I. Information Related to the Product Itself
(I) Specification Parameters
Exvb and Eaxvb cables (Eca 0.6/1kv) have rich and precise specification parameters, providing a solid guarantee for their stable application in different low-voltage power distribution scenarios.
The rated voltage of this cable is clearly 0.6/1kv, among which 0.6kv is the phase voltage and 1kv is the line voltage, fully complying with the general standards of low-voltage power distribution systems. This voltage level enables it to perfectly match common low-voltage power distribution equipment such as low-voltage switchgear and distribution boxes, ensuring voltage stability during power transmission and fundamentally reducing the risk of faults caused by voltage mismatch.
In terms of conductor specifications, there are various options including 3G2.5mm², 4×10mm², 4×16mm², 5g10mm², 5g16mm², 5×25mm², etc. The 3G2.5mm² specification cable has a continuous current-carrying capacity of about 16A under standard operating conditions; the 4×10mm² specification can reach a continuous current-carrying capacity of about 40A; the 4×16mm² specification can carry a current of about 55A; the 5g10mm² specification has a continuous current-carrying capacity of about 40A; the 5g16mm² specification is about 55A; and the 5×25mm² specification has a continuous current-carrying capacity of around 70A. The differences in current-carrying capacity among different specifications allow it to accurately match power demand of different powers.
In addition, the insulation thickness of the cable varies according to specifications. The insulation thickness of the 3G2.5mm² specification is about 0.8mm. As the specification increases, the insulation thickness also increases accordingly. The insulation thickness of the 5×25mm² specification is about 1.2mm to ensure good insulation performance. The sheath thickness is generally between 1.0-1.5mm, which can provide reliable mechanical protection for the cable. Its minimum bending radius is 8 times the outer diameter of the cable, which can meet the laying needs of environments with limited space such as homes and commercial places. The operating temperature range is between -20℃ and 70℃, which can adapt to conventional climate and environmental conditions.
Exvb and Eaxvb cables (Eca 0.6/1kv), with their various specifications and stable performance, have targeted applications in multiple low-voltage power distribution scenarios and can meet the power demand of different scenarios.
In home power distribution scenarios, the 3G2.5mm² specification cable performs prominently. It can be used for home lighting lines, connecting chandeliers, wall lamps and other lighting equipment in living rooms, bedrooms and other rooms, and its current-carrying capacity can meet the power demand of lighting equipment. At the same time, this specification cable is also suitable for ordinary socket lines, supplying power to low-power household appliances such as TVs, set-top boxes and small fans, ensuring the stable operation of these equipment.
In the power distribution systems of commercial places, the 4×10mm² and 4×16mm² specification cables play an important role. In places such as convenience stores and small supermarkets, the 4×10mm² specification cable can be used as the power supply line for equipment around the cash register, connecting cash registers, code scanners, small display lights and other equipment. For equipment with slightly higher power such as refrigerators and small air conditioners in supermarkets, the 4×16mm² specification cable is more suitable, which can ensure stable power supply during the use of these equipment.
In the control lines of small equipment in the industrial field, the 5g10mm² and 5g16mm² specification cables are more applicable. For example, in the control lines of small assembly lines, which connect control buttons, sensors and control boxes, the 5g10mm² specification cable can stably transmit the power required for control signals. For the control lines of some small motors with simple speed regulation functions, the 5g16mm² specification cable can meet their power demand.
The 5×25mm² specification cable plays a role in the main power supply lines of small industrial equipment. Such as the power supply of small lathes, grinders and other equipment, the current-carrying capacity of this specification cable is sufficient to support the normal operation of the equipment, ensuring the smooth progress of production work. In addition, the 5×25mm² specification cable can also be used in the main power distribution lines of workshops in some small processing plants, connecting the main distribution box of the workshop to the distribution boxes in various equipment areas.
(III) Material and Style
The material selection and style design of Exvb and Eaxvb cables (Eca 0.6/1kv) are fully combined with their performance requirements and application scenarios, providing a guarantee for the safe operation and convenient installation of the cables.
The conductor is made of high-purity copper with a purity of more than 99.9%. High-purity copper has excellent conductivity, which can effectively reduce energy loss during power transmission and ensure power transmission efficiency. The conductor is made of multiple strands of fine
Copper Wires stranded together. This structure enhances the
Flexibility of the conductor, enabling it to better adapt to bending and turning in environments with complex laying paths such as homes and commercial places, reducing the risk of breakage. At the same time, the surface of the
Copper Conductor is tinned to form a protective film, which can prevent the conductor from being oxidized and corroded during long-term use and storage, extending the service life of the cable.
The insulation layer is made of PVC (polyvinyl chloride) material. The
PVC Insulation layer has good insulation performance, which can effectively isolate the current conduction between cores and between cores and the external environment, ensuring the safety of power transmission. It also has certain temperature resistance. It can maintain stable performance in the working temperature range of -20℃ to 70℃ without softening, cracking and other situations that affect the insulation effect. In addition, the PVC insulation layer also has good chemical corrosion resistance and can adapt to general acid and alkali environments.
The outer sheath of the cable is also made of PVC material. The
PVC Sheath is tough and has good mechanical strength, which can resist slight external extrusion, collision and other mechanical forces, protecting the internal insulation layer and conductor. The surface of the sheath is smooth, which is convenient for the cable to pass through pipes, trunking and other facilities during laying, reducing laying resistance. Moreover, the PVC sheath has certain flame retardancy, which can delay combustion when encountering an open flame, adding a guarantee for safe electricity use.
In terms of style, the cable has a
Multi-Core cabling structure and is round as a whole. The 3G2.5mm² is a 3-core structure, the 4×10mm² and other specifications are 4-core structures, and the 5g10mm² and other specifications are 5-core structures. Different core number designs can meet different power distribution needs. The round structure enables the cable to bear uniform force during laying, which is convenient for winding and storage, and can better match with laying facilities such as pipes and trunking, saving installation space. The outer surface of the cable is printed with clear marks, including model, specification, rated voltage, manufacturer, etc., which is convenient for identification and traceability.
(IV) Production Process
The production process of Exvb and Eaxvb cables (Eca 0.6/1kv) is rigorous and standardized. Each link from raw material processing to finished product inspection has strict quality control to ensure that the product quality meets relevant standards.
Conductor preparation is the first step of production. High-purity copper rods are drawn into fine 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 that the diameter of the copper wires is uniform and the surface is smooth. Then, according to the requirements of different specifications, multiple fine copper wires are stranded. During stranding, stable tension and appropriate pitch are maintained to make the conductor structure compact and round and enhance flexibility. The
Stranded Copper Conductor is tinned on the surface. The conductor is put into tin liquid to make the surface evenly covered with a layer of tin, forming an anti-corrosion protective film.
The insulation extrusion link is crucial. First, the PVC insulation particles are dried to remove moisture from the particles to avoid bubbles in the insulation layer. The dried PVC particles are sent to the extruder, melted at a set temperature (usually 150-170℃), and evenly coated on the outside of the copper conductor through a special extrusion die to form an insulation layer. During the extrusion process, the temperature, pressure and extrusion speed are monitored in real-time to ensure that the insulation layer has a uniform thickness, high concentricity with the conductor, and a smooth surface without defects.
The cabling process is to strand multiple insulated
Copper Conductors together according to a certain stranding pitch. During stranding, an appropriate stranding method is selected according to the number of cores. 3-core, 4-core and 5-core use corresponding stranding dies respectively to ensure that the cabled cable is round. At the same time, filling materials are placed during the stranding process. The filling materials are non-hygroscopic polypropylene ropes, which make the cable structure more compact and avoid internal gaps.
Sheath extrusion is the last key process. The PVC sheath particles are dried and sent to the extruder. After melting, they are evenly coated on the outside of the cabled conductor through an extrusion die to form a sheath. The extrusion process parameters are controlled to ensure that the sheath has a uniform thickness, is closely combined with the internal structure, and has a smooth surface. The sheath can not only protect the internal structure from the external environment but also make the cable have a uniform appearance.
In the finished product inspection link, a comprehensive test is carried out on the conductivity, insulation performance, sheath mechanical performance, etc. of the cable. The conductivity of the copper conductor is checked through a DC resistance test, the insulation effect of the insulation layer is verified through insulation resistance and voltage withstand tests, and the mechanical strength of the sheath is inspected through tensile tests and impact tests. Only cables with all indicators qualified can leave the factory.
II. General Product Information
(I) Packaging
The packaging design of Exvb and Eaxvb cables (Eca 0.6/1kv) focuses on protecting the integrity of the cable during storage, transportation and handling, while taking into account the practicality of packaging and the clarity of identification.
For small-specification and short-length cables (such as 3G2.5mm² with a length of less than 50 meters), plastic reels are used for packaging. Plastic reels are lightweight and low-cost. The cables are neatly wound on the reels, and appropriate tension is maintained during winding to avoid loosening, distortion or surface damage caused by mutual friction of the cables. The outside of the reel is covered with a transparent plastic packaging bag, which plays a role in moisture-proof and dust-proof. The bag is printed with basic information such as product model, specification and length.
Large-specification and long-length cables (such as 5×25mm² with a length of more than 100 meters) are packaged with wooden cable reels. The diameter of the wooden cable reel is determined according to the length of the cable, generally 0.8-1.5 meters, which can stably bear the weight of the cable. The cable is wound on the cable reel in an orderly arrangement without overlapping or crossing. Baffles are installed on both sides of the cable reel, and the height of the baffle is higher than the winding height of the cable to prevent the cable from slipping during transportation and storage. The outside of the cable reel is wrapped with a layer of plastic film. For cables that need long-distance transportation, a layer of waterproof canvas is covered outside the plastic film to enhance moisture-proof and sun-proof performance and avoid the impact of direct sunlight and rain soaking on the cable.
Both plastic reels and wooden cable reels are pasted with detailed labels. The labels are made of wear-resistant and waterproof materials, marked with product name, model, specification, length, production batch number, production date, rated voltage, manufacturer name and contact information, etc. At the same time, warning signs such as "Handle with Care", "Moisture-Proof" and "Do Not Press" are also marked on the labels to remind relevant personnel to operate in a standardized way.
For sample cables, small sealed bags are used for packaging. Each bag contains 1-2 meters of samples. The model, specification and other information of the samples are marked on the sealed bags, and sample description cards are attached.
(II) Transportation
The transportation of Exvb and Eaxvb cables (Eca 0.6/1kv) must follow strict specifications to ensure that the cables are not damaged during transportation and their performance is stable.
The transportation method is selected according to the transportation distance and quantity. For long-distance transportation with a large quantity, railway transportation or road freight is preferred. Railway transportation has good stability and can reduce jolting 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 to the carriage to prevent sliding. For road freight, trucks in good condition with sufficient load-bearing capacity are selected, and the carriage must be flat, clean and free of sharp debris. An appropriate gap is left between the cable reels, and they are separated by buffer materials (such as foam boards) to avoid mutual collision.
Short-distance transportation can use small trucks or logistics vehicles. Special hoisting equipment (such as forklifts, cranes) is needed when loading and unloading cables. When hoisting, the hoisting point is 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. The loading and unloading process should be handled with care to avoid violent collision.
Attention should be paid during transportation: Cables should avoid open-air transportation. If it is unavoidable, they should be covered with waterproof canvas to prevent exposure to the sun and rain; keep away from fire sources, heat sources and corrosive substances. Transport vehicles are not allowed to approach open flame areas and are not mixed with acid, alkali and other corrosive goods; drivers should drive steadily during transportation to 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 and the transporter shall jointly check the packaging and appearance of the cable and sign for it only after confirming that there is no damage. If packaging damage, cable appearance damage and other situations are found, take photos and record them in time, and communicate with the shipper and transporter for handling.
(III) Delivery
The delivery process of Exvb and Eaxvb cables (Eca 0.6/1kv) focuses on efficiency and accuracy. All links from order receipt to goods delivery have standardized operations to ensure that customers 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 warehouse and production department. After receiving the order, the warehouse checks the inventory quantity, specifications and other information to ensure consistency with the order. If there is inventory, arrange for goods preparation; for orders with customized specifications or special lengths, the production department organizes production according to requirements, and the production progress is promptly fed back to the sales department and customers.
In the goods preparation stage, warehouse personnel conduct strict outgoing inspection on the cables, check whether the appearance is intact, whether the label information is consistent with the order, whether the packaging meets the requirements, and sort out quality certification documents such as certificates of conformity and test reports, which are prepared for delivery together with the cables.
Before delivery, the logistics department selects the transportation method and transportation company according to the order information and customer requirements, signs a transportation contract, and clarifies matters such as transportation time, route and cargo insurance. Urgent orders are given priority in delivery, and transportation resources are coordinated to ensure delivery within the time required by customers.
After the goods are delivered, the logistics department promptly feeds back the delivery information (transportation company name, waybill number, estimated arrival time, etc.) to the customer to facilitate the customer to track the goods dynamics. Quality certification documents are sent to customers by express or electronic documents. The warehouse retains delivery records, including delivery orders, transportation contracts, etc., for future reference.
If abnormal situations such as insufficient inventory and transportation delays occur during delivery, communicate with customers in a timely manner, explain the situation and negotiate solutions to protect customers' right to know and rights.
(IV) Samples
To help customers understand the performance and quality of Exvb and Eaxvb cables (Eca 0.6/1kv) before formal procurement, the company provides sample services. The specifications, materials and performance of the samples are 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 required sample specifications, quantity (usually 1-3 meters), purpose and contact information. Sample applications from customers with clear purchase intentions are processed first.
Samples are prepared in strict accordance with mass production processes and standards. 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. The packaging is marked with sample name, specification, production batch number and other information, and is accompanied by sample descriptions and simplified quality test reports.
In terms of sample fees, for potential major customers or those with clear procurement plans, samples can be provided free of charge, with only express fees charged; ordinary consulting customers are charged a small sample fee (including materials and processing fees), which can be deducted from the payment for subsequent procurement.
Samples are usually shipped within 2-3 working days after receiving the application, and an appropriate express delivery method is 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. If customers have any questions after receiving the samples, technical personnel can provide professional consulting.
(V) After-sales Service
The after-sales service system of Exvb and Eaxvb cables (Eca 0.6/1kv) is well-developed, providing customers with comprehensive support to solve problems encountered during product use and safeguard customers' legitimate rights and interests.
The warranty period of the cable is 18 months from the date of delivery. During the warranty period, if there are faults caused by the product's 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 a customer submits an after-sales application, the after-sales department will respond within 24 hours and arrange technical personnel to communicate with the customer to understand the fault situation. Technical personnel make a preliminary judgment based on the description. For simple problems, they guide customers to check and handle them through phone calls or videos; for those that need on-site handling, technical personnel are arranged to arrive at the site within 48 hours (except for special areas).
During on-site service, technical personnel conduct a comprehensive inspection of the cable to determine the cause of the fault. If it is indeed a quality problem, free replacement or repair is provided, and a warranty is provided for the replaced cable; for faults caused by non-quality reasons (such as improper installation by customers, inconsistent use environment, man-made damage, etc.), paid repair services are provided with transparent charging standards, which are communicated and confirmed with customers in advance.
In addition, the company provides technical support services, including consultation and guidance on cable laying, installation, maintenance, etc. If customers need, technical manuals can be provided or on-site guidance can be arranged according to the actual situation. The company regularly visits customers who have purchased the cables to understand the use of the cables, collect customers' opinions and suggestions on product performance, packaging, transportation, after-sales service, etc., and use this as a reference to continuously improve product quality and service levels.
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