XLPE-HDPE Tree Cable Aluminum 25kV 1x240mm²
Deliver uninterrupted power with the XLPE-HDPE Tree Cable Aluminum 25kV 1x240mm² – a premium medium-voltage cable designed for high-demand overhead distribution networks. Perfect for industrial areas, large urban grids, and major interconnection lines, this cable supports very high current capacity while maintaining reliable performance over long distances. Constructed with high-conductivity aluminum alloy 1350 wires in round compacted class 2 stranding, it ensures exceptional current-carrying efficiency and mechanical durability. Optional extruded semiconductor shielding enhances electrical stability in 15kV and 25kV applications. Choose the XLPE-HDPE 25kV Tree Cable 1x240mm² for a long-lasting, low-maintenance, and high-performance power solution that ensures safe, stable, and efficient electricity transmission across your network.
- Standards ASTM B230, ASTM B232, ICEA S-121-733
Construction
Technical Specifications
Quality Control
Application
Construction
XLPE-HDPE Tree Cable Aluminum 25kV 1x240mm² 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 1x240mm² is designed for medium-voltage overhead distribution networks requiring very high current capacity over long distances. It is well-suited for industrial zones, large urban grids, and interconnection lines where load demand is substantial.
Technical Specifications
XLPE-HDPE Tree Cable Aluminum 25kV 1x240mm²
XLPE-HDPE Tree Cable Aluminum 25kV 1x240mm²
| 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 | 240 mm² |
| Number of cores | 1 |
| Number of aluminium wires | 42 |
| Conductor diameter | 16.2 mm |
| Protective Covering Nominal Thickness | 4 mm |
| Outer Diameter | 26.2 mm |
| Approximate weight | 796 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 1x240mm²
Raw Material Test
Raw Material Test for XLPE-HDPE Tree Cable Aluminum 25kV 1x240mm² ensures premium quality for tree contact and overhead durability. The structured process includes: Supplier Certification Review: Verify stranded aluminium conductor meets IEC 60228 or ASTM B231 for purity, stranding, and conductivity; XLPE insulation compound certified to IEC 60502-2 or ICEA for electrical/thermal properties; HDPE sheath compound certified for tracking/erosion resistance (IEC 60502 or ANSI/ICEA), UV stability, and mechanical strength.Traceability & Rejection: Full batch records maintained; non-conforming materials (e.g., failing dielectric, tracking, or ESCR tests) quarantined/rejected. Only approved raw materials proceed to stranding and triple extrusion + sheathing, guaranteeing the XLPE-HDPE Tree Cable Aluminum 25kV 1x240mm²'s high dielectric performance, tracking/erosion resistance.
Process inspection
Process Inspection during manufacturing of XLPE-HDPE Tree Cable Aluminum 25kV 1x240mm² maintains tree wire quality and consistency. Steps include: Conductor Stranding: Monitor compact stranding for uniform lay length, compactness, and no loose strands. Triple Extrusion: Apply semi-conductive conductor screen, XLPE insulation, and semi-conductive insulation screen in continuous triple extrusion; inline diameter scanners, eccentricity monitors, and spark testers detect voids/defects. Outer Sheath Extrusion: Extrude HDPE sheath with high tracking/erosion resistance; real-time checks on thickness, surface finish, adhesion, and sheath integrity. Continuous Monitoring: Track conductor resistance, insulation integrity, overall diameter, and sheath properties throughout.
Finished Product
Finished Product Test confirms the XLPE-HDPE Tree Cable Aluminum 25kV 1x240mm² meets tree wire and MV standards before shipment. The procedure includes: Visual & Dimensional Inspection: Examine full length for defects, uniformity, markings, and measure outer diameter/weight per meter. Electrical Tests: DC resistance, insulation resistance (>1000 MΩ·km), high-voltage AC withstand (e.g., 65kV/5 min or per IEC 60502-2), partial discharge (<5 pC). Mechanical Evaluation: Bending radius (10–15× OD), tensile strength, crush resistance, abrasion resistance, and impact tests. Sheath & Insulation Performance: Thermal aging (135°C/168h), hot set test, environmental stress cracking resistance (ESCR), UV aging, tracking/erosion resistance (IEC 60587 or equivalent), and moisture resistance verified.
Application
XLPE-HDPE Tree Cable Aluminum 25kV 1x240mm² is designed for medium-voltage overhead distribution networks requiring very high current capacity over long distances. It is well-suited for industrial zones, large urban grids, and interconnection lines where load demand is substantial.
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)
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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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