10kV Line Type Composite Post Insulator for Overhead Distribution Lines

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Brand WishPower
Product Category Post Insulators
Model
Price 38
Source Factory Yes
Color Grey/Red
Country / Region China
Lead Time 15 Working Days

Product Overview

The 10kV line type composite post insulator is designed for conductor support and electrical insulation in 10kV overhead distribution lines. Wishpower manufactures this product with a high-strength fiberglass core, silicone rubber housing and durable metal fittings, making it suitable for urban networks, rural grids and demanding outdoor environments.

Main advantages of Wishpower composite insulators include:

  1. High-quality silicone rubber housing with excellent hydrophobicity and weather resistance.

  2. Strong fiberglass core providing reliable mechanical strength.

  3. Compact structure for easy installation and reduced maintenance cost.

  4. Suitable for 10kV overhead distribution lines, urban grid upgrades and rural power projects.

  5. Customizable creepage distance, mounting size and end fitting design according to project requirements.

Core Features

  1. Excellent anti-pollution performance
    The silicone rubber housing provides hydrophobic surface properties, reducing flashover risk in wet and polluted environments.

  2. High mechanical strength
    The fiberglass core offers strong bending, tensile and impact resistance for long-term line support.

  3. Lightweight and easy to install
    Compared with porcelain insulators, composite insulators are lighter and easier to handle during field installation.

  4. Strong aging resistance
    The housing material provides good resistance to UV radiation, ozone, temperature variation and outdoor weathering.

  5. Low maintenance cost
    The product is not easy to break and maintains stable insulation performance, reducing inspection and replacement frequency.

  6. Suitable for harsh environments
    It can be used in humid, polluted, coastal, mountainous, sandy and high-temperature-difference areas.

Product Structure

A 10kV line type composite post insulator usually consists of the following components:

  1. Silicone rubber housing
    Provides external insulation protection with hydrophobic, anti-pollution, weather-resistant and UV-resistant properties.

  2. Epoxy fiberglass core
    Works as the main load-bearing component and provides internal insulation strength.

  3. Metal end fittings
    Usually made of hot-dip galvanized steel or customized anti-corrosion metal materials for connection with crossarms, brackets or conductor clamps.

  4. Sealing interface
    The connection area between fittings and housing is sealed to prevent moisture ingress and ensure long-term reliability.

  5. Shed profile
    The optimized shed design increases creepage distance and improves insulation performance under polluted conditions.


Technical Specifications

ItemReference Specification
Product Name10kV Line Type Composite Post Insulator
Voltage Class10kV
Product TypeLine Type Composite Post Insulator
Housing MaterialHTV Silicone Rubber
Core MaterialEpoxy Fiberglass Rod
Fitting MaterialHot-dip Galvanized Steel / Customized
Rated Frequency50Hz / 60Hz
Rated Mechanical Bending LoadAvailable according to design requirements
Creepage DistanceCustomized according to pollution level and project requirements
Lightning Impulse Withstand VoltageDesigned for 10kV line insulation level
Power Frequency Wet Withstand VoltageDesigned according to medium-voltage line standards
Operating EnvironmentOutdoor
Operating Temperature-40℃ to +50℃, adjustable by project requirement
Installation MethodCrossarm mounting, bracket mounting, line support installation
Applicable StandardsIEC 61952, IEC 62217, relevant power industry standards
Service LifeDesigned for long-term outdoor operation


Product Structure

Main Applications

The 10kV line type composite post insulator is commonly used in the following applications:

  1. 10kV overhead distribution lines
    Used to support conductors and provide insulation between the line and grounded structures.

  2. Urban distribution network upgrading
    Suitable for medium-voltage grid renovation and reliability improvement.

  3. Rural power grid projects
    Applied in rural overhead line construction, extension and upgrading.

  4. Polluted area lines
    Suitable for industrial zones, mining areas and areas with high contamination levels.

  5. Mountainous and sandy regions
    Performs reliably under wind vibration, temperature variation, dust and complex terrain conditions.

  6. Branch line and terminal support
    Can be used for line branches, turning points, support positions and special installation structures.


Testing Capability

Wishpower can perform a range of tests for 10kV line type composite post insulators according to project and quality requirements.

  1. Visual and dimensional inspection
    Checks the product appearance, shed profile, fitting dimensions and mounting interface.

  2. Mechanical load test
    Verifies bending strength, tensile performance and structural stability.

  3. Power frequency withstand test
    Confirms insulation performance under specified voltage conditions.

  4. Lightning impulse withstand test
    Evaluates the insulator’s ability to withstand lightning impulse voltage.

  5. Sealing performance inspection
    Checks the sealing reliability between the metal fittings and silicone rubber housing.

  6. Hydrophobicity test
    Evaluates the water-repellent performance and anti-pollution capability of the silicone rubber surface.

  7. Aging and environmental adaptability test
    UV aging, thermal cycling, salt spray or damp heat tests can be performed according to project requirements.

  8. Factory inspection
    Batch inspection is carried out before delivery to ensure that appearance, dimensions, mechanical performance and electrical performance meet the required specifications.


Packaging & Transportation

To keep products safe during transportation and storage, we use the following packaging methods:

  • Individual Packaging: Each product is wrapped with protective film, packed in a high-strength carton, and cushioned with buffer materials.
  • Pallet Packaging: Multiple products are fixed on wooden pallets and wrapped with stretch film, suitable for container shipping.
  • Export Packaging: Fumigated wooden cases, moisture-proof treatment, and detailed packing lists are provided according to sea freight requirements.

Customization Service

WishPower can provide the following customization options according to customer requirements:

  • Structural Dimensions: Adjust overall height, creepage distance, shed quantity, and shed diameter.
  • End Fittings: Customize ball-socket, tongue-clevis, eye, or other interface types according to connection requirements.
  • Color: Standard gray, with red, yellow, blue, and other colors available subject to MOQ.
  • Special Environments: Formulations for extreme cold (-60 C), strong UV exposure, heavy pollution, and other harsh conditions.
  • Voltage Classes: Full-range customization from 10kV to 1000kV.
  • Marking: Customer logos or model numbers can be molded or printed on the product.

For specific customization requirements, please contact our sales engineers. We will provide a technical solution within 24 hours.

FAQ

Q: Can you supply complete products for transmission and distribution projects?

A: Yes. We can provide composite insulators, surge arresters, fuse cutouts, insulating bushings and related power insulation products.

Q: Are composite insulators suitable for coastal areas?

A: Yes. Composite insulators with silicone rubber housing provide good hydrophobicity and anti-pollution performance, making them suitable for coastal and polluted environments.

Q: How do I choose the right composite insulator for my project?

A: You can provide voltage level, installation type, mechanical load, creepage distance and operating environment. Our team will recommend the suitable model.

Q: What information should I provide for a quotation?

A: Please provide voltage level, product type, quantity, application environment, standard, drawings or technical specifications if available.

Q: What standards can your products meet?

A: Our products can be designed and tested according to IEC, ANSI, GB and customer-specific technical requirements.