What is XLPE Cable?
XLPE stands for Cross-Linked Polyethylene. It is a special type of plastic. We use it to cover the copper wire inside. Normal PVC cables get soft when they are hot. But XLPE does not. It stays hard even at 90 degrees Celsius. This makes the cable very strong. It is safe for high voltage power. You can use it underground or outside. It lasts a long time. It does not break easily. This is why engineers love it. It is better than old paper cables. It is modern and clean.
Why Choose Our XLPE Cable?
We make cables in a strict way. We check every meter. The copper inside is 99.9% pure. This means less energy loss. The XLPE insulation is thick. It stops electricity leaks. We also add an armor layer. This is usually steel tape. It protects the cable from rocks. You can pull it underground without damage. Our outer sheath is black. It resists UV rays from the sun. It also resists chemicals in the soil. You do not need to worry about maintenance. It works for 30 years or more. We offer different voltages. We have low voltage and high voltage options.
Detailed Structure of the Cable
H5: The Conductor (Core)
The core is made of copper. We use solid or stranded copper. Stranded is more flexible. It is easy to bend during installation. The conductor carries the current. We make sure the diameter is exact. If it is too thin, it gets hot. Our copper is bright and shiny. It has no impurities.
H5: The Insulation (XLPE)
This is the most important part. We use cross-linked polyethylene. The color is usually black or red. It separates the conductors. It holds the electricity inside. The wall thickness follows IEC standards. It is very smooth. There are no bubbles. Bubbles cause failure. We use high pressure to make it perfect.
H5: The Bedding
Over the insulation, we add a layer of PVC. It is like a cushion. It protects the XLPE from the armor. The armor can be sharp. This layer stops the steel from cutting the core. It makes the cable round and strong.
H5: The Armor
We use steel wire or steel tape. It depends on your need. Steel tape is for underground. Steel wire is for aerial use. The armor gives mechanical protection. If a truck drives over it, the cable is safe. It also stops rats from biting.
H5: The Outer Sheath
The last layer is black PE or PVC. It is the skin of the cable. It stops water. It stops oil. It stops dirt. We print white text on it. The text shows the brand, voltage, and size. You can see it clearly.
Technical Parameters Table
Here is our standard data. We can customize it.
| Parameter | Value |
|---|---|
| Voltage (Uo/U) | 0.6/1kV, 8.7/15kV, 26/35kV |
| Conductor Material | Copper (Cu) or Aluminum (Al) |
| Insulation Material | XLPE (Cross-Linked Polyethylene) |
| Armor Material | Steel Tape (STA) or Steel Wire (SWA) |
| Sheath Material | PVC or PE (Polyethylene) |
| Max Operating Temp | 90°C (Conductor), 70°C (Sheath) |
| Min Bending Radius | 12 times cable diameter (Single core) |
| Standard | IEC 60502, BS 5467, ASTM |
| Conductor Resistance | Meets IEC 60228 Class 1 or 2 |
| Insulation Resistance | > 1000 MΩ·km |
| Flame Test | IEC 60332-1 (Self-extinguishing) |
Main Applications
H5: Power Transmission
This is the main use. We send power from stations to houses. It handles high current. It is safe for the grid. You can find it in substations. It connects transformers to buildings.
H5: Underground Installation
Most of our cables go underground. Direct burial is common. You do not need a pipe. The armor protects it. The PE sheath stops moisture. It is great for city power grids. It is also good for parks and streets.
H5: Industrial Plants
Factories need strong cables. Machines use a lot of power. XLPE cable handles the load. It does not get hot easily. It is safe in chemical plants. It resists corrosion.
H5: Marine and Offshore
We make special cables for ships. They have extra protection. The sheath is thick. It stops salt water. It stops oil. It works on oil rigs. It works in ports. It is very reliable in wet places.
Advantages Over Other Cables
Better Heat Resistance
PVC cables max out at 70°C. Our XLPE goes to 90°C. In an emergency, it goes to 250°C. This means you can push more power through a smaller wire. It saves space.
Higher Current Capacity
Because it handles heat, it carries more amps. A 120mm XLPE cable carries more load than a 120mm PVC cable. You save money on copper size.
Water Treeing Resistance
Water trees are tiny cracks inside old cables. Water gets in and breaks the insulation. XLPE does not do this. It is chemically stable. It is perfect for wet ground.
Eco-Friendly
We do not use lead. Old cables had lead. It is bad for health. Our materials are RoHS compliant. They are safe for the environment.
Light Weight
Compared to oil-filled cables, we are light. It is easier to move. It is cheaper to ship. Installation is faster. You need fewer people to pull it.
Packing and Shipping
We pack cables on wooden drums. The drum is fumigated. It stops bugs. The cable ends are sealed. We use plastic caps. This keeps water out during shipping. We wrap the cable with plastic film. It stays dry. We can ship by sea. We can ship by train. The drums are strong. They will not break. We load them into containers. We fix them well so they do not move. You get the goods in perfect shape.
How to Order
Tell us your voltage. Tell us the size (mm2). Tell us if you need armor. Tell us the length. We will send a quote fast. We can send samples. We have stock for common sizes. Production takes 10 to 20 days. We ship worldwide. We do DDP or FOB terms. We accept T/T or L/C. Contact us today for the best price. We are your factory partner.