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What are the main technical characteristics for medium voltage earthing switches according to IEC 62271-1 & IEC 62271-102?

Earthing switch characteristics in common with IEC 62271-1:
  • rated voltage;
  • rated insulation level;
  • rated frequency;
  • rated normal current;
  • rated short-time withstand current;
  • rated peak withstand current;
  • rated duration of short-circuit;
  • rated supply voltage of closing and opening devices and of auxiliary circuits;
  • rated supply frequency of closing and opening devices and of auxiliary circuits;
  • rated pressures of compressed gas for controlled pressure systems;
Earthing switch specific characteristics:
  • rated rated short-circuit making current
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