High-Quality Porcelain Suspension Insulator

The porcelain suspension insulator is a high-quality insulator that is designed to meet the most demanding requirements. It is made from the finest porcelain materials and is rigorously tested to ensure that it meets all safety and performance standards. The porcelain suspension insulator is the perfect choice for a variety of applications, including high-voltage transmission lines, substations, distribution lines, and railway electrification.

  • Manufactured from high-grade alumina porcelain for superior dielectric strength.
  • Glazed, non-porous surface that is self-cleaning and reduces maintenance.
  • Engineered to withstand significant tensile loads and external forces.
  • Modular design allows for use on various line voltages.
  • Adheres to international standards for guaranteed performance and compatibility.

Description

A Porcelain Suspension Insulator is a critical component for the reliability and safety of overhead power transmission and distribution lines. At EPCOM, we specialize in manufacturing and supplying high-performance ceramic disc insulators designed to meet the rigorous demands of modern electrical grids. These insulators provide essential electrical insulation and mechanical support for high-voltage conductors, ensuring uninterrupted power flow and long-term operational stability. Our commitment to quality makes us a trusted partner for electrical infrastructure projects worldwide.

Porcelain Suspension Insulator in a light and dark color

The Function of a Porcelain Suspension Insulator

The primary role of a suspension insulator is to insulate the line conductor from the tower structure, preventing electrical current from shorting to the ground. Composed of single or multiple disc-shaped units connected in a string, these insulators are exceptionally versatile. The length of the insulator string is determined by the line voltage, atmospheric pollution levels, and other environmental factors. This modular design not only provides superior insulation but also offers robust mechanical strength to support the heavy weight of the conductors and withstand external forces like wind and ice.

Key Features of EPCOM’s Porcelain Insulators

Our insulators are engineered for excellence and longevity. They are manufactured from high-grade alumina porcelain, which offers superior dielectric strength and resistance to electrical stress. Furthermore, the glazed surface is non-porous and self-cleaning, reducing maintenance requirements by preventing the accumulation of dust and contaminants. Each unit is designed to withstand significant tensile loads, ensuring that the mechanical integrity of the transmission line is never compromised. This durability translates to a lower total cost of ownership and enhanced grid reliability.

Technical Specifications for Porcelain Suspension Insulator

EPCOM offers a comprehensive range of suspension insulators to fit various project requirements. Below are the detailed specifications for our standard models, which adhere to internationally recognized standards such as those set by the International Electrotechnical Commission (IEC). This commitment ensures compatibility and performance.

Type Rated Voltage (kV) Mechanical Failing Load (kN) Creepage Distance (mm) Dry Arc Distance (mm) Diameter (mm) Structure Height (mm) Weight (kg)
U70B/146 10 70 305 180 255 146 6
U100B/146 10 100 305 180 255 146 6.9
U120B/146 10 120 305 180 280 146 8.1
U160B/170 10 160 340 230 300 170 10.5
U210B/170 10 210 400 250 320 170 12
U300B/195 10 300 450 280 360 195 19
U420B/240 10 420 550 350 400 240 25
U530B/240 10 530 550 350 400 240 30

Manufacturing High-Performance Ceramic Insulators

The reliability of a Porcelain Suspension Insulator begins with its manufacturing process. We utilize a carefully controlled mixture of high-quality clay, feldspar, and alumina. This mixture is precisely shaped, dried, and then fired at extremely high temperatures in a kiln. This vitrification process creates a mechanically strong body with excellent dielectric properties. A final glaze is applied to provide a smooth, weather-resistant finish before each insulator undergoes rigorous quality control testing to ensure it meets or exceeds industry standards for performance and safety.

Applications and Essential Hardware

While commonly used in high-voltage transmission lines, our suspension insulators are also suitable for substations, railway electrification, and other demanding applications. Proper installation is key to performance, which requires compatible hardware. EPCOM provides a complete solution by offering all the necessary fittings and tools.

For securing conductors, our XGU Suspension Clamp is engineered to provide a secure grip without damaging the cable. In situations requiring conductors to be terminated or anchored, the Preformed Tension Clamp offers exceptional holding strength and durability. Furthermore, successful installation often involves securing various components, which is made easy with our reliable Stainless Steel Banding Tool, a must-have for any line worker.

Why Choose EPCOM as Your Supplier?

Choosing EPCOM means investing in reliability. We are dedicated to providing not just products, but complete and effective solutions for the power industry. Our team of experts is available to assist with product selection, ensuring you receive an insulator that perfectly matches your technical specifications and operating environment. We maintain a large inventory to facilitate quick delivery times and support our products with a commitment to customer satisfaction. Trust EPCOM to power your projects with insulators that deliver unmatched performance and value, ensuring the integrity of your electrical systems for years to come.