Porcelain Insulator
Zhexi Electric Power specializes in manufacturing ceramic porcelain insulators for overhead power transmission and distribution systems. As an essential part of Overhead Line Accessories, porcelain insulators provide reliable electrical insulation and mechanical support for conductors in medium and high voltage power networks.
Manufactured from high-quality electrical porcelain materials, Zhexi ceramic porcelain insulators feature excellent dielectric performance, mechanical strength, weather resistance, and long-term stability under outdoor operating conditions.
Our main products include porcelain disc insulators with different mechanical load ratings, such as 120kN, 70kN, and 40kN solutions, meeting various requirements for overhead transmission lines, power grid projects, and electrical infrastructure construction.
With professional manufacturing capabilities and strict quality control, Zhexi provides reliable porcelain insulation solutions for global utilities, EPC contractors, and electrical equipment distributors.
Porcelain disc insulators are widely used in overhead transmission systems where high mechanical strength and stable insulation performance are required.
The disc structure allows multiple insulator units to be connected together to form insulation strings for different voltage levels. By selecting different mechanical strength ratings, customers can choose suitable solutions according to conductor weight, line design, and environmental conditions.
Zhexi provides different porcelain disc insulator models, including:
The U120B Porcelain 120kN Disc Insulator is designed for overhead transmission applications requiring high mechanical load capacity and reliable insulation performance.
With a rated mechanical strength of 120kN, this disc insulator is suitable for demanding power transmission environments where durability and long service life are important.
Main applications include:
High voltage overhead transmission lines
Heavy-duty conductor support systems
Large-scale power grid projects
The XP-70 U70BL Porcelain 70kN Disc Insulator provides a balanced solution between mechanical performance and installation requirements.
This porcelain disc insulator is commonly used in overhead transmission and distribution systems where reliable insulation and stable mechanical strength are required.
Features include:
70kN mechanical strength rating
Excellent electrical insulation performance
Suitable for outdoor power applications
Stable operation under different weather conditions
The U40B 40kN Porcelain Disc Insulator is suitable for overhead line applications requiring reliable insulation with moderate mechanical loading capacity.
It provides an economical and dependable insulation solution for power distribution and transmission projects.
Typical applications include:
Medium voltage overhead lines
Distribution network construction
Utility electrical infrastructure
Ceramic porcelain insulators remain widely used in overhead power systems due to their excellent electrical and mechanical properties.
Electrical porcelain provides strong dielectric properties, helping prevent current leakage and ensuring safe operation of overhead power lines.
Different mechanical ratings, including 40kN, 70kN, and 120kN, allow porcelain disc insulators to meet different conductor load requirements.
The glazed porcelain surface provides excellent resistance against moisture, temperature changes, and outdoor environmental exposure.
With stable material characteristics and reliable manufacturing processes, porcelain insulators can maintain long-term performance in power transmission applications.
Ceramic porcelain insulators are widely applied in overhead electrical systems where reliable insulation and mechanical support are required.
In overhead transmission networks, porcelain disc insulators support conductors while maintaining electrical isolation between energized components and supporting structures.
Common applications include:
Transmission towers
Suspension string assemblies
High voltage power lines
Porcelain disc insulators are also used in distribution systems to ensure stable electricity transmission between conductors and supporting structures.
Applications include:
Utility distribution networks
Industrial power supply systems
Regional grid construction projects
With excellent durability and environmental resistance, ceramic porcelain insulators are suitable for long-term outdoor electrical projects in different regions.
Zhexi also provides other Overhead Line Accessories and insulation products, including polymeric insulators and glass insulators, to meet different power system requirements.
| Item | Description |
|---|---|
| Product Type | Ceramic Porcelain Disc Insulator |
| Material | Electrical porcelain |
| Mechanical Strength | 40kN / 70kN / 120kN |
| Application | Overhead transmission and distribution lines |
| Installation | Transmission towers and overhead line systems |
| Surface Treatment | Glazed porcelain surface |
| Operating Environment | Outdoor electrical applications |
| Customization | Available according to project requirements |
Selecting a suitable ceramic porcelain insulator requires considering several important factors:
The mechanical load rating should match conductor weight, span length, and environmental conditions.
For higher load requirements, customers may choose solutions such as the U120B Porcelain 120kN Disc Insulator.
The insulation level should match the operating voltage of the overhead power system to ensure safe and stable operation.
Factors such as pollution level, weather conditions, and line structure should be considered when selecting porcelain disc insulators.
Zhexi can provide professional recommendations based on project specifications and application requirements.
Zhexi Electric Power provides reliable ceramic porcelain insulators and complete Overhead Line Accessories solutions for global power transmission and distribution projects.
Whether you require standard porcelain disc insulators or customized insulation products, our professional team can support your project from product selection to delivery.
Contact Zhexi today for a reliable ceramic porcelain insulator solution.
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Application
Our company's products are sold well in North America, Latin America, Southeast Asia, Africa, the Middle East, etc., and we have established long-term and stable cooperative relations with many international customers.




