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Product Name: Composite Pin Insulator ( is also named Polymer Pin Insulator, Silicone Pin Insulator)
Product Type: FH5C-10X-12.7-36
Height(mm): 342 ± 10
Min Dry Arcing Distance(mm): 200
Min Creepage Distance(mm): 400
Diameter of the rod(mm): 24
Number of sheds: 3
Sheds of diameter(mm): 145/110
Screw diameter/ Screw length(mm):20/40
Rated Bending Load(kN): 5
Rated Voltage(kV): 10
Lightning Impulse Withstand Voltage(kV): 95
Power Frequency Withstand Voltage(kV): 45
The 10kV Composite Pin Insulator (model FH5C-10X-12.7-36) integrates insulation, mechanical support, and lightning protection into a single unit—addressing a key pain point for insulated overhead distribution lines. It eliminates line breakages and insulator burning caused by direct lightning or induced surges, thanks to its built-in arc-striking device (patented needle-type structure) and outer gap arc protection principle. Key parameters include a 400mm creepage distance, 5kN rated bending load, 95KV lightning impulse withstand voltage, and 45KV power frequency withstand voltage. The insulator is compatible with 10~20KV overhead insulated lines and old line upgrades.
The clamp-on design allows installation without stripping conductor insulation, reducing labor time and avoiding conductor damage. The tooth-piercing structure (integrated with the aluminum cap) ensures reliable grounding contact without harming wire strands.
Built-in arcing horns and surge-resistant materials divert lightning strikes, preventing flashovers. This eliminates the need for separate lightning arresters, reducing system complexity and cost.
• Mechanical Strength: 5kN bending load resists wind, ice, and conductor tension—suitable for rural or mountainous lines.
• Insulation: Weather-resistant silicone rubber housing (hydrophobic, UV-resistant) maintains dielectric strength in harsh environments.
The arc-striking device can be replaced individually, avoiding full insulator replacement and reducing maintenance costs.
In areas with frequent lightning, the insulator’s built-in protection prevents line breakages and insulator burnout—critical for rural power access where downtime impacts communities.
For urban 10KV networks, the compact design fits into narrow installation spaces (e.g., between buildings). The piercing installation minimizes traffic disruptions during upgrades or repairs.
In solar/wind farm distribution lines, the insulator protects against surges from weather events while supporting conductor weight. Its compatibility with 10~20KV lines makes it versatile for renewable integration.
• Standard Compliance: Meets IEC 60383 (insulators) and IEC 60099 (surge arresters) standards. Each unit undergoes leakage current and impulse withstand testing.
• Installation Manuals: Step-by-step guides for clamp-on mounting, including torque specifications for piercing claws.
• Troubleshooting: Quick-reference charts for identifying common issues (e.g., poor contact, arc-striking device wear).
• Retrofit Support: Custom adapters for upgrading old porcelain pin insulators to this composite model.
• Warranty: 6-year warranty covering lightning protection components and insulation performance.
• Training: On-site workshops for utility teams on installation and maintenance best practices.
Product Name: Composite Pin Insulator ( is also named Polymer Pin Insulator, Silicone Pin Insulator)
Product Type: FH5C-10X-12.7-36
Height(mm): 342 ± 10
Min Dry Arcing Distance(mm): 200
Min Creepage Distance(mm): 400
Diameter of the rod(mm): 24
Number of sheds: 3
Sheds of diameter(mm): 145/110
Screw diameter/ Screw length(mm):20/40
Rated Bending Load(kN): 5
Rated Voltage(kV): 10
Lightning Impulse Withstand Voltage(kV): 95
Power Frequency Withstand Voltage(kV): 45
The 10kV Composite Pin Insulator (model FH5C-10X-12.7-36) integrates insulation, mechanical support, and lightning protection into a single unit—addressing a key pain point for insulated overhead distribution lines. It eliminates line breakages and insulator burning caused by direct lightning or induced surges, thanks to its built-in arc-striking device (patented needle-type structure) and outer gap arc protection principle. Key parameters include a 400mm creepage distance, 5kN rated bending load, 95KV lightning impulse withstand voltage, and 45KV power frequency withstand voltage. The insulator is compatible with 10~20KV overhead insulated lines and old line upgrades.
The clamp-on design allows installation without stripping conductor insulation, reducing labor time and avoiding conductor damage. The tooth-piercing structure (integrated with the aluminum cap) ensures reliable grounding contact without harming wire strands.
Built-in arcing horns and surge-resistant materials divert lightning strikes, preventing flashovers. This eliminates the need for separate lightning arresters, reducing system complexity and cost.
• Mechanical Strength: 5kN bending load resists wind, ice, and conductor tension—suitable for rural or mountainous lines.
• Insulation: Weather-resistant silicone rubber housing (hydrophobic, UV-resistant) maintains dielectric strength in harsh environments.
The arc-striking device can be replaced individually, avoiding full insulator replacement and reducing maintenance costs.
In areas with frequent lightning, the insulator’s built-in protection prevents line breakages and insulator burnout—critical for rural power access where downtime impacts communities.
For urban 10KV networks, the compact design fits into narrow installation spaces (e.g., between buildings). The piercing installation minimizes traffic disruptions during upgrades or repairs.
In solar/wind farm distribution lines, the insulator protects against surges from weather events while supporting conductor weight. Its compatibility with 10~20KV lines makes it versatile for renewable integration.
• Standard Compliance: Meets IEC 60383 (insulators) and IEC 60099 (surge arresters) standards. Each unit undergoes leakage current and impulse withstand testing.
• Installation Manuals: Step-by-step guides for clamp-on mounting, including torque specifications for piercing claws.
• Troubleshooting: Quick-reference charts for identifying common issues (e.g., poor contact, arc-striking device wear).
• Retrofit Support: Custom adapters for upgrading old porcelain pin insulators to this composite model.
• Warranty: 6-year warranty covering lightning protection components and insulation performance.
• Training: On-site workshops for utility teams on installation and maintenance best practices.
