Medium Voltage Pin Insulators ANSI 55-1

Overview of Porcelain Insulators

Huayao Electric is renowned for its high-quality porcelain pin insulators, designed for medium voltage transmission lines. Our products are crafted to meet the stringent standards of IEC60383, ensuring durability and efficiency in power insulation applications.

Product Classification

• Voltage Level: High-voltage pin insulators and low-voltage pin insulators.
• Pin Length: Long leg pin insulators for wooden crossarms, and short leg pin insulators for iron crossarms.

Specifications of the 55-1 Porcelain Insulator

Our Model 55-1 porcelain pin insulator boasts superior mechanical and electrical properties, suitable for use in medium voltage applications with rated voltages of 12kV/33kV.

• Dimensions: Diameter: 83mm, Height: 89mm
• Creepage Distance: 102mm
• Mechanical Strength: Cantilever strength of 13.6kN
• Electrical Values:
  • Dry flashover voltage: 35kV
  • Wet flashover voltage: 20kV
  • Critical impulse flashover voltage positive: 50kV
  • Critical impulse flashover voltage negative: 70kV
  • Low frequency puncture voltage: 50kV
• Radio Influence Voltage: Test Voltage RMS to Ground: 5kV, Maximum RIV at 1000 kHz: 50μV

ANSI Classifications

Pin type porcelain insulators from Huayao come in various ANSI classes, including 55-1 through 55-6, each designed to meet specific infrastructure needs.

• ANSI Class 55-1: Basic dimensions with a cantilever strength of 13.6kN, suitable for 7.2kV applications.
• ANSI Class 55-2 to 55-6 offer increasing dimensions and voltage ratings, up to 23kV.

Manufacturing Process

Our manufacturing process is meticulous, ensuring each insulator meets high-performance standards. The process includes:

• Mixing raw materials
• Shaping blanks
• Drying and glazing
• Firing in kilns
• Glue assembly and mechanical testing
• Packaging of finished products

Production and Supply Capability

Located in Jiangxi, China, Huayao Electric Co., Ltd. can produce up to 10,000 pieces daily, maintaining a robust supply capacity of 50,000 pieces per order. We offer flexible shipping options via Ningbo and Shanghai ports, with payment terms including TT, L/C, and FCA.

Commitment to Quality

Porcelain pin insulators by Huayao are the epitome of quality and reliability in the sector. Each insulator is a testimonial to Huayao's engineering excellence and commitment to energy efficiency and safety in transmission lines.