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| 1 | (57.1) SITC of IP-42 and general construction confirming to IS:8623 : 1993, wall/ free standing floor mounted dust and vermin proof compartmentalised cubical panel as specifications and Other parameters required as per point (a) ,(b), (c),(d), (e), (f), (g), (h) as below:- (a)Thickness of CRCA sheet shall be 2.0 mm, cable alleycompartments having concealed hinged type doors with key type lock with / without detachable extension type structure. Removable 3 mm. thick sheet steel gland plates with appropriate size of knockouts for cables shall be provided (b)complete panel shall undergo a process of degreasing, Water rinsing, Activation, derusting, pickling in acid bath, phosphatising & shall be subjected to nine tank process and then Powder coated with approved shade of minimum 70 microns on both side of panel. The panel having PE foam/ Neoprene rubber gasket of not less than 3mm thickness ,required hardware , concealed hinged door with key type locking arrangement for equipment/switchgear earthed with 2.5 sq.mm braided copper wire. (c) Interconnection between bus bar and switchgears /cable shall be rigidly supported and made out by flexible copper wires (up to 63amp ) and by solid bus bar (>63 amp ) . control wiring will be carried out with 1.5 Sq.mm, Earth wire with 2.5 Sq.mm and CT with 2.5 sq.mm flexible copper wire only. All joints / interconnections of copper bus bar shall be dully tinned . Clearance between main bus bar and risers / metal parts shall be at least 10 mm additional to width of bus bar Bus bar is insulated by Heat Shrinkable sleeves . Earth and Neutral bus bar shall be half of the size of phase bus bar. ( Cost of Bus bar / Flexible wire for Interconnection between Main busbar and Switchgear is to be Paid Extra ) (d)Wiring between components within switchgear and Incoming / outgoing cable shall be done through of various devices shall be ‘point to point’ (no wire splitting or tee connections) with wires neatly trucked along the back of the panels, adequately supported to prevent sagging. (f)Floor mounted panel shall be mounted on Base frame of ISMC channel size 100 x 50 x 5 mm ( to be paid Extra ) (g) Tests: The insulation resistance (with 1000 V Megger) and High voltage Power frequency test (by applying a voltage of 2.5KV for one minute) shall be measured between phases, between phase and neutral and between phase and earth. both before and after high voltage power frequency test. The insulation resistance shall not be less than three megaohm. CT Secondary current injection test shall also be carried out. (h) only outer surface area on all sides shall be measured & panel to be fabricated only from CPRI approved fabricator only (CPRI Test certificates to be submitted)All as per pre approved by Engineer incharge. For additional technical parameters of products/ work , refer Annexure \\"A\\" attached with this BSR . |
| 2 | (57.2) Supplying and fixing of Aluminium (IEC 60105 ISO 209-1,2) / Copper (IEC 60028) bus bar by means of SMC / DMC type insulator with standard short circuit withstand capacity , high tensile nutsand bolts spring washers in existing panel including bending , cutting in required shape and size and colour coding with heat shrinkable PVC sleeves. All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \\"A\\" attached with this BSR . |
| 3 | (57.2.1) Electrolytic grade Aluminium bus bar 6010 grade |
| 4 | (57.3) Providing & Fixing of IS: 13875 & IEC :61326 confirming LED Digital type (up to 500) V range Volt meter / Direct- Ammeter / CT oertated ammeter/ Frequency meter / KWH meter / Multi Function Meter / Power analyzer of class 1 accuracy as per IS : 1248 of size 96mm x 96 mm including making connection by PVC insulated copper conductor with PVC sleeves / channel etc. as required. All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \\"A\\" attached with this BSR . |
| 5 | (57.3.3) Three phase Ammeter with Inbuilt Selector Switch |
| 6 | (57.3.4) Three phase Voltmeter with Inbuilt Selector Switch |
| 7 | (57.8) Providing & Fixing of 110/220 V, unibody LED Indicating lamp IEC 60947 with integral circuit, IP 65 above panel & IP 20 terminal block, Approx. body dia for panel not less then 20 mm, length min.50mm,front LED cover dia min. 29 mm, contact material phospher bronze for Led, PCB contacts shall be of brass (tin plated), impulse dielectric tested for 2.5 KV, Rated insulation resistance shall be 100 M ohm at 500VDC including connection etc. as required. All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \\"A\\" attached with this BSR . |
| 8 | (57.8.1) Red/yellow/Green colour |
| 9 | (58.3) SITC of 3 /4 pole current limiting Moulded case circuit breaker (MCCB) made of flame retardent & heat resistant material having following current rating, short circuit breaking capacity at 440/415 V, 50 Hz; O/L & S/C settings , conforming to IS/IEC 60947 P -2 :2003 with front face and centralised adjustable, trip free mechanisum, true contact position indicator, line load interchangeability, designed for both horizontal & vertical mounting without any adverse effect on electrical performance, suitable for operation upto 55 degree and without derating upto 40 degree, pollution degree 3, having positive isolation capability, push (test) to trip, trip time less then 10 ms under s/c condition, Breaking capacity Ics = 100% ICU. U imp =8 KV, rated insulation voltage 690 V. provision for UVR , shunt trip , earth fault trip, door interlock, pad lock & rotary handle , including making connections etc. as required.OEM shall have submit NABL / CPRI / ERDA accrediated lab type test certificate before execution All as per pre approved by Engineer in-charge. For additional technical parameters of product /work refer Annexure 'A' attached with this BSR |
| 10 | (58.3.3) 4 pole MCCB With Thermal Magnetic release |
| 11 | (58.3.3.5) up to 200 Amp , 25 kA, adjustable O/L & adjustable S/C setting, |
| 12 | (58.3.3.2) up to 100 Amp , 25 kA, adjustable O/L & adjustable S/C setting, |
| 13 | (58.4) Supply and fixing of following accessories for Moulded case circuit breaker (MCCB) compatible to main MCCB OEM as per PWD specification for electrical Works, conforming to IS/IEC 60947 P - 2:2003 including making connection etc complete in all respect. OEM shall have submit NABL / CPRI / ERDA accrediated lab type test certificate before execution. All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , \refer Annexure \\"A\\" attached with this BSR . |
| 14 | (58.4.9) Auxiliary contact |
| 15 | (60.2) Providing & Laying P.V.C. / XLPE insulated & P.V.C. sheathed Arrmoured Aluminium cable confirming to IS:1554 P-I / IS :7098 PI of 1.1 KV with H4- Grade electrolytic aluminium conductor confirming to IS 8130 of purity >99.6 %, round / flat strip armouringof cables,Inner / outer sheath confirming to IS:5831 in existing RCC / Hume / Stoneware / PVC pipe/ open duct/cable trench / Cable tray(with cable tie) including testing etc. as required of following size. OEM must have it's own in house NABL accrediated Laboratory for testing procedure as per IS:10810.For additional technical parameters of product / work refer Annexure 'A' attached with this BSR |
| 16 | (60.2.7.3) 50.0 Sq. mm 3.5 core |
| 17 | (60.2.10) 120.0 Sq. mm |
| 18 | (60.2.10.2) 3.5 core |
| 19 | (60.7) Add Extra for Laying of one number additional PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade direct in ground in the same trench in one tier horizontal formation including excavation of trench of size additional 20 cm in width, withprocedure as per following points :- (a) Make a river sand bed of height 125 mm along the trench, (b) Lay another cable in middle of trench in such manner that spacing between another cable is 20cm.,(c) Provide river sand bed of height 125 mm on top of the cable. (d) Lay the protective Common burnt clay F.P.S. Bricks of Class designation 75 /Sand stone slabs of 50 mm thickness and 225 mmwide just above the sand bed vertically across the cable ( Approx. 9 no. Bricks per Mtr.), (e) Backfill the excavated soil leaving 300 mm from the Ground level, (f)Lay the Cable warning tape and againback-fill the remaining portion of the trench upto the ground level and compacting the earth. |
| 20 | (61.1) Supplying and making one end termination with Nickel plated heavy duty brass single compression gland (as per IS 12943-1990)) SIBG type consisting of Check Nut, Gland Body, Metal Washer(3 Nos.),Outer Seal Rubber Ring, Compression Nut, heavy duty aluminium lugs (as per IS 8309 -1993) duly crimped with crimping tool, PVC tape as per IS 8337-1976 of following size of PVC insulated & PVC sheathed/ XLPE aluminium conductor cable of 1100 volt grade as required.All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure\\"A\\" attached with this BSR . |
| 21 | (61.1.22) 3.5 x 120.00 sq.mm |
| 22 | (61.3) Supplying and making end termination with heavy aluminium lugs (Pin / ring type ) confirming to IS 8309 -1993 & IS 8337-1976 duly crimped with crimping tool, PVC tape etc of following size.All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \\"A\\" attached with this BSR . |
| 23 | (61.3.12) 120.0 Sq.mm |
| 24 | (61.3.9) 50 sq mm |
| 25 | (61.13) P / L of Double wall corrugated HDPE pipe confirming to IS : 16205 P-24, Stiffness Class 750 N, Externally corrugated and having smooth surface inside with HDPE Coupler, Elbow, Tee at requiredDepth below the ground for laying cable of following Nominal Outer dia. MFR Test report from NABL accrediated is to be submitted.(Excavation of Earth & Back filling with compaction is tobe Paid Extra)All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \\"A\\" attached with this BSR . |
| 26 | (61.13.4) 90 mm |
| 27 | (63.3) Plate Earthing as per IS:3043 with copper Earth plate of purity >95% of size 600mm x 600mm x 3.0mm by embodying 3 mtr. below the ground level with 20 mm dia. G.I. 'B' class watering Pipe,including all accessories like nut, bolts, reducer, nipple, wire meshed funnel, and Heavy duty weather proof poly-propylene earth pit chamber with lockable Jam free lid suitable for safe working load 5000 Kg or more of size Top Dia. 225 to 260 mm, Bottom Dia 300 to 350 mm. and Height 250 to 300 mm. and embodying the pipe complete with alternate layers salt and coke/ charcoal, testing of earth resistance for value of 5 ohms or less as required & must record by engineer in-charge during site visit and ensure to enter in measurment book. All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \\"A\\" attached with this BSR . |
| 28 | (63.5) Supply & Laying following size earth strip in horizontal or vertical run in surface by means of Earth strip DMC Insulator including riveting/ soldering/ welding, Jointing shall be done by overlapping and with 2 set of Brass (for Cu strip) / GI (for GI Strip) nut bolt & spring washer spaced at 50cm making connection etc. as required.All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure\\"A\\" attached with this BSR . |
| 29 | (63.5.5) 40mm x 6mm copper strip |
| 30 | (62.7) Providing & making heat shrinkable type indoor/outdoor/straight through terminations/ joint kit suitable for 11 KV / 33 KV (Earthed) cable with required components, prepration of cable ends. Type test report should be as per IS13573:2011 which covered all sequence for table 2 for termination kit and table 3 for streight through joint inclusive thermal & dynamic short circuit test, humidity test, soil fog test. Cross linking shall be done out side factory with E- beam/ peroxide technology. Extrusion process shall be in house OEM within same vicinity. including testing etc. as required of following sizes. All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \\"A\\" attached with this BSR . |
| 31 | (62.7.1) 11 KV End Termination Kit Indoor type |
| 32 | (62.7.1.2) 3 core 50/70/95 Sq.mm |
| 33 | (62.7.2) 11 KV End Termination Kit Outdoor type |
| 34 | (62.7.2.2) 3 core 50/70/95 Sq.mm |
| 35 | (62.7.3) 11 KV Straight Through Joint Kit |
| 36 | (62.7.3.2) 3 core 50/70/95 Sq.mm |
| 37 | (72.21) Earth work in excavation/ by mechanical means (Hydraulic Excavator) / Manual means over areas (exceeding 30 cm in depth, 1.5m in width as well as 10 sum on plan) including disposal ofexcavated earth, lead upto 50 m and lift upto 1.5 m, disposed earth to be levelled and neatly dressed: |
| 38 | (72.22) Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with Cement Mortar 1:6 ( 1-Cement : 6-Sand). |
| 39 | (72.24) Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level |
| 40 | (72.24.1) 1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) |
| 41 | (72.24.3) 1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources) |
| 42 | (72.25) Plaster on new surface on wall in cement sand mortar 1:4 including racking of joints etc. complete fine finish : |
| 43 | (72.25.1) 20mm thick |
| 44 | (72.26) Finishing wall with water proofing cement paint of approved brand and manufacture and or required shade to give an even shade including all scaffolding: |
| 45 | (72.26.1) New work (Two or more coats applied @ 3.84 kg/10 sqm). |
| 46 | (72.27) Providing and fixing welded mesh/expanded metal mesh 25 mmx 25 mm x 3mm in frame work, flat iron beading 20x3mm including top cross laps inside and out sides welding, iron bolts, crews, clips etc including two coat of red oxide and two coat ofenamel paint or more required complete with frame work with 50 X 50 X 6mm angle iron post 30 cm in ground embeded in cement concrete 1:3:6 (30X30X45cm) at corner and every three mtr including painting with one coat of primer and two coat of enamel paint work will be done as per direction of engineer incharge of size complete in all respect. All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \\"A\\" attached with this BSR . |
| 47 | (73.67) Supply & Fixing of Dry Powder Agent (as per IS 4308:2019), ABC type Fire Extinguisher (Stored Pressure type) conforming toIS:15683:2018 , Powder coated Internal & External Surface Deep drawn cylinder body of Mild Steel CR2 grade conforming to IS: 513, Squeeze grip Forged brass release valve with Inbuilt safety release device, Diaphragm Type, 0 to 28 bar range pressure gauge, 450 mm long EPDM discharge tube, QR code for Product Traceability including Fixing on wall with suitable Anchor Fasteners as required of following capacity. Test Certificates of all the Parameters along with Hydro test & Burst test (For Cylinder Body) Certificate from OEM / External NABL Accrediated Lab is to be submitted. All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \\"A\\" attached with this BSR . |
| 48 | (73.67.3) 6 kg |
| 49 | (72.2) Supply & fabrication steel structure with MS channel / angle / joist / ISMB / sheet etc. including welding, rivetting, cutting, nut & bolt , one coat of primer & two coat of enamel paint etc. as required complete in all respect. All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \\"A\\" attached with this BSR . |
| 50 | (53.1) Supplying and drawing FR PVC insulated & unsheathed flexiblecopper conductor as per PWD specification for electrical Works with ISI marked (IS:694) and as per IS 8130 : 2013 of 1.1 kV grade . Wire should be made from 99.90 % purity copper, class 5 stranding in acc. to IS:8130/IEC 60228 for lower watt loss , oxygen free for less chances of oxidization, insulation PVC type A/C/D , flame retardant as per IS 10810-53, better amperage rating as per IS:3961 part 5, in existing surface or recessed PVC/ MS conduit/casing capping making connections with Copper Lugs of suitable size, Ferrules,testing etc. as required. OEM Must have its own in house NABL lab setup for all testing facilities for wires. For additional technical parameters of product / work refer Annexure 'A' attached with this BSR |
| 51 | (53.1.7) 2 x 2.5 sq. mm. + 1x1.5sqmm |
| 52 | (53.1.14) 2 x 4.0 sq. mm. + 1 x 2.5 sq. mm. |
| 53 | (50.4) S&F following sizes (dia.) of ISI marked virgin material MMS (IS:9537 P - III ) PVC conduit along with ISI marked (IS:3419-1988)accessories as required in recess including cutting the wall,covering conduit and making good the same as required. Foradditional technical parameters of product / work refer Annexure 'A' attached with this BSR |
| 54 | (50.4.4) 40 mm |
| 55 | (55.1) Providing & Fixing of 240/415 V AC MCB with positive isolation of 10 kA breaking capacity (B/ C/D tripping characteristic as per type of load and site requirement) 4 KV impulse withstand voltage, ISImarked IS 8828(1996) / conforming to IEC 60898-1 2002, IEC60947-2, low watt losses, trip free mechanisum , energy limiting of class 3 as per IEC, minimum phase termination capacity of35sq.mm. , conductor line load reversibility , IP 20 contact protection and fitted in existing distribution board/sheets, minimum electrical operation 20,000 upto 20 A rating and 10,000 upto 63 A, 5000 for 80 A & above rating including making connections, testing etc. as required. OEM shall have submit NABL / CPRI / ERDA accrediated lab type test reports & All as per pre approved by Engineer incharge. For additional technical parameters of product / work refer Annexure 'A' attached with this BSR |
| 56 | (55.1.1) Single pole MCB (With B/C curve tripping Characteristics) |
| 57 | (55.1.1.2) 6 A to 32 A rating |
| 58 | (55.1.4) Four pole MCB (With B/C curve tripping Characteristics) |
| 59 | (55.1.4.6) 100 A rating |
| 60 | (55.1) Providing & Fixing of Recessed/surface mounting heavy dutyhorizontal type Double Door ( Metal / Glazed )Distribution board with Metal end box made out from Galvanized steel / CRCA sheet not less then 1.2 mm thick conforming to IS-8623-1 & 3 / IEC 61439- 1 & 3, powder painted complete with reversible door (for double door DB only )100 amp. insulated copper bus bar/shorting link , copper neutral link, copper earth link , color coded interconnecting wire set of suitable rating and din bar,masking sheet, making internal DB terminations with copper lugs, Ferrules, detachable gland plate, including making connections, testing etc. as required. OEM shall have submit NABL / CPRI / ERDA accrediated lab type test reports & All as per pre approved by Engineer in-charge. For additional technical parameters of product / work refer Annexure 'A' attached with this BSR |
| 61 | (55.10.3) Metal door (Three phase) IK-09 and IP-43 with Metal end box |
| 62 | (55.10.3.1) 4 Way |
| 63 | (55.13) P&F metal clad / Plastic industrial plug top & socket unit with pin and sleeve type contact on porcelain/ bakelite base in Recessed/surface mounting heavy duty Enclosure made out from Galvanized steel / CRCA sheet not less then 1.2 mm thick conforming to IS-8623-1 & 3 / IEC 61439- 1 & 3. powder painted (without MCB) including making connections, testing etc.as required.For additional technical parameters of product / work refer Annexure 'A' attached with this BSR |
| 64 | (55.13.3) 20 amp, 3 pin + scrapping Earth, 4 Module |
| 65 | (55.13.4) 32 amp, 5 pin + scrapping Earth, 8 Module |
| 66 | (68.15) Supply and fixing of LT Distribution Kiosk confirming to IS:13947/1993/ IEC 60947 Pt.3 amended up-to-date and as per DISCOM specifications made of 2 mm thick powder coated CRCA sheet of 415 volts 3 phase 4 wire triple pole and neutral type, complete in all respect as required. Including Incoming Switch Disconnector Fuse unit, Aluminium Busbar with copper one piece U contacts base, brass studs and nuts, copper busbar for main and interconnection, MS Channel frame of 75 mm x 40 mm grouted with C.C. of M-10 grade to achieve the height of 1.5 feet above the road level suitable for required no. outgoing. All as per pre approved by Engineer in-charge.For additional technical parameters of product / work refer Annexure 'A' attached with this BSR |
| 67 | (68.15.2) 400 Amp. LT Distribution Kiosk for 250/315 KVA Transformer |
| 68 | (72.2) SITC of star rated Aluminium wound distribution Transformer of following rating 11/0.433KV Delta-Star Connected, Vector Group Dyn 11,ONAN Cooled & as per BEE star - 1 & BIS approved as per IS 2026- 1977 & losses as defined as per 2014 (Fourth Revision) Level-1 . including standard accessories like conservator, silica gel breather, radiator, fins, HT cable box & LT cable boxes, temperature rise in winding/oil 35-40 degree C upto 200 KVA & 40-45 degree C for above 200 KVA, ISI marked drain valve, Dial type Temperature gauge, first filling of transformer oil as per IS :335-1953, Epoxy based paint, including carrying of pre-commission Testing & Charging of Transformer complete in all respect .The Transformer shall be subjected to routine factory tests (as per IS:2026 and IS:1180) including testing from CTL of discom before charging of transformer & complete installaion must be certified from Electrical Inspectorate office as per Indian Electricity rule, (CTL testing charges and Electrical Inspection charges shall be reimbursed by the department to the contractor). All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \\"A\\" attached with this BSR . |
| 69 | (72.2.4) 200 KVA |
| 70 | (62.1) Providing & Laying XLPE insulated three core Armoured Aluminium cable for working voltage 11 K.V.(E) confirming IS :7098 P - 2 with H4- Grade electrolytic aluminium conductor confirming to IS: 8130 class-2 of purity >99.6 %, Insulation Screening: Extruded Semiconducting Compound followed by helically wrapped Copper Tape, round / flat strip armouring of cables , Inner / outer sheath PVC type ST-2 confirming to IS:5831 in existing RCC / Hume / Stoneware / PVC pipe/ open duct/cable trench / Cable tray including testing etc. as required of following size. OEM must have it's own in house NABL accrediated Laboratory for testing procedure as per IS:10810 All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \\"A\\" attached with this BSR . |
| 71 | (62.1.1) 3 core 95.0 Sq.mm |
| 72 | (72.6) SITC of Indoor Type Floor mounted metal clad 11 KV, 630 Amps 3phase, 50 Hz Vacuum Circuit Breaker (VCB) Panel Fabricated inVCB Manufacturer's own Factory as per IEC 62271-1,100,200Standard made from Powder painted pre-fabricated, CRCA sheetsteel /High quality Aluminium-Zinc (Aluzinc) coated sheet steel.Fabrication shall be done through CNC turret press and CNCbending machine having a rupturing capacity of 500 MVA, 26.3 KAbreaking capacity for 3 sec, Internal arc type tested for 26.3KA for 1sec with AFLR clasification totally enclosed with Aluminium bus barof 630 Amps for each phase, flush front, Horizontal isolation,Horizontal drawout type with Electrical and Mechanical interlockand automatic safety shutter gear including padlocking arrangement,isolation plugs, assambly of 3 vaccum interrupters (VCBmanufacturer's own make) , with each pole individually encapsulatedby epoxy insulations to make it dust proof and self - aligning fingertype isolating contacts, truck having integral racking with necessaryinterlocks (for insertion and removing of VCB), manual andautomatic motor charged independent closing/ tripping spring , tripfree operating mechanism with closing and tripping push buttonsand mechanical breaker. interconnected with HT sleeve bus bar of 630 Amps , BasicInsulation level (BIL) : 28KV (RMS) / 75KV (Peak) and Altiude less than 1000 meters, including all protection, indication, Operation, monitoring and control and accessories etc. as required. .Factory Tests of VCB panel as per OEM's QAP in it's own Manufacturing facility shall be witnessed by department Engineer virtually / Physically. (Cost of RCC Foundation / Steel Structure to be paid Extra) All as per pre approved by Engineer in-charge. For additionaltechnical parameters of products/ work , refer Annexure \\"A\\" attached with this BSR . |
| 73 | (72.6.1) Incoming Cum Outgoing Panel comprising of Side cable box &Transformer Auxiliary protection and comprising of following.- VCB 630 Amps . VI of VCB should be sealed for 30000 operation.VCB operationg mechanism should be of M2 duty for minimum10000 mechanical operation.- Closing & tripping coil of VCB should be of continious rating toachive minimal failure.- Resin Cast type CT having Ratio : 400-200A/ 1-1 A, Core1: 5P20,5 VA; Core 2: 0.5, 5 VA (How ever CT Ratio shall be decided as perload requirement)- VT Ratio: 11KV/1.732/110V/1.732/110V/1.732, -Core 1: 0.5, 20VAshould be floor mounted and to be connected from the back side ofthe panel.- Numerical relay (should be VCB manufacturer's own make) havingprotections of 50,51, 50N,51N,TCS. The relay shall have Please Enable Macros to View BoQ information |
