Description
Our Porcelain Surge Arrester is a reliable and durable overvoltage protection device designed for high-voltage power systems. It effectively suppresses lightning and switching overvoltages to protect transformers, circuit breakers, busbars, and other critical electrical equipment.
Key Features
- High-Strength Porcelain Housing: Sturdy ceramic insulation provides excellent mechanical strength, heat resistance, and long-term stability under high voltage.
- ZnO Varistor Element: High-quality zinc oxide varistor offers fast response, low residual voltage, and strong energy absorption capacity.
- Proven Reliability: Time-tested design ensures stable performance in harsh environmental and electrical conditions.
- Wide Voltage Compatibility: Suitable for a broad range of AC voltage systems from 10kV up to 500kV.
- Easy Installation & Maintenance: Standard flange and mounting design allow for simple installation and low maintenance costs.
Applications
| Application | Voltage Range (AC) |
|---|---|
| Power Plants | 10kV – 500kV |
| HV/MV Substations | 10kV – 500kV |
| Transmission Lines | 35kV – 500kV |
| Distribution Networks | 10kV – 35kV |
Technical Advantages
- High insulation strength and pollution performance.
- Stable operation under extreme weather conditions.
- Compliant with IEC, GB, and other international standards.
- Long service life with minimal replacement needs.
The Porcelain Surge Arrester combines robust construction, reliable protection, and cost efficiency, making it a trusted solution for high-voltage power grids worldwide.












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