In industrial automation or power control projects, control cables are the “nervous system.” Choosing the wrong cable can lead to these problems:
- Acceptance issues: While claiming to meet national standards, testing reveals thinner copper wires and weaker insulation, resulting in project failure and delays.
- Insulation short circuits: Ordinary PVC only withstands temperatures up to 70℃; slight overload or ambient heat can cause the outer shell to soften or even catch fire.
- Unstable signal: Substandard shielding can cause the signal to fluctuate wildly upon system startup.
We are a direct cable supplier from a Chinese factory. We don’t play games; we only do one thing: produce a high-quality cable for you according to regulations.
No middlemen taking a cut; all costs are spent on copper and other materials. When you talk to us, you’re dealing with a technically savvy manufacturer, not just a salesperson.
What makes our XLPE control cable so superior?
- Insulation is truly robust: The cross-linked polyethylene (XLPE) we use undergoes physical/chemical cross-linking treatment. Rated temperature resistance is directly extended to 90℃, and it can withstand 250℃ instantaneous short-circuit. Simply put, it’s more durable, less prone to aging, and its insulation performance remains stable even after being buried underground for decades.
- Pure oxygen-free copper, rejecting inferior copper: The core of the cable is copper. We only use high-purity oxygen-free copper rods, which have high conductivity, low resistance, and do not generate heat. If you cut it open, the copper wires will be a bright purplish-red, not the dark, dull material of inferior materials.
- No cutting corners in manufacturing: We strictly adhere to standards for the required shielding layer thickness and wrapping overlap. The XLPE layer is evenly distributed with low eccentricity, effectively preventing voltage breakdown and ensuring that not a single byte of signal is lost.
- Suitable for various environments: Whether you need flame retardant, fire resistant, low-smoke halogen-free, or steel tape armor, just specify your operating conditions, and we can customize to your needs and provide a complete testing report.
If you currently have a project and are selecting a cable, or want to compare prices from genuine manufacturers: Don’t hesitate, contact us directly.
What is an XLPE control cable?
XLPE control cable is a control cable that uses cross-linked polyethylene (XLPE) as insulation and polyvinyl chloride (PVC) or low-smoke halogen-free (LSZH) as the sheath.
The core structure typically includes:
- Conductor: Multiple strands of finely twisted copper wire (for increased flexibility)
- Insulation: Cross-linked polyethylene (XLPE)
- Cable: Stranded core wires, possibly with a shielding layer (copper braid or aluminum foil)
- Sheath: PVC, PE, or LSZH (flame retardant/low-smoke halogen-free)
Detailed technical specifications
| project | Parameter details | Remark |
|---|---|---|
| Rated voltage (U0/U) | 450/750V (standard) 0.6/1kV (special) | Long-term operating voltage does not exceed rated voltage |
| Cores | 1, 2, 3, 4, 5, 7, 10, 12, 14, 16, 19, 24, 30, 37, 52, 61 core | Customization available upon request |
| Conductor materials | Copper (Cu) or aluminum (Al) | Standard is oxygen-free copper |
| conductor cross section | 0.75, 1.0, 1.5, 2.5, 4, 6, 10, 16, 25, 35, 50 mm² | Control cables are typically ≤10mm², while power control cables are ≤50mm². |
| Insulating materials | XLPE (cross-linked polyethylene) | Indicator colors: black/white/red/green/yellow/blue/yellow-green, numerical designation |
| Insulation thickness | See the structural dimensions in the table below. | Depends on conductor cross-section |
| Sheath material | PVC (Polyvinyl Chloride) / PE (Polyethylene) / LSZH (Low Smoke Halogen-Free) | The color is usually black (RAL9005) or gray. |
| Cable forming method | Twisting | Insulated wire cores are stranded together to form a cable, filled with hemp or PP rope. |
| Shielding layer | Copper wire braiding / Copper strip wrapping / Aluminum-plastic composite tape | The weaving density is typically 70%, 85%, or 90%. |
| Armor layer | Steel belt armor (22) / Steel wire braid (32) / No armor | Armored models only |
Why choose XLPE control cables? (vs PVC cables)
| characteristic | XLPE control cable | Ordinary PVC control cable |
|---|---|---|
| Long-term temperature resistance | 90°C (up to 250°C in emergencies) | 70°C |
| Short circuit temperature resistance | 250°C (within 5 seconds) | 160°C |
| Current carrying capacity | About 15-20% higher | benchmark |
| Chemical resistance | Resistant to acid, alkali and oil corrosion | generally |
| Insulation resistance | Extremely high, not prone to aging | Susceptible to moisture |
| Environmental protection | Optional Low Smoke Halogen-Free (LSZH) | Combustion produces toxic gases |
Conclusion: If your project has high ambient temperature, requires high flow rate, or has strict fire safety requirements (such as subways, hospitals, and high-rise buildings), XLPE is the only option.
XLPE control cable advantages
1. Thermal Stability and Weather Resistance: XLPE’s cross-linked structure ensures stable physical properties across a wide temperature range of -40℃ to 90℃, resisting UV aging and making it suitable for harsh environments such as outdoor direct burial and tunnel installation.
2. Mechanical Strength and Durability: Tensile strength is increased by 30%, offering excellent impact resistance. Combined with steel strip/wire armored structures (such as STA and SWA types), it can withstand soil pressure, mechanical vibration, and animal bites.
3. Chemical Resistance and Environmental Friendliness: Resistant to acids, alkalis, oils, and most industrial solvents. It releases very few halogen gases during combustion, complying with RoHS environmental standards and reducing long-term ecological impact.
4. Superior Electrical Performance: Low capacitance design (<0.06μF/km) ensures delay-free signal transmission, while high dielectric strength (>20kV/mm) guarantees safety in high-voltage environments and reduces the risk of leakage.
5. Easy Installation: Lightweight design (20% lower density than PVC) combined with high flexibility facilitates coiling, conduit installation, and wiring in confined spaces, reducing construction costs and time.
6. Economic efficiency and long lifespan: Compared with PVC cables, the service life is extended by more than 50%, maintenance costs are reduced, and the cost advantage over the entire life cycle is significant.
FAQ
Q1: Can XLPE control cables be buried directly underground?
A: Yes, but you must choose models with an outer sheath (such as PE or PVC) and possibly an armor layer (such as steel tape or wire) to protect against moisture and mechanical damage from the soil.
Q2: How much more expensive are XLPE cables than PVC cables?
A: Raw material costs are typically 20%-30% higher, but considering their longer lifespan, lower maintenance costs, and higher safety, the total life cycle cost (TCO) is often lower.
Q3: Do you have XLPE control cables in stock?
A: We have common specifications (such as 1.5mm², 2.5mm²) in stock. Custom production of special specifications is supported, with a lead time of only 7-10 days.