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What is HLSA25-275/3+1 S Surge Arrester Data about?

This document provides information on a type T1+T2+T3 lightning and surge arrester. It is a 4-pole device consisting of varistors with high discharge capability. In 1+1 and 3+1 configurations it is additionally combined with a gas discharge tube to ensure zero leakage current through the protective earth conductor. It is suitable for installation at the boundaries between lightning protection zones 0-1 and higher zones, closest to where an overhead line enters a building.

Author

Duong Phan

Language

EN