The 12kV porcelain arrester integrates premium zinc oxide varistors with high-strength porcelain insulation, delivering ultra-fast response (≤20ns) to transient overvoltages. Its excellent nonlinear characteristic ensures precise voltage clamping, effectively shielding medium-voltage equipment from lightning and switching surge damages.

Engineered with weather-resistant porcelain housing, this arrester withstands extreme temperatures (-40℃ to +85℃) and heavy humidity. The corrosion-proof structure and robust mechanical design guarantee reliable operation in coastal, high-altitude, and industrial harsh conditions, with a service life exceeding 15 years.

As a core lightning protection component for 12kV power systems, it minimizes outage risks by diverting surge currents efficiently. Widely used in substations and transmission lines, it optimizes grid stability, reduces maintenance costs, and ensures uninterrupted power supply for industrial and civil use.

    Technical Data Sheet

   Test Equipments