500kV 300kN Composite Polymer Insulator with 6250mm Length and 20800mm Creepage Distance for Transmission Lines
High-temperature resistant composite polymer insulator with 300kN mechanical strength, designed for 500kV transmission lines. Features ECR FRP fiberglass core, silicone rubber construction, IEC61109 compliance, and excellent self-cleaning performance for heavy pollution zones. Includes 2 corona rings and offers 2-5 year quality guarantee with custom design options available.
shed material
silicone rubber shed
Place of Origin
CHINA
shaping method
high pressure mould injection
color
grey
corona ring
available
Packaging Details
carton
Product Description
500kV 300kN Composite Long Rod Insulator
Ball & eye connection, grey color, IEC61109 compliant for transmission line applications
Technical Specifications
| Type | Mechanical Load | Length | Arcing Distance | Shed Diameter | Creepage Distance | Lightning Impulse Voltage | Wet Power Frequency Voltage |
|---|---|---|---|---|---|---|---|
| HFXGB-500/300 | 300 kN | 6250±15 mm | / | 174 mm | 20800 mm | 2780 kV | 1100 kV |
Product Features
- High-density forged steel fittings with magnetic particle testing for uniform structure and performance
- Hot-dip galvanized surface treatment meeting international standards
- High-temperature silicone rubber sheath and shed with proprietary formulation
- Reinforced ECR FRP high-density fiberglass core material
- Ball & eye connection compliant with IEC standards
- Individual packaging in carton drums for protection
Applications
Suitable for tension string or suspension string applications in 500kV transmission lines. Includes 2 corona rings with each long rod insulator.
Competitive Advantages
- High reliability in mechanical and electrical performance
- 2 to 5 years quality guarantee
- Excellent self-cleaning performance for easy maintenance
- Specifically designed for heavy pollution zones
- Custom design capabilities based on customer requirements
- ECR FRP rod core material specifically for high voltage applications
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