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High voltage Electrical composite polymer 400kv post insulator

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Voltage Insulation: Designed to withstand voltages up to 400kV, preventing electrical arcs and ensuring safe isolation in power systems. The composite polymer construction and concentric ring design optimize electric field distribution.
  • Environmental Resistance: Built with weather-resistant materials (e.g., GFRP/silicone rubber and metal flanges) to endure extreme temperatures, pollution, and outdoor exposure.

Key features

  • 1. Advanced Composite Polymer Material Technology

  • With a composite polymer body reinforced with glass fiber and a corrosion-resistant metal base, you can ensure exceptional durability and environmental resistance compared to traditional porcelain insulators*.

  • 2. Optimized Concentric Ring Design

  • With the precision-engineered concentric ring structure, you can achieve uniform electric field distribution and prevent flashovers, enhancing safety over non-ringed designs*.

  • 3. 400kV High-Voltage Performance

  • Rated for 400kV operation, this insulator delivers unmatched voltage-handling capability, outperforming lower-rated models in demanding applications like industrial substations*.

  • 4. Customizable Scenario Solutions

  • With adaptable dimensions and material configurations, you can tailor the insulator to specific environments—such as harsh outdoor or indoor commercial settings—compared to rigid, one-size-fits-all alternatives*.

  • 5. Compliance with Safety Standards

  • Engineered to meet international safety certifications (e.g., IEC 60815), this insulator guarantees compliance with high-voltage system regulations, ensuring safe operation*.

Product details

High voltage Electrical composite polymer 400kv post insulator

The High Voltage Electrical Composite Polymer 400kV Post Insulator is engineered for critical high-voltage applications, combining advanced composite materials with robust design to ensure electrical isolation and safety. Its composite polymer construction and concentric ring design optimize performance in harsh environmental and electrical conditions.

Technical specifications

FeatureSpecificationBenefit
MaterialComposite polymer (GFRP/Silicone Rubber)Enhanced durability and environmental resistance
Voltage Rating400kVEnsures safety in high-voltage grids
DesignConcentric rings with metal flangesUniform electric field distribution, reduced flashover risk
Environmental ResistanceUV, moisture, and pollution-resistantLong-term reliability in outdoor settings
Mechanical StrengthAluminum/steel base and flangesSecure structural integrity under load

Customization guide

Adjustable parameters:

  • Length/Height: Tailored to pole heights (e.g., 1.5m–3.5m) for specific grid configurations.
  • Material Composition: Enhanced silicone rubber or GFRP for extreme temperature or pollution zones.
  • Ring Spacing/Count: Optimized for voltage gradients in unique installation scenarios.

Get inspired

With its 400kV rating and composite polymer construction, this insulator is ideal for modern power infrastructure. Whether upgrading substation equipment or installing overhead lines in industrial areas, it delivers unmatched safety and longevity.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Voltage Capacity400kV450kV (+12.5%)500kV (+25%)
MaterialStandard polymerSilicone rubber blendGFRP reinforced (+20% strength)
Environmental RatingIP54IP67 (+30% corrosion resistance)IP68 (+50% chemical resistance)

Supplier's note

  1. Technical Breakthroughs:

    • Material Innovation: The Pro Model’s GFRP reinforcement achieves 25% higher tensile strength than traditional ceramic insulators.
    • Voltage Handling: The Advanced Model’s silicone rubber coating reduces leakage current by 18% in humid conditions.
    • Design Efficiency: Concentric ring geometry minimizes surface arcing, extending lifespan by 40% in polluted environments.
  2. Optimal Version Selection:

    • Base Model: Suitable for standard 400kV grids in moderate climates.
    • Advanced Model: Ideal for coastal or industrial zones requiring IP67 protection and enhanced corrosion resistance.
    • Pro Model: Deploy in extreme environments (e.g., high-altitude substations) where 500kV capacity and chemical resistance are critical.

With the Pro Model’s 500kV rating, you can safely handle ultra-high voltage demands while its GFRP structure ensures 20% lighter weight than ceramic alternatives. Pair the Advanced Model’s silicone rubber with IP67 certification to mitigate risks in heavy rainfall or salt-heavy coastal areas.

Frequently asked questions

  • Which high-voltage insulator model is best suited for 400kV substations?

  • Composite polymer vs porcelain: Which is better for outdoor high-voltage insulators?

  • How do I clean high-voltage composite polymer insulators to prevent contamination?

  • Can this 400kV insulator be customized for specific voltage or environmental requirements?

  • Is this composite polymer insulator UL-certified for high-voltage applications?

  • How does the design of this 400kV insulator prevent electrical arcs?

  • Can this insulator withstand harsh environments like coastal regions with salt spray?

  • What’s the lifespan of composite polymer insulators compared to porcelain?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHigh-voltage transmission lines, substationsIndustry Standard: Basic polymer (ASTM D638)
Our Base: Composite polymer (GFRP, ASTM D790)
Our Advanced: Reinforced composite + ceramic additives (ASTM D695)
▲ Base: 20% higher dielectric strength vs. Standard
▲ Advanced: 30% better UV resistance (IEC 61217)
Standard: Prone to environmental degradation
Advanced: Higher upfront cost
Voltage Rating110–400 kV power gridsIndustry Standard: 240 kV (IEC 60137)
Our Base: 330 kV (IEC 60815)
Our Advanced: 400 kV (IEC 62221)
▲ Base: Supports medium-tension grids
▲ Advanced: Handles ultra-high-voltage (UHV) systems
Standard: Limited to lower-voltage applications
Advanced: Requires specialized installation
Environmental ResistanceCoastal/industrial zones (high pollution)Industry Standard: UV resistance: 1000h (IEC 61643)
Our Base: 2000h
Our Advanced: 3000h + chemical resistance (ASTM D543)
▲ Base: 50% longer lifespan in harsh conditions
▲ Advanced: Withstands 50+ chemical exposures
Standard: Degradation in 3–5 years
Advanced: Heavier, bulkier design
Mechanical StrengthSeismic zones, heavy wind areasIndustry Standard: Bending strength: 500 MPa (ASTM D790)
Our Base: 650 MPa
Our Advanced: 800 MPa + corrosion-resistant flanges (ASTM A354)
▲ Base: 30% stronger than Standard
▲ Advanced: 60% higher load capacity
Standard: Risk of fracture in extreme conditions
Advanced: Complex assembly
Arc ResistanceSubstations with frequent surgesIndustry Standard: 15 kA fault current (IEC 62271)
Our Base: 25 kA
Our Advanced: 40 kA + self-extinguishing properties (UL 94 V-0)
▲ Base: Mitigates 60% of arc risks
▲ Advanced: 95% arc suppression efficiency
Standard: Higher maintenance costs
Advanced: Requires trained technicians
Installation ComplexityRapid deployment projectsIndustry Standard: Manual assembly (3–4 hours)
Our Base: Modular design (1.5 hours)
Our Advanced: Pre-assembled with quick-connect (30 mins)
▲ Base: 50% faster installation
▲ Advanced: Reduces downtime by 70%
Standard: Labor-intensive
Advanced: Limited customization options

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