Aug 21, 2025

NA2XRY Cable Specifications: What to Look for When Purchasing

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NA2XRY Cable

When selecting a cable for industrial or infrastructure projects, understanding its specifications is crucial. This ensures safety, performance, and compliance. The NA2XRY cable is a popular low-voltage power cable. It’s known for its strength and ability to withstand tough conditions. This article highlights the main specifications and factors to consider when choosing an NA2XRY cable.

Materials and Cable Design

 

Choosing the Conductor: Copper or Aluminum


The conductor is the core part of any electrical cable. It affects how smooth electricity flows. NA2XRY cables usually have aluminum conductors. Aluminum is lighter than copper. It also costs less. It provides good conductivity for plenty of jobs.


But copper conductors are used in different cables sometimes. This happens when you need better conductivity or more flexibility.


Choosing between copper and aluminum depends on a few things. Think about the current load, where it's being installed, and your budget. Copper offers better conductivity. It's also stronger. Aluminum saves money. It works just fine when it's the right size.

Insulation Material


Insulation prevents current leakage and protects against environmental stress. NA2XRY cables use cross-linked polyethylene (XLPE) insulation. This material has excellent heat resistance and dielectric strength. It ensures long-term reliability.
XLPE allows the cable to handle higher temperatures than traditional PVC insulation. This makes it ideal for industrial settings where thermal durability is key.

Environmental and Safety Factors

 

Protection from External Conditions


NA2XRY cables are designed for harsh environments. They are used in low-voltage power systems. These cables suit underground installations in industrial settings. They have added mechanical protection. They work well indoors, in tunnels, cable trenches, shafts, or buried directly.

Steel wire armor (SWA) boosts their resistance to external forces. This includes pressure from soil or impacts during installation or maintenance.

Flame Resistance

NA2XRY cables offer strong mechanical protection. Their flame resistance depends on the sheath material used. In fire-prone areas, cables with low smoke zero halogen (LSZH) sheath are better.

Performance and Durability

 

Voltage Rating


NA2XRY cables have a 0.6/1kV rating per IEC standards. They are used for low-voltage power systems. This makes them suitable for residential, commercial, and industrial equipment.

Current Carrying Capacity


The current capacity depends on the cable’s cross-sectional area and installation conditions. Factors like ambient temperature or grouping with other cables matter. Derating is needed when multiple cables are bundled or installed in hot areas.
 

Temperature Range


XLPE insulation allows NA2XRY cables to operate at up to 90°C normally. During short circuits, they can handle up to 250°C for a short time (usually 5 seconds). This ensures safety during faults.

Choosing the Right Cable Size and Length

 

Cable Cross-Section Area


Picking the right cross-sectional area prevents overheating and ensures efficiency. Sizes range from 10 mm² to several hundred mm² based on load needs. Undersized cables cause voltage drop and energy loss. Oversized cables raise costs unnecessarily.

Calculate the load based on expected current demand over the system’s lifespan.

Distance and Voltage Drop


Voltage drop is a concern over long distances. High current demand over a long NA2XRY cable may need a larger conductor. This maintains acceptable voltage at the load end. Engineers should calculate voltage drop per standards (usually under 5%). Consider conductor resistance and load characteristics.

Manufacturing Standards and Certification

 

Certification


Trusted manufacturers ensure NA2XRY cables meet standards like IEC 60502-1 or BS 5467 (common in the UK). Certifications confirm safety norms for insulation resistance, flammability, and tensile strength.

Safety Compliance


Compliance with local codes is essential. Examples include the NEC (National Electrical Code) or CE marking in Europe. RoHS compliance limits hazardous substances, especially in regulated regions. Adhering to regulations ensures safe operation and reduces risks during inspections or insurance claims.

Quality Control and Testing

 

Cable Inspection


Visual checks during production ensure consistent conductor stranding, insulation thickness, and sheath quality. Clear markings also matter. These factors affect performance in the field.

Factory Acceptance Test (FAT) includes dimensional checks , physical tests and electrical properties tests. These ensure cables are ready for large infrastructure projects.

DC Resistance Test


A DC resistance test measures conductor resistance per unit length at standard temperatures. It confirms material quality across batches before use in service networks.

Selecting a Reliable Manufacturer

 

Why Choose TDDL?


TDDL is a trusted manufacturer with a wide range of medium- and low-voltage cables. Our products suit tunnels, shafts, trenches, and direct burial. NA2XRY cables from TDDL withstand mechanical forces and some tensile stress. They are used in transformer stations, power plants, and industrial facilities.

TDDL offers both armored cables like NA2XRY and unarmored ones for tray-mounted setups. This gives customers flexibility without sacrificing quality.

Reputation and Experience


A manufacturer’s reputation shows their commitment to quality. TDDL has built trust by delivering certified products meeting IEC standards. Our cables serve industries from utilities to automation globally.

Customer reviews and third-party audits strengthen TDDL’s credibility. This matters for large-scale projects needing reliable cabling.

Comparing Manufacturers


When evaluating manufacturers, consider:
  • Range of certifications
  • Customization options
  • Delivery timelines
  • After-sales support
  • Pricing clarity
  • Availability of technical documents like datasheets and installation guides
 
These factors help buyers choose suppliers that meet project needs and ensure long-term reliability.


Buying an NA2XRY cable from low voltage cables requires careful thought. Evaluate materials, environmental suitability, and compliance with regulations. Consider performance factors like current capacity and thermal endurance. These cables are ideal for underground utilities or industrial distribution panels. They offer armored protection against harsh conditions. Choose wisely to ensure safety and efficiency in demanding infrastructure projects.

FAQ

 

Q: What's an NA2XRY cable used for?


A: NA2XRY cables carry low-voltage power. They're built for rough settings. You'll often see them in places like factories or power stations. They're also used underground. Think tunnels or trenches. These spots need cables that can take a presseure.

Q: How do I know if NA2XRY is the right cable for my job?


A: Look at three things: your project's voltage needs, the surroundings, and physical hazards. NA2XRY cables work great for low-voltage systems (0.6/1kV). They're a top pick if your setup needs armor. That armor protects against damage. This is key for buried cables or places like factories.

Q: Can I use NA2XRY cables outside?


A: Yes, definitely. They're good for outdoor use. This is especially true for buried setups. Their steel wire armor shields them. It guards against water, dirt pressing down, and knocks. Just make sure the outer covering fits your specific environment.

 
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