Product Overview
The HY5WS-17/50DL Dropout Surge Arrester is engineered to protect medium to high-voltage power lines from lightning-induced overvoltages. With a rated voltage of 17kV and continuous operating voltage of 13.6kV, it delivers reliable performance under normal and transient conditions. Its DC reference voltage (U1mA) of at least 25kV ensures strong insulation coordination, making it an essential device for maintaining system stability and preventing equipment damage in demanding electrical environments.
Product Features
◆High Voltage Ratings: Rated voltage 17kV; continuous operating voltage 13.6kV; DC reference voltage ≥25kV.
◆Effective Surge Suppression: Limits lightning impulse residual voltage to ≤50kV and operating impulse residual voltage to ≤42.5kV.
◆Strong Current Withstand Capacity: Endures square wave current ≥150A for 2ms and high current shock resistance ≥40kA.
◆Compact & Durable Design: Manufactured with advanced materials for long-term reliability in harsh conditions.
◆Easy Installation: Lightweight and compact structure simplifies mounting and integration into existing systems.
Product Advantages
◆Enhanced Equipment Protection: Effectively shields sensitive electrical components from lightning and switching overvoltages.
◆Improved System Reliability: Reduces downtime and maintenance costs by preventing surge-related failures.
◆Long Service Life: Robust construction ensures consistent performance over extended periods with minimal degradation.
◆Cost-Effective Solution: Provides comprehensive protection at a competitive lifecycle cost.
◆Wide Applicability: Suitable for various medium to high-voltage applications across different environments.
Usage Scenarios
◇Medium Voltage Power Lines: Protection for 10kV overhead and underground distribution networks.
◇Substation Equipment: Safeguarding transformers, circuit breakers, and busbars in electrical substations.
◇Renewable Energy Systems: Lightning protection for solar farms, wind turbines, and inverter stations.
◇Industrial Power Networks: Ensuring surge protection for motors, drives, and control systems in factories.
◇Rural & Remote Grids: Reliable overvoltage protection for power lines in areas with frequent lightning activity.
Technical parameters
| Arrester model | HY5WS-17/50DL | |
| System rated voltage | kV | 10 |
| Rated voltage of arrester | (r.m.s) | 17 |
| Continuous operating voltage | 13.6 | |
| Dc reference voltage (U 1mA) | ≮kV | 25 |
| 0.75U 1mA Leakage current | ≯μA | 30 |
| Residual voltage under lightning impulse current | ≯kV | 50 |
| Residual current under operation shock current | ≯kV | 42.5 |
| Square wave flow capacity (2ms) | ≮A | 150 |
| High current shock resistance | ≮kA | 40 |
| Place of use | Distribution | |
