Thhn Wire 50mm² -250mm² Bare Copper PVC Nylon Sheath 600V

Cross - sectional specifications: The cross - sectional range of this THHN wire covers 50mm² to 250mm². This wide range enables it to meet the power transmission tasks with different power requirements. The 50mm² wire with a smaller cross - section performs well in the power supply lines of medium - sized equipment. For example, some medium - sized production machinery has a relatively moderate power demand, and the 50mm² wire can stably transmit power to it. The 250mm² wire with a larger cross - section is suitable for connecting high - power equipment such as large motors and transformers, as well as laying main distribution lines. Large motors need huge power support when running, and the 250mm² wire can carry a large current to ensure the normal operation of the motor. As the main channel for power transmission, the main distribution line needs to have strong power transmission capacity, and the 250mm² wire can meet this demand, providing a guarantee for the stable operation of the entire power system.

Rated voltage: The rated voltage of this wire is 600V, which conforms to the standards of most medium - voltage distribution systems. In the distribution systems of industrial, commercial and large - scale buildings, 600V voltage is relatively common, which makes the wire compatible with common electrical equipment and distribution devices, without the need for additional voltage adaptation, greatly simplifying the installation and commissioning process.

Temperature resistance performance: This THHN wire can work stably in a wide temperature range, usually between - 40℃ and 90℃. In cold northern regions, the temperature in winter may be as low as - 40℃ or below, and the wire can maintain good performance in such a low - temperature environment without being brittle or losing insulation performance due to low temperature. In hot southern regions, the temperature in summer is high, and coupled with the heat generated by the operation of equipment, the ambient temperature may be close to 90℃, and the wire can also withstand such high temperatures to ensure the stability of power transmission.

Conductor diameter: Due to different cross - sectional specifications, the diameter of the conductor also varies. For the 50mm² wire, its conductor diameter is accurately calculated and produced to ensure good electrical conductivity under this cross - section. Similarly, the conductor diameter of the 250mm² wire is also designed according to its cross - sectional requirements to ensure that there is no excessive heating when carrying large currents.

Industrial field: This THHN wire is widely used in the power distribution of industrial plants. There are a large number of production equipment in industrial plants, such as machine tools and assembly line equipment. These equipment have different power requirements, and the various cross - sectional specifications of the wire can meet the power transmission needs of different equipment. At the same time, the industrial environment is often complex, with mechanical impact, friction, chemical corrosion and other situations. The PVC nylon composite sheath of the wire can resist the impact of these external factors and ensure the safe and stable power transmission.

Commercial field: The main Power Lines of commercial complexes need to have efficient and stable power transmission capacity, and this THHN wire can 胜任 this task. Commercial complexes include shopping malls, office buildings, hotels and other places, with large electricity consumption and a large number of electrical equipment. The load of the main power lines is heavy. Wires with larger cross - sections such as 250mm² can ensure the smooth transmission of electricity and avoid power outages and other accidents caused by line problems.

Construction field: This wire plays an important role in the high - voltage system of high - rise buildings. The power system of high - rise buildings is relatively complex, and it is necessary to transmit electricity from the bottom to various floors and rooms in the high - rise. The good electrical conductivity and temperature resistance of the wire can adapt to different environmental conditions in high - rise buildings and ensure the stability of power supply. In addition, the space of high - rise buildings is limited, and the laying of wires needs to consider the convenience of installation. The Flexibility of the wire enables it to be laid in narrow spaces such as bridges and pipes.

Outdoor facilities: This THHN wire is often used for the connection of outdoor power facilities. The outdoor environment is harsh, facing the impact of natural factors such as wind, sun and rain, as well as possible physical damage. The PVC nylon composite sheath of the wire has good weather resistance and mechanical strength, which can protect the internal conductor from damage and ensure the normal operation of outdoor power facilities, such as the power supply lines of outdoor billboards and the connection lines of street lamps.

Conductor Material: The wire uses high - purity bare copper as the conductor. High - purity copper has excellent electrical conductivity, with high conductivity, which can effectively reduce energy consumption and heat generation during current transmission. In power transmission, the reduction of energy consumption means energy saving, which can effectively reduce the electricity cost for industrial, commercial and other large electricity users. At the same time, low heat generation also helps to extend the service life of the wire and reduce the risk of failure caused by overheating. In addition, the bare Copper Conductor has good ductility and oxidation resistance after special processing. Ductility makes the conductor not easy to break during processing and installation, and can adapt to different laying methods. Oxidation resistance ensures that the conductor will not affect the electrical conductivity due to oxidation during long - term use, and can maintain stable performance even in complex environments such as humidity and dust.

Sheath material: The wire uses a composite structure of PVC and nylon as the sheath, forming double protection. The inner PVC Insulation layer has excellent electrical insulation performance, which can withstand the rated voltage of 600V, effectively block current leakage and ensure electrical safety. PVC material has good insulation performance, is a common material for wire insulation layers, and can reliably prevent current leakage through the sheath to avoid electric shock accidents. The outer Nylon Sheath endows the wire with higher mechanical strength and wear resistance. Nylon is a high - strength synthetic material with good wear resistance and impact resistance, which can resist physical impact, friction and chemical corrosion from the external environment. During the laying and use of the wire, it is inevitable to be affected by various external forces. The nylon sheath can protect the internal insulation layer and conductor from damage and extend the service life of the wire.

Style design: The wire adopts a single - core design, which makes the wire more flexible and convenient in the installation and use process. Single - core wires can be cut and connected as needed, and are suitable for various complex wiring environments. At the same time, the single - core design is also conducive to heat dissipation. The heat generated during current transmission can be more easily dissipated, avoiding the impact of heat accumulation on the performance of the wire.

Conductor processing: First, process high - purity copper materials, and draw the copper materials into Copper Wires of the required diameter through the wire drawing process. During the wire drawing process, it is necessary to strictly control the speed and strength of wire drawing to ensure that the diameter of the copper wire is uniform and the surface is smooth. Then, strand multiple copper wires to form a conductor. The stranding process can improve the flexibility and mechanical strength of the conductor, making it not easy to break during bending and stretching. During the stranding process, it is necessary to ensure that the copper wires are arranged neatly and the stranding pitch is uniform to ensure the stable electrical conductivity of the conductor.

Insulation layer extrusion: Adopt the extrusion molding process to wrap the PVC insulation layer outside the conductor. During the extrusion process, heat the PVC material to a molten state, and then uniformly wrap the molten PVC material on the surface of the conductor through an extruder to form an insulation layer. It is necessary to accurately control the temperature, pressure and speed of the extruder to ensure that the thickness of the insulation layer is uniform, the surface is smooth, and it is closely combined with the conductor without defects such as bubbles and pinholes.

Sheath extrusion: Wrap the nylon sheath outside the insulation layer through the extrusion molding process. Similar to the insulation layer extrusion, heat the nylon material to melt it, and then uniformly wrap it on the surface of the insulation layer through an extruder. It is also necessary to strictly control the process parameters to ensure that the thickness of the sheath is uniform, it is closely combined with the insulation layer, and has good mechanical properties and environmental resistance.

Quality inspection: During the production process, conduct multiple quality inspection procedures on the wire. Including the diameter and resistance test of the conductor to ensure that the specifications and electrical conductivity of the conductor meet the standards; the thickness and voltage resistance test of the insulation layer and sheath to ensure their insulation and protection performance; and the overall mechanical performance test of the wire, such as tensile strength and elongation at break, to ensure that the wire can withstand various external forces during installation and use. Only the wires that pass all quality inspections can leave the factory for sale.

Packaging materials: This THHN wire is packaged in reels, and the reels are usually made of high - strength cardboard or wood. Cardboard reels have the advantages of light weight, low cost and easy recycling; wooden reels have higher strength and durability, and are suitable for packaging wires with larger cross - sections and longer lengths. The surface of the reel is treated to prevent the wire from being polluted and damaged during transportation and storage.

Packaging methods: Different packaging methods are adopted according to the length and cross - sectional specifications of the wire. For wires with shorter lengths, they are usually wound on reels and then wrapped with plastic film to prevent the wires from loosening and getting damp. For wires with longer lengths, in addition to being wound on reels, baffles are installed at both ends of the reels to fix the wires and avoid displacement and collision during transportation. At the same time, the packaging will be marked with the wire's model, specification, length, rated voltage, production date, manufacturer and other information to facilitate users' identification and use.

Packaging specifications: Common packaging lengths are 100 meters, 200 meters, 500 meters, etc. Users can choose the appropriate packaging specifications according to actual needs. For large - scale power projects, a large number of wires are usually needed. Choosing a longer packaging length can reduce the number of joints and improve construction efficiency; for small - scale maintenance or experimental projects, choosing a shorter packaging length is more economical.

Transportation methods: According to different transportation distances and quantities, road transportation, railway transportation, waterway transportation and other methods can be chosen. Road transportation has the advantages of high flexibility and door - to - door service, and is suitable for short - distance transportation and small - batch goods; railway transportation is suitable for medium - and long - distance transportation and large - batch goods, with the characteristics of large transportation volume, low cost and good stability; waterway transportation is suitable for long - distance transportation and international transportation, and can transport a large number of goods, but the transportation speed is relatively slow.

Transportation precautions: During transportation, avoid severe impact, collision and extrusion of the wire to prevent reel damage and wire deformation. At the same time, take moisture - proof, sun - proof and high - temperature prevention measures. When transporting in rainy days, cover the wire to prevent rainwater from entering the packaging; when transporting in high - temperature weather, avoid the wire being exposed to the sun for a long time to prevent the sheath from aging due to high temperature. In addition, during loading and unloading, use professional loading and unloading equipment, handle with care, and avoid damage to the wire caused by manual handling.

Transportation marks: Paste obvious transportation marks on the transport vehicles and packaging, such as "Handle with Care", "Moisture - proof", "Sun - proof", etc., to remind transport personnel to pay attention to relevant matters and ensure that the wire can be delivered to the destination safely and intact.

Delivery process: After the user places an order, the manufacturer will review the order in a timely manner. After confirming that the order information is correct, arrange the warehouse for goods preparation. Warehouse staff will accurately extract the wires of the corresponding specifications and quantities according to the order requirements, and carry out packaging and marking. Then, contact the logistics company and hand over the wires to the logistics company for transportation. During the delivery process, the manufacturer will promptly provide the user with logistics information, including the logistics company name and waybill number, to facilitate the user to query the transportation status of the goods.

Delivery time: For wires in stock, they are usually shipped within 1 - 3 working days after the order is confirmed; for Customized Wires, the delivery time depends on the production cycle, usually within 7 - 15 working days. The manufacturer will inform the user of the specific delivery time when confirming the order, so that the user can make corresponding preparations.

Delivery guarantee: The manufacturer will cooperate with reputable logistics companies to ensure the safe and timely delivery of the wires. At the same time, for goods damage, loss and other situations during transportation, the manufacturer will compensate according to relevant regulations to protect the legitimate rights and interests of users.

Sample provision: To facilitate users to understand the performance and quality of the product, the manufacturer can provide samples. Users can apply for samples from the manufacturer, indicating the specifications, quantity and other information of the required samples. The manufacturer will send out the samples within 1 - 3 working days after receiving the application, and the samples are usually 1 - 2 meters long.

Sample cost: The cost of samples is usually borne by the user, including the cost of the sample itself and the mailing cost. For large customers with cooperation intentions, the manufacturer may waive the sample cost, and the specific situation can be negotiated with the manufacturer.

Sample testing: After receiving the samples, users can conduct various performance tests on the samples, such as electrical conductivity, insulation performance, mechanical performance, etc., to determine whether the wire meets their needs. If the sample test is qualified, the user can make bulk purchases; if the sample test is unqualified, the manufacturer will make improvements according to the user's feedback or recommend other suitable products to the user.

Quality guarantee: The manufacturer provides a certain period of quality guarantee for this THHN wire, usually 1 - 3 years. During the quality guarantee period, if the wire has quality problems caused by non - man - made factors, such as insulation layer aging and conductor breakage, the manufacturer will replace or repair it for the user free of charge.

Technical support: The manufacturer has a professional technical team that can provide technical support for users. During the installation and use of the wire, if users encounter technical problems, they can consult the manufacturer at any time, and the technical personnel will give timely answers and guidance.

Return and exchange service: If the received wire has quality problems or does not meet the order requirements, the manufacturer provides return and exchange service without affecting secondary sales. Users need to submit a return and exchange application within 7 working days after receiving the goods and provide relevant supporting materials. After the manufacturer's approval, the return and exchange matters will be arranged.

Regular return visits: The manufacturer will conduct regular return visits to users who have purchased the products to understand the use of the wires and the users' needs, timely solve the problems encountered by users during use, and improve user satisfaction.