FR-N20XA8E-R Triplex 12/20kV Cable Gen to NF C 33-226 - Cu/XLPE/MDPE
The NF C 33-226 Cu-XLPE-MDPE Triplex 12/20kV Cable is a high-performance three-core medium voltage power cable designed for safe and efficient three-phase power transmission. It features Class 2 stranded copper conductors, cross-linked polyethylene (XLPE) insulation, and a medium-density polyethylene (MDPE) outer sheath, providing excellent electrical conductivity, thermal stability, and mechanical protection.
Manufactured in compliance with NF C 33-226, IEC 60502-2, and EN 60228, this cable is ideal for industrial parks, municipal grids, substations, and commercial power systems. It offers outstanding resistance to water (AD7) and UV radiation (ISO 4892), and is halogen-free (IEC/EN 60754-1) for enhanced safety and environmental protection.
With a rated voltage of 12/20 (24)kV and maximum conductor temperature of 90°C, the Triplex design ensures efficient load balancing and stable power delivery in medium-voltage networks.
- Voltage Rating(Uo/U) 12/20 (24)kV
- Maximum operating temp 90°C
- Initial temp 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-N20XA8E-AR 12/20kV 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-N20XA8E-R Triplex 12/20kV Cable Gen to NF C 33-226 - Cu/XLPE/MDPE
FR-N20XA8E-R Triplex 12/20kV Cable 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 | |
| 3 | 50 | 0.6 | 4.5 | 2.1 | 55.7 | 2682 |
| 3 | 70 | 0.6 | 4.5 | 1.8 | 60 | 3415 |
| 3 | 95 | 0.6 | 4.5 | 1.8 | 62.9 | 4220 |
| 3 | 120 | 0.6 | 4.5 | 1.9 | 66.3 | 5025 |
| 3 | 150 | 0.6 | 4.5 | 1.9 | 69.8 | 5921 |
| 3 | 185 | 0.6 | 4.5 | 2 | 73.4 | 7011 |
| 3 | 240 | 0.6 | 4.5 | 2.1 | 79.1 | 8829 |
| 3 | 300 | 0.6 | 4.5 | 2.1 | 84.2 | 10593 |
| 3 | 400 | 0.6 | 4.5 | 2.3 | 90.7 | 13206 |
Quality Control
FR-N20XA8E-R Triplex 12/20kV Cable Gen to NF C 33-226 - Cu/XLPE/MDPE
Raw Material Test
The Raw Material Test for FR-N20XA8E-R Triplex 12/20kV Cable is the first and most critical step in ensuring product quality and compliance with NF C 33-226. All incoming materials are subject to a structured inspection process before being approved for production. The testing process begins with copper conductor verification. Electrolytic copper rods are tested for purity, conductivity, tensile strength, and elongation. Chemical composition analysis ensures copper content meets standard requirements, while electrical resistivity testing confirms low-loss performance suitable for medium-voltage applications.
Process inspection
Process Inspection for FR-N20XA8E-R Triplex 12/20kV Cable is conducted throughout manufacturing to maintain continuous quality control. Each production stage follows predefined inspection checkpoints aligned with NF C 33-226 requirements. The process begins with conductor stranding inspection. Stranding diameter, compactness, and surface finish are measured to ensure uniformity and compliance with design specifications. Online resistance monitoring verifies conductor electrical performance during production. During XLPE insulation extrusion, key parameters such as extrusion temperature, line speed, insulation thickness, and concentricity are continuously monitored. Spark testing is applied to detect pinholes or insulation defects in real time. Samples are taken at regular intervals for hot set and elongation tests to verify cross-linking quality.
Finished Product
Finished Product Testing for FR-N20XA8E-R Triplex 12/20kV Cable ensures that the final cable meets all electrical, mechanical, and safety requirements of NF C 33-226 before delivery. Electrical testing includes conductor resistance measurement, AC voltage withstand testing, and partial discharge testing. These tests confirm insulation integrity and electrical reliability under rated and overvoltage conditions. Mechanical tests include tensile strength, elongation, bending, and impact resistance. Environmental tests such as heat cycle testing, water penetration testing, and thermal aging evaluate long-term performance under real operating conditions.
Application
FR-N20XA8E-R Triplex 12/20kV Cable is used in medium-voltage power distribution networks, including urban grids, industrial facilities, substations, and underground installations where compliance with NF C 33-226 and long-term reliability are required.
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 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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