ACSR
Aluminum Conductor Steel Reinforced
ACSR conductors combine high conductivity and mechanical strength using aluminum and steel, offering reliable, cost-effective performance for transmission and distribution—ideal for harsh conditions, compact designs, and high-voltage applications.
ACSR
Aluminum Conductor Steel Reinforced
ACSR conductors combine high conductivity and mechanical strength using aluminum and steel, offering reliable, cost-effective performance for transmission and distribution—ideal for harsh conditions, compact designs, and high-voltage applications.
ACSR
Aluminum Conductor Steel Reinforced
ACSR conductors combine high conductivity and mechanical strength using aluminum and steel, offering reliable, cost-effective performance for transmission and distribution—ideal for harsh conditions, compact designs, and high-voltage applications.
conductor construction
Strong by design.
Efficient in action.
Built for every line.
Engineered for resilient grids and reliable power.
STRANDING
Aluminum 1350-H19 hard-drawn wires (Annealed Aluminum Conductivity of 61.2% IACS)
CORE composition
Galvanized steel core of high tensile strength with zinc coating for enhanced corrosion resistance
1.2x
More mechanical strength than standard aluminum conductors.
1.2x
More mechanical strength than standard aluminum conductors.
1.2x
More mechanical strength than standard aluminum conductors.
~25%
More aluminum cross-sectional area with trapezoidal wire design (ACSR/TW).
~25%
More aluminum cross-sectional area with trapezoidal wire design (ACSR/TW).
~25%
More aluminum cross-sectional area with trapezoidal wire design (ACSR/TW).
~15%
Higher current carrying capacity
~15%
Higher current carrying capacity
~15%
Higher current carrying capacity
50%
Improved corrosion resistance
50%
Improved corrosion resistance
50%
Improved corrosion resistance
APPLICATIONS
For Markets that Move the World
ACSR conductors excel in medium to extra-high voltage transmission, long-distance lines, power distribution, rural electrification, renewable energy integration, substations, and industrial power systems worldwide.
Renewable Energy Transmission
Medium, High and Extra High Voltage Transmission Lines
Upgradation of Transmission and Distribution Lines
Rural Electrification
Substations and Industrial Power Systems
Renewable Energy Transmission
Medium, High and Extra High Voltage Transmission Lines
Upgradation of Transmission and Distribution Lines
Rural Electrification
Substations and Industrial Power Systems
Renewable Energy Transmission
Medium, High and Extra High Voltage Transmission Lines
Upgradation of Transmission and Distribution Lines
Rural Electrification
Substations and Industrial Power Systems
Renewable Energy Transmission
Medium, High and Extra High Voltage Transmission Lines
Upgradation of Transmission and Distribution Lines
Rural Electrification
Substations and Industrial Power Systems
Renewable Energy Transmission
Medium, High and Extra High Voltage Transmission Lines
Upgradation of Transmission and Distribution Lines
Rural Electrification
Substations and Industrial Power Systems
Renewable Energy Transmission
Medium, High and Extra High Voltage Transmission Lines
Upgradation of Transmission and Distribution Lines
Rural Electrification
Substations and Industrial Power Systems
Renewable Energy Transmission
Medium, High and Extra High Voltage Transmission Lines
Upgradation of Transmission and Distribution Lines
Rural Electrification
Substations and Industrial Power Systems
Renewable Energy Transmission
Medium, High and Extra High Voltage Transmission Lines
Upgradation of Transmission and Distribution Lines
Rural Electrification
Substations and Industrial Power Systems
FEATURES
Engineered for Endurance and Efficiency
From high mechanical strength to optimized conductivity, ACSR conductors deliver proven performance across transmission challenges—offering cost-effective, corrosion-resistant, and high-capacity solutions for today's evolving power grid.
High reliability
Strong Core.
Steady Performance.
ACSR’s steel-reinforced core ensures exceptional mechanical strength, reducing breakage risk in harsh weather conditions.
High reliability
Strong Core.
Steady Performance.
ACSR’s steel-reinforced core ensures exceptional mechanical strength, reducing breakage risk in harsh weather conditions.
High reliability
Strong Core.
Steady Performance.
ACSR’s steel-reinforced core ensures exceptional mechanical strength, reducing breakage risk in harsh weather conditions.
Superior Conductivity
Efficient Flow.
Longer Reach.
Hard-drawn aluminum strands deliver efficient current transmission with lower energy loss over long distances.
Superior Conductivity
Efficient Flow.
Longer Reach.
Hard-drawn aluminum strands deliver efficient current transmission with lower energy loss over long distances.
Superior Conductivity
Efficient Flow.
Longer Reach.
Hard-drawn aluminum strands deliver efficient current transmission with lower energy loss over long distances.
Cost-Effective Performance
Lower Losses.
Greater Value.
ACSR offers a low-cost solution with reduced ohmic and corona losses, lowering overall system operating costs.
Cost-Effective Performance
Lower Losses.
Greater Value.
ACSR offers a low-cost solution with reduced ohmic and corona losses, lowering overall system operating costs.
Cost-Effective Performance
Lower Losses.
Greater Value.
ACSR offers a low-cost solution with reduced ohmic and corona losses, lowering overall system operating costs.
Enhanced Corrosion Resistance
Tough Build.
Coastal Ready.
AL-59 alloy variants provide up to 50% higher corrosion resistance—ideal for coastal and industrial environments.
Enhanced Corrosion Resistance
Tough Build.
Coastal Ready.
AL-59 alloy variants provide up to 50% higher corrosion resistance—ideal for coastal and industrial environments.
Enhanced Corrosion Resistance
Tough Build.
Coastal Ready.
AL-59 alloy variants provide up to 50% higher corrosion resistance—ideal for coastal and industrial environments.
Increased Current Capacity
More Power.
Same Size.
ACSR/TW designs deliver up to 25% more aluminum cross-sectional area, increasing ampacity without increasing conductor diameter.
Increased Current Capacity
More Power.
Same Size.
ACSR/TW designs deliver up to 25% more aluminum cross-sectional area, increasing ampacity without increasing conductor diameter.
Increased Current Capacity
More Power.
Same Size.
ACSR/TW designs deliver up to 25% more aluminum cross-sectional area, increasing ampacity without increasing conductor diameter.
Lightweight Efficiency
Less Weight.
Longer Spans.
Optimized aluminum-to-steel ratio allows for longer spans, reduced sag, and lighter overall structure.
Lightweight Efficiency
Less Weight.
Longer Spans.
Optimized aluminum-to-steel ratio allows for longer spans, reduced sag, and lighter overall structure.
Lightweight Efficiency
Less Weight.
Longer Spans.
Optimized aluminum-to-steel ratio allows for longer spans, reduced sag, and lighter overall structure.
Low Expansion Rate
Thermal Control.
Tension Maintained.
Steel core minimizes thermal expansion, maintaining tension and clearance under high load and temperature fluctuations.
Low Expansion Rate
Thermal Control.
Tension Maintained.
Steel core minimizes thermal expansion, maintaining tension and clearance under high load and temperature fluctuations.
Low Expansion Rate
Thermal Control.
Tension Maintained.
Steel core minimizes thermal expansion, maintaining tension and clearance under high load and temperature fluctuations.
Environmental Integration
Low Profile.
High Performance.
Non-specular surface finish reduces visual impact and improves emissivity, enhancing performance in diverse environments.
Environmental Integration
Low Profile.
High Performance.
Non-specular surface finish reduces visual impact and improves emissivity, enhancing performance in diverse environments.
Environmental Integration
Low Profile.
High Performance.
Non-specular surface finish reduces visual impact and improves emissivity, enhancing performance in diverse environments.
variations
Variants That Match Your Vision
Multiple ACSR profiles, optimized for different conditions — from mechanical stress to conductor size, climate resistance, and voltage class.
ACSR
TW/Rook
ACSR
TW/Rook
ACSR
TW/Rook
ACSR
Non-Specular
Lapwing
ACSR
Non-Specular
Lapwing
ACSR
Non-Specular
Lapwing
ACSR
Drake
ACSR
Drake
ACSR
Drake
ACSR
Non Specular
Bluebird
ACSR
Non Specular
Bluebird
ACSR
Non Specular
Bluebird
ACSR
Bittern
ACSR
Bittern
ACSR
Bittern
Standards
Delivering performance consistency and compliance without compromise.
Committed to ASTM, BS, and IEC requirements, our products uphold global quality standards
FAQs
Got questions? We’ve got answers. Here’s everything you need to know about working with the Sterlite Team.
applications
What are the primary applications of ACSR conductors?
What are the primary applications of ACSR conductors?
What are the primary applications of ACSR conductors?
Can ACSR conductors be used for both transmission and distribution?
Can ACSR conductors be used for both transmission and distribution?
Can ACSR conductors be used for both transmission and distribution?
Are ACSR conductors suitable for renewable energy projects?
Are ACSR conductors suitable for renewable energy projects?
Are ACSR conductors suitable for renewable energy projects?
How do ACSR conductors perform in overhead power line projects?
How do ACSR conductors perform in overhead power line projects?
How do ACSR conductors perform in overhead power line projects?
What advantages do ACSR conductors offer compared to AAC or AAAC?
What advantages do ACSR conductors offer compared to AAC or AAAC?
What advantages do ACSR conductors offer compared to AAC or AAAC?
FEATURES and BENEFITS
What are the key features of ACSR conductors?
What are the key features of ACSR conductors?
What are the key features of ACSR conductors?
How does the steel-reinforced aluminum design improve performance?
How does the steel-reinforced aluminum design improve performance?
How does the steel-reinforced aluminum design improve performance?
What benefits do ACSR conductors provide for power efficiency and reliability?
What benefits do ACSR conductors provide for power efficiency and reliability?
What benefits do ACSR conductors provide for power efficiency and reliability?
Are ACSR conductors corrosion-resistant and durable?
Are ACSR conductors corrosion-resistant and durable?
Are ACSR conductors corrosion-resistant and durable?
How do ACSR conductors reduce transmission losses?
How do ACSR conductors reduce transmission losses?
How do ACSR conductors reduce transmission losses?
Technical Specifications
What is the core construction of ACSR conductors?
What is the core construction of ACSR conductors?
What is the core construction of ACSR conductors?
What are the available conductor sizes, strands, and ampacity ratings?
What are the available conductor sizes, strands, and ampacity ratings?
What are the available conductor sizes, strands, and ampacity ratings?
What is the tensile strength and sag performance of ACSR conductors?
What is the tensile strength and sag performance of ACSR conductors?
What is the tensile strength and sag performance of ACSR conductors?
How do ACSR conductors perform under different environmental conditions?
How do ACSR conductors perform under different environmental conditions?
How do ACSR conductors perform under different environmental conditions?
What is the operating temperature range for ACSR conductors?
What is the operating temperature range for ACSR conductors?
What is the operating temperature range for ACSR conductors?
certification and standards
Which standards do your ACSR conductors comply with?
Which standards do your ACSR conductors comply with?
Which standards do your ACSR conductors comply with?
Are ACSR conductors certified for high-voltage transmission projects?
Are ACSR conductors certified for high-voltage transmission projects?
Are ACSR conductors certified for high-voltage transmission projects?
What quality control processes ensure conductor reliability?
What quality control processes ensure conductor reliability?
What quality control processes ensure conductor reliability?
How are corrosion, fatigue, and mechanical strength tested?
How are corrosion, fatigue, and mechanical strength tested?
How are corrosion, fatigue, and mechanical strength tested?
Do ACSR conductors come with warranties or guaranteed performance?
Do ACSR conductors come with warranties or guaranteed performance?
Do ACSR conductors come with warranties or guaranteed performance?
procurement and ordering
What conductor lengths and packaging options are available?
What conductor lengths and packaging options are available?
What conductor lengths and packaging options are available?
Can you supply custom ACSR conductors for specific projects?
Can you supply custom ACSR conductors for specific projects?
Can you supply custom ACSR conductors for specific projects?
What is the typical lead time and delivery process?
What is the typical lead time and delivery process?
What is the typical lead time and delivery process?
Are bulk order discounts or project-based pricing available?
Are bulk order discounts or project-based pricing available?
Are bulk order discounts or project-based pricing available?
How do you support large-scale transmission or distribution projects?
How do you support large-scale transmission or distribution projects?
How do you support large-scale transmission or distribution projects?
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Designed and Developed by Figure&Plot
Empowering humanity by addressing the toughest challenges of clean energy delivery
get updates
follow us
Designed and Developed by Figure&Plot
Empowering humanity by addressing the toughest challenges of clean energy delivery
get updates
follow us
Designed and Developed by Figure&Plot