XLPE-HDPE Tree Cable Aluminum 25kV 1x150mm²
The XLPE-HDPE Tree Cable Aluminum 25kV 1x150mm² is engineered for medium-voltage overhead distribution systems requiring very high current capacity. Ideal for long-distance transmission in rural, coastal, and industrial areas, this cable provides exceptional reliability, efficient energy delivery, and long-term performance while minimizing line losses and maintenance costs. Constructed with high-conductivity aluminum alloy 1350 wires, the conductor features round compacted, class 2 stranding, with minimum conductivity of 61% IACS and tensile strength of at least 130 MPa. Optional conductor shielding with extruded semiconductor thermosetting compound is available for enhanced performance in 15kV and 25kV applications. Rated at 25kV, the XLPE-HDPE tree cable allows reduced line clearance compared to bare conductors while maintaining electrical safety. A comprehensive quality control system, including raw material testing, process inspection, and finished product testing, ensures consistent performance and compliance with IEC and utility standards.
- Standards ASTM B230, ASTM B232, ICEA S-121-733
Construction
Technical Specifications
Quality Control
Application
Construction
XLPE-HDPE Tree Cable Aluminum 25kV 1x150mm² 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 1x150mm² is designed for medium-voltage overhead distribution systems that require very high current capacity. It is well-suited for long-distance power transmission in rural, coastal, or industrial areas, offering excellent resistance to weather, UV radiation, and mechanical stress.
Technical Specifications
XLPE-HDPE Tree Cable Aluminum 25kV 1x150mm²
XLPE-HDPE Tree Cable Aluminum 25kV 1x150mm²
| 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 | 19 |
| Conductor diameter | 14.2 mm |
| Protective Covering Nominal Thickness | 4 mm |
| Outer Diameter | 22.2 mm |
| Approximate weight | 610.3 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 1x150mm²
Raw Material Test
Raw material testing forms the foundation of quality assurance for the XLPE-HDPE Tree Cable Aluminum 25kV 1×150mm². The aluminum conductor is tested for electrical conductivity, DC resistance, tensile strength, elongation, and strand uniformity to guarantee reliable current transmission and mechanical performance. XLPE insulation compounds are tested for dielectric strength, volume resistivity, thermal aging resistance, tensile strength, and elongation after aging. These tests verify insulation stability under medium-voltage electrical stress and continuous operating temperatures. HDPE outer sheath materials undergo mechanical and environmental testing, including tensile strength, elongation, abrasion resistance, environmental stress crack resistance, UV resistance, and weathering performance. These properties are critical for overhead installations exposed to sunlight, wind, and temperature variations.
Process inspection
Process inspection ensures stable and consistent manufacturing of the XLPE-HDPE Tree Cable Aluminum 25kV 1×150mm² at every production stage. During conductor stranding, inspections confirm strand construction, conductor diameter, surface cleanliness, and concentricity. During XLPE insulation extrusion, key 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 carefully inspected for thickness uniformity, adhesion to the XLPE layer, and surface quality. Spark testing is performed to detect insulation defects during production.
Finished Product
Finished product testing verifies the safety and performance of the XLPE-HDPE Tree Cable Aluminum 25kV 1×150mm² before shipment. Electrical tests include conductor resistance measurement and AC voltage withstand testing to confirm insulation integrity. Mechanical tests assess tensile strength, bending behavior, and impact resistance to ensure reliability during installation and operation. 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 1x150mm² is well-suited for long-distance power transmission in rural, coastal, or industrial areas, offering excellent resistance to weather, UV radiation, and mechanical stress.
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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