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Tender For supply of welding socket unit of dimension 380(l)x650(w)x300(d) duly housed in outdoor made of high quality thermoplastic polycarbonate pc gfs (shock proof,weather pr oof, rust free, fire retardant, high impact against mechanical load) and should have degre e of ingress protection ip 65 as per iec 60529 to perform under ambient temperature - 35 deg c upto +80 degc. type of mounting: tubular pole mounting, mounting sheet material/canopy should be made of hot dip galvanized iron flat sheet material with thickness shall not be l ess than 2mm and ms flat frame (32x6)mm to be welded on gi sheet. the welding socket unit should comprisisng of the following items. 1.) copper bus bar (r,y,b,n) of each bus bar dime nsion (30x10)mm rating range 100-200amps, and separate earth strip confirmed to is 1897:200 8 or lastest.2.) 63amps 4pole residual current circuit breaker with operating volt age of 41 5volts, 50hz, tripping range : 30ma 3.) 63amps 4pole (3p+n) miniature circuit breaker with ope rating voltage of 415volts, 50hz, breaking capacity range : 10/16/25 ka 4.) 20amps 2pole (p+n) miniature circuit breaker with operating voltage of 230volts, 50hz, breaking capacity range : 10/16/25 ka (all rccb and mcb confirming to is/iec 60898-1:2002 or latest with isi mark), pref ferable make: legrand, havells, schneider, hager, l&t.5.) 63amps 5pin (3p+n+e) and 20amps 3p in (p+n+e) industrial welding socket (with spring supporting door) and suitable plug worki ng on 415volt ac supply, 50hz, of degree of protection ip 67 are designed as per iec 60309-1 and 60309-2, preferable make: schneider, hensel-walther, cape. 6.) 4runs of 16sqmm cu. frls wire. (each r,y,b,n) from copper bus bar to rccb (incomer), 4runs of 16sqmm cu. frls wire fr om rccb (outgoing) to 63amps mcb (incomer), 2runs of 6sqmm cu. frls wire from rccb (outgo ing) to 20amps mcb (incomer), 5runs of 16sqmm cu. frls wire from 63amps mcb(4runs) & green wire from earth strip(1run) to 5pin industrial socket and 3runs of 6sqmm cu. frls wir e from 20amps mcb(2runs) & green wire from earth strip(1run) to 3pin industrial socket. co pper wire confirmed of is 694:2010 or latest. preferable make : anchor, orbit, havells, polyc ab 7.) including cable gland (size confirming by consignee) for loop-in and loop-out of 4cx1 20sqmm ltug cable entry/exit from bottom conform as per en 60423 or latest. din rail for s uitable installations of all rccb and mcb upto 63amps.the manufacture should submit all t est certificate in accordance with latest iec standards. make / brand : cape consisting of 1) emp ty enclosure and mounting flange - spelsberg 2) plug and sockets 63 a/16a ? cape 3) rccb & mcb - l&t 4) conical support - powermat 5) end clamp - connect well 6) earth cable gland with locknut - trinity 7) rep uted make for miscellaneous items like copper bus bar, double compression cable gland, distribution win dow, earth busbar, ms hot dipped canopy, din rail, wiring, screws, nuts, bolts and lugs & other accessori es. hsn code 8537 1000. [ warranty period: 30 months after the date of delivery ]
Tender For quotations for electrical item supply work at haringhata campus for the different vendors for haringhata campus of the university - supply 1.1 kv grade 36/0.3 (2.5 sq. mm) single core stranded 'fr' pvc insulated & unsheathed copper wire, supply 1.1 kv grade 2 x 56/0.3 (4 sq. mm) single core stranded 'fr' pvc insulated & unsheathed copper wire, supplying mcb ss enclosure with ip-20/30 protection, powder coated provision for two/four pole mcb, original finish incl. painting, connection & provision for earthing attachment, 4way, supplying & fixing industrial plug & socket board with 415 v, 30a, ?pn & earth metal industrial plug socket & 30a industrial top incl. s&f 32 a tpn/fp mcb breaking capacity 10ka (c-curve) in ss enclosure fixed on wall and necessary connection., supplying double-door spn mcb distribution board with ip-42/43 protection, inter connection with suitable size of copper wire and neutral link & provision for earthing attachment 2+12 way, supplying 240/415 v mcb of breaking capacity 10ka & c characteristics on din rail of existing dbs and necessary connection, 40 a(4p), 63 a(tp), 32 a sp, 12 m pvc box, 12m font plate, 16/6 a socket, 16/6 a socket, supplying pvc rigid conduit 'fr' 25mm size, 25mm pvc china sadel, ??? ??pe
Tender For supply of lt miscellaneous items for lt switchgear lt system for the year 2024-25 unit 5 and 6 csctpp chhabra - air flow sensor sl0101, control supply -230v ac, with 1 no +1nc contact, make-ifm or equivalent, dynamic braking resistor 13 ohms/ 9600w, 10% ed, 10 sec. max, ambient 50 degree,make-iresco/equi or equivalent, fan: axial, dia: 250, 230vac, 50hz, 115w, air flow:1610 m3/h (specification attached at annexure-i), fan: axial, dia: 450, 415 vac, 50hz,480 w, air flow:4530 m3/h,speed-1360 rpm,(specification attached at annexure-ii), fan axial 08" ball bring 230v ac 1p-50hz (as per annexure-iii ), relay assly : 4 relay, 2 c/o, 5a/24v dc, with led indication, iron core reactor 3 phase, 0.359mh/45a, 3 ph iron core, 117 uh/240a, make: rishab/ transformer/epi/equi or equivalent, 3 ph iron core, 67 uh/240a, make:rishab/ transformer/epi/equi or equivalent, 3 phase line choke ,in-21 amp,inductance-4.2mh,class-f,freq-50hz,voltage-415v, 3 phase line choke ,in-21 amp,impedance-3%,class-f,freq-50hz,voltage-415v, ct: metering 250/5a, 15va, class 1, ct dim.: 180{w}, 100{d}, 70{h}, window size:20x35mm, front terminals, resin, cast, insulation class:e, type 2, colour:yellow, resin cast insulaed c.t 400/5a,class-1,va-10, resin cast insulaed c.t 400/1a,class-1,va-10, thermal overload relay range 95-120 a, 125hp three phase submersible pump star delta starter with 3-position selector switch (with auto switch), single phase preventer, current overload protection with short circuit protection., aluminium ring type terminal lugs conforming to is-8337/is-5082 ,iec-61238,for voltage rating 1.1 kv, 6 sq.mm, 10 sq.mm, 16 sq.mm, 25 sq.mm, 35 sq.mm, 50 sq.mm, 70 sq.mm, 95 sq.mm, 120 sq.mm, 150 sq.mm, 185 sq.mm, aluminium pin type terminal lugs conforming to is-8337/is-5082 ,iec-61238,for voltage rating 1.1 kv, 10 sq.mm, 16 sq.mm, 35 sq.mm, copper ring type terminal lugs conforming to is-8337/is-5082 ,iec-61238,for voltage rating 1.1 kv, 1.5 sq.mm, 2.5 sq.mm, 6 sq.mm, 10 sq.mm, 16 sq.mm, 25 sq.mm, power terminals mounting on din conforming iec 60947-7-1,voltage rating-1 kv,safe for fingers., current rating-140 a, 35 sq.mm,3 nm, current rating-192 a, 70 sq.mm,6 nm, current rating-232 a, 95 sq.mm,6 nm, copper pin type terminal lugs conforming to is-8337/is-5082 ,iec-61238,for voltage rating 1.1 kv, 1.5 sq.mm, 1.5 sq.mm(hollow type), 2.5 sq.mm, 2.5 sq.mm(hollow type), 6 sq.mm, 10 sq.mm, 16 sq.mm, 25 sq.mm, copper u type terminal lugs conforming to is-8337/is-5082 ,iec-61238,for voltage rating 1.1 kv, 1.5 sq.mm, 2.5 sq.mm, 6 sq.mm, terminals blocks (melamine housing) khaki color, 4 sq. mm, 32 amp., 600v, 10-20awg, screw type, din mounting, 6 sq. mm, 41 amp., 800v, 08-20awg, screw type, din mounting, 6-35 sq. mm, 125 amp., 750v, screw type, din mounting, 1.5-4sq. mm, 32 amp., 800v, 08-20awg, stud type, bolt connection, clip on din mounting, 35-50sq. mm, 125 amp., 1000v, clip on din mounting, wago make grey colour screwless , spring clamp, polyamide terminals for interpanel wiring , terminal:769-251, female plug:769-102 with add-on, modular timing relay,5a,2co,0.1s 100h,on-delay,230v ac, voltage-transducer, suitable for 24v dc power supply,i/p:0-500v ac,dual o/p(4-20ma), din rail mounted,, shunt resistor, 750a/60mv,0-60mv, shunt resistor, 175a/60mv,0-60mv, shunt resistor, 200a/60mv , 0-60mv, thermal overload relay,1.6a-2.5a, 3 pole, bi - metallic, 1 no + nc,, thermal overload relay,16a-25a, 3 pole, bi - metallic, 1 no + nc,, ac axial fan230 vac,50/60 hz 6"172x150x51 mm(model no rec-21725b2w) rexnord make or equivalent for 1:1 replacement, ac axial fan230 vac,50/60 hz 4"120x120x38 mm(model no rec-22038 a2t) rexnord make or equivalent for 1:1 replacement, transformer protection relay,i/p-4 nos of rtd sensors(pt-100),3 no of set points,0-300 temperature indication range,o/p-four relay contacts(01 c/o contacts),one analog 4-20 ma output contacts ,aux supply -90-270 v ac/dc,pecon make ,model no-tr-7570 or equivalent for 1:1 replacement, add-on auxiliary contact blo
Tender For construction of 11/0.4 kv substation, capacity enhancement, line construction, replacement of worn out wires, cable poles, replacement of wires, guarding, ht and lt line construction, system improvement work.