Description
Our Polymer-Housed Surge Arrester is a high-performance overvoltage protection device designed to safeguard electrical systems against transient overvoltages caused by lightning and switching operations.
Key Features
- Polymer Insulation Housing: Molded silicone rubber housing offers excellent hydrophobicity, pollution resistance, and long-term aging resistance, suitable for harsh environments.
- ZnO Varistor: High-grade zinc oxide varistor with fast response, high energy absorption, and strong current-carrying capacity.
- Lightweight Design: Significantly lighter than traditional porcelain arresters, reducing transportation and installation costs while maintaining high mechanical strength.
- Superior Sealing: Advanced sealing technology ensures excellent moisture resistance and stable long-term operation.
- Easy Installation: Standardized structure and interface for quick and simple mounting.
Applications
| Application | Voltage Range (AC) |
|---|---|
| Power Plants | 35kV – 220kV |
| Substations | 35kV – 220kV |
| Overhead Transmission Lines | 35kV – 220kV |
| Distribution Networks | 35kV – 110kV |
Technical Advantages
- Low residual voltage for effective protection.
- High energy absorption capability.
- Long service life with low maintenance.
- Compliant with IEC, GB, and other international standards.
The polymer-housed surge arrester combines excellent electrical performance, mechanical reliability, and environmental adaptability, making it an essential component for modern power systems.











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