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| Electric Products Divison |
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Products
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| Cable Trays |
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| Perforated Cable Trays |
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Our range of perforated or ventilated trays is offered in drilled and perforated channels. Available in 50 mm lengthwise and a minimum of 25 mm crosswise, the perforated type cable trays are available at widths from 50 mm to 900 mm and are designed for standard support span of 2,500 mm. The perforated type cable trays are made of HR sheets and also from pre galvanised sheets with various thickness and flange heights.
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Materials : Mild steel, Pre galvanised
Finish : Hot dip glavanised, Redoxide, Enamel painted & Power coated.
Length : Standard length to tray is 2500 mm
Steel : As per IS: 2062 /1079
Galvanising : As per IS: 2629/4759
Accessories : The accessories include straight leader, horizontal elbow, horizontal tee, horizontal cross, horizontal reducer, vertical elbow up, inside, vertical elbow down, outside, coupler plate, fasteners, etc. |
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| Ladder Type Cable Tray |
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The Ladder Type Cable Trays are contrived with the width ranging from 150mm to 1200 mm & height ranging from 50 mm to 150 mm. The thickness varies from 16 SWG to 10 SWG with all accessories. These trays comprises of two longitudinal side rails connected by individual transverse members called rungs.
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Finish : Hot dip galvanised, Redoxide, Enamel painted & Power Coated
Materials : Mild Steel, Pregalvanised.
Length : Standard length of tray is 2500mm
Steel : As per IS: 2062/ 1079
Galvanising : As per IS: 2629 / 4759
Accessories : The series of accessories include straight ladder, horizontal elbow, horizontal tee, horizontal cross, horizontal reducer, vertical elbow up, inside, vertical elbow down, outside, coupler plate, fasteners etc |
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| Raceways Wireways |
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Raceways are widely used in IT industries to carry networking cables. There are two kinds of raceways that are presented in cable management:
- Floor Raceways
- Ceiling Raceways
The floor raceways are available with dividers to separate the cables.
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The covers are presented in either welded type or screw type. Where as in ceiling raceways, push fit type of cover is offered. These items are either with pre-galvanized or power coated.
Accessories : The collection of accessories include straight ladder, horizontal elbow, horizontal tee, horizontal cross, vertical elbow up, inside, vertical elbow down, outside, junction box, coupler plate, fasteners etc. |
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| Expulsion Fuse Cutout (33 OR 11 KV EXPULSION FUSE LINKS) |
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Scope
This standard specifies requirements for Fuse Links to be used outdoors on 33 OR 11kV, 50Hz ac system for protection and isolation of substation apparatus and sectionalizing purposes.
References
The following documents were referred to during the preparation of this specification. |
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In case of conflict, the requirements of this specification shall take precedence.
IS:9385 : Specification for High Voltage Fuses
For the purpose of this specification, definitions given in IS:9385 shall apply.
One of the fuse links shall be suitable for a.c. system with a maximum system voltage of 36kV and frequency of 50Hz.
Design and Construction
The fuse link shall be buttonhead single tail type designed and constructed as per the requirement of IS:9385
The fuse link shall be suitable for use in distribution fuse cut out, drop out type.
It shall be high-speed designated type K in accordance with IS:9385
The overall length of the expulsion fuse link shall be suitable for a wide range of fuse holders (fuse carriers) used on 33 OR 11kV system
Rating
One of the fuse links shall be of the following ratings:
Rated voltage |
36 KV |
Rated current |
100/ 200 Amps. |
Rated Breaking Capacity |
40kA |
Rate frequency |
50 Hz |
Tests and Inspection
The fuse-links shall be inspected and tested in accordance with the requirements of IS:9385.
Marking, Labelling and Packing
The following information shall be marked indelibly and legibly on the fuse link:
- Manufacturers name or trademark
- Manufacturers type designation
- Rated current and speed designation
- Rated voltage
The marking shall be on the button head as well as on the tube surrounding the fuse element.
Guaranteed Technical Particulars for 33 OR 11 kV Fuse
1 |
Type & Make |
Madhura International |
2 |
Standard to which conform |
IS: 9385/ 1980 |
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Installation |
Outdoor |
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Voltage Rating |
36 kV |
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Frequency |
50 HZ |
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Rated Current |
100/200 Amps. |
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Name of metal of which the exposed metallic parts are composed of: |
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Base |
MS Flat (50X6 mm) |
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Contacts jaw |
Copper |
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Current carrying parts |
Brass/Gun Metal |
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Fuse Barrel |
Mica/ Bakelite tube |
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Terminal Connector |
Aluminium Alloy |
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Contact Holder |
Mild Steel |
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Insulator |
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Make |
RR/ Rajeev/ Hindustan or any reputed make |
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Standard to which conform |
IS: 2544/ 1973 |
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Normal working voltage |
33 OR 11 kV |
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No. of unit per phase |
2 |
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Electrical values |
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One minute power frequency with stand voltage (Dry/ Wet) |
85 kV (Dry) / 75 kV (Wet) |
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Power frequency flashover voltage (Dry/ Wet) |
95 kV (Dry) / 85 kV (Wet) |
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Dry Impulse withstand voltage (+ ve/ - ve) |
170 kV |
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Dry Impulse flashover voltage (+ ve/ - ve) |
170 kV |
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Total creepage distance |
580 mm (minimum) |
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Protected creepage distance per stack |
IS: 2444/ 1973 |
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| Distribution Transformer |
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Specifications:
- 3 phase, 50 Hz in voltages of 11kV, 22kV and 33kV
- Off-circuit tap changer to provide +5% to 10%
- taps in steps of 2.5%
- On-load tap changer to provide +7% to 21% taps
- in steps of 1.75%
- Class A insulated
- Vector group Dyn 11
- Continuous duty
- Copper wound
- Painting as per IS/IEC standards
- HV side cable box
- LV side cable box/bus duct
- Standard fittings as per IS 2026/IEC 76
Features:
- Designed for 25 years of trouble-free performance
- Design conforms to IS 2026, BS 171, IEC 76 and other relevant standards
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- Low power loss and low noise
- Designed to withstand electrical impulses, thermal and dynamic stresses
- Optimum utilization of active materials for compactness
- Modern manufacturing techniques ensure cost effectiveness and reliability
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Sr. No. |
Rating |
Overall Dimensions (mm) |
Oil |
Total Wt. |
%Z |
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KVA |
Length (L) |
Breadth (B) |
Height (H) |
Litres |
Kg |
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1 |
100 |
1320 |
850 |
1660 |
190 |
700 |
4.50 |
2 |
160 |
1320 |
1180 |
1660 |
215 |
865 |
4.50 |
3 |
200 |
1320 |
1290 |
1660 |
220 |
950 |
4.50 |
4 |
250 |
1320 |
1840 |
1660 |
245 |
1065 |
4.75 |
5 |
315 |
1800 |
1175 |
1770 |
310 |
1240 |
4.75 |
6 |
400 |
1800 |
1375 |
1770 |
360 |
1470 |
5.00 |
7 |
500 |
1800 |
1775 |
1770 |
380 |
1620 |
5.00 |
8 |
630 |
2055 |
1670 |
1975 |
420 |
1980 |
5.00 |
9 |
750 |
2055 |
1970 |
1975 |
460 |
2260 |
5.00 |
10 |
1000 |
2055 |
2270 |
1975 |
590 |
2910 |
5.00 |
11 |
1250 |
2100 |
2300 |
2300 |
665 |
3415 |
5.00 |
12 |
1600 |
3070 |
2350 |
2435 |
870 |
4230 |
6.25 |
13 |
2000 |
3100 |
2550 |
2435 |
920 |
5130 |
6.25 |
14 |
2500 |
3180 |
2600 |
2600 |
1100 |
5900 |
6.25 |
15 |
3150 |
3250 |
2690 |
2860 |
1340 |
7100 |
6.25 |
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| Note: Due to constant improvement in the products, Madhura International, reserves the right to change specifications and details mentioned here. |
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| Electric Cables |
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| We supply the below range of cables: |
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| XLPE Insulated Armoured & PVC Sheathed Three Core Power Cable |
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- Stranded Compacted Circular Conductor
- Extruded Conductor Screening
- XLPE Insulation
- Extruded Insulation Screening
- Metallic Screening
- Fillers
- PVC Inner Sheath (Extruded/Tape Wrapped)
- Armour
- PVC Outer Sheath
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| XLPE Insulated Armoured & PVC Sheathed Power Cable |
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- Aluminium Conductor
- LT-XLPE Insulation
- PVC Inner Sheath (Extruded/Tape Wrapped)
- Armour
- PVC Outer Sheath
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| LT PVC Power Cables & Control Cables |
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| Products Range |
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- LT PVC & XLPE Power cables with Copper / Aluminium Conductor (50/1100V)
- LT PVC & XLPE Control Cables (650 / 110V)
- H.T XLPE Cables upto 66 KV
- Instrumentation Cables Screened / Unscreened Type in PVC / LDPE
- Thermo-Couple Compensating & Extension Cables
- FRLS / FR / HR / HFFR / HOFR / Rubber / LDPE Power, Contorl and Instrumentation Cables
- Flexibles & House Wires (Single & Multicore)
- Railway Signalling Cables
- Fire Survival, SEro Halogen Cables
- Telephone cables - Dry & Jelly Filled
- Automobile Cables & Harnesses
- Mining / Welding - Rubber Cables
- EPR / SILICONE / High Temperature Cables
- Submersible Cables / Winding Wires
- Structured Cables / Co-Axial Cables
- Aerial Bunched Cables
- LAN CAT 5 / 5E Cables
- 76/132(145kV) Grade, stranded compact circular aluminum conductor, conductor screened with extruded semiconducting compound, XLPE insulated, insulation screened with extruded semiconducting compound
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