XLPE-HDPE Tree Cable Aluminum 25kV 1x50m㎡
The XLPE-HDPE Tree Cable Aluminum 25kV 1x50mm² is engineered for superior performance in medium-voltage overhead distribution networks, delivering exceptional reliability and long-term durability. Designed for challenging environments such as forested regions and urban areas, this cable ensures consistent power supply while minimizing maintenance and unplanned outages. Constructed with high-conductivity aluminum alloy 1350 wires, the cable features a round compacted conductor with class 2 stranding, achieving a minimum conductivity of 61% IACS and tensile strength of at least 130 MPa. Optional conductor shielding with an extruded semiconductor thermosetting compound is available for enhanced performance in 15kV and 25kV applications. The inner insulation is made from cross-linked polyethylene (XLPE), supporting continuous conductor operation at 90°C, and meeting ICEA S-121-733 physical standards. The robust outer cover is composed of high-density polyethylene (HDPE), offering outstanding resistance against weathering, UV radiation, mechanical abrasion, and electrical sparking up to 2.75kV. Standard cables come in gray with sequential metering markings in accordance with ASTM B230, while blue cables are recommended for harsher conditions requiring spark resistance above 5kV.
- Standards ASTM B230, ASTM B232, ICEA S-121-733
Construction
Technical Specifications
Quality Control
Application
Construction
XLPE-HDPE Tree Cable Aluminum 25kV 1x50mm² 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 1x50m㎡ is ideal for medium-voltage overhead distribution networks requiring higher current capacity. It is especially effective in forested or urban areas, offering strong resistance to weathering, UV radiation, and mechanical abrasion.
Technical Specifications
XLPE-HDPE Tree Cable Aluminum 25kV 1x50m㎡
XLPE-HDPE Tree Cable Aluminum 25kV 1x35mm²
| 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 | 50 mm² |
| Number of cores | 1 |
| Number of aluminium wires | 7 |
| Conductor diameter | 8.11 mm |
| Protective Covering Nominal Thickness | 4 mm |
| Outer Diameter | 16.11 mm |
| Approximate weight | 275.3 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 1x50m㎡
Raw Material Test
Raw Material Test for XLPE-HDPE Tree Cable Aluminum 25kV 1x50mm² ensures premium quality for tree contact and overhead durability. The structured process includes: XLPE Insulation Evaluation: XLPE compound tested for tensile strength (>12.5 MPa), elongation (>200%), dielectric strength (>20 kV/mm), water tree resistance, thermal aging (135°C/168h), and hot set test (≤175% elongation after 200°C/15 min). HDPE Sheath Check: High-density polyethylene sheath tested for tensile (>10 MPa), elongation (>300%), environmental stress cracking resistance (ESCR), UV stability, tracking/erosion resistance (IEC 60587 or equivalent), abrasion resistance, and impact strength suitable for tree branch and wildlife contact. 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.
Process inspection
Process Inspection during manufacturing of XLPE-HDPE Tree Cable Aluminum 25kV 1x50mm² maintains tree wire quality and consistency. Steps include: 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. Quality Control: Verify sheath surface smoothness and uniformity for tree branch and wildlife contact resistance. This ensures the final XLPE-HDPE Tree Cable Aluminum 25kV 1x50mm² achieves superior dielectric performance, tracking/erosion resistance, mechanical toughness, and consistent quality for overhead distribution in tree contact areas.
Finished Product
Finished Product Test confirms the XLPE-HDPE Tree Cable Aluminum 25kV 1x50mm² meets tree wire and MV standards before shipment. The procedure includes: 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. Tree/Wildlife Performance Validation: Abrasion and cut-through resistance tests simulating tree branch contact; wildlife protection verification (reduced flashover risk).
Application
XLPE-HDPE Tree Cable Aluminum 25kV 1x50m㎡ helps reduce unplanned outages and maintenance needs while supporting environmentally friendly and reliable power distribution.
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)
Related Products
Quadruplex Service Drop Cable
NPC Electric Quadruplex Service Drop Cable offers efficient overhead three-phase service with neutral support. Comprising three-phase conductors (aluminum) insulated with XLPE or PE and helically twisted around a strong neutral messenger (ACSR, AAC, or covered aluminum), it meets ASTM, ICEA, and international standards. The messenger provides full self-support, allowing longer spans and reduced infrastructure costs. Premium insulation resists sunlight, moisture, and mechanical abrasion for decades of outdoor service. Lightweight and flexible, it simplifies installation with low sag. The Quadruplex Service Drop Cable ensures minimal losses, high mechanical endurance, and excellent weather performance up to 600V. Flame-retardant options enhance safety. Perfect for reliable power delivery in urban developments, commercial areas, street lighting, and temporary sites requiring safe, cost-effective aerial bundled solutions.
NTSCGEWOU 3.6/6kV, 6/10kV, 8.7/15kV, 12/20kV Cable
The NTSCGEWOU 3.6/6kV, 6/10kV, 8.7/15kV, 12/20kV Cable is a high-performance flexible medium-voltage trailing/reeling cable engineered for extreme mining and tunneling conditions. It comprises class 5 finely stranded tinned copper phase conductors for superior flexibility and corrosion resistance, semi-conductive conductor and insulation screens for field control, EPR insulation for excellent dielectric strength and 90°C continuous operation, copper wire braid screen for EMI protection and grounding, control conductors, monitoring conductor (ÜL), and a durable rubber outer sheath resistant to oil, flame, abrasion, tearing, and mechanical stress. Compliant with DIN VDE 0250, it handles high tensile loads, fast reeling speeds, tight bending radii, and effective EMC shielding across all voltage levels. The NTSCGEWOU delivers safe, reliable MV power to mobile equipment such as shearers, tunnel boring machines, draglines, and conveyors in harsh underground and opencast environments, minimizing downtime and ensuring long-term operational efficiency.
Instrumentation Cables—XLPE Insulated,Individual & Overall Screened, DRYLAM Layered,Wire Armoured PVC Sheathed Cables(CU/XLPE/IOSCR/DRYLAM/SWA/PVC)
Instrumentation Cables with XLPE Insulated, Individual & Overall Screened, DRYLAM Layered, Wire Armoured and PVC Sheathed construction (CU/XLPE/IOSCR/DRYLAM/SWA/PVC) are engineered for high-accuracy signal transmission in harsh and moisture-prone environments. XLPE insulated copper conductors deliver excellent dielectric strength, thermal stability, and long-term electrical reliability. Individual and overall screening effectively suppress electromagnetic interference and cross-talk, ensuring stable and precise signal performance in complex control systems. The integrated DRYLAM water-blocking layer prevents longitudinal and radial water penetration, protecting the cable core without increasing overall diameter. Steel wire armour provides strong mechanical protection against impact and external stress, while the PVC outer sheath offers resistance to abrasion, oils, and chemicals. This robust cable design ensures dependable operation, extended service life, and consistent performance in demanding industrial applications.
Type 240 Flexible Copper Screened Mining Cable With Three Pilots
The Type 240 Flexible Copper Screened Mining Cable with Three Pilots is a medium-voltage, rubber-insulated cable designed for mining machinery feeder applications and longwall supply. It features tinned annealed copper conductors, EPR insulation, and a tinned copper/polyamide braid screen for superior electrical and mechanical performance. The three interstitial pilot cores provide additional monitoring or control functions, making it suitable for complex mining and industrial systems. With its HD-PCP extra heavy-duty outer sheath, the cable offers oil resistance, flame retardancy, and high durability for harsh environments. Compliant with AS/NZS 2802 and related standards, it ensures reliable operation under extreme mechanical and electrical stress. Constructed with high-conductivity copper conductors, durable insulation, and a robust outer sheath, the cable offers excellent resistance to abrasion, vibration, oil, moisture, and harsh mining conditions. Its flexible design supports continuous movement and reduces installation stress.
2 AWG SPARROW ACSR Conductor Cable
The 2 AWG SPARROW ACSR (Aluminum Conductor Steel Reinforced) cable, compliant with ASTM B232, ABNT NBR 7270/88, and IEC 61089 standards, is engineered for dependable performance in overhead transmission and distribution systems. Featuring a stranded 1350-H19 aluminum conductor for excellent electrical conductivity and a single galvanized steel core for enhanced mechanical strength, this cable is ideal for medium to long-span installations in suburban, agricultural, and utility networks. With a voltage rating of up to 25 kV, an operating temperature range of -10°C to +75°C, and a short-circuit tolerance of up to 150°C (5s), the SPARROW ACSR ensures reliable conductivity, corrosion resistance, and durability under wind and ice loading. Its lightweight, bare aluminum design with a corrosion-resistant steel core simplifies installation and ensures a long service life in diverse outdoor environments. Ampacity is calculated under standard conditions (conductor temperature: 75°C; ambient temperature: 25°C; wind speed: 1 m/s; full sun exposure).
ALL ALUMINUM ALLOY CONDUCTORS（AAAC）
All Aluminum alloy (ALMELEC) electrical wire conductors are made from high-strength Aluminum-Magnesium-Silicon alloy. These conductors boast a superior strength-to-weight ratio compared to standard AAC, allowing for longer spans and reduced support structures in challenging terrains. Their improved sag characteristics minimize clearance issues, while excellent corrosion resistance extends service life in aggressive environments like marine or polluted zones. Electrically, AAAC offers lower power losses and better conductivity, optimizing energy efficiency in distribution networks. Manufactured to standards such as IEC 61089 and ASTM B399, they feature concentric stranding for mechanical stability and ease of installation with simpler fittings than ACSR. Versatile in size from small distribution lines to high-voltage transmission, AAAC supports applications on poles, towers, and substations. By reducing maintenance and enhancing reliability, these conductors provide a sustainable, cost-efficient alternative for modern power infrastructure, contributing to greener energy systems worldwide. Their lightweight design also facilitates easier handling during setup.FAQ From Customers
-
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.
-
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.
-
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.
-
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.
-
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.
Welcome your inquiry
Honesty, Integrity, Frugality, Activeness and Passion