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MEDIUM-OR HIGH-VOLTAGE ELECTRICAL APPLIANCE HAVING A LOW ENVIRONMENTAL IMPACT AND HYBRID INSULATION

  • US 20150228375A1
  • Filed: 09/09/2013
  • Published: 08/13/2015
  • Est. Priority Date: 09/10/2012
  • Status: Active Grant
First Claim
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1. Medium- or high-voltage equipment including a leak tight enclosure in which there are located electrical components covered with a solid dielectric layer of varying thickness and a gaseous medium for providing electrical insulation and/or for extinguishing electric arcs that are likely to occur in said enclosure, the equipment being characterized in that the gaseous medium comprises heptafluoroisobutyronitrile in a mixture with a dilution gas.

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