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The Polymer Composite Post Insulator for Medium & High Voltage Power Systems is designed to provide reliable electrical insulation and mechanical support in transmission and distribution networks. It is widely used in substations, overhead line systems, switchgear equipment, and utility infrastructure projects.
Manufactured with high-quality silicone rubber housing and fiberglass reinforced core rods, the composite post insulator offers excellent insulation performance, lightweight structure, pollution resistance, and long-term outdoor durability.
Compared with traditional porcelain insulators, polymer composite insulators provide better hydrophobic performance, lower maintenance requirements, and improved resistance to environmental contamination.
Reacon specializes in manufacturing overhead line hardware and electrical insulation products for global utility and power transmission applications.
High-quality silicone rubber housing
Fiberglass reinforced core rod structure
Excellent electrical insulation performance
Lightweight and easy installation
Superior resistance to pollution and UV exposure
High mechanical strength and stability
Suitable for medium and high voltage systems
Long outdoor service life
Corrosion-resistant galvanized metal fittings
| Name | 10kv-500kv Composite Polymer Suspension/ Post/ Pin Insulator |
| Materials | 1) Silicon Rubber for sheds/ housing 2) Glass-fiber reinforced epoxy resin rod (ECR type) for core 3) Hop DIP galvanized cast steel for metal fittings 4) Fitting types: BALL, SOCKET, TONGUE, CLEVIS, EYE and Y-CLEVIS |
| Standard | ANSI, IEC, GB, BS, AS etc. |
| Color | brown, gray glazed |
| Producing | as per drawings or clients' requirement |
| Sample | offer free sample |
Medium voltage power distribution systems
High voltage transmission networks
Electrical substations
Utility pole installations
Outdoor switchgear systems
Industrial and commercial electrical infrastructure
Composite post insulators are widely used in modern electrical systems because of their excellent anti-pollution capability and lightweight structure. The silicone rubber surface maintains strong hydrophobic performance, helping reduce flashover risks in humid or contaminated environments.
The fiberglass reinforced core provides reliable mechanical strength while reducing overall weight, making transportation and installation more efficient than porcelain alternatives.
| Product Name | Polymer Composite Post Insulator |
| Insulation Material | Silicone Rubber |
| Core Material | Fiberglass Reinforced Rod |
| End Fittings | Hot Dip Galvanized Steel |
| Application | Medium & High Voltage Power Systems |
| Type | Composite Post Insulator |
| Installation | Outdoor Electrical Systems |
| OEM Service | Available |
Reacon is a professional manufacturer of electrical insulation products and overhead line hardware. We provide reliable product quality, strict quality control, competitive pricing, and customized OEM solutions for global customers.
Our products are widely used in utility, transmission, and electrical infrastructure projects around the world.
Silicone rubber housing with aging resistance
Electrical performance tested under HV conditions
Mechanical load and bending strength verified
Complies with IEC standards
Q1: What is a composite post insulator used for?
A1: Composite post insulators are used to provide electrical insulation and mechanical support in transmission, distribution, and substation systems.
Q2: What are the advantages of polymer composite insulators?
A2: They are lightweight, resistant to pollution, weather-resistant, and easier to maintain compared with porcelain insulators.
Q3: Is the product suitable for outdoor applications?
A3: Yes. The insulator is designed for outdoor medium and high voltage electrical systems.
Q4: What materials are used in the product?
A4: The product uses silicone rubber housing, fiberglass reinforced core rods, and galvanized steel fittings.
Q5: Do you support OEM and customized production?
A5: Yes. Reacon supports OEM manufacturing and customized technical specifications according to customer requirements.
