High Voltage 120kN Glass Insulator U120BS Suspension

High-Quality Glass Insulators for Overhead Transmission Lines

Glass insulators are critical components used in overhead transmission lines, providing essential insulation and support for wires. The U120BS glass insulator is a highly popular model noted for its robust performance in both the Chinese market and internationally, including countries like Vietnam, Iran, and Algeria.

Product Specifications

• Model Number: U120BS
• Material: Fiberglass
• Application: High voltage transmission lines
• Rated Voltage: 33kV
• Dimensions: Diameter 255mm, Spacing 127mm
• Creepage Distance: 320mm
• Mechanical Failing Load: 120kN
• Net Weight: 3.6kg

Advantages of Glass Insulators

High Mechanical Strength: Glass insulators can endure substantial mechanical loads, ensuring safe and stable operations even in extreme weather conditions such as heavy winds, rainstorms, and snowstorms.

Good Insulation Performance: Due to the intrinsic properties of glass, these insulators effectively prevent current leakage in high-voltage transmission lines, maintaining stable insulation over time for reliable power transmission.

Zero Value Self-Explosion: A unique feature of glass insulators is their ability to self-detect faults. If the insulation performance diminishes, the insulator will automatically break, alerting maintenance personnel to replace them promptly, thus enhancing safety and reliability.

Production Process

The production process at Jiangxi Huayao Electric Co., Ltd involves several key stages:

• Mix Raw Material
• Melt Glass Liquid
• Press to Glass Insulator Shape
• Tempering Treatment
• Cold and Shock Test
• Glue Assembly
• Routine and Other Tests
• Finished Products Packaging

Compliance and Testing Standards

Our glass insulators adhere to international standards:

• GB/T1001.1-2021
• GB/7253-2019
• IEC 60383-1:2023
• IEC 60120:2020

We conduct thorough testing including:

• Verification of Dimensions
• Verifications of Displacements
• Locking System Test
• Galvanized Test
• Thermal Shock Test
• Mechanical Failing Load Test
• Power Frequency Puncture Withstand Test

Application Fields

Glass insulators are extensively used in high-voltage and ultra-high voltage transmission lines, applicable to voltage levels of 110kV, 220kV, 500kV, and beyond. They play a vital role in both urban power supply networks and cross-regional power transmission projects.

For reliable, high-performance glass insulators, trust Jiangxi Huayao Electric Co., Ltd. Our daily output of the U120BS model reaches 10,000 pieces, with a minimum order quantity of 10 pieces and competitive pricing at 7.29 USD per unit. Contact us for your glass insulator needs and ensure the safety and efficiency of your transmission lines.