High Voltage Electrical Porcelain Insulator 57-4

Performance Advantages of Post Porcelain Insulators

Post porcelain insulators offer a range of performance advantages, ensuring reliable operation in high-voltage transmission systems. Here’s a detailed look at their key benefits:

Good Mechanical Performance

• Designed to withstand significant axial and lateral loads, ensuring stability in harsh weather conditions such as strong winds, ice, and snow.
• Protects electrical components like wires from displacement or damage due to mechanical forces.

Excellent Electrical Insulation Performance

• High insulation resistance and breakdown voltage prevent leakage and flashover phenomena.
• Critical for maintaining safe operation in high-voltage transmission and distribution lines.

Strong Weather Resistance

• Ceramic materials boast excellent weather resistance, performing consistently under various climatic conditions including high and low temperatures, and humidity.

Main Types of Post Porcelain Insulators

• DIN Class Type No. 57-4: Features a creepage distance of 1015 mm, dry arcing distance of 368 mm, and cantilever strength of 125 kN.
• Offers impressive electrical values such as a dry flashover voltage of 150 kV and wet flashover voltage of 125 kV.

Product Specifications

The 57-4 porcelain post type insulator from Huayao is designed for high voltage applications:

• Model Number: 57-4
• Material: Porcelain
• Application: High voltage transmission lines
• Rated Voltage: 12 kV/33 kV
• Standard: IEC60383
• Color: Brown/White

Product Details

• Place of Origin: Jiangxi, China
• Brand Name: Huayao
• Certification: ISO9001
• Daily Output: 10,000 pieces
• Supply Ability: 50,000 pcs
• Packaging: Normal export packaging
• Delivery Port: Ningbo, Shanghai
• Payment Terms: TT, L/C, FCA

Production Process Flow

The production process at Jiangxi Huayao Electric Co., Ltd includes:

• Mixing raw materials
• Making blank shape
• Drying
• Glazing
• Putting into kiln
• Glue assembly
• Routine tests
• Packaging finished products

Product Applications

Post ceramic insulators are essential electrical equipment for supporting and insulating components in high-voltage systems. They comprise ceramic parts for insulation and metal accessories for installation.