I. Product - related Information
(I) Specification Parameters
The 1000V Rz1 - K cable has clear and rigorous settings in terms of specification parameters. Each parameter has been carefully considered to ensure its stable performance in power transmission.
The rated voltage of this cable is 0.6/1kv, and this voltage level enables it to be adapted to a variety of low - voltage power transmission scenarios. 0.6kv is the phase voltage of the cable, and 1kv is the line voltage, which fully complies with the relevant standards of low - voltage power distribution systems and can be well matched with common low - voltage power distribution equipment, ensuring that there will be no faults in the power transmission process due to voltage mismatch.
In terms of conductor specifications, it adopts a 1×240mm design. "1×" represents a single - core structure, which is more flexible in laying, especially suitable for installation in narrow spaces and complex paths. The 240mm conductor cross - sectional area endows the cable with a strong current - carrying capacity. Tests have shown that under standard working conditions, its continuous current - carrying capacity can meet the power demand of high - power equipment, effectively reducing losses in the power transmission process and ensuring the efficiency of power transmission.
In terms of the insulation layer, XLPE (cross - linked polyethylene) material is used. The XLPE insulation layer has extremely high insulation resistance, which can effectively prevent current leakage, and its insulation breakdown strength is also very excellent, which can withstand high voltage shocks. At the same time, it has excellent temperature resistance. The long - term allowable working temperature can reach 90℃, and it can withstand higher temperatures in case of short - term overload, which allows the cable to operate stably when the power load fluctuates.
The sheath is made of LSZH (low smoke zero halogen) material. This kind of sheath not only has good mechanical strength and can resist external friction, extrusion and other external forces, but also meets the halogen - free characteristic requirements. Tests have shown that its halogen content is much lower than the relevant standard limits, and it will not release a large amount of toxic gases and thick smoke when burning, buying valuable time for personnel evacuation and rescue.
In addition, the bending radius of the cable complies with relevant specifications. The single - core structure makes its minimum bending radius relatively small, which is convenient for bending operations during laying without damaging the insulation layer and conductor due to excessive bending. The overall outer diameter of the cable is optimally designed to meet the requirements of common pipe and bridge laying on the premise of ensuring various performances.
With its unique performance advantages, the 1000V Rz1 - K cable has a wide range of important applications in many fields, and its characteristic uses are closely related to its own specifications and performance.
In the construction field, it is an ideal choice for internal power distribution. The internal structure of modern buildings is complex, and power distribution lines need to be laid in narrow spaces such as walls and floors. The single - core structure and good
Flexibility of this cable enable it to easily cope with such laying environments. At the same time, there are many people in construction sites, and the requirements for fire safety are extremely high. The low - smoke and halogen - free characteristics of the LSZH sheath can greatly reduce the harm in case of fire, so it is widely used in large - scale buildings such as office buildings, shopping malls and hotels. For example, in the power distribution lines of high - power electrical facilities such as central air - conditioning systems and elevator equipment in shopping malls, this cable can supply power stably to ensure the normal operation of the facilities.
In the industrial field, the requirements for the reliability and adaptability of cables are strict, and the 1000V Rz1 - K cable can also meet the needs. In industrial plants, the equipment layout is compact, and cables may be affected by mechanical vibration, oil pollution and other factors. The XLPE insulation layer has good chemical corrosion resistance and anti - vibration performance, and the LSZH sheath can also resist certain mechanical wear. For some factories with environmental protection requirements, such as electronics factories and food processing factories, halogen - free cables will not pollute the production environment and can be used in the power supply lines of production line equipment to ensure the continuity of production.
In terms of public facilities, places such as hospitals, schools and subway stations have extremely high requirements for the safety and stability of cables. There are a large number of precision medical equipment in hospitals, and power outages may affect patient treatment. The stable performance of this cable can ensure the continuous power supply of medical equipment; schools are crowded with people, mostly minors, and the fire safety characteristics of the LSZH sheath can add a guarantee to campus safety; subway stations are in underground closed environments, and in case of fire, the low - smoke and halogen - free characteristics are particularly important. This cable can be used for power distribution in lighting, ventilation and other systems of subway stations.
It also has certain application space in the new energy field. For example, in the low - voltage power distribution part of photovoltaic
Power Stations, cables need to be laid in outdoor environments, facing the test of wind, sun, rain and so on. The weather resistance of the XLPE insulation layer and LSZH sheath can meet the outdoor use requirements, and the single - core structure is also convenient for line arrangement in photovoltaic arrays.
The material selection and style design of the 1000V Rz1 - K cable are fully combined with its performance requirements and use scenarios, providing a solid foundation for the stable operation of the cable.
The conductor is made of
Flexible Copper. Flexible copper has excellent conductivity, and its resistivity is much lower than that of other common
Conductor Materials, which can minimize energy loss in the power transmission process. At the same time, flexible copper has excellent flexibility. After special processing, it can be laid with a small bending radius and is not easy to break, which can adapt to complex laying paths. The surface of the flexible
Copper Conductor is treated with a bright finish, without burrs and oxide layers, and can be closely combined with the XLPE insulation layer to avoid local overheating caused by poor contact.
The insulation layer uses XLPE material. This material forms a three - dimensional network molecular structure through cross - linking reaction, which greatly improves its mechanical strength, aging resistance and chemical corrosion resistance. Compared with traditional polyvinyl chloride
Insulation Materials, the XLPE insulation layer has better temperature resistance. It will not soften, deform and other problems in high - temperature environments, and can maintain stable insulation performance for a long time. Moreover, its dielectric loss tangent is small, which can reduce reactive power loss in the power transmission process.
The sheath is made of LSZH material, which is made of high - molecular polymer as the base material and added with halogen - free flame retardants and other additives. It does not contain halogen elements and will not produce toxic gases such as hydrogen chloride when burned, and the amount of smoke generated is also very small. The LSZH sheath has good mechanical properties, high tensile strength and elongation at break, which can withstand stretching, extrusion and other external forces during laying and use. At the same time, it also has certain oil resistance and ultraviolet resistance, extending the service life of the cable.
In terms of style, the cable has a single - core circular structure. The single - core design reduces the volume and weight of the cable, facilitating transportation and laying; the circular structure makes the cable stress evenly. When subjected to external pressure, it can disperse the force to the entire section, reducing the risk of local damage. The outer surface of the cable is smooth and flat, with clear marks, including model, specification, rated voltage, manufacturer and other information, which is convenient for identification and traceability.
(IV) Production Process
The production process of the 1000V Rz1 - K cable is rigorous and complex. Each link from raw material processing to finished product inspection has strict quality control to ensure that the product meets relevant standards and design requirements.
The production of the conductor is the first step. High - purity flexible copper rods are selected and drawn into
Copper Wires of the required diameter through a wire drawing process. During the wire drawing process, the wire drawing speed and die precision are strictly controlled to ensure uniform diameter of the copper wires. Then, multiple copper wires are stranded in a specific way. During stranding, stable tension is maintained to make the conductor structure compact and round. The
Stranded Conductor is annealed to eliminate internal stress and further improve its flexibility.
The extrusion of the insulation layer is a crucial link. First, the XLPE particles are dried to remove moisture in the particles to avoid bubbles in the insulation layer. The dried XLPE particles are sent to the extruder, melted at a set temperature, and evenly coated on the outside of the conductor through a special extrusion die to form an insulation layer. During the extrusion process, temperature, pressure and extrusion speed are monitored in real time to ensure uniform thickness of the insulation layer, high concentricity with the conductor, and smooth and flawless surface. After extrusion, the insulation layer is cross - linked, and the XLPE molecules are cross - linked by heating with steam or nitrogen to form a stable structure.
Sheath extrusion is carried out after the insulation layer is cooled and shaped. LSZH materials are pretreated to remove impurities and moisture, and then sent to the extruder for melting. The molten LSZH material is evenly coated on the outside of the insulation layer through an extrusion die to form a sheath. During the extrusion process, process parameters are accurately controlled to ensure uniform thickness of the sheath, close fit with the insulation layer, and no delamination. The surface of the sheath should be smooth and flat with clear marks.
Finished product inspection is the final link of production. A series of tests are carried out on the cable, including conductor DC resistance test to ensure its conductivity meets the standard; insulation resistance and voltage withstand tests to verify the insulation effect of the insulation layer; mechanical performance tests on the sheath, such as tensile strength and elongation at break; halogen - free tests and smoke density tests are also conducted to ensure that the LSZH sheath meets the requirements. Only cables that pass all test items can leave the factory.
(V) Production Process
The production process of the 1000V Rz1 - K cable covers many key steps, and each step has standardized operating procedures and strict quality inspection to ensure the quality of the final product.
Raw material inspection is the primary link of production. For flexible copper rods, their purity, conductivity and other indicators are tested. The purity must reach more than 99.9%, and the conductivity meets relevant standards; for XLPE particles, their melt index, density, cross - linking degree and other parameters are tested; for LSZH materials, their halogen content, flame retardant performance, mechanical performance and other aspects are tested to ensure the quality of raw materials is qualified.
After the conductor is stranded, appearance and performance inspections are carried out. Observe whether the conductor is round, and whether there are broken wires, loose strands and other phenomena; test the DC resistance of the conductor to ensure it is within the standard range. If problems are found, rework is carried out in time.
After the insulation layer is extruded, the thickness and eccentricity of the insulation layer are checked. The thickness deviation must be controlled within the specified range, and the eccentricity does not exceed 15%. At the same time, the thermal extension test of the insulation layer is carried out. Under the specified temperature and time, the thermal extension rate and permanent deformation must meet the standards to verify the cross - linking effect.
After the sheath is extruded, the appearance of the sheath is inspected. The surface must not have bubbles, cracks, depressions and other defects; the thickness of the sheath is measured to ensure uniformity; the environmental stress cracking resistance test of the sheath is carried out. The sample is placed in a specific environment for a specified time to observe whether cracks appear.
In the production process, automated production equipment and online detection systems are used to monitor the process parameters of each link in real time, such as extrusion temperature, speed, pressure, etc. Once abnormal parameters are found, automatic adjustment or shutdown is carried out immediately to avoid the production of unqualified products. After production, sampling aging tests are also carried out. Cable samples are placed in a high - temperature environment for a specified time, and then their performance changes are tested to ensure that the cable has a long service life.
II. General Product Information
(I) Packaging
The packaging design of the 1000V Rz1 - K cable focuses on protecting the integrity of the cable during storage, transportation and handling, while taking into account the convenience of packaging and the clarity of identification.
Cables are usually packaged with cable reels, and appropriate cable reels are selected according to the length and weight of the cable. For cables with long length and large weight, metal cable reels are used. Metal cable reels have high strength and strong bearing capacity, which can effectively prevent deformation due to bumps during transportation. The diameter of the cable reel is determined according to the bending radius of the cable to avoid damage to the cable due to excessive bending.
The cable is neatly wound on the cable reel, and appropriate tension is maintained during winding to make the cable arranged tightly without looseness or distortion. After winding, a layer of plastic film is wrapped around the outer layer of the cable to play a moisture - proof and dust - proof role. For cables that need long - distance transportation or long - term storage, a layer of waterproof canvas is covered outside the plastic film to further enhance the moisture - proof and sun - proof performance.
A detailed label is pasted on the side of the cable reel, which indicates the product name, model, specification (1000V Rz1 - K 0.6/1kv 1×240mm), length, production batch number, production date, implementation standard, manufacturer name, contact information and other information. The label is made of wear - resistant and waterproof materials to ensure that the information is clearly identifiable during transportation and storage. At the same time, warning signs such as "Handle with Care", "Moisture - proof" and "Sun - proof" are also marked on the label.
For small batches or short - length cable samples, solid cartons are used for packaging. Foam liners are placed inside the cartons to fix the cables in the foam liners to prevent shaking and collision during transportation. Relevant product information and warning signs are also marked on the outside of the cartons.
(II) Transportation
The transportation of the 1000V Rz1 - K cable must follow strict specifications to ensure that the cable is not damaged during transportation and its performance is not affected.
The transportation method is selected according to the transportation distance and quantity. For long - distance transportation with large quantities, railway transportation or road freight is preferred. Railway transportation has good stability and can reduce bumps during transportation. The cable reels are fixed in the freight carriage, and steel wire ropes or special fastening belts are used to firmly connect the cable reels with the carriage to prevent sliding. For road freight, trucks in good condition with sufficient carrying capacity are selected. The carriage must be flat, clean and free of sharp debris. The fixing method of the cable reels is the same as that of railway transportation, and during transportation, routes with good road conditions are chosen as far as possible to avoid severe bumps.
For short - distance transportation, small trucks or logistics vehicles can be used. When loading and unloading cables, special hoisting equipment is required. The hoisting point should be selected at the central axis of the cable reel. Hoisting from the side of the cable reel or the cable itself is strictly prohibited to prevent deformation of the cable reel or damage to the cable. During loading and unloading, handle with care to avoid collision.
The following matters should be noted during transportation: Cables should avoid open - air transportation. If it is unavoidable, they must be covered with waterproof canvas to prevent sun and rain; keep away from fire sources, heat sources and corrosive substances. Transport vehicles are not allowed to approach open fire areas and are not mixed with corrosive goods such as acids and alkalis; during transportation, drivers should drive smoothly, avoid violent operations such as sudden braking and sharp turns, and reduce the shaking of cable reels; regularly check the fixing of cable reels and reinforce them in time if they are loose.
After arriving at the destination, the receiver should check the packaging and appearance of the cable together with the transporter, and sign for it only after confirming that there is no damage. If there is packaging damage, cable appearance damage and other situations, photos should be taken and recorded in time, and communicate with the shipper and transporter for handling.
(III) Delivery
The delivery process of the 1000V Rz1 - K cable focuses on efficiency and accuracy. Each link from order receipt to goods delivery has clear operating specifications to ensure that customers can receive qualified products on time.
After the customer places an order, the sales department promptly enters the order information into the system and transmits it to the production department and the warehouse. The production department arranges the production plan according to the order requirements. If there is inventory, the warehouse immediately checks the inventory quantity, specifications and other information to ensure consistency with the order.
In the preparation stage, warehouse personnel conduct strict outgoing inspection on the cable. Check whether the appearance of the cable is intact, whether the label information is consistent with the order, and whether the packaging meets the requirements. At the same time, sort out the product's certificate, test report and other quality certification documents, and prepare for delivery together with the cable.
Before delivery, the logistics department selects an appropriate transportation method and transportation company according to the order information and customer requirements, signs a transportation contract, and clarifies the transportation time, transportation route, cargo insurance and other matters. For urgent orders, priority is given to arranging delivery, and transportation resources are coordinated to ensure shipment within the time required by the customer.
After the goods are shipped, the logistics department promptly feeds back the shipping information (such as the name of the transportation company, waybill number, estimated arrival time, etc.) to the customer, facilitating the customer to track the dynamics of the goods. At the same time, quality certification documents are sent to customers by express or electronic documents. The warehouse retains delivery records, including outbound orders, transportation contracts, etc., for future reference.
If abnormal situations occur during the delivery process, such as insufficient inventory and transportation delays, communicate with customers in a timely manner, explain the situation and negotiate solutions, such as changing the delivery time and adjusting the transportation method, to protect the customer's right to know and rights.
(IV) Samples
To help customers understand the performance and quality of the 1000V Rz1 - K cable before formal procurement, the company provides sample services. The specifications, materials and performance of the samples are completely consistent with those of mass - produced products.
Customers can apply for samples through sales personnel, the company's official website, customer service hotlines and other channels. When applying, they need to provide information such as the specifications, quantity (usually 1 - 5 meters), purpose, contact information of the required samples. Sample applications from customers with clear purchase intentions will be processed first.
Samples are prepared in strict accordance with the processes and standards of mass production. Special tools are used when cutting cables to ensure flat cuts without burrs. The two ends of the samples are sealed to prevent moisture and impurities from entering. Samples are packaged in small sealed bags or small cable reels. Information such as sample name, specification and production batch number is marked on the packaging, and sample descriptions and simple quality inspection reports are attached.
In terms of sample fees, for potential major customers or customers with clear purchase plans, samples can be provided free of charge, and only express fees are charged; for general consulting customers, a small amount of sample fees (including material costs and processing fees) are charged. If a purchase is made later, the sample fees can be deducted from the payment.
Samples are usually shipped within 3 - 5 working days after receiving the application. Appropriate express methods such as SF Express and Yuantong are selected according to the customer's location. After the samples are shipped, the express waybill number is promptly informed to the customer to facilitate the customer to track the logistics information.
After receiving the samples, if customers have any questions about the performance and testing of the samples, technical personnel can provide professional consulting services to answer the customers' questions. At the same time, customers' feedback on the samples is collected as a reference for product improvement and service optimization.
(V) After - sales Service
The after - sales service system of the 1000V Rz1 - K cable is perfect, committed to providing customers with all - round support, solving problems encountered by customers in the process of product use, and protecting customers' legitimate rights and interests.
The warranty period of this cable is 18 months from the date of delivery. During the warranty period, if the cable fails due to its own quality problems (such as insulation layer breakdown, conductor breakage, sheath cracking and other faults not caused by human factors), customers can apply for free repair or replacement with the purchase certificate and quality certification documents.
After customers submit after - sales applications, the after - sales department responds within 24 hours and arranges technical personnel to communicate with customers to understand the fault situation. Technical personnel make a preliminary judgment based on the customers' descriptions. For simple problems, they guide customers to check and handle through phone calls or videos; if on - site handling is required, technical personnel will be arranged to arrive at the site within 48 hours (except for special areas).
During on - site services, technical personnel conduct a comprehensive inspection of the cable to determine the cause of the fault. If it is indeed a quality problem, they replace or repair the cable for customers free of charge and provide a warranty for the replaced cable; if the fault is caused by non - quality reasons such as improper installation by customers, non - compliance of the use environment with requirements, or man - made damage, paid repair services are provided. The charging standards are transparent and confirmed with customers in advance.
In addition, the company also provides technical support services, including consultation on cable laying, installation and maintenance. It can provide technical guidance documents or on - site guidance at the request of customers. Regular return visits are made to customers to understand the use of cables, collect customers' opinions and suggestions, and continuously improve products and services.
After - sales contact methods include after - sales hotlines, e - mails, online customer service, etc. Customers can contact at any time, and after - sales personnel will respond and handle customers' problems in a timely manner.
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