Tender For supply of 11kv 24v dc ptr lv vcbs with control & relay panels and cts of ratio 400-200-100/1-1a(with out differential protection): 11 kv, 3 pole, 1250 a,50 hz, 25 ka , porcelain clad pad type outdoor vacuum circuit breakers , with outdoor control and relay panels & current transformers , (detailed technical specification attached) . vcb shall be equipped with 24vdc operated outdoor type control and relay panels with 3 o/l & 1e/l idmt numerical relays and 3nos outdoor vcb mounted current transformers of ratio 400-200-100 / 1-1a of class 0.2 s & 5p10. outdoor vcb shall be conforming to is/iec: 62271 part-100: 2021 and is/iec-62271 part-1: 2017 or latest specifications.
Tender For supply of 11 kv 24 panel switch board - design engineering manufacturing shop testing inspection packing delivery to site of 11 kv switchboard , spare incomer breaker with trolley and 3 phase line pt mounted , spare outgoing breaker with trolley of each size and rating , numerical feeder protection and control relay of each type , numerical transformer differential protection and control relay of each type , single phase current transformer for each type and rating , single phase current transformer for differential protection for each type and rating , pt primary fuse of each rating , pt secondary fuse mcb , spring charging motor , surge arresters , tnc control switch , closing coil , tripping coil , ammeter selector switch , voltmeter selector switch , bus support insulator used in bus bar compartment of each type , bus support insulator used in cable compartment of each type , anti pumping relay , dc failure relay , master trip relay , 24 window annunciator , 10 window annunciator , hooter , led indication lamps 110v dc for each colours red yellow biue green clear white amber , led indication lamps 110v ac for each colours red yellow and biue , service test limit switches of each type and rating , limit switches used in vcb of each type and rating , electrical contact grease , installation and commissioning support as per engineering specification cd css 11kv sb es.
Tender For supply of maximum current relay complete assembly (dl-mcr) with mechanical interlocking arran gements as per clw's spec. no.-clw/es/3/ 0059 (alt.-d) for 3-phase locomotives [ warranty period: 30 months after the date of delivery ]
Tender For 3 phase over current (fol) + earth fault relay, ct-6a aux supply 24/110 v dc, output contac t 2 no + 2 nc suitable for switch board cabinet for hog compliant lslrd coaches conforming to rdso spe cification no rdso/pe/spec/tl/0195-2019 (rev-0). [ warranty period: 30 months after the date of deliver y ]