NAYY-J/NAYY-O Cables
The NAYY-J/NAYY-O Solar Cables provide cost-effective, reliable power distribution in photovoltaic systems. With sector-shaped or round aluminum conductors, PVC core insulation, and robust PVC outer jacket, they meet VDE 0276 requirements. NAYY-J includes a protective earth conductor, while NAYY-O is without. These cables excel in wet environments with superior water and chemical resistance, suitable for direct burial without additional protection. UV-stabilized and mechanically strong, they withstand soil stress and installation pulling forces. Low-weight aluminum reduces handling efforts, making them popular for extensive solar parks. NAYY-J/NAYY-O Solar Cables ensure efficient energy transfer with minimal losses, supporting sustainable solar infrastructure worldwide.
- Manufacturer Standard IEC 60502-1, IEC 60228, VDE 0276-603, HD 603
- Flame Redartant Standard IEC 60332-1, IEC 60332-3-24(Cat. C)
- Halogen Free Standard IEC60754-1/2 and IEC 60684-2
- Voltage Rating Uo/U(Um =1.2kV) 0.6/1kV
- Working Temperature -40℃ to +90℃
- System Frequency Range(Hz) 49-61
Construction
Technical Specifications
Quality Control
Application
Construction
NAYY-J/NAYY-O Solar Cables Conductor
Conductor
Class 1 solid aluminium-circular or circular compacted: Class 2 stranded
Insulation
PVC((Polyvinyl Chloride)
Sheath
PVC(Polyvinyl Chloride)
Insulation Identification NAYY-J
1 core: Green/Yellow
3 core: Green/Yellow, Blue, Brown
4 core: Green/Yellow, Blue, Brown, Green/Yellow Brown, Black Grey
5 core: Green/Yellow, Blue, Brown, Black, Grey
3 core: Green/Yellow, Blue, Brown
4 core: Green/Yellow, Blue, Brown, Green/Yellow Brown, Black Grey
5 core: Green/Yellow, Blue, Brown, Black, Grey
Insulation Identification NAYY-O
1 core: Black
3 core: Black, Brown, Grey
4 core: Blue, Brown, Black, Grey
5 core: Blue, Brown, Black, Grey, Black
3 core: Black, Brown, Grey
4 core: Blue, Brown, Black, Grey
5 core: Blue, Brown, Black, Grey, Black
Technical Specifications
NAYY-J/NAYY-O Cables
NAYY-J /NAYY-O Dimension
| No of Cores | Nominal Cross Section Area | Nominal Thickness of Insulation (m) | Nominal Thickness of Sheath | Nominal Diameter | Approximate Weight |
| mm2 | mm | mm | (mm) | kg/km | |
| 1 | 10 | 1.0 | 1.4 | 8.9 | 99 |
| 1 | 16 | 1 | 1.4 | 9.9 | 127 |
| 1 | 25 | 1.2 | 1.4 | 11.2 | 171 |
| 1 | 35 | 1.2 | 1.4 | 12.2 | 209 |
| 1 | 50 | 1.4 | 1.4 | 13.6 | 267 |
| 1 | 70 | 1.4 | 1.4 | 15.7 | 351 |
| 1 | 95 | 1.6 | 1.8 | 19 | 490 |
| 1 | 120 | 1.6 | 1.8 | 20 | 575 |
| 1 | 150 | 1.8 | 1.8 | 22 | 695 |
| 1 | 185 | 2 | 1.8 | 25 | 845 |
| 1 | 240 | 2.2 | 1.8 | 28 | 1100 |
| 1 | 300 | 2.4 | 1.9 | 30 | 1379 |
| 1 | 400 | 2.6 | 2 | 34 | 1615 |
| 1 | 500 | 2.8 | 2.1 | 37 | 2015 |
| 1 | 630 | 2.8 | 2.2 | 43 | 2472 |
| 3 | 300 | 2.4 | 3 | 59 | 4500 |
| 4 | 6 | 1 | 1.8 | 17 | 377 |
| 4 | 10 | 1 | 1.8 | 19 | 470 |
| 4 | 16 | 1.2 | 1.8 | 24 | 750 |
| 4 | 25 | 1.2 | 1.8 | 25 | 950 |
| 4 | 35 | 1.2 | 1.8 | 28.1 | 1120 |
| 4 | 50 | 1.4 | 1.9 | 29.5 | 1151 |
| 4 | 70 | 1.4 | 2.1 | 33.4 | 1594 |
| 4 | 95 | 1.6 | 2.2 | 39 | 2030 |
| 4 | 120 | 1.6 | 2.4 | 43 | 2400 |
| 4 | 150 | 1.8 | 2.5 | 46 | 3030 |
| 4 | 185 | 2 | 2.7 | 51 | 3650 |
| 4 | 240 | 2.2 | 2.9 | 58 | 4800 |
| 4 | 300 | 2.4 | 3 | 63.5 | 5685 |
| 5 | 10 | 1 | 1.8 | 19.3 | 585 |
| 5 | 16 | 1.2 | 1.8 | 21.8 | 938 |
| 5 | 25 | 1.2 | 1.8 | 27.1 | 1188 |
| 5 | 35 | 1.2 | 1.8 | 30.2 | 1375 |
| 5 | 50 | 1.4 | 1.8 | 36.2 | 1720 |
| 5 | 70 | 1.4 | 2.1 | 44 | 2240 |
| 5 | 95 | 1.6 | 2.1 | 47 | 3060 |
| 5 | 120 | 1.6 | 2.4 | 53 | 3580 |
| 5 | 150 | 1.8 | 2.5 | 56 | 4400 |
| 5 | 185 | 2 | 2.7 | 59 | 5481 |
| 5 | 240 | 2.2 | 2.9 | 71 | 7000 |
Quality Control
NAYY-J/NAYY-O Cables
Raw Material Test
For NAYY-J/NAYY-O Solar Cables, raw material testing begins with aluminum ingot/rod certification. Samples are checked for alloy composition, impurities, and electrical conductivity using spectrometers. PVC resins undergo viscosity, K-value, and monomer residue analysis. Stabilizers and plasticizers are quantified for migration risk. Conductor rods face elongation and bend tests. Insulation compounds are tested for dielectric strength and thermal endurance pre-extrusion. The step-by-step process: incoming documentation review, random sampling, physical/mechanical testing, chemical verification, accelerated aging trials, and material release. This rigorous evaluation establishes a defect-free foundation for the NAYY-J/NAYY-O Solar Cables' durability and electrical performance in solar installations.
Process inspection
Process inspection in NAYY-J/NAYY-O Solar Cables manufacturing involves multi-point quality checks. Aluminum drawing/stranding monitors strand compactness and surface defects. Core insulation extrusion ensures even coverage and adhesion with real-time thickness gauges. Filling and assembly stages verify core positioning and tape application. Outer sheath extrusion includes spark testing and eccentricity measurement. Printing durability and color consistency are inspected. Critical steps: pre-extrusion compound mixing verification, line speed/temperature control, in-process voltage testing, sampling for cross-section analysis, and immediate defect removal. This ensures the NAYY-J/NAYY-O Solar Cables achieve uniform construction, reliable insulation, and full VDE compliance throughout production.
Finished Product
Completed NAYY-J/NAYY-O Solar Cables are rigorously tested before dispatch. Key routines: DC resistance measurement, AC voltage test (immersed if required), insulation and sheath thickness checks, and continuity verification. Flame test (vertical), cold bend, and impact resistance confirm mechanical properties. Long-duration heat and moisture tests assess aging. The sequential process: reel sampling, test setup with water bath/oven, parameter application (voltage/temperature), timed exposure, recovery inspection, electrical/mechanical re-measurement, and documentation. Additional checks cover outer diameter and weight. Passing all verifies the NAYY-J/NAYY-O Solar Cables' safety, robustness, and efficiency for photovoltaic power transmission.
Application
NAYY-J and NAYY-O are low-voltage power cables designed according to IEC 60502-1 standard, suitable for fixed installation in indoor, outdoor, underground, or concrete (not subject to vibration) environments. For solar projects, substation projects, Electrical Equipment in air, ground, water, and tube.
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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