NA2XH Cables
NA2XH Cables is a low-voltage, halogen-free power cable with an aluminum conductor, XLPE (cross-linked polyethylene) insulation, and an LSZH (Low Smoke Zero Halogen) outer sheath. It is designed according to IEC 60502-1 and rated for 3.6kV applications. Lightweight aluminum reduces installation and material costs while maintaining excellent electrical performance and thermal stability. Resistant to moisture and mechanical stress, NA2XH Cables are suitable for indoor, outdoor, and direct burial applications.
- Standard IEC 60502-1, IEC 60228,
- Generally Standard HD 604 5G
- Flame Retardant Standard IEC 60332-1-2
- Low Smoke Standard IEC 61034-1/2, IEC60754-1/2
- Halogen Free Standard IEC 61034-1/2, IEC60754-1/2
- UV Resistant Standard ISO 4892
- Ozone Resistant Standard EN 50396 Resistant to oils, greases
- Voltage Rating U0/U(Um) 1.8/3(3.6)kV
- Working Temperature -40℃ to +90℃
- System Frequency Range(Hz) 49-61
Construction
Technical Specifications
Quality Control
Application
Construction
NA2XH Cables Conductor
Conductor
Class 2 Stranded Plain Aluminium Circular Compact Conductor
Insulation
XLPE(Cross linked Polyethylene)
Sheath
LSZH (Low Smoke Zero Halogen)
Sheath Color
Black
Technical Specifications
NA2XH Cables
Dimension
Electrical Characteristics
| No. of Cores | Nominal Cross Sectional Area | Nominal Insulations Thickness | Nominal Sheath Thickness | Nominal Outer Diameter | Nominal Weight |
| mm² | mm | mm | mm | kg/km | |
| 1 | 16 | 2 | 1.4 | 14 | 240 |
| 1 | 25 | 2 | 1.4 | 15.1 | 285 |
| 1 | 35 | 2 | 1.4 | 16.2 | 330 |
| 1 | 50 | 2 | 1.4 | 17.5 | 390 |
| 1 | 70 | 2 | 1.5 | 19.3 | 490 |
| 1 | 95 | 2 | 1.5 | 20.8 | 580 |
| 1 | 120 | 2 | 1.6 | 22.4 | 690 |
| 1 | 150 | 2 | 1.6 | 24.6 | 810 |
| 1 | 185 | 2 | 1.7 | 25.7 | 940 |
| 1 | 240 | 2 | 1.8 | 28.3 | 1140 |
| 1 | 300 | 2 | 1.8 | 30.6 | 1355 |
| 1 | 400 | 2 | 1.9 | 33.5 | 1660 |
| 1 | 500 | 2.2 | 2 | 38.2 | 2135 |
| 1 | 630 | 2.4 | 2.2 | 42.5 | 2700 |
| 1 | 800 | 2.6 | 2.3 | 47.9 | 3420 |
| 1 | 1000 | 2.8 | 2.4 | 54.8 | 4255 |
| Nominal Cross-Sectional Area |
Maximum Conductor DC Resistance at 20°C |
Maximum Conductor AC Resistance 50Hz |
Current Carrying Capacity | ||
| Laid in ground | Laid in duct | Laid in free air | |||
| mm² | Ω/km | Ω/km | A | A | A |
| 16 | 1.91 | 2.435 | 106 | 77 | 89 |
| 25 | 1.2 | 1.53 | 136 | 99 | 117 |
| 35 | 0.868 | 1.107 | 163 | 119 | 143 |
| 50 | 0.641 | 0.817 | 192 | 142 | 174 |
| 70 | 0.443 | 0.565 | 236 | 176 | 220 |
| 95 | 0.32 | 0.408 | 281 | 213 | 269 |
| 120 | 0.253 | 0.323 | 321 | 245 | 315 |
| 150 | 0.206 | 0.263 | 359 | 277 | 360 |
| 185 | 0.164 | 0.209 | 408 | 318 | 417 |
| 240 | 0.125 | 0.159 | 474 | 375 | 498 |
| 300 | 0.1 | 0.128 | 536 | 430 | 578 |
| 400 | 0.0778 | 0.099 | 613 | 497 | 680 |
| 500 | 0.0605 | 0.077 | 699 | 579 | 801 |
| 630 | 0.469 | 0.06 | 795 | 670 | 936 |
| 800 | 0.0367 | 0.047 | 897 | 769 | 1090 |
| 1000 | 0.0291 | 0.037 | 999 | 878 | 1260 |
Quality Control
NA2XH Cables
Raw Material Test
For NA2XH Cables, raw material testing starts with aluminum conductor certification for electrical and mechanical specifications. XLPE granules are evaluated for contamination, thermal stability, and crosslinking agents via microscopy and TGA. LSZH compounds face rigorous halogen-free verification, smoke opacity pre-tests, and corrosivity checks per IEC standards. The structured process: receipt inspection, random sampling, physical/mechanical testing (tensile, elongation), chemical analysis with ion chromatography, accelerated aging and fire simulation trials, and final release approval. This comprehensive screening secures premium inputs, establishing the base for the NA2XH Cables' conductivity, dielectric strength, and exceptional low-smoke zero-halogen characteristics.
Process inspection
Process inspection during NA2XH Cables manufacturing involves continuous quality monitoring. Conductor stranding checks strand uniformity and surface quality. XLPE insulation extrusion monitors bonding and wall thickness using X-ray systems. LSZH sheath application includes online high-voltage spark testing and diameter control. Assembly stages verify core arrangement and filler distribution. Printing and color consistency are assessed for durability. Critical steps: pre-extrusion material dryness verification, parameter stabilization, real-time capacitance eccentricity checks, gel fraction sampling, and immediate defect removal protocols. This multi-point assurance maintains the NA2XH Cables' precise geometry, reliable insulation, and compliance with LSZH and IEC requirements.
Finished Product
Completed NA2XH Cables are subjected to strict factory acceptance tests. Mandatory routines: DC resistance, high-potential AC test in water, insulation thickness, and sheath integrity. Fire performance tests include smoke production measurement, acidity of gases, and single/bundled flame tests. Mechanical evaluations cover impact and cold bending. The sequential process: reel sampling, environmental conditioning, gradual parameter application, timed exposure monitoring, recovery phase inspection, property re-measurement, and documentation. Additional verifications ensure marking permanence and flexibility. Passing all confirms the NA2XH Cables' fire safety, low emission profile, durability, and suitability for low-voltage critical applications.
Application
Ideal for power supply in metro systems, data centers, theaters, hotels, and educational facilities. Commonly installed indoors, in ducts, or underground where regulations demand low smoke zero halogen cables to minimize risk in populated or confined spaces.
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
Product Packaging
Wires and Cables packaging (1)
Wires and Cables packaging (2)
Wires and Cables packaging (3)
Wires and Cables packaging (4)
Wires and Cables packaging (5)
Wires and Cables packaging (6)
Wires and Cables packaging (7)
Wires and Cables packaging (8)
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What are the advantages of power cables and overhead lines?(1) Reliable operation, because it is installed in a hidden place such as underground, it is less damaged by external forces, has less chance of failure, and the power supply is safe, and it will not cause harm to people; (2) The maintenance workload is small and frequent inspections are not required; (3) No need to erect towers; (4) Help improve power factor.
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Which aspects should be considered when choosing the cross section of a power cable?(1) The long-term allowable working current of the cable; (2) Thermal stability once short circuited; (3) The voltage drop on the line cannot exceed the allowable working range.
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What are the measures for cable fire prevention?(1) Use flame-retardant cables; (2) Use fireproof cable tray; (3) Use fireproof paint; (4) Fire partition walls and fire baffles are installed at cable tunnels, mezzanine exits, etc.; (5) Overhead cables should avoid oil pipelines and explosion-proof doors, otherwise local pipes or heat insulation and fire prevention measures should be taken.
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What should be paid attention to during the transportation and handling of cables?(1) During transportation, loading and unloading, cables and cable reels should not be damaged. It is strictly forbidden to push the cable reels directly from the vehicle. Generally, cables should not be transported and stored flat. (2) Before transporting or rolling the cable reel, ensure that the cable reel is firm, the cable is wound tightly, the oil pipe between the oil-filled cable and the pressure oil tank should be fixed without damage, the pressure oil tank should be firm, and the pressure indication should meet the requirements.
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What inspections should be carried out for the acceptance of cable lines?(1) The cable specifications should meet the regulations, the arrangement should be neat, no damage, and the signs should be complete, correct and clear; (2) The fixed bending radius of the cable, the related distance and the wiring of the metal sheath of the single-core power cable should meet the requirements; (3) The cable terminal and the middle head should not leak oil, and the installation should be firm. The oil pressure of the oil-filled cable and the meter setting should meet the requirements; (4) Good grounding; (5) The color of the cable terminal is correct, and the metal parts such as the bracket are completely painted; (6) There should be no debris in the cable trench, tunnel, and bridge, and the cover should be complete.
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