XLPE-HDPE Tree Cable Aluminum 25kV 1x185mm²
Power your network with confidence using the XLPE-HDPE Tree Cable Aluminum 25kV 1x185mm² – a high-performance medium-voltage cable engineered for demanding overhead distribution systems. Whether it’s industrial zones, main feeder lines, or expansive urban and rural networks, this cable delivers reliable, efficient, and uninterrupted power where you need it most. Built with high-conductivity aluminum alloy 1350 wires and compact class 2 stranding, it guarantees optimal current flow and mechanical strength. Optional semiconductor shielding enhances electrical stability for 15kV and 25kV networks, making it a dependable choice for modern power infrastructure. The XLPE inner insulation withstands 90°C continuous operation, while the robust HDPE outer jacket offers exceptional resistance to weather, UV exposure, mechanical abrasion, and electrical sparking. Available in gray with ASTM B230 markings and sequential metering, or blue for extra spark resistance in harsher environments, this cable is designed to perform under pressure.
- Standards ASTM B230, ASTM B232, ICEA S-121-733
Construction
Technical Specifications
Quality Control
Application
Construction
XLPE-HDPE Tree Cable Aluminum 25kV 1x185mm² Constrution
Conductor
Formed from aluminium alloy 1350 wire, round compacted, class 2 stranding, according to ASTM B230, conductivity MIN. 61% IACS, optionally lockable, tensile strength MIN 130 MPa.
Conductor Shielding
Extruded semiconductor thermosetting compound (optional for 15kV and 25kV classes).
Inner Cover
Cross-linked polyethylene (XLPE) thermosetting compound for 90°C conductor operating temperature, meeting the physical requirements prescribed by ICEA S-121-733.
Outer Cover
High-density polyethylene (HDPE) thermosetting compound, resistant to weathering, electrical sparking (2,75kV), ultraviolet radiation and mechanical abrasion, in gray.
Identification
They are supplied in gray with marking as provided for by ASTM B230 and sequential metering.
Note: For harsher environmental conditions, blue cables with higher spark resistance (>5kV) are recommended.
Note: For harsher environmental conditions, blue cables with higher spark resistance (>5kV) are recommended.
Application
XLPE-HDPE Tree Cable Aluminum 25kV 1x185mm² is designed for medium-voltage overhead distribution systems requiring very high current capacity over long distances. It is well-suited for heavy-load industrial zones, main feeder lines, and large-scale urban or rural networks.
Technical Specifications
XLPE-HDPE Tree Cable Aluminum 25kV 1x185mm²
XLPE-HDPE Tree Cable Aluminum 25kV 1x185mm²
| Construction characteristics | |
| Conductor material | Aluminum |
| Conductor flexibility | Stranded class 2 |
| Conductor shape | Round, stranded and compacted |
| Inner sheath | XLPE |
| Outer sheath | HDPE |
| Lead free | Yes |
| Colour | Grey/Black |
| Dimensional characteristics | |
| Conductor cross-section | 150 mm² |
| Number of cores | 1 |
| Number of aluminium wires | 37 |
| Conductor diameter | 15.7 mm |
| Protective Covering Nominal Thickness | 4 mm |
| Outer Diameter | 24.9 mm |
| Approximate weight | 782 kg/km |
| Nominal outer sheath thickness | 4.0 mm |
| Electrical characteristics | |
| Rated Voltage U₀/U (Um) | 25 kV |
| Mechanical characteristics | |
| Mechanical resistance to impacts | Good |
| Usage characteristics | |
| Ambient installation temperature, range | -5... 45 °C |
| Weather resistance | Excellent |
| Max. conductor temperature in service | 90 °C |
| Overload maximum core temperature | 100 °C |
| Short-circuit max. conductor temperature | 250 °C |
| U.V resistance | Excellent |
| Chemical resistance | Good |
| Packaging | Reel |
Quality Control
XLPE-HDPE Tree Cable Aluminum 25kV 1x185mm²
Raw Material Test
Raw material testing is the foundation of quality assurance for the XLPE-HDPE Tree Cable Aluminum 25kV 1×185mm². The aluminum conductor is tested for electrical conductivity, DC resistance, tensile strength, elongation, and strand uniformity to ensure reliable power transmission and mechanical durability.XLPE insulation compounds are evaluated for dielectric strength, volume resistivity, tensile strength, elongation, and thermal aging resistance. These tests confirm insulation stability under medium-voltage electrical stress and continuous operating temperatures. All incoming raw materials for the XLPE-HDPE tree cable are subject to strict inspection, full documentation, and traceability. Only materials that meet all technical and quality requirements are approved for production.
Process inspection
Process inspection ensures consistent manufacturing quality of the XLPE-HDPE Tree Cable Aluminum 25kV 1×185mm² across all production stages. During conductor stranding, inspections verify strand construction, conductor diameter, surface cleanliness, and concentricity. During XLPE insulation extrusion, critical parameters such as extrusion temperature, pressure, and line speed are continuously monitored. Insulation thickness, eccentricity, and surface smoothness are measured to ensure uniform electrical performance. HDPE sheath extrusion is inspected for thickness uniformity, adhesion to the XLPE layer, and surface quality. Spark testing is conducted during production to detect insulation defects. All inspection results are recorded and reviewed. Any deviation from specifications triggers immediate corrective actions, ensuring stable quality of the XLPE-HDPE tree cable.
Finished Product
Finished product testing verifies the safety and performance of the XLPE-HDPE Tree Cable Aluminum 25kV 1×185mm² prior to shipment. Electrical tests include conductor resistance measurement and AC voltage withstand testing to confirm insulation integrity. Mechanical tests evaluate tensile strength, bending performance, and impact resistance to ensure reliability during installation and service. Thermal aging tests confirm insulation stability under long-term operating conditions. Dimensional inspections verify conductor cross-section, insulation thickness, and overall cable diameter. Final visual inspection ensures smooth surface finish, correct marking, and defect-free construction. Only cables that pass all finished product tests are approved for delivery.
Application
XLPE-HDPE Tree Cable Aluminum 25kV 1x185mm²’s robust weather, UV, and abrasion resistance ensures reliable performance and minimizes downtime in demanding environments.
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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