Single Core Aluminum Conductor 12/20kV XLPE Insulated Power Cable IEC 60502 for Substation Projects
| Conductor Material: | Nhôm | Core: | Lõi đơn |
| Voltage Rating: | 12/20kV (Um=24kV) | Insulation Material: | XLPE (Polyethylene liên kết ngang) |
| Standard: | IEC 60502-2 | Cross-section Area: | 50mm 2, 70mm 2, 95mm 2, 120mm 2, 150mm 2, 185mm 2, 240mm 2, 300mm 2, 400mm 2, 500mm 2, 630mm 2 |
| Conductor Type: | Nhôm nén tròn bị mắc kẹt | Screen: | Màn hình băng đồng / dây đồng |
| Sheath Material: | Vỏ ngoài PVC / PE | Operating Temperature: | 90°C (Bình thường), 250°C (Ngắn mạch) |
| Installation Temperature: | Không dưới 0°C | Bending Radius: | Đường kính cáp 20 x |
| Application: | Trạm biến áp, phân phối điện công nghiệp, lắp đặt ngầm | ||
| High Light: | Aluminum Conductor Core,Medium Voltage 12/20kV,XLPE Single Core Cable |
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Product Introduction
Single Core Aluminum Conductor 12/20kV XLPE Insulated Power Cable is a medium voltage cable engineered for reliable power transmission in demanding environments. Manufactured in compliance with IEC 60502-2 standards, this aluminum conductor cable offers an optimal balance of electrical performance, mechanical strength, and cost efficiency for medium voltage power distribution networks.
The cable features stranded compacted aluminum conductor, XLPE (Cross-linked Polyethylene) insulation, copper tape or wire screening, and PVC/PE outer sheath. It is widely used in:
- Substation Projects — Primary and secondary power distribution within electrical substations
- Industrial Power Transmission — Reliable MV power supply for factories and processing plants
- Underground Distribution Systems — Direct burial and cable trench installations in urban infrastructure
- Infrastructure EPC Projects — Power backbone for metro, airport, and large-scale construction developments
Designed as a solution-oriented product, this XLPE power cable meets the strict requirements of medium voltage cable applications while offering the lightweight and cost-effective benefits of aluminum conductor technology.
Application Scenarios
| Industry | Application Scenario | Recommended Product Features |
|---|---|---|
| Power / Utility | Substation interconnection, grid distribution | Aluminum conductor, XLPE insulation, copper screen |
| Mining | Mine power supply, underground tunnel distribution | Mechanical protection, flame retardancy, abrasion resistance |
| Oil & Gas | Refinery power distribution, petrochemical plant | Chemical resistance, UV resistance, armored option |
| Infrastructure | Metro systems, airport terminals, EPC projects | LSZH sheath, fire resistant, underground rated |
| Industrial | Factory MV distribution, processing plants | High current capacity, long service life, robust construction |
Technical Parameters
| Parameter | Specification |
|---|---|
| Voltage Rating | 12/20kV (Um=24kV) |
| Conductor Material | Aluminum (Stranded Circular Compacted) |
| Conductor Cross-section | 50mm² - 630mm² |
| Insulation | XLPE (Cross-linked Polyethylene) |
| Screen | Copper Tape / Copper Wire Screen |
| Outer Sheath | PVC (ST2) / PE (ST7) |
| Standard | IEC 60502-2 |
| Max Operating Temperature | 90 °C |
| Short-circuit Temperature | 250 °C (max 5s) |
| Min Installation Temperature | 0 °C |
| Min Bending Radius | ≥ 15 x Cable Diameter |
| Installation Method | Underground Installation, Direct Burial, Cable Trench |
Cross-Section Specification Table
| Cross-section (mm²) |
Conductor Diameter (mm) |
Insulation Thickness (mm) |
Sheath Thickness (mm) |
Approx Overall Diameter (mm) |
Approx Weight (kg/km) |
Current Rating (A) | |
|---|---|---|---|---|---|---|---|
| In Air | Buried | ||||||
| 1x50 | 8.3 | 5.5 | 1.8 | 22 | 57 | 199 | 182 |
| 1x70 | 9.8 | 5.5 | 1.8 | 24 | 70 | 247 | 224 |
| 1x95 | 11.4 | 5.5 | 1.8 | 25 | 87 | 300 | 268 |
| 1x120 | 12.8 | 5.5 | 1.8 | 27 | 105 | 347 | 307 |
| 1x150 | 14.2 | 5.5 | 1.9 | 29 | 119 | 394 | 341 |
| 1x185 | 15.8 | 5.5 | 1.9 | 30 | 140 | 449 | 386 |
| 1x240 | 18.0 | 5.5 | 1.9 | 34 | 171 | 528 | 443 |
| 1x300 | 20.2 | 5.5 | 2.0 | 37 | 204 | 602 | 498 |
| 1x400 | 23.0 | 5.5 | 2.1 | 41 | 252 | 684 | 557 |
| 1x500 | 25.8 | 5.5 | 2.1 | 44 | 309 | 784 | 627 |
| 1x630 | 29.0 | 5.5 | 2.1 | 47 | 376 | 890 | 708 |
Note: Current ratings are based on standard installation conditions (30 deg C ambient air temperature, 20 deg C ground temperature). Custom cross-sections available upon request.
Engineering Advantages
- Cost-Effective Aluminum Conductor: Optimized aluminum alloy conductor provides excellent conductivity-to-weight ratio, reducing both material cost and cable weight for easier handling and installation in large-scale projects.
- XLPE Insulation Performance: Cross-linked polyethylene insulation offers superior dielectric strength, low dielectric loss, and excellent thermal stability at operating temperatures up to 90°C, ensuring reliable medium voltage power transmission over decades of service.
- Underground Installation Ready: Engineered for direct burial and cable trench installation with robust PVC/PE outer sheath providing moisture resistance, mechanical protection, and long-term underground durability.
- Chemical & UV Resistance: Outer sheath material resists chemical exposure, UV degradation, and environmental stress cracking — suitable for harsh industrial and outdoor environments.
- Flame Retardant Performance: Available with flame retardant sheath options meeting IEC 60332 requirements for enhanced fire safety in industrial and infrastructure projects.
- EPC Project Optimization: Designed for industrial power distribution and infrastructure EPC projects, reducing total cost of ownership while maintaining full IEC compliance.
Standards & Certifications
| Standard | Description |
|---|---|
| IEC 60502-2 | Power cables with extruded insulation for rated voltages from 6kV to 30kV |
| IEC 60228 | Conductors of insulated cables |
| IEC 60332 | Tests on electric cables under fire conditions |
| CE | European Conformity marking |
| ISO 9001:2015 | Quality Management System certification |
| ISO 14001 | Environmental Management System |
Third-party inspection reports and testing certificates are available upon request. All cables undergo routine testing including partial discharge test, voltage test, and conductor resistance measurement before shipment.
Frequently Asked Questions
Q: What is the difference between XLPE and PVC insulated cable?
XLPE (Cross-linked Polyethylene) insulation offers significantly higher operating temperature (90°C vs 70°C for PVC), better dielectric properties, higher current carrying capacity, and longer service life. XLPE is the preferred choice for medium voltage applications (above 1kV) while PVC is typically used for low voltage cables.
Q: Is aluminum conductor cable suitable for underground installation?
Yes, aluminum conductor XLPE insulated cables with proper PVC or PE outer sheath are suitable for underground installation including direct burial and cable trench. The XLPE insulation provides excellent moisture resistance, and the outer sheath offers mechanical protection against soil pressure and environmental factors.
Q: What standards apply to 12/20kV medium voltage cables?
Our 12/20kV cables comply with IEC 60502-2 (power cables with extruded insulation for voltages 6-30kV), IEC 60228 (conductors), and IEC 60332 (flame retardance). Additional standards including BS and ASTM are available upon request for specific regional requirements.
Q: How to select the correct cable cross-section area for industrial projects?
Selection depends on multiple factors: load current (A), voltage drop limits, short-circuit rating, installation method (buried/air), ambient temperature, and grouping factor. Our engineering team provides free sizing calculations — please contact us with your project specifications.
Q: What is the expected service life of XLPE insulated aluminum conductor cable?
Under normal operating conditions (90°C max), XLPE insulated power cables have a design life of 30-40 years. Actual service life depends on installation conditions, load cycling, environmental factors, and maintenance practices.
Technical Downloads
Download technical documentation including datasheet, testing reports, and installation guides:
- 📄 12/20kV-Aluminum-Conductor-XLPE-Cable-Datasheet.pdf
- 📐 Single-Core-MV-Cable-Technical-Drawing.pdf
- 📋 IEC60502-MV-Cable-Testing-Report.pdf
- 📖 Underground-Cable-Installation-Guide.pdf
Contact us for complete documentation, third-party inspection reports, and project-specific technical support.
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