
Cross-linked polyethylene insulation enhances electrical properties, ensuring reliable power distribution. These cables of ours are suitable for various applications, offering durability and flexibility.

Ethylene propylene rubber insulation of Yuantong provides excellent flexibility and resistance to environmental factors. Ideal for demanding conditions, these cables ensure reliable medium-voltage power transmission.

With our robust mineral insulation design, our MI cables excel in fire resistance and reliability. Suited for critical applications, they offer enhanced safety and durability.

Yuantong traditional paper-insulated cables with lead covering ensure effective insulation and protection. PILC cables still find use in specific applications requiring robust construction.

Utilizing gas, such as SF6, for insulation, our cables offer compact designs suitable for high-density urban areas. They provide reliable and efficient medium voltage power distribution.

Incorporating superconducting materials, HTS cables minimize electrical losses, enabling efficient power transmission. These advanced cables are suitable for demanding applications, offering enhanced performance and sustainability.
Total Factory Area
Company Employee
Million USD Turnover
Years of Experience
Yuantong specializes in manufacturing reliable medium voltage cables, offering a diverse range of products for efficient power distribution. As a trusted brand, Yuantong ensures quality with advanced insulation materials and robust designs, meeting industry standards for safety and performance in applications such as industrial settings, substations, and infrastructure projects.
Our voltage rating for medium voltage cables ranges from 1 kV to 69 kV or higher, depending on the application.
High conductivity materials like copper (minimum 98% IACS) or aluminum (minimum 61% IACS) ensure efficient power transmission.
An insulation resistance of at least 1000 MΩ/km helps prevent leakage and maintain cable integrity.
Yuantong’s medium voltage cables find application in diverse sectors such as industrial plants, infrastructure projects, and power distribution networks. Renowned for reliability, these cables ensure efficient and safe medium voltage power transmission, meeting the demanding requirements of modern electrical systems.
| Component | Description |
| Conductors | Copper or aluminum, stranded for flexibility and high conductivity. |
| Insulation | XLPE or EPR insulation, thickness based on voltage rating. |
| Shielding | Metallic shielding (copper or aluminum) for EMI protection and electrical continuity. |
| Insulation Shield | Semiconducting layer between insulation and metallic shielding. |
| Metallic Layer | Optional layer for additional protection and grounding. |
| Jacket | Outer layer made of PVC or thermosetting compounds for environmental protection. |
| Tapes and Fillers | Non-conductive materials to separate layers and enhance mechanical properties. |
| Moisture Barrier | Layer to prevent water ingress (if applicable). |
| Armor | Galvanized steel or similar for mechanical protection. |
| Identification Marking | Printed information about voltage, manufacturer, and standards compliance. |
Medium voltage (MV) cables typically operate in the voltage range of 1 kV to 69 kV, while high voltage (HV) cables handle voltages above 69 kV. HV cables are designed for more demanding applications, longer transmission distances, and higher power capacities. The key distinction lies in the voltage range, with HV cables being suitable for ultra-high voltage applications and long-distance power transmission.
The color coding of medium voltage cables varies globally, but common colors include black, orange, and red. These colors help identify the voltage level and differentiate medium voltage cables from low and high voltage counterparts. Always adhere to local standards and regulations for accurate color-coding information in specific regions.
A medium voltage cable is shielded with a metallic layer, usually made of copper or aluminum, to provide protection against electromagnetic interference (EMI) and ensure electrical continuity. This shielding minimizes the risk of signal distortion and enhances the overall performance and reliability of the cable in diverse applications.