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Changsha Power Electric Co.,Ltd. 86-731-8465-7833;
ANSI 57-12 Porcelain Line Post Insulator

ANSI 57-12 Porcelain Line Post Insulator

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    ANSI 57-12 Porcelain Line Post Insulator


    12.5kN Porcelain Line Post Insulator


    ANSI 57-12 Porcelain Post Insulators

  • Color
    Light Gray
  • Material
    Porcelain C-120
  • Application
    Transmission And Distribution Of Electric Power
  • Standard
  • Size
    Customized Size
  • Sample
  • Oem
  • Pack
    Standard Export Packing
  • Place of Origin
  • Brand Name
  • Model Number
    ANSI 57-12
  • Minimum Order Quantity
  • Price
  • Packaging Details
  • Delivery Time
  • Payment Terms
    T/T, L/C
  • Supply Ability

ANSI 57-12 Porcelain Line Post Insulator


Vertical type Electrical Line Post Porcelain Insulator / easy maintenance





ANSI CLASS Creepage distance (mm) Dry arcing distance (mm) cantilever strength (kN) Lower frequency flashover voltage Critical impulse flashover voltage Test voltage to ground (kV)
Dry(kV) Wet(kV) Positive(kV) Negative(kV)
57-12 559 241 12.5 100 70 160 205 22

We offers a wide range of porcelain station post insulators. For decades, these products have demonstrated reliable performance in various types of applications all over the world.

Porcelain insulators are the traditional choice for distribution and transmission line, busbar and apparatus insulation. Manufactured from high-quality non-porous electrical porcelain, they provide long life and cost-effective solutions for a majority of applications.





1. High strength

2. Competitive price and prompt delivery

3. High voltage application

4. Material : Porcelain

5. ANSI Approve





Line post insulators are designed to provide rigid support of conducting cable while offering the maximum resistance to damage from electrical or mechanical events. Horizontal and gain-base line post insulators are often used in applications to avoid the need to install a cross-arm on the pole.



Competitive advantages:


1. Products are producd by ourselves, which ensures competitive prices, good profit margin and flexible services; Our annual turnover exceeds USD2.5 million already;

2. OEM & ODM services are acceptable and various styles, latest designs are recommended once in a while;

3. We have large market share home and abroad;

4. We have lots of experience in providing good service to retailers. We focus on electric products, marketing, services and logistics. It is an important manufacturer and export trader with several decades of experience in designing, researching, manufacturing, testing and logistics.