Product Detail :
|
Providing of aluminum bushes for tt ab switch (sab00002). alluminum alloy tail clamps minimum 15 mm thickness, 60 mm width 130 mm length, pad size 85 x 40 x s15mm two holes on pad spaced 40 mm, four hot dip galvanized bolts of size m10 x 65 mm i.e., (3/8" dia x 2 1/2 " length) and double nuts with a 2 mm thick spring washer and 1 mm thick 2 flat washers for each bolt minimum weight of 600 gms to suit for 55 sq.mm aaa conductor for carrying 600 a current, best quality and workmanship, well finished, high current carrying capacity, high corrosion resistance, be free from corona formation, manufactured from aluminium silicon alloy, compression type having alluminium purity not less than 99.5%, thickness and contact surface should be maintained conforming to designation a6 of is 617 (latest edition), is5561-1970, is 2633-1964, is 1363-1967, is1367-1961) (sab00005). 11 kv 200 a (tilting type) ab switch fixed contact assembly fixed contact suitable for 11kv 200a (tilting type) ab switches shall be of high grade copper and capable of carrying the short circuit current of 16ka (min) and capable of carrying, rated normal current of the switch continuously the contact shall be 30x6x225 mm copper flat nickle plated and with 14swg guage phosphor bronze arcing horn suitable for the above switch (sab10001) . 11 kv 200 a (tilting type) ab switch moving contact assembly moving contact for 11kv 200a (16 a load break) tilting type ab switch consisting of jaw cup of hdec 220x70x2mm and arcing horn of 5mm dia st. steel rod 30x6x100mm of with jumper pad to fix in jaw cup with studs and nuts and with st. steel springs (2 nos.) component wise breakup i) moving contact cup assembly of hdec 220x70mm and 2mm thick. ii) moving contact jumper of hdec 30x6x100 mm. iii) st. steel arcing horn rod with fixing base 5mm dia and 225 mm long. iv) st. steel bolts & nuts (sab10002). brass flexible jumpers suitable for 11kv 200a tilting type ab switches (sab10003). annealed tinned copper fuse wire of pure electrolytic quality smoothly drawn approximately circular section and uniform as per is 9926/1981 of latest edition 33 swg in reels packing net weight should be 1 kg without packing material (sfu10042). lt line pvc spacers made out of high quality rigid pvc gray color for use in lt lines to rec standard having 12 mm dia with dry frequency with stand voltage upeu 10 kw and as per specification (s-phase, 3 wire spacers) (sli10027). lv brass bush rods conventional type 180x12mm, with 4nos nuts, not less than 180g weight (str10233) . led type rechargeable torch lights of eveready make (ts100099). 10 feet earth discharging rod made out of wood stick enclosed with pvc pipe 32mm dia throughout length and 2nos pvc flexible sleeves fitted at both ends of the pipe. the pipe should fixed with copper strip of size 200 x 25 x 3mm, with g.i washers and 2nos wing nuts consisting of pvc flexible copper wire of finolex make 7/20 sq mm leads 10 meters length with 3” crocodile clip at the end (emt00011). 3 feet earth discharging rod made out of wood stick enclosed with pvc pipe 32mm dia throughout length and 2nos pvc flexible sleeves fitted at both ends of the pipe. the pipe should fixed with copper strip of size 200 x 25 x 2mm, with g.i washers and 2nos wing nuts consisting of pvc flexible copper wire of finolex make 7/20 sq mm leads 15 meters length with 3” crocodile clip at the end (emt00012). 11 kv 400a (conv). ab switches fixed contacts(single break) consisting of 2 nos. self released jaws type fixed contact 25x4x90 mm copper strip tin plated, suitable for 11kv 400a (covn). ab switches with 10 nos. cu strips for each jaw (the contacts designed to carry current the temperature rise does not increase beyond the value specified in isi, i.e. 40 degree c above ambient) and 2 sets provided on either side of fixed contact blades so that smooth contact is made for making and breaking contact and mshdg top and bottom housing. arcing horn of 6 mm dia mshdg with required bolts and nuts with jumper pad of size 32x6x200 mm (sab10008). 11 kv 400 amps conventional type moving contacts (double brake) consisting of moving contact hdec (nife) electroplated with swiveling plate (hdec), arching horn 6 mm dia mshdg and copper flexible jumper (1 no for 200 amps ab switch) with required bolts and nuts. nife size 32x6.5x810 mm, swiveling plate size 32x6.5x810 mm and 1 no. flexible jumper of size 25x3x360mm (sab10033). "11kv 800a db ab switch fixed contact dimensions 1) fixed arcing horn - 10mm dia ms hdg, 2) hood - ms hdg, 3) fixed contact jaw - 2 nos. 25x4x610mm tin plated copper flat, 4) spacer - ms hdg (solid), 5) spring - 8 nos. stainless steel springs with metal reviting on both sides, 6) jaws supporting bracket - ms hdg, 7) fc mounting plate - ms hdg with 4 holes 40mm spacing, 8) fc support channel - ms hdg 100x50x5mm length 200mm, 9) bi metallic strip - 80x60x1mm, 10) jumpe
|