Product Overview
The (HY)YH5W-11 anti-pollution surge arrester is engineered for 11kV medium-voltage systems, offering exceptional protection in polluted and high-humidity environments. Featuring advanced ZnO varistor technology and a corrosion-resistant design, it effectively suppresses lightning and switching surges while maintaining long-term operational stability. Manufactured in compliance with IEC and IEEE standards, this arrester delivers reliable overvoltage protection with minimal maintenance requirements.
Product Features
◆Advanced ZnO Varistor Core: High nonlinearity coefficient (α>35) ensures precise voltage clamping and rapid surge response.
◆High Energy Absorption Capacity: Specific energy rating of 6.5 kJ/kV withstands sequential lightning strikes without thermal runaway.
◆Robust Environmental Resistance: Polymer housing with anti-tracking properties operates reliably in environments up to 98% relative humidity.
◆Validated Longevity: Accelerated aging tests confirm service life exceeding 30 years with minimal degradation (<0.5% per 1,000 surge cycles).
◆Compact & Lightweight Design: Weighing only 4.2kg with 372mm creepage distance for easy installation in space-constrained applications.
Product Advantages
◆Enhanced System Protection: Reduces surge-induced equipment failures by ≥90%, significantly lowering maintenance costs.
◆Cost Efficiency: Achieves up to 40% lifecycle cost reduction compared to conventional surge arresters.
◆Smart Grid Compatibility: Optional IoT sensors enable real-time monitoring via ◆RS485/MODBUS protocols for predictive maintenance.
◆Easy Installation & Maintenance: Modular hot-swap design allows live replacement with minimal system downtime.
◆Global Compliance: Manufactured in ISO 9001-certified facilities with 100% factory testing for consistent quality assurance.
Usage Scenarios
◇Polluted Industrial Areas: Protection for distribution lines and equipment in chemical plants, mining operations, and coastal regions.
◇High-Altitude & Humid Environments: Suitable for mountainous regions and tropical climates with frequent lightning activity.
◇Renewable Energy Infrastructure: Safeguards solar farms, wind power collectors, and inverter stations.
◇Urban Distribution Networks: Protection for substation equipment and critical loads in metropolitan power systems.




