3 Core XLPE Insulated Power Cable 0.6/1kV IEC 60502 90°C Rated for Industrial Underground Distribution

3 Core XLPE Insulated Power Cable 0.6/1kV | IEC 60502 | YJV / N2XY

XLPE insulated power cables are widely deployed in industrial power transmission, underground distribution systems, commercial building electrical networks, and infrastructure EPC projects. This 3 core XLPE insulated power cable is manufactured to IEC 60502 and VDE 0276 standards, featuring copper conductor, XLPE insulation, and flame-retardant PVC outer sheath — the industry-standard CU/XLPE/PVC construction known as YJV under IEC/GB and N2XY under VDE designation. With a maximum continuous operating temperature of 90°C and a short-circuit rating of 250°C, this XLPE insulated cable delivers reliable 0.6/1kV power distribution across industrial and commercial environments.

The XLPE power cable construction provides superior electrical properties compared to traditional PVC insulation, including higher current carrying capacity (approximately 30% more than equivalent PVC cables), lower dielectric losses, excellent moisture resistance, and an expected service life exceeding 30 years under normal operating conditions. As an IEC 60502 cable designed for underground power cable applications, it is suitable for installation in underground ducts, cable trays, conduits, and cable trench systems commonly specified in industrial and building EPC contracts.

Cable Construction (Inside to Outside)

1. Conductor: Plain annealed copper (CU), Class 1 solid or Class 2 stranded per IEC 60228. 3 cores laid up in parallel with non-hygroscopic fillers for a circular assembly.
2. Insulation: Cross-linked polyethylene (XLPE), color-coded for phase identification per HD 308 S2 (brown, black, grey). XLPE is produced via the silane or peroxide cross-linking process for uniform molecular structure.
3. Bedding / Inner Sheath: Extruded PVC layer over the assembled cores, providing a smooth cylindrical base for the outer sheath and additional mechanical protection.
4. Outer Sheath: Black PVC (polyvinyl chloride), UV-resistant and flame-retardant per IEC 60332-1-2. Resistant to common industrial chemicals, oils, and moisture.

Application Scenarios by Industry

Technical Specifications

Common Conductor Sizes & Current Carrying Capacity (3 Core, YJV / N2XY)

Note: Ampacity values are reference only (30°C ambient air, 20°C ground temperature, trefoil formation, XLPE insulation). Contact us for precise ampacity calculation based on your specific installation conditions, cable grouping, and ambient temperature correction factors. Custom sizes and constructions available upon request.

Engineering Advantages

Suitable for demanding industrial and infrastructure environments, this XLPE insulated cable offers key performance advantages over conventional PVC cables:

• Higher Current Capacity: XLPE insulation enables approximately 30% higher ampacity compared to equivalent PVC-insulated cables at the same conductor cross-section, allowing for more efficient power distribution or smaller cable sizes for the same load.
• Superior Thermal Performance: 90°C continuous conductor temperature (vs 70°C for PVC), with 250°C short-circuit capability. Maintains stable electrical characteristics under sustained high-load conditions common in industrial power distribution.
• Lighter Weight and Easier Handling: Non-armored CU/XLPE/PVC construction is significantly lighter than armored equivalents, reducing installation labor, cable pulling tension, and support structure requirements in cable trays and conduits.
• Excellent Moisture Resistance: XLPE insulation has inherently low water absorption and excellent resistance to water-treeing, making it ideal for underground duct installations and humid industrial environments without the need for metallic moisture barriers.
• Flame Retardant and UV Resistant: PVC outer sheath is formulated for IEC 60332-1-2 flame retardancy and UV resistance for outdoor exposure. LSZH (Low Smoke Zero Halogen) sheath option available for enclosed public spaces and tunnel applications.
• Cost-Effective Solution: For installations in ducts, trays, or conduits where mechanical impact protection is not required, the non-armored construction provides an optimal balance of performance and material cost — ideal for EPC projects with cost optimization requirements.

Standards and Certifications

This XLPE insulated power cable is manufactured and tested in compliance with the following international standards:

Third-party factory acceptance testing (FAT) and inspection services are available through SGS, Bureau Veritas (BV), and Intertek. Testing reports and certification documentation can be provided upon request for project compliance verification.

FAQ

Q: What is the difference between YJV and N2XY cable designation?
A: YJV is the IEC/GB (Chinese) designation for CU/XLPE/PVC power cable, while N2XY is the equivalent VDE (German) designation. Both refer to the identical construction: copper conductor, XLPE insulation, PVC outer sheath. The model number YJV-0.6/1kV and N2XY-0.6/1kV are interchangeable, with YJV commonly used in Asian, Middle Eastern, and African markets, and N2XY preferred in European-influenced markets.

Q: What is the difference between XLPE and PVC insulated cable?
A: XLPE (Cross-Linked Polyethylene) insulation offers superior thermal performance with a 90°C continuous operating temperature versus 70°C for PVC. XLPE cables provide approximately 30% higher current carrying capacity for the same conductor size, lower dielectric losses, better moisture resistance, and significantly longer service life. They are the industry standard for modern industrial power distribution, while PVC cables are typically used in residential or light commercial applications.

Q: Is this non-armored cable suitable for underground installation?
A: Yes, this XLPE insulated cable is designed for underground installation in ducts or conduits. The PVC outer sheath provides moisture and chemical protection. For direct burial applications without ducts, we recommend steel wire armored (SWA) or steel tape armored (STA) versions — available as YJV22/YJV32 models upon request.

Q: How to select the correct cable size for industrial projects?
A: Cable sizing depends on load current, voltage drop limits over distance, short-circuit withstand rating, installation method (air, ground, duct), ambient temperature, and cable grouping factors. We provide free technical sizing support — send us your project parameters (load in kW or A, cable route length, installation type) and our engineering team will recommend the optimal cross-section with detailed calculations.

Q: What is the expected service life of XLPE insulated cable?
A: Under normal operating conditions (90°C maximum conductor temperature, proper installation per manufacturer guidelines), XLPE insulated cables have a design life exceeding 30 years. The cross-linked molecular structure of XLPE provides excellent resistance to thermal aging, moisture, and electrical stress — key factors that determine long-term cable reliability.

Q: Do you offer LSZH (Low Smoke Zero Halogen) sheath versions?
A: Yes, LSZH outer sheath is available as an alternative to standard PVC for YJV/N2XY cables. LSZH cables emit minimal smoke and no toxic halogen gases during combustion, making them suitable for enclosed public spaces, tunnels, metro stations, data centers, hospitals, and high-rise buildings where personnel safety during fire evacuation is a critical design requirement.