ANSI 57-3 Porcelain Line Post Insulator

• Customization: Available
• Application: High-voltage
• Material: Porcelain
• Model NO.: ANSI 57-3
• Structure: Post Insulator
• Type: B Type Insulator
• Usage: High Voltage Power Transmission, Insulation, Electrical Installation
• Connection Method: Trough Type
• Size of Bearing Capacity: 70KN
• Certification: CCC, CE, ISO9001
• Color: Brown, Gray
• Brand: Re
• Rated Voltage: 220V-380V
• Standard: ANSI
• Transport Package: Wood Box, Pallet
• Specification: ANSI 57-3
• Trademark: RE
• Origin: Yueqing, Zhejiang, China
• HS Code: 8546909000
• Production Capacity: 50000 Pieces Per Month

Product Description

Product Description

The Porcelain Electrical Ceramic Insulator is a key component used in power transmission and distribution systems to provide mechanical support and electrical insulation between conductors and grounded structures.
Made from high-quality electrical porcelain, it features excellent dielectric strength, mechanical durability, and resistance to environmental aging.
This insulator is widely used in substations, power lines, and electrical equipment to ensure stable and safe operation.

Product Advantages

 • High Electrical Insulation — Excellent dielectric strength ensures stable current isolation.

 • Strong Mechanical Strength — Can bear heavy loads and withstand strong tension.

 • Weather Resistance — Performs reliably under UV, rain, and temperature variations.

 • Corrosion & Aging Resistance — Glazed porcelain surface resists moisture and pollution.

 • Long Service Life — Designed for long-term outdoor operation.

Application Scenarios:

Quality Assurance:

 • Overhead power transmission and distribution lines
 • Electrical substations and switchyards
 • Power utilities and electrical equipment
 • Railway and communication line insulation

All porcelain insulators are manufactured according to ASTM standards,
and undergo mechanical load tests, electrical insulation tests, and wet withstand voltage tests to ensure safe and stable performance in all environments.

FAQ:

Q1: What material is used for the insulator?
A1: High-quality glazed electrical porcelain.

Q2: What voltage levels are available?
A2: Suitable for low, medium, and high voltage applications (1kV–220kV).

Q3: Can it withstand outdoor weather?
A3: Yes, the glazed surface provides excellent protection from UV and rain.

Q4: Is it customizable?
A4: Yes, sizes and shapes can be customized according to standard or customer drawings.

If you're looking for specific dimensions or models, please refer to our catalog above. Simply provide the size, inner diameter, or part number, and we'll be happy to offer you a quote. Feel free to leave us a message, email us your requirements, or call directly for assistance or to place an order.

Company Profile

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We are the manufacturer with 20 years experience of  galvanized steel overhead line fittings.
Yueqing Reacon Electric Co.,Ltd. has been engaged in designing and making  in producing electric power fittings and pole line accessories more than 20 years, and has got the certificate of International Quality System ISO9001. 
Our company has products of all specifications and its major products are overhead insulator fittings, poleline accessories, power line fittings, porcelain insulators and so on. The company has a strong technological power, top-ranking production.

Our Services 
1. Rich experience in ODM  and OEM  
2. Excellent One-stop service
3. High Quality Precision Customized forging & Casting services
4. The lowest price
5. Strict quality control
6 We can manufacture it according to customers requirements.

FAQ

Q1: How is the Design & Engineering
 A: Experienced and skilled team of designers including CAD designers and 3D designers has the capacity to deliver outstanding designs for your project.
     If you require more complex engineering of structures such as overhead transmission and distribution lines design,we can also provide this service also designer fee.
 
Q2: What's the payment term?
 A: We accept T/T, L/C, West Union, Cash.
 
Q3: What's the delivery time?
 A: Usually 2-4 weeks. Or according to quantities 
 
Q4: What's the standard of package?
 A: Export standard package or special package as the requirement of customers.

Q5: What kind of product quality your factory offer?
 A: Our products with both excellent quality and competitive price. And we offer free sample for your reference.
  
Q6: Where is your mainly market?
  A: We mainly ship to South America, North America, Africa , Asia, etc.
 
Q7: What kind of certificate you have?
 A: We have ISO9000, DAS