FR-N30XA8E-R 18/30kV Cable Gen to NF C 33-226 - Cu/XLPE/MDPE
The NF C 33-226 Cu-XLPE-MDPE 18/30kV Cable is a robust medium voltage power cable designed for safe and reliable energy transmission in fixed installations. It features a Class 2 stranded copper conductor, cross-linked polyethylene (XLPE) insulation, and a medium-density polyethylene (MDPE) outer sheath, ensuring outstanding electrical conductivity, insulation integrity, and mechanical protection.
Complying with NF C 33-226, IEC 60502-2, and EN 60228, this cable is ideal for power distribution in industrial plants, substations, municipal grids, and commercial facilities. It provides excellent resistance to water (AD7) and UV radiation (ISO 4892), while being halogen-free (IEC/EN 60754-1) to ensure environmental and operational safety.
With a voltage rating of 18/30 (36)kV and maximum operating temperature of 90°C, the Cu-XLPE-MDPE construction guarantees stable, efficient, and long-lasting performance in medium- and high-voltage networks.
- Voltage Rating(Uo/U) 18/30 (36)kV
- Maximum operating temp 90°C
- Initial temperature at S.C.C 80°C
- Maximum temp during S.C 250°C
- Minimum Bending Radius 20 x overall diameter
Construction
Technical Specifications
Quality Control
Application
Construction
FR-N30XA8E-R 18/30kV Cable Constrution
Conductor
Class 2 stranded Aluminium
Conductor Screen
Extruded Inner Semi Conductor (Bonded Type)
Insulation
XLPE (Cross-Linked Polyethylene)
Insulation Screen
Extruded Inner Semi Conductor (Strippable Type)
Waterblocking
Semi Conductive Longitudinal Waterblocking Tape
Aluminium Tape
Applied Longitudinally
Sheath
MDPE (Medium Density Polyethylene)
Sheath Colour
Black
Manufacturer Standard
NF C 33-226, IEC 60502-2, EN 60228
Halogen free
IEC/EN 60754-1
Water resistant
AD7
UV resistant
ISO 4892
Technical Specifications
FR-N30XA8E-R 18/30kV Cable Gen to NF C 33-226 - Cu/XLPE/MDPE
FR-N30XA8E-R 18/30kV Cable Data Sheet
| No. Of Cores |
Nominal Cross Sectional Area |
Nominal Conductor Screen Thickness |
Nominal Insulation Thickness |
Nominal Sheath Thickness |
Nominal Overall Diameter |
Nominal Weight |
| mm² | mm | mm | mm | mm | kg/km | |
| 1 | 50 | 0.6 | 6.7 | 1.9 | 30.6 | 1095 |
| 1 | 70 | 0.6 | 6.7 | 1.9 | 32.4 | 1341 |
| 1 | 95 | 0.6 | 6.7 | 2 | 33.9 | 1626 |
| 1 | 120 | 0.6 | 6.7 | 2.1 | 35.5 | 1903 |
| 1 | 150 | 0.6 | 6.7 | 2.1 | 37.1 | 2210 |
| 1 | 185 | 0.6 | 6.7 | 2.2 | 38.8 | 2582 |
| 1 | 240 | 0.6 | 6.7 | 2.2 | 41.2 | 3186 |
| 1 | 300 | 0.6 | 6.7 | 2.3 | 43.8 | 3797 |
| 1 | 400 | 0.6 | 6.7 | 2.4 | 46.6 | 4666 |
| 1 | 500 | 0.6 | 6.7 | 2.5 | 50.2 | 5723 |
| 1 | 630 | 0.7 | 6.7 | 2.6 | 54.9 | 7173 |
| 1 | 800 | 0.7 | 6.7 | 2.8 | 59.4 | 9033 |
Quality Control
FR-N30XA8E-R 18/30kV Cable Gen to NF C 33-226 - Cu/XLPE/MDPE
Raw Material Test
Raw Material Testing for FR-N30XA8E-R 18/30kV Cable forms the foundation of product quality assurance and compliance with NF C 33-226. All incoming materials are strictly inspected before being released into production. XLPE insulation compounds undergo physical and electrical testing, including melt flow index, density, thermal aging resistance, and dielectric strength. High-temperature aging simulations confirm long-term insulation stability under rated operating conditions. Contamination control tests are conducted to prevent insulation defects that could affect cable performance.MDPE sheath materials are tested for tensile strength, elongation at break, shrinkage, and resistance to environmental stress cracking. Additional tests assess moisture resistance and UV stability to ensure reliable performance in outdoor and underground environments.
Process inspection
Process Inspection is implemented throughout the manufacturing of FR-N30XA8E-R 18/30kV Cable to maintain continuous quality control and production consistency.XLPE insulation extrusion is closely controlled by monitoring extrusion temperature, line speed, insulation thickness, and concentricity. Online spark testing is applied to detect insulation defects in real time. Periodic sampling is conducted for hot set, elongation, and cross-linking degree tests to confirm insulation quality. The cabling stage focuses on triplex assembly accuracy, including lay length, phase identification, and mechanical stability. Alignment and bonding integrity between cores are verified. MDPE sheathing inspection includes thickness measurement, surface quality evaluation, and adhesion checks. Automated diameter monitoring systems provide continuous feedback.
Finished Product
Finished Product Testing ensures that FR-N30XA8E-R 18/30kV Cable fully complies with NF C 33-226 before delivery. Electrical tests include conductor resistance measurement, AC voltage withstand testing at specified test levels, and partial discharge testing to verify insulation integrity. These tests confirm the cable’s ability to operate safely under rated and overvoltage conditions. All test results are compiled into final inspection reports with certificates of conformity. Only cables that pass all finished product tests are approved for shipment, ensuring reliable performance of FR-N30XA8E-R 18/30kV Cable in service.
Application
FR-N30XA8E-R 18/30kV Cable is used in medium-voltage power distribution systems, including substations, industrial plants, renewable energy facilities, and underground networks requiring NF C 33-226 compliance.
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
Product Packaging
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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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