Medium Voltage Armored Power Cable XLPE Insulated Distribution Cable
The Medium Voltage Armored Power Cable is engineered for reliable power transmission and distribution in utility, industrial, and infrastructure applications. Manufactured with high-conductivity copper or aluminum conductors, advanced XLPE insulation, metallic screens, galvanized steel wire or steel tape armour, and a durable outer sheath, the cable delivers excellent electrical performance and superior mechanical protection. Designed for medium voltage networks ranging from 3.6/6kV to 26/35kV, the cable provides outstanding dielectric strength, low insulation losses, and high thermal stability. The armouring layer protects the cable against impact, compression, tensile stress, and accidental mechanical damage, making it suitable for underground and direct burial installations. The outer sheath offers excellent resistance to moisture, chemicals, UV radiation, and environmental exposure. Manufactured according to IEC 60502-2 and international standards, the cable is widely used in substations, renewable energy projects, industrial facilities, power plants, and utility distribution systems. The Medium Voltage Armored Power Cable ensures long-term reliability, operational safety, and efficient power transmission under demanding service conditions.
- Voltage Rating 3.6/6kV to 26/35kV
- Operating Temp 90°C
- Standard IEC 60502-2
Construction
Technical Specifications
Quality Control
Application
Construction
Medium Voltage Armored Power Cable XLPE Insulated Distribution Cable Construction
Product Features
Medium voltage rating up to 35kV
XLPE insulation with excellent dielectric properties
Superior mechanical protection
Steel wire or steel tape armouring available
Suitable for direct burial installation
High current carrying capacity
Moisture and corrosion resistance
XLPE insulation with excellent dielectric properties
Superior mechanical protection
Steel wire or steel tape armouring available
Suitable for direct burial installation
High current carrying capacity
Moisture and corrosion resistance
Conductor Material
Copper / Aluminum
Conductor Class
IEC 60228 Class 2
Insulation Material
XLPE
Metallic Screen
Copper Tape / Copper Wire
Armour Type
SWA / STA
Outer Sheath
PVC / PE / LSZH
Technical Specifications
Medium Voltage Armored Power Cable XLPE Insulated Distribution Cable
Medium Voltage Armored Power Cable Data Sheet
|
Nom. Cross-Section Area |
Aluminium Wire Armoured Cables | |||||||
|
Nom. Insulation Thickness |
Copper Tape Screen Area |
Nom. Bedding Thickness |
Nom. Armour Wire Diameter |
Nom. Sheath Thickness |
Approx. Overall Diameter |
Approx. Weight | ||
| CU | AL | |||||||
| mm2 | mm | mm2 | mm | mm | mm | mm | kg/km | |
| 25 | 2.5 | 3.4 | 1.2 | 1.6 | 1.8 | 26.3 | 1150 | 1000 |
| 35 | 2.5 | 3.6 | 1.2 | 1.6 | 1.8 | 27.3 | 1250 | 1050 |
| 50 | 2.5 | 3.9 | 1.2 | 1.6 | 1.8 | 28.4 | 1500 | 1190 |
| 70 | 2.5 | 4.3 | 1.2 | 1.6 | 1.8 | 30 | 1740 | 1300 |
| 95 | 2.5 | 4.7 | 1.2 | 1.6 | 1.9 | 31.8 | 2030 | 1430 |
| 120 | 2.5 | 5 | 1.2 | 1.6 | 1.9 | 33.2 | 2310 | 1550 |
| 150 | 2.5 | 5.3 | 1.2 | 1.6 | 2 | 35.1 | 2660 | 1720 |
| 185 | 2.5 | 5.8 | 1.2 | 2 | 2 | 37.4 | 3120 | 1950 |
| 240 | 2.6 | 6.3 | 1.2 | 2 | 2.1 | 40.3 | 3740 | 2200 |
| 300 | 2.8 | 7 | 1.2 | 2 | 2.2 | 42.9 | 4400 | 2520 |
| 400 | 3 | 7.7 | 1.2 | 2 | 2.3 | 47.2 | 5490 | 2960 |
| 500 | 3.2 | 8.5 | 1.3 | 2.5 | 2.5 | 51.6 | 6760 | 3660 |
| 630 | 3.2 | 9.5 | 1.4 | 2.5 | 2.6 | 57 | 8200 | 4160 |
Quality Control
Medium Voltage Armored Power Cable XLPE Insulated Distribution Cable
Raw Material Test
Raw material testing for the Medium Voltage Armored Power Cable 6/10-18/30kV CU/XLPE/SWA/PVC ensures full compliance with IEC 60502-2. Copper rods are tested for purity, conductivity (>99% IACS), and elongation. XLPE insulation compound is rigorously evaluated for density, melt flow index, antioxidant levels, and crosslinking potential using OIT and DSC analysis. Galvanized steel wires undergo zinc coating mass, tensile strength, and corrosion resistance tests. PVC sheath material is checked for thermal stability and hardness. The step-by-step process includes incoming batch verification, random sampling, chemical composition analysis via spectrometry, mechanical property testing before and after aging, armour corrosion pre-checks, and final material approval decision. Only qualified materials are released, guaranteeing the Medium Voltage Armored Power Cable 6/10-18/30kV CU/XLPE/SWA/PVC achieves excellent conductivity, insulation integrity, strong armour protection, and long-term durability.
Process inspection
During manufacturing of the Medium Voltage Armored Power Cable 6/10-18/30kV CU/XLPE/SWA/PVC, process inspection maintains strict quality control. Copper conductor stranding is monitored for compactness. Triple extrusion (conductor screen, XLPE insulation, insulation screen) controls thickness and concentricity with online X-ray systems. Copper tape screening and PVC inner sheath application prepare a smooth surface for armouring. Galvanized steel wire armouring verifies helical winding, tension balance, and coverage. Final PVC outer sheath extrusion includes real-time spark testing. Key steps include material pre-drying confirmation, extrusion and armouring parameter logging, intermediate partial discharge testing, armour gap and overlap checks, defect detection with immediate correction, and controlled cooling. This multi-stage oversight guarantees the Medium Voltage Armored Power Cable 6/10-18/30kV CU/XLPE/SWA/PVC achieves void-free insulation, strong armour adhesion, precise construction, and full IEC 60502-2 compliance throughout production.
Finished Product
The finished Medium Voltage Armored Power Cable 6/10-18/30kV CU/XLPE/SWA/PVC undergoes comprehensive testing. Routine tests include conductor resistance, AC voltage withstand, insulation and sheath thickness verification, and armour continuity checks. Mechanical tests cover crushing resistance, impact endurance, and tensile strength. Partial discharge (≤5pC) and flame retardancy per IEC 60332-1 are verified. The process steps include sample preparation, gradual voltage ramp-up and hold period, mechanical load application (crushing and impact), environmental conditioning, post-test electrical and mechanical re-measurement, and detailed visual inspection. Additional checks cover shrinkage, heat shock, and marking durability. Only cables passing all criteria are approved, confirming the Medium Voltage Armored Power Cable 6/10-18/30kV CU/XLPE/SWA/PVC’s superior mechanical protection, electrical safety, and suitability for demanding medium voltage installations.
Application
Medium Voltage Armored Power Cable 0.6/1kV to 18/30kV is ideal for direct burial, underground ducts, and exposed installations in industrial plants, substations, commercial buildings, and infrastructure projects requiring strong mechanical protection and reliable medium 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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