T: +86-18906892820
F4-19037-6#, Yiwu Intl Trade Mart, Yiwu Jinhua, Zhejiang, China (Mainland)
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FPQ-10/10
SASUN
8546900000-1
In modern power distribution systems, stability is not optional—it is expected. Our Composite Line Post Insulators are designed to provide reliable mechanical support and superior electrical insulation for overhead lines and substations, ensuring consistent performance even in demanding environments.
Unlike traditional porcelain insulators that feel rigid and fragile, these composite units offer a smooth, resilient silicone surface that resists moisture, pollution, and environmental stress. When installed, they stand quietly yet firmly—absorbing wind loads, resisting contamination, and maintaining electrical integrity.
Specified Cantilever Load (SCL): 10kN
Max Design Cantilever Load (MDCL): 5kN
Low Frequency Dry Flashover Voltage: 80kV
Low Frequency Wet Flashover Voltage: 50kV
Critical Impulse Flashover Voltage, Positive: 125kV
Critical Impulse Flashover Voltage, Negative: 130kV
Net Weight, Approximate: 1.32kg
The outer layer feels smooth and slightly elastic, designed to repel water and prevent contamination buildup. Even after exposure to pollution, the surface maintains its insulating properties, ensuring consistent electrical performance.
At the heart of the insulator lies a robust fiberglass rod, engineered to handle mechanical loads while maintaining flexibility. This combination ensures durability without brittleness.
Line post insulators are designed to support conductors in limited spaces, making them ideal for substations and compact line configurations where efficiency is critical.
Hot-dip galvanized steel fittings provide long-term protection against rust and environmental degradation, ensuring secure and reliable connections.
Provides stable conductor support and insulation in medium-voltage transmission systems.
Ideal for compact layouts where space optimization and reliability are essential.
Performs reliably in environments with high levels of dust, chemicals, or pollution.
Designed to endure wind, ice, and temperature fluctuations without compromising structural integrity.
| Feature | Composite Line Post Insulators | Porcelain Insulators |
| Weight | Lightweight | Heavy |
| Impact Resistance | High | Low (brittle) |
| Pollution Performance | Excellent | Moderate |
| Maintenance | Low | High |
| Installation | Easy | Labor-intensive |
| Lifespan Stability | High in harsh environments | Reduced in polluted areas |
Q1: Are these insulators suitable for polluted environments?
Yes, the silicone rubber housing provides excellent resistance to contamination and maintains insulation performance.
Q2: Can the specifications be customized?
Absolutely. We offer customization based on voltage levels, mechanical loads, and environmental conditions.
Q3: How long is the service life?
With proper installation, these insulators can operate reliably for decades with minimal maintenance.
Q4: What standards do the products comply with?
They meet IEC, ANSI, and GB standards, ensuring global applicability.
