ACSR Cable
- ACSR (Aluminum Conductor Steel Reinforced) cable represents the pinnacle of power transmission technology, combining decades of engineering excellence with cutting-edge manufacturing standards. As a trusted name in the electrical infrastructure industry, RS has developed an ACSR cable solution that delivers optimal performance for overhead power transmission and distribution systems worldwide.
- The innovative design of RS ACSR cable features high-purity aluminum strands concentrically stranded around a galvanized steel core, creating a composite conductor that maximizes both electrical efficiency and mechanical strength. This unique construction makes RS ACSR cable the preferred choice for utilities, industrial facilities, and infrastructure projects requiring reliable, high-capacity power transmission across varying terrains and environmental conditions.
Product Introduction
Compact ACSR
Compared to ordinary round ACSR, C-ASCR has a smaller outer diameter, smoother surface, lower wind resistance and corona loss, and is more expensive, making it very suitable for high-voltage and ultra-high-voltage transmission lines with the same conductive cross-section.
ACSR Product Winding
This is the finished product winding/coiling process in the ACSR (aluminum steel-cored stranded wire) production process, which is also one of the final steps in the entire production process.
ACSR Stranding Line
This is the aluminum wire outer layer stranding/compression forming process in ACSR (aluminum steel-cored stranded wire) production, which is one of the core steps in the manufacturing process.
ACSR Conductor Technical Specifications
- Conductor Cross-Section: 16mm² to 1250mm²
- Breaking Load: 6.08kN to 316.04kN
- DC Resistance: 1.7934Ω/km to 0.0232Ω/km @ 20°C
- Current Capacity: 85A to 1165A
- Operating Temperature: -5°C to +50°C (ambient)
- Wind Pressure Rating: 80-130kg/m²
ACSR construction per ASTM B232 and IEC 61089
| Conductor Name | Stranding (Al/St) | Al Cross Section (mm²) | Steel Cross Section (mm²) | Total Area (mm²) | Overall Diameter (mm) |
|---|---|---|---|---|---|
| ACSR 150/25 | 24/7 | 150 | 25 | 175 | 17.1 |
| ACSR 185/30 | 26/7 | 185 | 30 | 215 | 18.5 |
| ACSR 240/40 | 30/7 | 240 | 40 | 280 | 20.7 |
| ACSR 300/50 | 30/7 | 300 | 50 | 350 | 23.3 |
| ACSR 400/65 | 54/7 | 400 | 65 | 465 | 27.4 |
| ACSR 500/85 | 54/7 | 500 | 85 | 585 | 30.5 |
| ACSR 630/100 | 72/7 | 630 | 100 | 730 | 34.2 |
Key Performance Advantages
Superior Mechanical Strength
The steel reinforcement in RS ACSR cable provides exceptional tensile strength, enabling:
- Long-Span Capability: Spans exceeding 500m between support structures reduce tower requirements and installation costs by up to 30%
- Reduced Sag: Minimal deformation under load ensures consistent performance and safety clearance requirements
- Load Bearing Capacity: Withstands mechanical stresses from wind, ice accumulation, and environmental factors with breaking loads from 6kN to over 300kN
Exceptional Electrical Performance
RS’s ACSR cable design optimizes power transmission efficiency:
- High Conductivity: Aluminum strands minimize resistive losses, with DC resistance as low as 0.0232Ω/km for large conductors
- Current Capacity: Ranges from 85A for distribution applications to 1165A for high-capacity transmission lines
- Voltage Compatibility: Suitable for applications from distribution voltage (11kV-33kV) to ultra-high voltage transmission (up to 1000kV)
Cost-Effectiveness
The strategic material selection offers significant economic benefits:
- Material Efficiency: Aluminum costs approximately 40-60% less than copper while delivering 61% of copper’s conductivity
- Weight Reduction: Approximately 50% lighter than equivalent copper conductors, reducing support structure requirements
- Installation Savings: Lower transportation costs and simplified installation procedures decrease total project costs by 15-25%
Comprehensive Applications of ACSR Cable
RS ABC cables serve diverse industries and applications worldwide. Understanding where and how our cables perform helps customers make informed decisions for their specific needs.
Power Transmission
– Ultra-High Voltage Transmission: 750kV to 1000kV lines for interconnecting regional power grids and transporting electricity over hundreds of kilometers
– High-Voltage Transmission: 110kV to 500kV networks for city-to-city power distribution and major industrial facility supply
– River and Valley Crossings: Exceptional span capability enables efficient crossing of natural obstacles without additional support structures
Distribution Systems
– Primary Distribution: 11kV to 33kV feeders connecting substations to urban and suburban areas
– Secondary Distribution: Lower voltage networks delivering power to residential and commercial customers
– Rural Electrification: Long-distance distribution to remote communities with challenging terrain
Specialized Infrastructure
– Railway Electrification: Overhead catenary systems for electric railways requiring high mechanical strength and wear resistance
– Industrial Complexes: Power distribution within refineries, chemical plants, and manufacturing facilities where durability and reliability are critical
– Renewable Energy Integration: Wind farm and solar plant grid connections requiring long-distance power transmission
– Emergency Power Systems: Temporary transmission lines for disaster recovery and construction projects
RS Quality Assurance and Certification
- IEC 61089: Round wire concentric lay overhead electrical stranded conductors
- ASTM B232: Concentric-lay-stranded aluminum conductors, coated-steel reinforced
- BS EN 50182: Conductors for overhead lines
- GB/T 1179: Chinese national standard for overhead conductors
Quality Control Processes
- Material Testing: All aluminum and steel components undergo rigorous quality verification
- Mechanical Testing: Tensile strength, fatigue resistance, and elongation testing on every production lot
- Electrical Testing: DC resistance, conductivity verification, and current capacity validation
- Corrosion Resistance Testing: Salt spray and environmental exposure testing for harsh condition applications
RS ACSR Cable Product Portfolio
Standard ACSR Conductors, RS offers a comprehensive range of standard ACSR configurations:
- Distribution Grade: 16mm² to 100mm² for local distribution networks
- Transmission Grade: 125mm² to 630mm² for high-voltage transmission
- Extra-High Voltage: 800mm² to 1250mm² for ultra-high voltage applications
Specialized Variants, customized solutions for specific application requirements:
- Anti-Corrosion ACSR: Additional grease protection for coastal and industrial environments
- High-Temperature ACSR: Enhanced thermal performance for increased current capacity
- Aluminum-Clad Steel Core (ACSR/AW): Improved corrosion resistance and conductivity
- Expanded Diameter ACSR: Reduced corona losses for high-voltage applications
Why Choose RS ACSR Cable
- R&D Investment: Ongoing research into advanced materials and construction methods
- Custom Solutions: Engineering support for specialized application requirements
- Technical Support: Comprehensive application guidance and installation assistance
- Quality Control: Every conductor undergoes rigorous testing before shipment
- Traceability: Complete material lot tracking for quality assurance
- Capacity: High-volume production capability for large-scale projects
- Application Engineering: Assistance with conductor selection and specification
- Logistics Support: Global shipping capabilities and inventory management
- After-Sales Service: Technical support and warranty coverage
Other Overhead Cable
ACAR Conductor Cable
ACAR (Aluminum Conductor, Aluminum Alloy Reinforced) conductors are engineered for high-efficiency overhead power transmission and distribution in low & medium voltage networks, combining the high conductivity of aluminum with the superior strength of aluminum alloy cores for optimal performance.
ABC Cable
ABC Cable (Aerial Bundled Cable) is a compact, overhead insulated power cable widely used for low-voltage power distribution in urban, rural, and residential areas.
AAC/AAAC Cable
All Aluminum Alloy Conductor – AAC/AAAC overhead cables are lightweight, cost-effective, and widely used for short-distance power distribution in urban, rural, and residential areas.
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