NYY-J / NYY-O 0.6/1kV Low Voltage Power Cable
NYY-J / NYY-O 0.6/1kV are low voltage power cables designed according to VDE 0276 standard, suitable for fixed installation in indoor, outdoor, and underground, cable ducts or concrete (not exposed to mechanical stress or vibration). It uses copper conductors to deliver stable electrical performance and features a durable outer sheath that protects against mechanical damage, moisture, and chemical exposure.
NYY-J cables incorporate a protective earth conductor for enhanced safety, while NYY-O cables are supplied without an earth conductor for specific system designs. Designed for a rated voltage of 0.6/1kV and manufactured in compliance with IEC requirements, the cable is suitable for indoor and outdoor use, including installation in ducts, concrete, or underground. Its balanced construction supports long-term reliability, easy installation, and low maintenance costs in demanding operating environments.
- Voltage Rating(Uo/U) 0.6/1kV
-
Temperature Rating
Fixed: -15ºC to +70ºC
Flexed: -5ºC to +50ºC - Minimum Bending Radius Fixed: 12 x overall diameter
Construction
Technical Specifications
Quality Control
Application
Construction
NYY-J / NYY-O 0.6/1kV Low Voltage Power Cable Construction
Conductor
RE: Class 1 solid copper conductor
RM: Class 2 stranded copper conductor
RM: Class 2 stranded copper conductor
Insulation
XLPE (Cross-Linked Polyethylene)
Filler
PVC (Polyvinyl Chloride)
Sheath
PVC(Polyvinyl Chloride)
Sheath Colour
Black
Note： NYY-O (without Green/Yellow earth conductor) is also available
Note： NYY-O (without Green/Yellow earth conductor) is also available
Manufacturer Standard
IEC 60502-1, VDE 0276-603, HD 603, IEC 60228
Flame retardant
IEC/EN 60332-1-2
Core Identification
2 core: Brown /Blue
3 core: Brown /Blue/Green/Yellow
4 core: Brown / Black/ Grey/ Green/Yellow
5 core: Green/Yellow /Brown /Blue/ Black/ Grey
7 core and above: Green/Yellow/ Black with/White numbers
3 core: Brown /Blue/Green/Yellow
4 core: Brown / Black/ Grey/ Green/Yellow
5 core: Green/Yellow /Brown /Blue/ Black/ Grey
7 core and above: Green/Yellow/ Black with/White numbers
Application
NYY-J/NYY-O cables are suitable for fixed installation in indoor, outdoor, underground, and concrete environments (but not suitable for vibration environments). They are widely used in industrial power distribution, building power supply, and power transmission systems in municipal engineering.
Technical Specifications
NYY-J / NYY-O 0.6/1kV Low Voltage Power Cable
NYY-J / NYY-O Low Voltage Power Cable Technical Specifications
| No of Cores |
Nominal Cross Section Area |
Conductor Type |
Nominal Thickness of insulation |
Nominal Thickness of Sheath |
Nominal Overall Diameter |
Approximate Weight |
| mm2 | mm | mm | mm | kg/km | ||
| 1 | 2.5 | RE | 0.8 | 1.4 | 6.15 | 62 |
| 1 | 4 | RE | 1 | 1.4 | 7.5 | 85 |
| 1 | 6 | RE | 1 | 1.4 | 7.5 | 108 |
| 1 | 10 | RM | 1 | 1.4 | 8.6 | 155 |
| 1 | 16 | RM | 1 | 1.4 | 9.6 | 218 |
| 1 | 25 | RM | 1.2 | 1.4 | 11.1 | 318 |
| 1 | 35 | RM | 1.2 | 1.4 | 12.1 | 414 |
| 1 | 50 | RM | 1.4 | 1.4 | 13.7 | 552 |
| 1 | 70 | RM | 1.4 | 1.4 | 15.5 | 750 |
| 1 | 95 | RM | 1.6 | 1.5 | 17.6 | 1020 |
| 1 | 120 | RM | 1.6 | 1.6 | 19.3 | 1259 |
| 1 | 150 | RM | 1.8 | 1.6 | 21 | 1546 |
| 1 | 185 | RM | 2 | 1.7 | 23.2 | 1913 |
| 1 | 240 | RM | 2.2 | 1.8 | 26.2 | 2471 |
| 1 | 300 | RM | 2.4 | 2 | 29.2 | 3097 |
| 1 | 400 | RMv | 2.6 | 2 | 33.8 | 4100 |
| 1 | 500 | RMv | 2.8 | 2.1 | 38 | 5200 |
| 2 | 1.5 | RE | 0.8 | 1.8 | 10 | 147 |
| 2 | 2.5 | RE | 0.8 | 1.8 | 10.7 | 179 |
| 2 | 4 | RM | 1 | 1.8 | 13 | 268 |
| 2 | 6 | RM | 1 | 1.8 | 14.2 | 337 |
| 2 | 10 | RM | 1 | 1.8 | 16.2 | 472 |
| 2 | 16 | RM | 1 | 1.8 | 18.2 | 644 |
| 3 | 1.5 | RE | 0.8 | 1.8 | 10.4 | 166 |
| 3 | 2.5 | RE | 0.8 | 1.8 | 11.3 | 212 |
| 3 | 4 | RE | 1 | 1.8 | 13.1 | 299 |
| 3 | 6 | RM | 1 | 1.8 | 15 | 402 |
| 3 | 10 | RM | 1 | 1.8 | 17.1 | 570 |
| 3 | 16 | RM | 1 | 1.8 | 19.2 | 789 |
| 3 | 25 | RM | 1.2 | 1.8 | 22.1 | 1141 |
| 3 | 35 | RM | 1.2 | 1.8 | 24.1 | 1462 |
| 3 | 50 | RM | 1.4 | 1.8 | 27.6 | 1964 |
| 3 | 70 | RM | 1.6 | 2.1 | 36.3 | 3635 |
| 3 | 95 | RM | 1.6 | 2.2 | 40 | 4488 |
| 4 | 1.5 | RE | 0.8 | 1.8 | 11.6 | 198 |
| 4 | 2.5 | RE | 0.8 | 1.8 | 12.1 | 252 |
| 4 | 4 | RM | 1 | 1.8 | 15.1 | 391 |
| 4 | 6 | RM | 1 | 1.8 | 16.5 | 465 |
| 4 | 10 | RM | 1 | 1.8 | 18.6 | 702 |
| 4 | 16 | RM | 1 | 1.8 | 21.1 | 992 |
| 4 | 25 | RM | 1.2 | 1.8 | 24.2 | 1431 |
| 4 | 35 | RM | 1.2 | 1.8 | 26.6 | 1861 |
| 4 | 50 | RM | 1.4 | 1.9 | 30.9 | 2535 |
| 4 | 70 | RM | 1.4 | 2.1 | 35.1 | 3441 |
| 4 | 95 | RM | 1.6 | 2.2 | 40.4 | 4691 |
| 4 | 120 | RM | 1.6 | 2.4 | 44.2 | 5757 |
| 4 | 150 | RM | 1.8 | 2.5 | 48.5 | 7095 |
| 4 | 185 | RM | 2 | 2.7 | 53.9 | 8810 |
| 4 | 240 | RM | 2.2 | 2.9 | 61.1 | 11400 |
| 5 | 1.5 | RE | 10.8 | 1.8 | 12 | 232 |
| 5 | 2.5 | RE | 0.8 | 1.8 | 13.1 | 302 |
| 5 | 4 | RM | 1 | 1.8 | 16.6 | 477 |
| 5 | 6 | RM | 1 | 1.8 | 18.2 | 618 |
| 5 | 10 | RM | 1 | 1.8 | 20.3 | 853 |
| 5 | 16 | RM | 1 | 1.8 | 23.1 | 1212 |
| 5 | 25 | RM | 0.8 | 1.8 | 26.6 | 280 |
| 7 | 1.5 | RE | 1 | 1.8 | 16.6 | 477 |
| 7 | 2.5 | RE | 0.8 | 1.8 | 14.1 | 368 |
| 12 | 1.5 | RE | 0.8 | 1.8 | 16.6 | 475 |
| 12 | 2.5 | RE | 0.8 | 1.8 | 18.2 | 628 |
| 14 | 1.5 | RE | 0.8 | 1.8 | 17.1 | 515 |
| 19 | 1.5 | RE | 0.8 | 1.8 | 18.9 | 648 |
| 19 | 2.5 | RE | 0.8 | 1.8 | 20.3 | 843 |
| 27 | 1.5 | RE | 0.8 | 1.8 | 22.6 | 895 |
Quality Control
NYY-J / NYY-O 0.6/1kV Low Voltage Power Cable
Raw Material Test
Raw Material Test establishes the quality foundation for the NYY-J / NYY-O 0.6/1kV Low Voltage Power Cable. Copper conductors are verified for conductivity, dimensional accuracy, and mechanical strength. PVC insulation materials are tested for dielectric performance, thermal stability, and resistance to aging. Outer sheath compounds undergo abrasion, tensile, and environmental resistance testing. For NYY-J designs, protective earth conductor materials are separately inspected. Only qualified raw materials are released for manufacturing to ensure consistent cable quality.
Process inspection
Process Inspection ensures controlled production of the NYY-J / NYY-O 0.6/1kV Low Voltage Power Cable. Conductor preparation and stranding are inspected for uniform structure. PVC insulation extrusion is monitored for correct thickness and surface quality. Core identification and assembly are checked to match NYY-J or NYY-O specifications. Sheath extrusion is continuously controlled to ensure mechanical protection and dimensional compliance. Routine in-process tests confirm production stability.
Finished Product
Finished Product Test confirms the safety and reliability of the NYY-J / NYY-O 0.6/1kV Low Voltage Power Cable before delivery. Electrical tests include conductor resistance and insulation resistance measurement. Voltage testing verifies insulation strength. Mechanical and visual inspections ensure correct construction, labeling, and overall workmanship. Voltage withstand tests confirm insulation reliability at rated voltage. Mechanical tests assess sheath robustness and flexibility. Visual inspection ensures proper marking, core identification, and packaging prior to shipment.
Application
Used in industrial plants, commercial buildings, power distribution networks, infrastructure projects, and underground installations requiring reliable low voltage power transmission.
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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