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Copper bare round and rectangular wires are wires without any kind of insulation these are widely used for busbars, alternator, special motors and switch gears. Copper busbars are widely used in distribution panels and circuit breakers. Switchgears on the other hand are used to isolate electrical equipments.
Aluminium Bare Round and Rectangular Wire:Aluminium Bare Round and Rectangular Wire are mainly used as connectors in control panels. A recent technological advance in the industry has led to use of aluminium as an alternative to copper. Nowadays industries are changing their design and incorporating aluminium as it is cost effective when compared to copper.
Metal Type | Electrical Conductivity Grade (EC Grade) Continuous Cast Aluminium Wire Rod ( Conductivity > 61% ) confirming to EN10204, 3.1.b and EN485/1/2/4, 515, 573 |
| Round Wire Dimension | 7.62 mm ( 1 SWG/ 1 AWG) To 0.508 mm ( 25 SWG) / 0.510 mm (24 AWG)Special size accommodated, subject to condition |
| Rectangle Wire Dimensions | Width: 3.00 mm To 16.00 mmThickness : 0.80 mm To 5.00 mmCross sec area: 3.00 Sq.mm To 80 Sq.mmSpecial sizes accommodated, subject to condition |
| Specifications/ Standards | IS 6160 |
Copper Double Paper Covered Round and Rectangular Wire (DPC)Copper double paper covered round and rectangular wire (DPC) are conductors which are an important element in oil cooled transformers, these transformers are vintage styled oil cooled transformer. The DPC conductors have a low thermal index compared to other insulations. Copper DPC round and rectangular wires are mainly used in distribution, power transformers as well as in large power grids.
Metal Type | Electrical Conductivity Grade (EC Grade) Continuous Cast Copper Rod. Chemical properties confirming to Cu-Cath-1 of BSEN 1978:1998/ ASTM B-115:2000 and Physical properties confirming to ASTM B49-2009 |
| Round Wire Dimension | 7.62 mm ( 1 SWG/ 1 AWG) To 0.508 mm ( 25 SWG) / 0.510 mm (24 AWG)Special size accommodated, subject to condition |
| Rectangle Wire Dimensions | Width: 3.00 mm To 16.00 mmThickness : 0.80 mm To 5.00 mmCross sec area: 3.00 Sq.mm To 80 Sq.mmSpecial sizes accommodated, subject to condition |
| Insulation | Electrical Grade Kraft paper |
| Thermal Class | 105C |
| Insulation Thickness (Round Wire) | DPC: 0.100 mm 0.300 mmMPC: 0.300 mm 3.000 mm |
| Insulation Thickness (Rectangular ) | DPC: 0.300mm 0.600 mm |
| Specifications/ Standards | IS 7404-1/ IS 13730-27IEC 60317-27 |
Aluminium Double Paper Covered Round and Rectangular Wire (DPC) are also used in oil cooled low voltage transformers. Use of aluminium is on a rise, as an alternative to copper because of cheap metal price as well as technological advances in producing high quality EC grade high conductive aluminium wire rods.
Aluminium Double Fibre Glass conductor is been increasingly in use nowadays. Good Electrical, Thermal and mechanical properties of Copper Fibre Glass conductor has inspired designers to try Aluminium instead of copper, and were successful in creating it. Aluminium Double Fibre Glass is feasible, cost effective and has good thermal, electrical and mechanical properties. Aluminium Double Fibre Glass conductors are used in small and medium dry type transformers, power reactor as well as UPS transformers.
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Metal Type |
Electrical Conductivity Grade (EC Grade) Continuous Cast Aluminium Wire Rod ( Conductivity > 61% ) confirming to EN10204,3.1.b and EN485/1/2/4, 515, 573 |
|
Round Wire Dimension |
7.62 mm ( 1 SWG/ 1 AWG) To 3.657 mm ( 9 SWG) / 3.664 mm (7 AWG) |
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Rectangle Wire Dimensions |
Width: 3.00 mm To 16.00 mm |
|
Insulation |
E – Type Fibre Glass Yarn with low alkali content and high strength, corrosion resistant, good thermal conductivity, high heat and fire resistant. |
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Thermal Class |
Class – F ( 155Degree)/ Class – H (180 Degree)/ Class – C ( 200 Degree) |
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Insulation Thickness (Round Wire) |
0.080 mm – 0.150 mm |
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Insulation Thickness (Rectangular ) |
0.100 mm – 0.600 mm |
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Specifications/ Standards |
IS 13730-31/ IS 13730-32/ IS 13730-33 |
Belur Industrial Area, Dharwad, Karnataka 