I. Product - Related Information
(I) Specifications and Parameters
This product is a three - phase five - core cross - linked polyethylene (XLPE) power cable that complies with the BS 6746 standard. It covers various specifications such as 16mm², 25mm², 35mm², 70mm², and 95mm², and is specially designed for three - phase power systems.
In terms of structure, it adopts a five - core design. These five cores correspond to the A, B, C three - phase phase wires, the neutral wire and the
Ground Wire in the three - phase power system respectively, perfectly adapting to the three - phase five - wire power supply mode. This structure can transmit electricity and achieve reliable grounding protection at the same time, greatly improving the safety of electricity use.
Different cross - sectional area specifications correspond to different current - carrying capacities and applicable power ranges. The current - carrying capacity of a 16mm² cable is about 70 - 85A, which is suitable for equipment with a power of about 15 - 18kW; the current - carrying capacity of a 25mm² cable is about 90 - 110A, which is suitable for 20 - 24kW equipment; the current - carrying capacity of a 35mm² cable is about 110 - 135A, which can meet the needs of 24 - 29kW equipment; the current - carrying capacity of a
70mm² Cable is about 180 - 210A, corresponding to 39 - 46kW equipment; the current - carrying capacity of a 95mm² cable is about 220 - 260A, which can be adapted to 48 - 57kW equipment and distribution trunk lines.
The product strictly complies with the BS 6746 standard and meets the requirements of this standard in terms of dimensional accuracy and performance indicators. At the same time, it meets the N2xy protection level, which means that the cable has excellent performance in resisting mechanical impact, ultraviolet rays and moisture.
Due to its own structural and performance advantages, this cable has a wide range of application scenarios. In commercial buildings, such as large shopping malls and office buildings, cables of 16 - 35mm² specifications can be used for power supply of small and medium - sized electrical equipment such as air - conditioning systems, lighting equipment and elevators. These places have a variety of electrical equipment and high requirements for power supply stability and safety. The five - core structure can ensure electrical safety, and the XLPE insulation layer can ensure long - term stable operation.
In industrial plants, medium and large industrial equipment such as machine tools, production lines and large compressors have large power, and cables of 70 - 95mm² specifications can meet their power transmission needs. At the same time, these specifications can also be selected for the distribution trunk lines in the plant area to achieve efficient power distribution. The industrial environment may have mechanical vibration, dust and other conditions, and the N2xy protection level of the cable can make it resist these impacts.
In terms of municipal engineering, urban road lighting systems, underground parking lot power supply, public venues (such as gymnasiums and convention centers) can all use this cable. The cable can adapt to both outdoor open - air laying and underground pipe laying. For example, in outdoor road lighting, its ultraviolet resistance and moisture resistance can ensure long - term reliable work; in underground parking lots, its mechanical impact resistance can cope with possible collisions from vehicle traffic.
In addition, this cable can also play an important role in places with high requirements for power supply reliability such as data centers and hospitals. Server clusters in data centers and large medical equipment in hospitals all need stable power supply, and the
Structure and Performance of this cable can meet their needs.
(III) Material and Style
Conductor Material
The
Cable Conductor usually uses high - purity copper. Copper has excellent electrical conductivity, which can effectively reduce losses during power transmission and improve transmission efficiency. At the same time,
Copper Conductors have good ductility and mechanical strength, and can withstand a certain degree of bending and stretching during cable laying and use, and are not easy to break.
High - purity copper can also reduce the impact of impurities on conductivity and ensure stable current transmission. After strict processing technology, the surface of the conductor is smooth, which can reduce friction with the insulation layer and ensure the integrity of the insulation layer.
Insulation Layer Material
The insulation layer is made of cross - linked polyethylene (XLPE), which has many advantages. It has excellent temperature resistance and can work for a long time in the temperature range of - 40℃ to 90℃. Its insulation performance will not be affected in cold northern winters, hot southern summers, or industrial environments with temperature fluctuations.
It has excellent insulation performance, with a small dielectric constant and large insulation resistance, which can effectively prevent current leakage and reduce the risk of electric leakage. Moreover, XLPE material has strong anti - aging performance, and is not easy to crack or harden after long - term use, so it has a long service life. At the same time, it also has good chemical corrosion resistance, can resist the erosion of some chemical substances, and is suitable for use in a variety of environments.
Sheath Layer Material
The material selection of the sheath layer needs to meet the requirements of N2xy protection level, and usually adopts materials with good mechanical properties and weather resistance, such as polyvinyl chloride (PVC) with a specific formula or other synthetic materials. This material can provide reliable protection for the cable, making it have the performance of resisting mechanical impact, and can reduce damage to the internal structure when subjected to external forces such as collision and extrusion.
Its ultraviolet resistance makes it not easy to age or crack when exposed to sunlight for a long time outdoors. The moisture resistance ensures that the cable will not be affected by moisture in humid environments, such as underground and outdoor in rainy seasons. The sheath layer also has a certain flame - retardant performance, which can delay combustion when encountering an open flame, buying time for safety rescue.
Style Design
The cable adopts a five - core structure and is round in shape with a regular appearance. The five cores are evenly distributed in the sheath and arranged compactly, which not only saves space but also ensures the insulation distance between each core. Cables of different specifications differ in diameter and can be visually distinguished.
The cable has moderate
Flexibility, which is convenient for bending and laying, and can adapt to different laying paths, such as pipe threading and beam winding. The color of the sheath layer is usually dark colors such as black or gray, which is not only resistant to dirt but also can resist ultraviolet radiation to a certain extent.
(IV) Production Process
Conductor Manufacturing
For conductor manufacturing, copper materials are first strictly screened to ensure that their purity meets the standard. After that, the copper material is made into copper rods through smelting, billet casting and other processes. The copper rod is drawn into
Copper Wires of the required diameter through wire drawing equipment. During the wire drawing process, the wire drawing speed and mold precision must be controlled to ensure that the diameter of the copper wire is uniform and the surface is smooth.
Multiple copper wires are stranded to form a conductor. During stranding, a specific stranding method is adopted to make the copper wires arranged tightly and evenly, so as to enhance the mechanical strength and flexibility of the conductor. After stranding, the conductor is annealed. Through heating and cooling, the internal stress of the conductor is eliminated, and its electrical conductivity and ductility are improved.
Insulation Layer Extrusion
Before extruding the insulation layer, the XLPE material needs to be pretreated to remove moisture and impurities to avoid affecting the insulation performance. The treated material is sent to the extruder and melted and plasticized at high temperature. The melted XLPE material is evenly coated on the surface of the conductor through an extrusion die to form an insulation layer.
During the extrusion process, the extrusion temperature, pressure and speed must be accurately controlled to ensure that the insulation layer has a uniform thickness, is closely combined with the conductor, and has no defects such as bubbles and impurities. After extrusion, the insulation layer is cross - linked. By heating, the XLPE molecules form a three - dimensional network structure, thereby improving its temperature resistance, mechanical strength and insulation performance.
Cabling Process
Cabling is to strand five
Insulated Wire cores together according to a certain stranding direction and pitch. During stranding, it is necessary to ensure that each wire core is in the correct position and the tension is uniform to avoid loosening and twisting of the wire cores. During the stranding process, fillers may be filled in the gaps to make the cabled structure more round and stable, and at the same time enhance the impact resistance of the cable.
After cabling, a wrapping tape may be wrapped to fix the wire cores and enhance insulation. The wrapping tape must be closely attached to the wire cores without wrinkles or damage.
Sheath Extrusion and Finished Product Inspection
During sheath extrusion, the sheath material that meets the requirements is added to the extruder, melted and coated on the outer layer of the cabled wire core through a die. During the extrusion process, the process parameters must be controlled to ensure that the sheath layer has a uniform thickness, a smooth surface and is closely combined with the internal structure.
The finished product inspection link is crucial, including appearance inspection, dimension measurement, electrical performance test, mechanical performance test, etc. The appearance inspection checks whether the sheath is damaged or has bubbles; the dimension measurement checks whether the diameter, insulation layer and sheath layer thickness meet the standards; the electrical performance test includes insulation resistance and voltage resistance; the mechanical performance test includes tensile strength and elongation at break. Only products that meet all indicators can leave the factory.
II. General Product Information
(I) Packaging
Packaging Materials
According to the specification and length of the cable, the packaging materials mainly include cable reels and cardboard boxes. For cables with longer length and larger specifications (such as 70mm² and 95mm²), cable reels are used for packaging. There are two types of cable reels: wooden and steel. Wooden cable reels have lower costs and are suitable for short - distance transportation; steel cable reels have high strength and strong bearing capacity, and are suitable for long - distance transportation and multiple uses.
For short - length or small - specification (16 - 35mm²) cables, cardboard boxes can be used for packaging. Moisture - proof paper or foam boards are placed inside the cardboard boxes to prevent the cables from getting damp and colliding. Both cable reels and cardboard boxes have a certain load - bearing capacity and protective performance.
Packaging Methods
When using cable reels for packaging, the cable is neatly wound on the cable reel. A certain tension is maintained during the winding process to prevent the cable from loosening. Protective sleeves are installed at both ends of the cable to prevent damage to the ends. Labels are fixed on the cable reel, indicating product name, specification, length, production date, batch number and other information.
When packaging with cardboard boxes, the cable is coiled into a circle and put into the box. The surrounding is filled with buffer materials to ensure that the cable will not shake in the box. Relevant product information and warning signs such as "Do Not Invert" and "Handle with Care" are also marked on the outside of the box.
(II) Transportation
Transportation Methods
Appropriate transportation methods are selected according to the transportation distance and quantity. For short - distance transportation, trucks can be used, which have high flexibility and can directly deliver goods to the destination. For large - quantity long - distance transportation, railway transportation can be chosen, which has good stability and is less affected by the weather.
For export or emergency orders, sea or air transportation can be used. Sea transportation is suitable for large - quantity goods, with low cost but long transportation time; air transportation is fast and suitable for emergency needs, but the cost is relatively high. No matter which transportation method is adopted, it is necessary to ensure that the transportation tools are clean and free of corrosive substances.
Transportation Precautions
During transportation, the cable reel should be fixed firmly to prevent rolling and collision during transportation. For cables packaged in cardboard boxes, avoid stacking too high to prevent crushing the bottom boxes. During transportation, the cable should be prevented from being exposed to direct sunlight, rain and humid environments. A tarpaulin must be covered for open - air transportation.
Handle with care during loading and unloading, and use appropriate loading and unloading tools to avoid damage to the cable caused by rough operation. During transportation, the condition of the goods should be checked regularly, and problems should be handled in a timely manner.
(III) Shipment
Shipment Process
After the customer places an order, customer service personnel will check the order information in a timely manner, including product specifications, quantity, delivery address, contact information, etc., to ensure accuracy. After checking, the warehouse is notified to prepare the goods. Warehouse managers find the corresponding products according to the order information, count and inspect them to confirm that the products are in good condition and the specifications and quantities are correct.
After the goods are prepared, they are packaged according to the packaging standards, and then the packaged products are transferred to the shipping area. At the same time, contact the transportation company to arrange transportation vehicles and shipping time. When the transportation vehicle arrives, load the goods onto the vehicle and go through relevant handover procedures, such as filling in waybills and delivery orders. After shipment, the shipping information (transportation company, waybill number, estimated arrival time, etc.) is promptly informed to the customer.
Shipment Time
When the inventory is sufficient, conventional small - specification cables such as 16 - 35mm² can usually be shipped within 1 - 3 working days after the customer places the order. For 70 - 95mm² cables, if the inventory is sufficient, they will be shipped within 3 - 5 working days; if the inventory is insufficient, production is required. The production cycle is usually 7 - 15 working days, and the specific shipping time will be determined according to the production progress.
In case of special circumstances such as holidays and bad weather, shipment may be delayed. The customer service will communicate with the customer in advance, explain the reason and negotiate a new shipping time.
(IV) Samples
Sample Provision
To facilitate customers to understand product quality and performance, the company provides sample services. Customers can put forward sample requirements to sales personnel and specify the specifications of the required samples. Samples of 16 - 35mm² specifications are usually provided free of charge; for samples of 70 - 95mm² specifications, a certain sample fee may be charged, which can be refunded when the customer makes subsequent bulk purchases.
The material and process of the samples are the same as those of the bulk products, which can truly reflect the performance of the products. Customers need to bear the transportation cost of the samples, and the company can assist in arranging express delivery.
Sample Delivery
After the samples are prepared, they will be simply packaged to prevent damage during transportation. Information such as sample specifications and company name is marked on the package. Choose a reliable express company for delivery, such as SF Express and Yuantong Express. After the samples are sent, the sales personnel will promptly inform the customer of the express waybill number to facilitate the customer to track the logistics information of the samples. Domestic samples are usually delivered within 1 - 3 days, and it may take 4 - 5 days for remote areas.
(V) After - sales Service
Quality Assurance
The company provides quality assurance for this cable product, with a warranty period of 18 months from the date when the customer receives the product and accepts it. During the warranty period, if the product fails due to its own quality problems (such as insulation layer aging, conductor breakage and other non - human factors), the company will provide customers with free repair or replacement services.
If the product is damaged due to improper use by the customer, non - standard laying and other human factors, the company can provide repair services, but the corresponding repair fees and material fees need to be charged.
After - sales Service Process
If a customer finds a product problem during use, they can feedback through the company's official customer service phone, email and other channels. After receiving the feedback, customer service personnel will record the problem in detail, such as product specification, use time, fault phenomenon, etc., and arrange professional technical personnel to connect within 24 hours.
Technical personnel will communicate with customers to understand the specific situation and, if necessary, ask customers to provide fault photos or videos. After verification, determine the cause and responsibility of the fault. If it is a quality problem, negotiate a solution (repair or replacement) with the customer and complete it within the agreed time; if it is a human - caused problem, inform the customer of the repair plan and cost, and carry out the repair after the customer agrees.
Technical Support
The company has a professional technical team to provide customers with technical support services. Customers can consult at any time if they encounter problems in cable selection, laying, installation, etc. Technical personnel will recommend cables of appropriate specifications according to the customer's use scenario and power demand; provide laying precautions, such as laying temperature, bending radius, protective measures, etc.; and answer technical questions during installation.
At the same time, the company will conduct regular return visits to customers to understand the product use, collect customer opinions and suggestions, and continuously improve products and services. It will also provide customers with product - related technical materials, such as product manuals and installation guides.
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