High Temperature Thermal Resistant Alloy Conductor
These are high ampacity conductors with inner core composed of Aluminium clad Invar Wire. INVAR is a metal alloy with 36% Ni in Steel. & outer layer composed of Super Thermal Resistant Aluminium alloy with round or trapezoidal shaped wires.
Aluminium-Zirconium wires (Type-AT3), concentrically stranded over a Aluminium Clad Invar Steel core.
| SR. NO. | DESCRIPTION | RANGE |
|---|---|---|
|
1 |
Conductor Area |
200 mm2 to 900 mm2 |
|
2 |
Conductor construction |
26 AT3/ 7 INVAR to 54 AT3/ 1 9 INVAR |
|
3 |
Conductivity of Al Alloy (STAL) |
60.0 % IACS |
At a temperature of 20°C (68°F), the density of hard-drawn aluminium has been taken as 2.703 g/cm (168.74 lb/cf) and for steel wire 6.59 g/cm3 (485.69 lb/cf).
| SR. NO. | DESCRIPTION | RANGE | |
|---|---|---|---|
|
1 |
Permissible Temp in continuous opreation |
210°C |
410°F |
|
2 |
Temp in a short circuit (duration up to 5s) |
250°C |
482°F |
Note: The Catalogue Conductor Parameter are informative and can be customized as per Project Requirements
Values based on following Specifications:
Thermal-resistant aluminium alloy wires (Type-AT3) for overhead line conductor as per IEC 62641 | Concentric lay overhead electrical stranded conductors IEC 61089, IEC 62219 or ASTM B779 | Aluminium-clad steel wires for electrical purposes IEC 1232 & More
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