Na2xs2y cable is a 3-core copper conductor cable suitable for medium and high-voltage power transmission. Its design and performance parameters fully meet the transmission requirements of different voltage levels such as 10kV, 20kV and 35kV, providing stable and reliable power guarantee for industrial, municipal and large-scale energy projects.​ The core conductor of the cable is made of high-quality copper material, which has excellent electrical conductivity, can effectively reduce energy loss during power transmission, and ensure the efficiency of power transmission. The 3-core structure design makes it perfectly suitable for three-phase power systems. Each core conductor has a cross-sectional area of 240mm². This specification of conductor can carry large current, meet the current-carrying requirements in medium and high-voltage transmission scenarios, and adapt to various high-power equipment and long-distance transmission needs.​ The insulation layer is made of cross-linked polyethylene (XLPE) material, which endows the cable with excellent electrical performance and durability. XLPE has extremely high insulation resistance and electrical strength, and can work stably under different voltage levels such as 10kV, 20kV and 35kV, effectively isolating the conductor from the external environment and preventing faults such as leakage and breakdown. At the same time, XLPE material has good temperature resistance, can maintain stable performance in high temperature environment, and adapt to complex working conditions, such as high-temperature industrial workshops, underground tunnels and other environments. In addition, XLPE has strong chemical stability, is not easy to be affected by corrosive substances such as acid, alkali and oil, and greatly prolongs the service life of the cable.​ The overall structure design of Na2xs2y cable takes both safety and practicability into account. The reasonable arrangement of 3-core conductors not only reduces electromagnetic interference, improves the stability of power transmission, but also facilitates installation and laying, and can adapt to various installation methods such as underground direct burial, pipeline laying and cable trench laying. Its solid outer structure can resist external impacts such as mechanical collision and extrusion, protect the internal conductor and insulation layer from damage, and ensure that the cable can operate normally in harsh environments.​ Whether in urban power grid upgrading and transformation, power supply in industrial parks, or in power collection and transmission of new energy projects (such as wind power and photovoltaic power stations), Na2xs2y cable can play an important role by virtue of its reliable performance, wide voltage adaptability and strong environmental adaptability, providing a solid support for the safe and stable operation of power systems.