The Expansion Electronic electrostatic filters subjected to the tests of the UL867 standard have passed the tests for:

  • safety in both low and high voltage,
  • the risk of fire,
  • overvoltages and overcurrents,
  • the electromagnetic compatibility EMC,
  • components used in production,
  • mechanical construction,
  • connection and interconnection systems.


The achievement of the UL867 certification obtained by Expansion Electronic Srl is a further confirmation of quality and standards at the highest levels to meet the needs of the global market more and more.