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Help CenterOutdoor 11KV Lightning Arresters With Silicone Rubber Housing and 20kA Rating
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Jinhua Dika Electrical Equipment Co., Ltd., an ISO9001-certified manufacturer with over 20 years of industry expertise, proudly presents our premium Outdoor 11kV Lightning Arresters. Engineered with silicone rubber housing and 20kA discharge capacity, these arresters deliver unmatched protection for high-voltage distribution networks across global markets including North America, Southeast Asia, and Europe. With an annual export value exceeding US$1 million and comprehensive logistics through Shanghai, Tianjin, Guangzhou, and Ningbo ports, we ensure reliable surge protection solutions tailored for harsh outdoor environments.
Our lightning arresters incorporate cutting-edge features:
- Superior Weather Resistance: Silicone rubber housing provides exceptional UV stability and maintains flexibility from -40°C to +85°C
- High Discharge Capacity: 20kA rating ensures effective diversion of lightning surges away from critical equipment
- Corrosion Protection: Hydrophobic properties prevent moisture ingress and salt deposit accumulation
- Low Maintenance Design: Sealed construction eliminates need for periodic checks in remote installations
Technical specifications include:
| Parameter | Value |
|---|---|
| Rated System Voltage | 11kV |
| Nominal Discharge Current | 20kA |
| Creepage Distance | ≥ 350mm |
| Impulse Withstand | 75kV |
| Pressure Relief Class | Class 2 |
Key operational benefits:
- Reduces equipment failure rates by up to 98% during thunderstorms
- Extends transformer lifespan through effective overvoltage suppression
- Simplifies installation with universal clamp fittings for poles or towers
- Minimizes system downtime with fail-safe pressure relief mechanism
With a dedicated workforce of 11-50 professionals and exports reaching 6 continents, Jinhua Dika has established trust across 15+ global markets including Oceania, Africa, and Western Europe. Our lightning arresters undergo rigorous quality control at every production stage, ensuring compliance with international protection standards. Leverage our manufacturing expertise and port logistics network to secure your power infrastructure – request technical documentation or volume pricing today.
Frequently Asked Questions:
-
Q: What maintenance do these arresters require?
A: The silicone rubber housing is maintenance-free with self-cleaning properties, requiring only visual inspection after severe weather events. -
Q: Are these suitable for coastal installations?
A: Yes, the housing material offers excellent salt fog resistance (up to 1000 hours per ASTM B117). -
Q: What is the typical lifespan?
A: Designed for 20+ years service life under standard atmospheric conditions. -
Q: Can I get customized voltage ratings?
A: Custom configurations from 9kV to 15kV are available upon request. -
Q: Do you provide installation guides?
A: Comprehensive installation manuals with torque specifications are included with each shipment. -
Q: What's the lead time for 500+ units?
A: Standard production lead time is 3-4 weeks, with expedited options available. -
Q: Are these compatible with existing transmission lines?
A: Yes, designed with universal clamp systems for seamless integration.
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