HY5CX-17-42 Line Gap-Type Lightning Arrester, 10kV Zinc Oxide Lightning Arrester
The HY5CX-17-42 Line Gap-Type Lightning Arrester is a 10kV zinc oxide arrester designed to provide reliable protection for overhead power lines against lightning and switching overvoltages. Its gap-type structure helps control transient voltage and reduce surge stress on line insulation and connected equipment.
With a practical design for medium-voltage applications, the HY5CX-17-42 is suitable for 10kV transmission and distribution lines, substations, and other outdoor power networks where improved lightning protection and stable system operation are required.
Get a QuoteOverview
This gapless zinc oxide (ZnO) surge arrester uses high-performance metal oxide varistors to provide rapid response to lightning and switching overvoltages. The gapless design allows the arrester to limit transient voltage effectively and discharge surge energy to help protect electrical equipment and line insulation.
Available with a weather-resistant composite silicone rubber or porcelain housing, the arrester provides reliable insulation and mechanical protection for outdoor applications. Its robust construction offers good resistance to moisture, pollution, UV exposure, and other environmental stresses, supporting stable long-term operation in demanding power system conditions.
Technical Data
| Item | Unit | Parameter | |
| Rated Voltage | kV | 17 | |
| Maximum Continuous Operating Voltage | 13.6 | ||
| Rated Discharge Current (8/20 μs) | kA | 10 | |
| Nominal Discharge Voltage (8/20 μs) | kV | ≤ 42 | |
| Housing Material | / | Composite or Porcelain | |
| Creepage Distance | mm | ≥ 400 | |
| Standard Compliance | / | IEC 60099-4 | |
| Installation | Indoor/Outdoor | ||
Overall and mounting dimensions(mm)
Application Scenarios
This gapless zinc oxide surge arrester is suitable for a variety of medium-voltage power distribution applications. It provides reliable protection against lightning and switching overvoltages for electrical equipment and distribution networks.
- 10kV Overhead Lines and Distribution Transformers: Helps protect line insulation and transformer equipment from transient overvoltages.
- Secondary Substations and Switchgear: Suitable for medium-voltage switchgear installations requiring additional surge protection.
- Ring Main Units (RMUs) and Compact Substations: Its compact construction makes it suitable for integrated medium-voltage distribution equipment.
- Industrial and Rural Distribution Networks: Provides dependable surge protection for industrial facilities, rural electrification projects, and other outdoor or semi-outdoor power distribution systems.
