HTLS Conductors

Why Choose Us?

A next-generation high-performance overhead conductor engineered to carry significantly higher current with minimal sag

Corrosion-Resistant Core

Special Steel/ Invar Core/ Carbon Fibre Composite/ core clad in aluminium for superior protection against rust and pollutants.

High Tensile Strength

Special Steel/ Invar Core/ Carbon Fibre Composite/ core clad aluminium construction delivers low sag and excellent mechanical support under load.

  Optimized Conductivity

 Outer aluminium layers maintain low DC resistance, ensuring efficient power flow.

Reliable Load Capacity

Built for high tensile strength and durability, delivering reliable performance over long spans and heavy loads.

Wide Temperature Range

Reliable performance 280 °C, with rated short-circuit tolerance above 150 °C.

Extended Service Life

Thermal-resistant aluminium strands combined with advanced high-strength cores provide excellent resistance to thermal ageing, corrosion, and mechanical fatigue, ensuring long service to minimizing maintenance needs.

Applications

  • Long-span transmission and distribution lines
  • Coastal and industrial zone networks with high corrosion risk
  • Railway electrification and tramway feeders
  • Renewable energy evacuation from wind and solar farms
  • Retrofit projects on existing tower structures

Applicable Standards

  • ASTM B502 – Specification for aluminium-coated steel-reinforced conductors.
  • ASTM B857 – High-temperature aluminum-zinc coated steel core specification.
  • ASTM B609 – Requirements for aluminum 1350 hard-drawn electrical wire.
  • BS EN 50540 – High-temperature low-sag conductor performance and testing requirements.
  • ASTM B233 – Specification for aluminum 1350 round electrical wire.
  • IEC 62004 – Standard for high-temperature conductor thermal and mechanical performance.

Technical Specifications

Properties HAL (Hard drawn 1350 Al) Anealed Aluminium TAL (Thermal Alloy Al Zr) STAL (Super Thermal Alloy Al Zr)
Tensile Strength in MPa 160 60 160 160
Conductivity % IACS 61 63 60 60
Continuous Operating Temperature 80 250 150 210
Emergency Operating Temperature 120 180 240
Conductor ACSR TACSR STACIR
Ampacity X1 x1.5 X2

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