JKLGYJ cable is an overhead XLPE insulated power cable with a steel core reinforcement structure, mainly used for power transmission and distribution in outdoor overhead power lines. This naming indicates that the cable is an aluminum conductor with a steel core and cross-linked polyethylene insulation, used for overhead power lines. The steel core serves to improve tensile strength and meet the requirements of long-span installations.
JKLGYJ Cable Structure
1. Conductor: Aluminum or aluminum alloy conductor.
2. Steel Core Reinforcement: Center or surrounding steel core reinforcement to improve tensile and mechanical load-bearing capacity.
3. Insulation Layer: Weather-resistant cross-linked polyethylene (XLPE) insulation to improve heat resistance and long-term service stability.
Specifications & Parameters
| Conductor Specifications (mm²) | Conductor Structure (Number of Conductors/Diameter in mm) | Insulation Thickness (mm) | Outer Diameter (approx.) (mm) | Conductor DC Resistance (Ω/km) (20°C) | Cable Weight (kg/km) |
| 10 | 7/1.35 | 1.0 | 5.8 | 3.08 | 41 |
| 16 | 7/1.71 | 1.2 | 7.2 | 1.91 | 65 |
| 25 | 7/2.16 | 1.2 | 8.4 | 1.20 | 93 |
| 35 | 7/2.55 | 1.4 | 9.8 | 0.868 | 129 |
| 50 | 7/3.00 | 1.4 | 11.1 | 0.641 | 170 |
| 70 | 19/2.16 | 1.4 | 12.8 | 0.433 | 233 |
| 95 | 19/2.55 | 1.6 | 14.8 | 0.320 | 316 |
| 120 | 37/2.05 | 1.6 | 16.2 | 0.253 | 388 |
| 150 | 37/2.28 | 1.8 | 18.1 | 0.206 | 485 |
Features of JKLGYJ Cables
High Mechanical Strength: The steel core reinforcement design enhances tensile and wind load resistance, making it suitable for long-distance overhead installations.
Excellent Insulation Performance: XLPE insulation material is heat-resistant, aging-resistant, and weather-resistant, with a long-term allowable operating temperature up to approximately 90℃.
Wide Voltage Range: Can be manufactured for 0.6/1 kV, 10 kV, and even higher voltage levels to meet diverse project requirements.
Strong Outdoor Applicability: Resistant to UV radiation and moisture, adaptable to the changing climates of overhead power supply environments.
Application Of JKLGYJ Cables
Overhead transmission and distribution of power lines in urban and rural areas
Connection and distribution of medium- and low-voltage lines in overhead power networks
Outdoor power systems with high requirements for mechanical strength and insulation performance, such as road lighting and power distribution in substations
Its design is suitable for use in outdoor overhead scenarios requiring current-carrying capacity, insulation protection, and resistance to mechanical stress.
Zhongjing Product Quality
JKLGYJ overhead insulated cables conform to GB/T 12527-2008, GB/T 14049-2008, and other international standards.
Our Factory
Zhejiang Zhongjing Cable Co., Ltd. has over 20 years of manufacturing experience with advanced production lines, strict testing procedures, and a stable raw material supply. We supply various cables to domestic and international markets with strong OEM/ODM capabilities.
Packaging and Transportation
After-sales service
We provide full technical support, fast response for customer inquiries, and long-term service for distributors and engineering contractors. Any quality issues are handled promptly with guaranteed solutions.
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