Electrique Power Cable U1000 R2V RO2V 3G1.5, 3G2.5, 3G4 mm² is a cable suitable for low-voltage power transmission with a rated voltage of U1000, which can meet the power transmission needs of conventional low-voltage electricity scenarios.​ This cable has three specifications: 3G1.5 mm², 3G2.5 mm², and 3G4 mm². "3G" stands for a 3-core structure, and conductors with different cross-sectional areas can be adapted to electrical equipment of different powers. The conductor is made of high-purity copper, which has excellent conductivity, can reduce power loss during transmission, and ensure stable power transmission. The multi-strand stranded conductor structure enhances the flexibility of the cable, making it easy to bend and lay in narrow spaces.​ The insulation layer is made of high-quality materials with high insulation resistance, which can effectively insulate current and prevent electric leakage. The sheath has certain wear resistance and corrosion resistance, which can resist slight collisions and environmental erosion in daily use. The R2V and RO2V model designs comply with relevant standards and are suitable for various low-voltage power distribution scenarios.​ This cable is applicable to residential indoor wiring, power supply for small industrial equipment, power distribution in office places and other scenarios. Its various specifications can flexibly meet different electricity needs, and its stable performance and convenient laying characteristics provide reliable support for low-voltage power transmission.

The 1*240mm² cables in the U1000, R2V, and RO2V series are high-performance products specially designed for medium and high-voltage power transmission scenarios, playing a key role in power systems.​ In terms of core performance parameters, the conductor of this specification cable is made of high-purity electrolytic copper with a purity of over 99.95% and a cross-sectional area of 240mm². The DC resistance is ≤0.075Ω/km, which has excellent conductive performance. It can effectively reduce losses during high-current transmission and ensure the efficiency of power transmission. Its rated voltage covers the medium and high-voltage range, and it can be stably applied to power systems of 1kV and above, meeting the transmission needs of high voltage and large current in industrial large-scale equipment and urban power grid trunk lines.​ The flame retardant performance is a prominent advantage of this series of cables, complying with strict national and industrial flame retardant standards with an oxygen index of ≥32%, which is far higher than that of ordinary cables. In case of fire, it can not only effectively inhibit the spread of flame, with the flame spread speed being more than 50% lower than that of ordinary cables, but also can self-extinguish within 30 seconds after the fire source is removed. At the same time, the smoke concentration released during combustion is low and the toxicity is small, with the smoke density rating (SDR) ≤60. It buys valuable time for personnel evacuation and equipment rescue, greatly improving the fire safety factor of the power system.​ The insulation layer and sheath materials are optimized through special formulas, using a combination of high-voltage resistant and aging resistant cross-linked polyethylene (XLPE) and flame retardant polyvinyl chloride (PVC). The long-term working temperature of the XLPE insulation layer can reach 90℃, and the short-term overload temperature can reach 130℃. The insulation resistance is ≥1000MΩ·km, which can maintain stable insulation performance in complex environments such as high temperature and humidity, effectively preventing electric leakage and short-circuit accidents. The PVC sheath has excellent mechanical strength, with a tensile strength of ≥14MPa and an elongation at break of ≥180%, which can resist external mechanical impact, wear and chemical corrosion, and protect the internal structure from damage.​ In terms of application scenarios, the 1*240mm² specification cable, relying on its large cross-section and high current-carrying capacity, is widely used in the connection of large transformers and power supply for heavy machinery in the industrial field, such as blast furnace equipment in iron and steel plants and large reaction devices in chemical plants, providing stable power support for high-power equipment. In urban power grid construction, it can be used as a trunk cable for connection between substations and laying in urban underground cable tunnels, acting as the "artery" of urban power transmission. In addition, it can also be found in new energy fields such as grid-connected lines of large photovoltaic power stations and wind farms, adapting to the high-voltage and large-current transmission needs of new energy power generation systems.​ In the production process, the manufacturing process of the cable is fully controllable and highly precise. Conductor stranding adopts multi-head wire drawing and precision stranding technology to ensure that each strand of copper wire is evenly arranged and under consistent force, avoiding the impact on conductive performance due to local stress concentration; the insulation layer extrusion adopts a three-layer co-extrusion process. By precisely controlling temperature, pressure and extrusion speed, the XLPE material is evenly coated on the conductor, with the thickness deviation controlled within ±0.1mm, ensuring the compactness and stability of the insulation layer. The sheath extrusion uses a special mold design to make the PVC material closely combine with the insulation layer without bubbles or gaps, enhancing the sealing and mechanical strength of the overall structure. Each batch of cables must undergo strict quality inspection, including more than 20 indicators such as voltage resistance test, partial discharge test, and flame retardant performance test, to ensure that the products 100% meet relevant standards.​ The packaging and transportation links also pay attention to details. The cable is packaged with high-strength wooden reels, and the diameter of the reel is customized according to the length of the cable, usually 2-3 meters, which can bear a single reel weight of more than 5 tons. The outer side of the reel is wrapped with waterproof canvas and plastic film, which has moisture-proof, dust-proof and anti-corrosion functions, suitable for long-distance transportation and open-air storage. During transportation, special freight vehicles are used, equipped with anti-skid fixing devices to prevent the cables from rolling and colliding during transportation. At the same time, mixing with sharp objects and corrosive substances is strictly prohibited to ensure that the cables remain intact when delivered to the destination.​ The after-sales guarantee system is perfect, providing a 24-month quality guarantee period from the date of delivery. During this period, if there are problems such as conductor breakage, insulation layer aging, and flame retardant performance not up to standard due to the product's own quality, free replacement or return services can be enjoyed. The professional technical team also provides full technical support, including installation guidance, on-site testing, fault diagnosis, etc., and dispatches technical personnel to guide the installation on-site for large-scale engineering projects to ensure that the cable laying meets the specifications. Regular return visits to customers are made to provide cable maintenance suggestions, such as conducting an insulation resistance test every 2 years and regularly cleaning surface stains, to help customers extend the service life of the cables.

U1000 R2V/U1000 R02V 3*2.5 cable and 3G2.5 copper cable are two high-quality cables suitable for low-voltage power distribution fields. With excellent conductivity, stable insulation effect and flexible laying characteristics, they play an important role in various civil and industrial scenarios.​ The conductors of these two cables are made of high-purity copper with a purity of ≥99.9%, manufactured through a multi-strand precision stranding process. In the 32.5mm² specification, each core has a cross-sectional area of 2.5mm², while 3G2.5mm² emphasizes the consistency of the stranding method and specification of the cores. At 20℃, the DC resistance of the conductor is ≤7.41Ω/km, which is much lower than the industry standard, significantly reducing energy loss during power transmission and ensuring efficient current conduction. The conductivity of high-purity copper is ≥98% IACS, which can meet the power needs of various low-voltage electrical equipment, whether household appliances or small industrial machinery, can obtain stable power supply. At the same time, the multi-strand stranding process endows the conductor with excellent flexibility, with a minimum bending radius of only 6 times the cable outer diameter (static). The outer diameter of 32.5mm² cable is about 9mm, with a static bending radius of 54mm; 3G2.5mm² is about 10mm, with a static bending radius of 60mm, which is convenient for easy laying in narrow spaces such as wall pipelines and equipment interiors in complex environments.​ The insulation layer is made of high-quality polyvinyl chloride (PVC) material. After optimization with a special formula, its temperature resistance level reaches 70℃, and it can work stably for a long time in the ambient temperature range of -15℃ to 70℃. Its volume resistivity is ≥10¹³Ω·cm, and the dielectric loss tangent is ≤0.03 (at 20℃), with excellent insulation performance, which can effectively isolate the risk of leakage between cores and ensure electrical safety. The PVC insulation layer also has good chemical resistance, which can resist the erosion of acids, alkalis, oils and other substances in daily environments, prolonging the service life of the cable. In addition, the insulation layer has passed relevant flame retardant tests, has self-extinguishing property when burning in open fire, and has low smoke density, meeting fire safety requirements and adding safety guarantee for the use place.​ The structural design of the cable is compact and reasonable. Both U1000 R2V and U1000 R02V models have a 3-core structure, adapting to the three-phase low-voltage power distribution system and meeting the three-phase power supply needs of various electrical equipment. The sheath layer is made of weather-resistant PVC material with a thickness of ≥0.8mm, a tensile strength of ≥12MPa, and an elongation at break of ≥150%, which can effectively resist the impact of external factors such as mechanical shock, wear and ultraviolet radiation, protecting the internal cores and insulation layers from damage. The rated voltage of the cable is 1000V, which accurately matches the voltage requirements of the low-voltage power distribution system, ensuring stable and reliable power transmission.​ In terms of current-carrying capacity, both cables perform excellently. When laid in air, the current-carrying capacity is about 28A; when laid underground, it is about 35A, which can meet the power supply of household lighting, small air conditioners, office equipment and light industrial machinery. Its small outer diameter design not only saves installation space, but also reduces laying difficulty, especially suitable for applications in scenarios such as residential decoration, commercial building wiring and internal wiring of industrial equipment.​ In practical applications, these two cables are widely used in indoor wiring of family residences, such as connecting socket circuits and lighting systems in living rooms and bedrooms, providing stable power for home appliances such as TVs, refrigerators and lamps; in commercial places such as offices and shops, they can be used as connecting cables from distribution boxes to various electrical equipment, ensuring the normal operation of computers, printers, air conditioners and other equipment; in small industrial workshops, they are suitable for power transmission of small machine tools and auxiliary equipment of assembly lines, ensuring the continuity of production links with their stable performance. In addition, they can also play a reliable role in municipal facilities such as street lamp control lines and monitoring equipment power supply, adapting to the changing outdoor environmental conditions.