ISOLATING SPARK GAPS (ISGs)

ISOLATING SPARK GAPS (ISG) FOR LIGHTNING PROTECTION SYSTEMS AND LOW-VOLTAGE LIMITERS FOR USE IN RAILWAY SYSTEMS AND CATODIC PROTECTION

ISGs are in accordance with the standards EN 50164-3 / IEC 62561-3 and used for indirect bonding of a lightning protection system to nearby metal systems, where a direct bond is not permissible for functional reasons, e.g.:

  • for the protection of isolating joints in systems provided with cathodic protection or stray current systems;
  • for service entry masts for low voltage overhead lines;
  • for the protection of insulating flanges of pipelines;
  • in the vicinity of railway systems.


They provide the following features and benefits:

  • monolithic explosion proof protection;
  • high level of protection and high isolation resistance against induced voltages or voltages injected by cathodic protection systems;
  • high short circuit current withstand.

 

Isolating Spark Gaps ISGs

TABELLAPAG134

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