40kN High Voltage Porcelain Insulator U40B

Porcelain Insulators: Essential for Electrical Insulation and Mechanical Support

Porcelain insulators play a crucial role in ensuring safety and efficiency in electrical systems. Their primary function is to provide electrical insulation and mechanical support, isolating wires or equipment from supporting structures to prevent accidental current flow. They also bear the weight of the circuit or equipment and maintain stability under external forces such as wind, impact, or vibration.

Main Types of Porcelain Insulators

• Suspension Insulator: Utilized for insulation and mechanical fixation of high-voltage overhead transmission lines and soft busbars in power generation and substations. It includes disc-shaped and rod-shaped suspension insulators, with disc-shaped being the most commonly deployed.
• Post Insulator: Used for the insulation and mechanical fixation of busbars and electrical equipment in power plants and substations. It also serves as a component in electrical equipment such as isolating switches and circuit breakers. Divided into needle post insulators for low-voltage lines and rod post insulators for high-voltage substations.

Related Products: Technical Parameters and Standards

The standard disk suspension type porcelain insulator features are detailed as follows:

• Diameter D (mm): Ranges from 190 to 380 mm
• Spacing H (mm): Ranges from 140 to 240 mm
• Creepage Distance L(mm): Ranges from 200 to 600 mm
• Size of Coupling (mm): Ranges from 16 to 32 mm
• Mechanical Failing Load (kN): Ranges from 40 to 530 kN
• Power Frequency Withstand Voltage DRY (kV): Ranges from 55 to 95 kV
• Power Frequency Withstand Voltage WET (kV): Ranges from 30 to 55 kV

Product Details: Porcelain Insulator Model U40B/140

High-quality porcelain insulator by Huayao:

• Application: High voltage insulation for transmission lines
• Rated Voltage: 33kV
• Place of Origin: Jiangxi, China
• Certification: ISO9001
• Color: Available in brown and white

Key Specifications of U40B Model

• Diameter: 190mm
• Spacing: 140mm
• Creepage Distance: 200mm
• Coupling Size: 16mm
• Mechanical Failing Load: 40kN
• Electrical Dry Power-Frequency Withstand Voltage: 55kV
• Electrical Wet Power-Frequency Withstand Voltage: 30kV

Production Process Flow at Jiangxi Huayao Electric Co., Ltd.

The production of porcelain insulators involves multiple steps:

• Mix raw material
• Make blank shape
• Drying
• Glazing
• Put into kiln
• Glue assembly
• Routine and other testing
• Finished products packaging

Jiangxi Huayao Electric Co., Ltd. offers a wide range of porcelain insulators, catering to various electrical insulation needs. Ensure the safety and stability of your electrical systems with our reliable and certified products.