High Voltage Cross Arm Insulator

High voltage cross arm insulators available in porcelain and composite materials for overhead transmission and distribution lines.

High mechanical strength, excellent insulation performance, and superior weather resistance.

其他信息

Product Details:

High Voltage Cross Arm Insulator is a porcelain or composite insulator designed for installation on cross arms of overhead transmission and distribution lines.

It provides reliable electrical insulation and mechanical support for conductors while maintaining safe clearance between energized conductors and grounded structures.

Cross arm insulators are widely used in utility networks, substations, railway electrification systems, and industrial power distribution projects.

 

Product Features

  • Available in porcelain and polymer (composite) versions
  • High dielectric strength and insulation performance
  • Excellent mechanical load-bearing capacity
  • Superior resistance to pollution and weathering
  • UV-resistant and corrosion-resistant construction
  • Suitable for horizontal and vertical mounting
  • Long service life with minimal maintenance
  • Designed for medium and high-voltage applications

 

Technical Specifications

Item Specification
Product Type Cross Arm Insulator
Rated Voltage 11kV – 220kV
Material Porcelain or Silicone Rubber Composite
Core Material (Composite Type) Fiberglass Reinforced Epoxy (FRP)
Housing Material (Composite Type) HTV Silicone Rubber
Mechanical Load Customized According to Application
Creepage Distance According to Voltage Class
Color Brown, Gray, or Customer Requirement
Installation Cross Arm Mounted
Standard IEC, ANSI, BS, GB/T

Product Construction

Porcelain Type

Manufactured from high-strength electrical porcelain with a glazed surface for excellent weather resistance and long-term reliability.

Composite Type

Constructed with an FRP core rod and HTV silicone rubber housing, offering lightweight design, superior pollution resistance, and enhanced safety.

Metal Fittings

Hot-dip galvanized steel hardware ensures secure installation and excellent corrosion resistance in outdoor environments.

Applications

  • Overhead Transmission Lines
  • Overhead Distribution Networks
  • Utility Power Systems
  • Railway Electrification Projects
  • Rural Electrification Networks
  • Industrial Power Distribution
  • Renewable Energy Grid Connections
  • Coastal and High-Pollution Areas

Advantages

Excellent Electrical Performance

Provides reliable insulation between conductors and support structures under normal and adverse weather conditions.

High Mechanical Strength

Designed to withstand conductor tension, wind loads, vibration, and other mechanical stresses encountered in power line applications.

Superior Environmental Resistance

Offers excellent performance against UV radiation, rain, snow, salt fog, industrial pollution, and temperature variations.

Flexible Design Options

Available in different voltage classes, mounting configurations, and materials to meet various utility requirements.

Long Service Life

Manufactured using premium materials for decades of reliable operation with minimal maintenance.

Available Voltage Classes

  • 11kV Cross Arm Insulator
  • 15kV Cross Arm Insulator
  • 24kV Cross Arm Insulator
  • 33kV Cross Arm Insulator
  • 36kV Cross Arm Insulator
  • 66kV Cross Arm Insulator
  • 110kV Cross Arm Insulator
  • 132kV Cross Arm Insulator
  • 220kV Cross Arm Insulator

 

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