Wires and Cables
ACSR
Power your transmission and distribution networks efficiently with our robust ACSR Conductor Cables. Recognized globally for their superior strength-to-weight ratio and excellent conductivity, ACSR (Aluminum Conductor Steel Reinforced) cables are ideal for long-span overhead lines. Our ACSR conductors feature high-strength galvanized steel core strands surrounded by layers of high-purity aluminum. This composite construction provides exceptional mechanical tension capability, reduced sag, and optimal current-carrying capacity over long distances. Widely used in high-voltage transmission lines, sub-transmission lines, and distribution primary circuits, ACSR ensures reliable power delivery and cost-effective infrastructure for diverse utility applications.
1033.5 MCM CURLEW ACSR Conductor Cable
The ACSR 1033.5 MCM Curlew 54/7 is a high-performance, bare concentric-lay-stranded conductor designed for overhead power transmission and distribution lines. Complying with ASTM B232 standards, this conductor features a robust galvanized steel core (Class A or B) for enhanced mechanical strength, surrounded by multiple layers of hard-drawn 1350-H19 aluminum wire for superior electrical conductivity. The Curlew configuration, with 54 aluminum strands and 7 steel strands, ensures an optimal balance of durability and efficiency, making it ideal for long-span transmission lines and primary/secondary distribution networks. Engineered for reliability, ACSR Curlew offers excellent corrosion resistance and customizable aluminum-to-steel ratios to meet specific electrical and mechanical requirements.
1033.5 MCM ORTOLAN ACSR Conductor Cable
The Ortolan ACSR Conductor Cable is a high-capacity overhead conductor designed for efficient power transmission. Named "Ortolan" for its 1033.5 MCM size with 45/7 stranding (45 aluminum wires around 7 steel cores), it combines lightweight aluminum for conductivity with a galvanized steel core for tensile strength. Compliant with ASTM B230, B232, and ICEA standards, this cable offers a breaking load of approximately 32,300 lbs and a current rating up to 1000 amps at 75°C in overhead applications. The aluminum 1350-H19 provides excellent corrosion resistance and low electrical resistance (0.0166 Ω/1000ft at 20°C), while the steel enhances sag control over long spans. Suitable for voltages up to 230kV in distribution lines, the Ortolan ACSR Conductor Cable minimizes line losses and withstands harsh weather, including wind and ice loading. Its cost-effective design makes it popular for utility upgrades and rural electrification, ensuring reliable power delivery with minimal maintenance in overhead transmission and distribution systems worldwide.
1272 MCM BITTERN ACSR Conductor Cable
The Bittern ACSR Conductor Cable is engineered for demanding overhead transmission, with 1272 MCM size and 45/7 stranding configuration. High-purity aluminum (1350-H19) surrounds a galvanized steel core, offering a DC resistance of 0.0143 Ω/1000ft and ampacity up to 1,120A at 75°C. Adhering to ASTM B230 for aluminum and B232 for assembly, it provides excellent corrosion resistance and mechanical integrity for spans up to 300m. The steel core enhances tensile strength (35,900 lbs) to control sag under heavy loads, while aluminum ensures high conductivity (61.5% IACS) and lightweight design for easier installation. Suitable for distribution voltages up to 138kV, the Bittern ACSR Conductor Cable reduces line losses and withstands extreme weather, including ice loads up to 1/2 inch. Its economical profile makes it a staple for utility expansions, renewable integrations, and grid modernization, delivering consistent power with high weather tolerance and minimal maintenance in global overhead networks.
1590 MCM LAPWING ACSR Conductor Cable
The ACSR 1590 MCM Lapwing 45/7 is a high-efficiency, bare concentric-lay-stranded conductor designed for superior performance in overhead power transmission and distribution systems, meeting ASTM B232 standards. It features a galvanized steel core (Class A or B) with 7 steel strands for robust mechanical strength, surrounded by 45 strands of hard-drawn 1350-H19 aluminum wire for excellent electrical conductivity. Ideal for long-span transmission lines and primary/secondary distribution networks, the Lapwing configuration offers exceptional corrosion resistance and customizable aluminum-to-steel ratios to fulfill specific electrical and mechanical demands, ensuring reliable and durable power delivery. Galvanized steel wires used for the core undergo tensile testing, zinc coating thickness measurement, and corrosion resistance evaluation. Dimensional accuracy and surface condition of all materials are verified before approval.
2 AWG SPARATE ACSR Conductor Cable
The 2 AWG SPARATE ACSR (Aluminum Conductor Steel Reinforced) cable, compliant with ASTM B232, ABNT NBR 7270/88, and IEC 61089 standards, is engineered for reliable performance in overhead transmission and distribution systems. Featuring a stranded 1350-H19 aluminum conductor for high conductivity and a single galvanized steel core for enhanced mechanical strength, this cable is ideal for medium to long spans in rural, utility, or open-terrain environments. With a voltage rating of up to 25 kV, an operating temperature range of -10°C to +75°C, and a short-circuit tolerance of up to 150°C (5s), the SPARATE ACSR offers an excellent balance of conductivity, tensile strength, and corrosion resistance. Its lightweight, bare aluminum design with a zinc-coated steel core ensures durability and ease of installation, making it suitable for diverse outdoor conditions. Ampacity is calculated under standard conditions (conductor temperature: 75°C; ambient temperature: 25°C; wind speed: 1 m/s; full sun exposure). Manufactured in accordance with ASTM and IEC standards, the 2 AWG SPARATE ACSR Conductor Cable offers stable quality, easy handling, and long service life, making it suitable for utility distribution networks, rural electrification projects, and overhead line upgrades where dependable performance is required.
2 AWG SPARROW ACSR Conductor Cable
The 2 AWG SPARROW ACSR (Aluminum Conductor Steel Reinforced) cable, compliant with ASTM B232, ABNT NBR 7270/88, and IEC 61089 standards, is engineered for dependable performance in overhead transmission and distribution systems. Featuring a stranded 1350-H19 aluminum conductor for excellent electrical conductivity and a single galvanized steel core for enhanced mechanical strength, this cable is ideal for medium to long-span installations in suburban, agricultural, and utility networks. With a voltage rating of up to 25 kV, an operating temperature range of -10°C to +75°C, and a short-circuit tolerance of up to 150°C (5s), the SPARROW ACSR ensures reliable conductivity, corrosion resistance, and durability under wind and ice loading. Its lightweight, bare aluminum design with a corrosion-resistant steel core simplifies installation and ensures a long service life in diverse outdoor environments. Ampacity is calculated under standard conditions (conductor temperature: 75°C; ambient temperature: 25°C; wind speed: 1 m/s; full sun exposure).
4 AWG SWAN ACSR Conductor Cable
The 4 AWG SWAN ACSR Conductor Cable is a reliable overhead conductor designed for utility distribution and light transmission applications requiring stable electrical performance and mechanical durability. It is manufactured with concentrically stranded aluminum wires reinforced by a galvanized steel core, combining efficient conductivity with added tensile strength. The aluminum strands ensure low resistance and consistent current flow, while the steel core reduces sag, improves load-bearing capability, and enhances resistance to wind and mechanical stress. This construction allows the 4 AWG SWAN ACSR conductor to perform reliably during installation and long-term outdoor service. Produced in accordance with ASTM and IEC standards, the 4 AWG SWAN ACSR Conductor Cable offers uniform quality, easy handling, and dependable service life. It is widely used in overhead distribution networks, rural electrification projects, and utility line upgrades where performance consistency and cost efficiency are essential.
4 AWG SWANATE ACSR Conductor Cable
4 AWG SWANATE ACSR Conductor Cable is designed for overhead power distribution systems requiring dependable electrical performance and enhanced mechanical strength. It is manufactured using concentrically stranded aluminum wires reinforced with a galvanized steel core, ensuring an effective balance between conductivity and tensile durability. The aluminum strands provide low electrical resistance and efficient current transfer, while the steel core improves load-bearing capacity, controls sag, and increases resistance to mechanical stress during installation and operation. This construction allows the 4 AWG SWANATE ACSR conductor to perform reliably under wind load, temperature variation, and outdoor environmental conditions. Produced in accordance with ASTM and IEC standards, the 4 AWG SWANATE ACSR Conductor Cable offers consistent quality, easy handling, and long service life. It is widely applied in utility distribution lines, rural electrification projects, and overhead network upgrades where stable performance and cost efficiency are required.In-Depth Analysis
ACSR cables are built to deliver high efficiency, reliable performance, and advanced safety, helping businesses reduce energy costs while ensuring stable power supply. With future-ready adaptability for renewable energy and smart grid applications, they provide a sustainable and innovative solution for today’s and tomorrow’s power needs.
Comparative Analysis of Efficiency and Loss
Compared to the industry average, acsr cables exhibit lower losses and higher efficiency across the entire load range.
Load Efficiency Comparison(%)
No-load Loss Comparison(W)
High Conductivity Design
High-purity oxygen-free copper or high-quality aluminum conductors are used with smooth surface and low resistance to ensure efficient power transmission and reduce energy loss.
Improved Conductivity
+20%
Reduced Energy Loss
-15%
Insulation Protection System
Use flame-retardant, wear-resistant and corrosion-resistant polymer insulation materials to meet the safe operation requirements in different environments.
Withstand Voltage Level
≥1kV
Flame Retardant Grade
VW-1 / IEC 60332-3
Weather-Resistant & Durable Technology
The outer sheath is made of UV-resistant, heat-resistant, and oil-resistant materials, making it suitable for high and low temperatures, humidity, and long-term outdoor use.
Service Life
≥ 25 Years
Operating Temperature Range
-40°C to +90°C
Safe Flame Retardant System
The multi-layered flame-retardant structure effectively slows the spread of flames and releases low-smoke, halogen-free gases during combustion, reducing secondary hazards.
Flame Retardant Performance
IEC 60332 / UL 1581 Qualified
Smoke Density
Low Smoke ≤50%
Easy Installation & Maintenance
The flexible core and flex-resistant outer sheath provide a small bend radius and high installation efficiency. Color coding and length markings reduce installation and maintenance costs.
Bend Radius
≤6D
Installation Efficiency Improvement
+30%
Intelligent Monitoring
An optional remote monitoring system is available to monitor operating status, temperature, load and other parameters in real time, and supports fault warning and remote diagnosis.
Data Collection Frequency
one times a minute
Fault Warning Accuracy
98%
Environmental Adaptability Analysis
ACSR cables have been rigorously tested and can operate stably under various harsh environmental conditions.
Temperature Range
-40℃ ~ +55℃
Can work normally in extreme high and low temperature environments
Humidity Adaptation
0 ~ 100% RH
Including condensation environment, no frost requirement
Weather Resistance Grade
UV/IEC 60811-501
The outer sheath has excellent UV resistance and aging resistance
Chemical Corrosion Resistance
Oil / Acid / Alkali
Resistant to oil, acid, alkali and some chemical corrosion environments
Why Choose Us
With 30 years of expertise, global certifications, and advanced manufacturing technology, NPC Electric delivers reliable, high-performance acsr cables trusted by industries worldwide.
Strength-to-Weight Ratio for Long Spans
Our ACSR Conductor Cables are engineered for a superior strength-to-weight ratio, making them the ideal choice for demanding long-span overhead lines. The core of high-strength galvanized steel provides robust mechanical support, while the outer layers of lightweight, high-purity aluminum ensure excellent conductivity. This unique composite construction allows for longer spans between towers, significantly reducing the need for costly infrastructure (fewer poles/towers) and minimizing overall installation costs. By choosing our ACSR conductors, you benefit from exceptional sag performance and a more efficient, economical design for your power transmission and distribution networks.
Current-Carrying Capacity & Efficiency
Our ACSR cables deliver exceptional current-carrying capacity and efficiency, crucial for effective power transmission over vast distances. The high conductivity of the aluminum strands ensures minimal energy loss and efficient power transfer, reducing operational costs over the cable's lifespan. We meticulously design our ACSR conductors to optimize thermal performance, allowing them to handle significant current loads without excessive heating. This high efficiency translates into stable voltage delivery and reliable power supply, making our ACSR solutions indispensable for high-voltage lines and ensuring the integrity of your electrical grid infrastructure.
Durability & Weather Resistance
Our ACSR Conductor Cables are renowned for their proven durability and robust weather resistance, ensuring decades of reliable performance in diverse climates. The galvanized steel core provides excellent protection against corrosion, while the high-quality aluminum layers resist oxidation and environmental degradation from UV exposure, extreme temperatures, and pollution. This resilient construction withstands severe weather conditions like high winds, ice loading, and heavy rain without compromise to mechanical strength or electrical performance. By investing in our durable ACSR conductors, you secure a long-lasting, low-maintenance solution for your vital overhead power lines.
Cost-Effective Solution for Grid Development
Choosing our ACSR Conductor Cables represents a highly cost-effective solution for new grid development and existing power line upgrades. The combination of lower material costs (compared to all-aluminum or copper), reduced tower requirements due to longer spans, and minimal maintenance needs contributes to significant lifecycle cost savings. Our ACSR conductors are a globally recognized standard, ensuring widespread compatibility and ease of installation. We provide a reliable and economical choice that optimizes your budget without compromising performance, making our ACSR solutions the smart investment for expanding and modernizing electrical infrastructure.
Product Show
Explore the detailed design and practical application scenarios of aac, aaac, acar, acsr conductor cable
ACSR Conductor Cable
acsr conductor cable structure
AAAC Conductor Cable
aaac conductor cable structure
AAC Conductor Cable
aac conductor cable structure
ACSR Conductor Core Structure
acsr conductor cable core structure
ACAR Conductor Cable
acar conductor cable structure
ACSR Conductor Appearance
acsr conductor cable appearance
AAAC Conductor Cable
aaac conductor cable structure
AAAC Conductor Core Structure
aaac conductor single core structure
Testing and Certification
Tested with precision and certified to meet international standards as
well as strict industry requirements.
Bare Cable Test Report
SGS Inspection Report
Certificate of Acceptance
ISO Quality Certificate
ISO Environmental Certificate
ISO Occupational Certificate
UL Laboratory Certificate
UL Product Certificate
Project Cases
NPC wires and cables have been successfully applied in many projects and have been highly praised by customers.
Peru Solar PV Project
CompletedNPC Electric Delivers Medium-Voltage Cables for Peru Solar PV Project
Country：Peru
Model：HEPRZ1(AS) 1x630 mm² 19/33kV x 6km
Chile El Project
CompletedReliable 19/33kV MV cables ensuring safe, stable, and efficient power transmission for critical projects.
Country：Chile
Model：19/33kV MV Power Cables x 5km
Dominican Edenorte Project
CompletedProvide outdoor power solutions for urban main road reconstruction projects to adapt to complex environments.
Country：Dominican
Model：NPC AAAC Cable & Triplex Cable x 10km
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
FAQ From Customers
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What is an ACSR conductor?
An ACSR conductor stands for Aluminum Conductor Steel Reinforced. It is a type of electrical conductor widely used in overhead power lines and high-voltage transmission systems. ACSR conductors consist of a central steel core surrounded by layers of aluminum wires, which provide excellent tensile strength and high conductivity. This combination allows ACSR conductors to handle long-distance transmission with minimal power loss. -
What is the difference between ACSR and AAAC conductor?
The key difference between ACSR (Aluminum Conductor Steel Reinforced) and AAAC (All Aluminum Alloy Conductor) lies in their construction. ACSR features a steel core for enhanced tensile strength, making it ideal for long spans and high-voltage transmission lines. In contrast, AAAC is made entirely of aluminum alloy, offering better corrosion resistance but with lower mechanical strength compared to ACSR. ACSR is typically used for longer distances, while AAAC is suitable for shorter spans and less demanding environments. -
What are the applications of ACSR conductor?
ACSR conductors are widely used in overhead power lines for high voltage and long-distance transmission. They are commonly found in electricity transmission grids, substations, and power distribution networks. The steel core of ACSR conductors provides the necessary strength to support the weight of the cables over long distances and withstand environmental challenges like wind and ice loads. They are also used in industrial applications where high mechanical strength is needed. -
How does ACSR conductor perform in harsh environments?
ACSR conductor performs exceptionally well in harsh environments due to its steel core, which provides superior tensile strength and resistance to mechanical stress. These conductors are particularly suitable for regions with extreme weather conditions, such as areas prone to heavy winds, snow, and ice loads. The aluminum outer layer offers good corrosion resistance, though additional coatings or protection can be applied to further enhance performance in coastal areas or highly corrosive environments. -
What are the advantages of using ACSR conductors for power transmission?
ACSR conductors offer several advantages, including high tensile strength, excellent electrical conductivity, and cost-effectiveness. The combination of steel and aluminum allows ACSR conductors to span long distances without sagging, reducing the need for additional support structures. They also offer greater reliability in high voltage transmission due to their ability to carry large currents with minimal energy loss. ACSR conductors are an ideal choice for overhead transmission lines, providing both durability and long-term performance.
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