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Help CenterPolymer-Housed 11KV Lightning Arresters for Overhead Power Lines
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Jinhua Dika Electrical Equipment Co., Ltd., an ISO9001-certified manufacturer based in Zhejiang, China, specializes in high-reliability electrical protection solutions. Our Polymer-Housed 11KV Lightning Arresters are engineered to safeguard overhead power distribution networks against lightning strikes and switching surges. With over $1 million in annual exports and a presence across 5 continents, we deliver proven protection technology trusted by utilities worldwide.
Core Advantages:
- Superior Weather Resistance: Polymer housing withstands UV radiation, salt fog, and extreme temperatures (-40°C to +70°C).
- Critical Failure Prevention: Diverts high-voltage surges up to 40kA away from sensitive equipment.
- Zero-Maintenance Design: Hermetically sealed construction eliminates leakage current risks.
- Lightweight & Vandal-Proof: 30% lighter than porcelain equivalents with impact-resistant casing.
Technical Specifications:
| Parameter | Value |
|---|---|
| Rated System Voltage | 11kV |
| MCOV (Max Continuous Operating Voltage) | 9kV |
| Nominal Discharge Current (8/20μs) | 5kA, 10kA, 20kA options |
| Pressure Relief Class | Class 2 (High) |
| Creepage Distance | ≥ 310mm |
| Height | Approx. 380mm ± 10mm |
Operational Benefits: These arresters minimize downtime by preventing insulator flashovers during storms. The hydrophobic polymer surface prevents moisture tracking, maintaining performance in humid climates like Southeast Asia and coastal regions. Installation is simplified through standardized line clamp compatibility.
Global Performance Validation: Engineered for diverse environments – from the freezing temperatures of Northern Europe to the tropical heat of Africa and Oceania. Our products are shipped globally via major Chinese ports (Shanghai, Tianjin, Guangzhou, Ningbo), supporting rapid delivery to North America, South America, Eastern Europe, and beyond.
Why Choose Dika: With ISO9001 quality systems governing production, we ensure batch-to-batch consistency for critical infrastructure. Serving 15+ global markets including Western Europe and Eastern Asia, our 50-person engineering team delivers field-proven reliability. Contact us today for surge protection that reduces maintenance costs by up to 60% compared to conventional units.
FAQ:
-
Q: Can these withstand coastal salt exposure?
A: Yes, the housing material includes anti-tracking additives specifically for salt-laden environments. -
Q: Is remote monitoring possible?
A: Optional leakage current counters can be integrated upon request. -
Q: What's the typical lifespan?
A: Designed for 25+ years service with periodic visual inspections recommended. -
Q: Do you provide installation accessories?
A: Line clamps and grounding kits are available as part of complete solutions. -
Q: How do you ensure quality control?
A: 100% routine tests include sparkover voltage and leakage current measurements. -
Q: Can I get customized voltage ratings?
A: Yes, we offer arresters from 6kV to 36kV systems – contact for specifications. -
Q: What's your production lead time?
A: Standard orders ship within 15 days from Shanghai/Ningbo ports.
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