line 230v ac applicationwith handling lightning surges of 10/350 microseconds and switchingsurges of 8/20 microseconds. one set consists of 3 nos of spd (twonos of b class (l-n, n-e) and one no. of c class( l-n) all enclosedin a box with kema/vde/nabl accredited/any internationallaboratory certified as per latest iec 61643-11-2011 standard.technical specification for class b & class c spd is enclosed. class b & c surge protection device required with three modules only.make-merson,obo,pheonix or similiar. [ warranty period: 12 months after the date of delivery ] ]
Tender For corrigendum : repair/maint/impv of building service connections, internal lighting system, led lighting and lightningprotectionsystem in various accn at jalapahar under age i darjeeling
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. ]
Tender For providing of custom bid for services - 200148540 earthing and lightningprotectionsystem adequacy study for switchyard main plant and off-site areas at ntpc telangana stpp ntpc telangana