0.6/1kV 6/10kV JKLV Medium Voltage Cable | Aluminum Core PVC Insulated Overhead Power Line

JKLV is a high-performance, cost-effective medium-voltage overhead insulated cable featuring high-purity stranded aluminum conductors and premium weather-resistant PVC insulation. This cable covers classic voltage levels from low voltage 0.6/1kV to medium voltage 6/10kV, and is designed for general outdoor overhead power distribution, municipal branch lines, rural power grid expansion, and conventional industrial power layouts.

Unlike high-performance cross-linked polyethylene (XLPE) insulated overhead cables, JKLV uses a specially formulated composite UV-stabilized PVC insulation material, balancing stable electrical performance, excellent outdoor weather resistance, and economical installation costs. It perfectly aligns with the selection logic of electrical engineers, municipal procurement agencies, regional power contractors, and power wholesalers worldwide, who prioritize stable basic performance, standardized specification compatibility, ease of installation, budget control, and broad environmental adaptability.

The integrated insulation structure replaces traditional exposed overhead conductors, reducing the possibility of line contact interference, optimizing power corridor occupancy, and simplifying daily grid operation. Manufactured according to international IEC standards and domestic power industry standards, JKLV features a complete specification matrix, stable material formulation, lightweight structural design, and broad compatibility with conventional overhead accessories.

This cable maintains stable operation in suburban plains, rural hilly areas, hot and humid tropical environments, general industrial areas, and mild coastal climates. It is the most practical and cost-effective standardized solution for municipal daily power distribution network construction, rural electrification upgrades, factory outdoor branch power supply, street light support lines, and small-scale infrastructure overhead power projects.

• IEC 60502, IEC 60287 CE Certification, RoHS Environmental Compliance, ISO 9001 Quality Management System, ISO 14001 Environmental Management System

• GB/T 12527-2008, GB/T 1179DL/T 5221 Technical Specification for Design of Overhead Distribution Lines

Complies with internationally accepted overhead line design specifications, conventional wind load and temperature variation design standards, municipal power distribution network construction specifications, and rural power grid upgrading and transformation technical requirements. All electrical and mechanical indicators meet the access requirements for conventional power projects in Asia, Africa, Southeast Asia, and Latin America, supporting project bidding, technical review, and final acceptance.

Model Definition:

JKLV

J = Overhead Installation, K = Insulated Type, L = Aluminum Conductor, V = PVC Insulation

Rated Voltage Range:

0.6/1kV (Low Voltage), 6/10kV (Medium Voltage)

Conductor Structure:

Type 2 round concentric stranded aluminum conductor

Conductor Cross-sectional Area:

10mm² ~ 400mm² Full range of standard specifications available

Insulation Material:

Outdoor modified PVC compound, with added UV inhibitors, heat stabilizers, and anti-aging agents

Long-Term Allowable Operating Temperature:

70°C

Short-Circuit Heat Resistance Rating:

Maximum temperature 160°C within a 5-second short-circuit duration

Minimum Installation Ambient Temperature:

-20°C

Permissible Bending Radius:

≤25mm (Outer Diameter) ≥4D; Outer diameter > 25mm, diameter ≥ 6D

Electrical performance:

Stable insulation resistance, uniform electric field distribution, low leakage current under rated voltage

Structural features:

Lightweight and flexible, easy to transport and install

Design service life:

Over 25 years under standard installation and normal outdoor conditions

Customization options:

Insulation color, enhanced UV-resistant formula, custom cross-sectional shape, and special packaging can be customized according to project requirements.

• Construction and renovation of municipal and urban medium-voltage branch lines, and overhead distribution networks around residential areas
• Rural electrification projects, village power supply trunk lines and branch lines, and conventional overhead line layout in remote plains and hilly areas
• Outdoor medium-voltage power supply branch lines in general industrial parks, small manufacturing plants, and logistics parks
• Conventional overhead distribution networks in tropical high-temperature areas and subtropical high-humidity areas
• Power supply and auxiliary overhead power lines for highways and municipal roads and streetlights
• Outdoor fixed overhead power line layout for temporary construction sites, mine auxiliary lines, and small-scale projects
• Daily distribution network renovation and replacement of aging bare conductors in temperate coastal areas and areas with less severe salt spray

• High Cost-Effectiveness and Economical Layout: JKLV utilizes aluminum conductors and an optimized PVC insulation formula, achieving a reasonable overall cost while ensuring reliable basic performance. It is more suitable for large-scale pipeline laying and municipal and rural projects with strict budget controls, achieving a balance between performance and project expenditure.
• Lightweight and Flexible Structure for Easy Construction: The stranded aluminum conductor significantly reduces the overall weight of the cable, facilitating on-site transportation, manual handling, and overhead laying. Its excellent bending flexibility allows it to adapt to complex route layouts and narrow corridors, greatly improving construction efficiency.
• Reliable Basic Electrical and Insulation Performance: The optimized stranded aluminum conductor controls stable DC resistance and maintains stable current transmission capacity under normal load operation. The modified PVC insulation provides adequate dielectric strength and low leakage current, ensuring safe and stable power supply for conventional medium-voltage power distribution systems.
• Good Outdoor Weather Resistance: The specially formulated PVC insulation resists ultraviolet radiation, common thermal aging, and atmospheric oxidation. Even after long-term use in outdoor environments with high temperature, high humidity, and strong winds, there will be no significant insulation cracking or performance degradation.
• Fewer layout restrictions and wider applicability: The lightweight structure reduces the load-bearing requirements of tower facilities and has low requirements for infrastructure strength. Standard specifications cover the needs of most conventional power distribution projects, facilitating engineering design, material selection, and standardized bulk procurement.
• Wide hardware compatibility: Standard outer diameters and structural dimensions are compatible with commonly available overhead clamps, suspension fittings, tensioning hardware, and connection accessories on the global market. No special customized accessories are required, saving procurement time and costs for engineering projects.

• Standard Raw Material Selection and Full Batch Inspection: We use high-quality aluminum rods and outdoor-grade PVC insulation materials with a stable formula. Each production batch undergoes power frequency withstand voltage testing, insulation resistance testing, mechanical flexibility testing, and aging performance testing. Complete certification documents and test reports are available for project bidding and acceptance.
• Precise Technical Matching and Model Selection Support: Our technical team provides free consultation on current-carrying capacity parameters, specification selection guidance, and suggestions for standard overhead line layouts. We can recommend matching models and laying schemes based on local climate, project voltage level, and load scale, meeting the simplified design needs of standard power distribution projects.
• Export Standard Packaging and Stable Batch Supply: Packed in international standard steel and wooden drums, moisture-proof and pressure-resistant, suitable for long-distance sea and land transportation. We support bulk customized production, flexible trade terms, and stable delivery cycles, serving global municipal contractors, regional power distributors, and rural power grid upgrade projects.
• Balanced Comprehensive Lifecycle Value: Direct sales from the manufacturer control reasonable procurement costs; standardized performance avoids excessive investment in later operation. With a stable service life of over 25 years, reliable daily operation, and low supporting costs, it brings sustainable and balanced economic value to conventional medium-voltage overhead power distribution projects.

Key Engineering and Procurement Guidelines

• Engineers are advised to prioritize JKLV cables for conventional municipal branch lines, rural power grids, and budget-constrained industrial auxiliary lines; select appropriate voltage ratings and conductor cross-sectional areas based on system voltage and actual load.
• For tropical high-temperature and high-UV areas, enhanced UV-resistant custom PVC versions are recommended to extend service life.
• Standard bending radius rules should be followed during transportation and installation; avoid forced bending, dragging, and squeezing to protect insulation integrity.
• Do not lay cables when the ambient temperature is below -20°C; allow sufficient expansion margin for areas with large seasonal temperature differences.
• Use standard aluminum matching overhead joints and connectors to ensure consistent contact performance and prevent abnormal temperature rise at line joints.
• Not recommended for ultra-long-span laying, coastal areas with severe salt spray, and areas prone to severe icing and wind disasters; for such harsh conditions, higher-grade XLPE insulated overhead cables should be selected.