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HAIVO 15KV Composite Pin Silicone Rubber Insulator is engineered to deliver reliable mechanical support and electrical insulation for overhead power distribution systems. Manufactured from high-grade silicone rubber—the most trusted polymeric insulation material for high-voltage applications—this pin insulator is designed to withstand the harshest environmental conditions while maintaining consistent performance. Our composite insulators are widely adopted by utility companies, electrical contractors, and power infrastructure developers worldwide for their superior durability and operational reliability.
This 15kV pin insulator is specifically optimized for supporting overhead conductors in distribution lines and substations. It complies with IEC 61952:2008, ANSI, and GB international standards, ensuring compatibility with global power system requirements. With a rated mechanical load of 5kN and a minimum creepage distance of 450mm, it provides exceptional protection against electrical faults and mechanical stress.
Our 15kV silicone rubber composite pin insulator features excellent hydrophobicity and hydrophobicity migration properties, which prevent water from forming continuous films on the surface. This significantly reduces the risk of pollution flashovers, a common cause of power outages in industrial and coastal areas. The insulator delivers a lightning impulse withstand voltage of ≥120kVp and a wet power frequency withstand voltage of ≥50kVr.m.s., ensuring reliable operation even during severe weather events.
The high-quality silicone rubber housing also exhibits outstanding soil resistance and electrical insulation properties, maintaining stable performance over long periods of use. Its strong anti-pollution flashover ability makes it ideal for deployment in areas with high levels of industrial pollution, salt spray, or dust.
At the core of each insulator is a modified ECR fiberglass reinforced epoxy resin rod with a tensile strength exceeding 1200MPa. This core material provides excellent resistance to high temperatures, stress corrosion, and acid attack, as well as superior damping action. It effectively resists creep and fatigue failure, ensuring the long-term mechanical integrity of the insulator.
The end fittings are crimped onto the fiberglass rod using advanced voice-operated displacement type crimping technology. This process results in insulators with consistently high mechanical strength and minimal performance dispersion, making them highly resistant to earthquakes and vibration.
The whole injection-molded silicone rubber housing provides excellent anti-aging performance, with a service life exceeding 30 years under normal operating conditions. It is highly resistant to ozone, UV radiation, and extreme temperature fluctuations, making it suitable for use in high-altitude areas up to 4000 meters above sea level.
Unlike traditional ceramic insulators, our composite pin insulators are unbreakable, eliminating the risk of damage during transportation, installation, and operation. This significantly reduces replacement frequency and maintenance costs for power system operators.
With a compact design and lightweight construction, our 15kV composite pin insulator is up to 70% lighter than equivalent ceramic insulators. This reduces transportation costs and simplifies installation, allowing electrical contractors to complete projects faster and with less labor. The insulator's good anti-vibration capability also ensures stable performance after installation, even in areas prone to seismic activity.
Model | Rated voltage (KV) | Specified Mechanical load (KN) | Spacing H (mm) | Arcing distance (≥mm) | Minimum Creepage distance (mm) | Lightning impulse Withstand voltage (≥KVp) | Wet power frequency withstand voltage (≥KVr.m.s.) |
|---|---|---|---|---|---|---|---|
FPW-12/5 | 12 | 5 | 248 | 195 | 315 | 100 | 45 |
FPW-12/5 | 12 | 5 | 228 | 195 | 315 | 100 | 45 |
FPW-15/5 | 15 | 5 | 268 | 215 | 450 | 120 | 50 |
FPW-15/5 | 15 | 5 | 248 | 215 | 450 | 120 | 50 |
FPW-24/8 | 24 | 5 | 308 | 250 | 480 | 150 | 60 |
FPW-24/8 | 24 | 5 | 288 | 250 | 480 | 150 | 60 |
FPW-36/5 | 36 | 5 | 413 | 340 | 900 | 180 | 80 |
FPW-36/5 | 36 | 5 | 393 | 340 | 900 | 180 | 80 |
Whole Injection Silicone Rubber Housing: The silicone rubber housing is formed in a single injection molding process, ensuring uniform material distribution and excellent hydrophobicity, hydrophobicity migration, and soil resistance. This design effectively prevents pollution flashover accidents and ensures the safe operation of high-voltage transmission lines.
Modified ECR Fiberglass Core: The high-strength ECR fiberglass reinforced epoxy resin rod provides superior mechanical performance and internal insulation quality. It resists high temperatures, stress corrosion, and acid attack, as well as creep and fatigue failure.
Advanced Crimping Technology: End fittings are attached using voice-operated displacement crimping equipment, which delivers precise and consistent crimping results. This technology ensures high mechanical strength and small performance dispersion across all insulators.
Integrated Interface Design: The connection between end fittings and the fiberglass rod is fully fused with the sheds housing through overall high-temperature vulcanized silicone rubber injection molding. This minimizes interface gaps and eliminates potential points of failure.
Internal Radial Multi-Seal Structure: A multi-layer radial sealing system is implemented at the connection between end fittings and the rod, effectively guaranteeing long-term sealing reliability and preventing moisture ingress into the insulator core.
Our 15KV Composite Pin Silicone Rubber Insulator is suitable for a wide range of power system applications, including:
15kV overhead power distribution lines
Substation busbar support systems
Rural power grid construction and renovation projects
High-altitude power transmission systems (up to 4000m)
Coastal areas with high salt spray levels
Industrial zones with heavy pollution
Earthquake-prone regions
All HAIVO composite insulators are manufactured in strict accordance with international quality standards. Our 15kV pin insulator complies with:
IEC 61952:2008 (Insulators for overhead lines - Composite pin insulators for a.c. systems with a nominal voltage greater than 1000V)
ANSI C29.9 (American National Standard for Insulators - Composite Pin-Type Insulators)
GB/T 19519 (Chinese National Standard for Composite Insulators for Overhead Lines)
We understand that different power system projects have unique requirements. HAIVO offers comprehensive customization services for our composite insulators, including:
Custom mechanical load ratings
Special creepage distance specifications
Custom color options (standard colors: red, gray, white)
Modified end fitting designs
Special packaging requirements
Our engineering team will work closely with you to develop insulators that meet your exact project specifications.
HAIVO is a leading manufacturer of high-quality composite insulators with extensive experience in the power industry. We combine advanced manufacturing technology with rigorous quality control processes to deliver products that meet the highest international standards.
Our state-of-the-art production facility is equipped with the latest injection molding, crimping, and testing equipment, ensuring consistent quality across all our products. We have a dedicated team of electrical engineers and material scientists who continuously work to improve our insulator designs and performance.
With a global customer base spanning multiple continents, HAIVO has established a reputation for reliability, innovation, and exceptional customer service. We provide comprehensive technical support before, during, and after the sale, ensuring that our customers get the most out of our products.
If you are looking for high-performance 15KV Composite Pin Silicone Rubber Insulators for your power distribution project, contact HAIVO today. Our team of experts will provide you with a detailed quote and technical specifications tailored to your specific needs.
We offer competitive pricing, fast delivery times, and flexible payment terms. Whether you need a small quantity for a local project or a large order for a major infrastructure development, we have the capacity to meet your requirements.
Request your free quote now by filling out our online form, sending an email to our sales team, or contacting us via WhatsApp. We look forward to partnering with you on your next power system project.
