Copper core cross-linked polyethylene insulated flame-retardant power cable

Description :

This product is a high-performance copper core cross-linked polyethylene insulated polyvinyl chloride sheathed flame-retardant Class C power cable, model ZC-YJV 3 * 120+2 * 70. The cable conductor is made of high-purity oxygen free copper wire twisted together, with excellent conductivity and low resistivity, which can effectively reduce line losses and ensure efficient and stable power transmission.

The insulation layer is made of advanced cross-linked polyethylene (XLPE) material. The molecular structure of polyethylene is changed from linear to three-dimensional network structure by chemical or physical methods, thus greatly improving the heat resistance, mechanical strength and aging resistance of the material. This enables the cable to operate stably for a long time at a rated working temperature of up to 90 ℃, with a short-term overload temperature of up to 130 ℃ and a maximum temperature of 250 ℃ during short circuit, far superior to ordinary PVC insulated cables.

The sheath is made of polyvinyl chloride (PVC) material, which has good weather resistance, corrosion resistance, and a certain flame retardant effect. Specifically, the cable complies with the "ZC" flame retardant Class C standard, which can effectively suppress flame spread in bundle combustion tests and quickly self extinguish after the fire source is removed, greatly reducing the risk of fire. It is suitable for places with strict fire prevention requirements.

The cable structure consists of five cores, with three main cores having a cross-sectional area of 120 square millimeters, used for transmitting three-phase power electricity; The cross-sectional area of the two neutral/ground wire cores is 70 square millimeters. This configuration is widely used in TN-S or TN-C-S power supply systems, which can simultaneously meet the needs of power equipment supply and grounding protection.

Mainly used for fixed installation in urban power grids, buildings, industrial and mining enterprises, power stations, substations and other places, for transmission and distribution lines with rated voltage of 0.6/1kV and below. Whether it is buried underground, threaded in pipelines, or exposed in cable trays or tunnels, it can demonstrate its excellent performance and long service life. It is an indispensable basic power transmission material in modernization construction.

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