The 18kV porcelain arrester achieves ultra-high voltage clamping precision with an error margin of less than ±2%, thanks to its advanced zinc oxide varistor technology. It responds rapidly to transient surges caused by lightning or switching operations, ensuring pinpoint protection for 18kV power equipment and preventing damage from voltage fluctuations.

Boasting an ultra-low leakage current of ≤8μA, this arrester minimizes power consumption and energy waste during long-term operation. Its high-density porcelain housing and specialized sealing design enable stable performance in high-altitude areas up to 5000 meters, with excellent resistance to low oxygen and extreme temperature variations.

With a service life exceeding 10 years, the arrester features corrosion-resistant porcelain insulation and wear-proof internal components, reducing replacement frequency significantly. Its low maintenance requirements and durable structure lower long-term operational costs, making it a cost-effective lightning protection solution for 18kV power grids.

    Technical Data Sheet

   Test Equipments