High Voltage ANSI 56-4 Pin Type Insulators

Porcelain Insulators: Models and Characteristics of the 56 Series

The 56 series, including models like 56-1, 56-2, 56-3, and 56-4, represents a range of American standard porcelain insulators. These insulators are essential for ensuring insulation and support in overhead power lines. While they share similarities with the 55 series, the 56 series offers variations in design and performance to meet diverse power system requirements.

Product Specifications of the 56-4 Porcelain Insulator

• Material: Porcelain
• Application: High voltage transmission lines
• Rated Voltage: 46kV
• Brand Name: Huayao
• Color Options: Brown/White
• Standard: IEC60383
• Place of Origin: Jiangxi, China
• Certification: ISO9001

Key Features of the 56-4 Model

• Dimensions: Diameter (D) - 305mm, Spacing (H) - 241mm, Creepage Distance - 666mm
• Mechanical Values: Cantilever Strength - 13.6kN
• Electrical Values:
  • Dry Flashover Voltage: 140kV
  • Wet Flashover Voltage: 95kV
  • Critical Impulse Flashover Voltage Positive: 225kV
  • Critical Impulse Flashover Voltage Negative: 310kV
  • Low Frequency Puncture Voltage: 185kV
• Radio Influence Voltage Data: Test Voltage RMS to Ground - 30kV, Maximum RIV at 1000 kHz - 100μV

ANSI Class Comparison for Pin Insulators

Production Process at Jiangxi Huayao Electric Co., Ltd.

1. Mix raw material
2. Make blank shape
3. Drying
4. Glazing
5. Put into kiln
6. Glue assembly
7. Routine and other tests
8. Finished products packaging

Global Reach and Quality Assurance

American standard porcelain insulators, like those from the Huayao brand, are renowned for their reliability and performance stability. Applied widely in the United States and countries adhering to American standards, these insulators are integral to maintaining overhead line integrity. Enterprises in regions such as Jiangxi, China, continue to produce high-quality, export-compliant porcelain insulators for global markets.