Standard

NEK EN IEC 62271-104:2020

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Corrigendums and amendments are bought separately.

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Abstract

IEC 62271-104:2020 is applicable to three-pole alternating current switches for rated voltages higher than 52 kV, having making and breaking current ratings, for indoor and outdoor installations, and for rated frequencies up to and including 60 Hz. This third edition replaces and cancels the second edition published in 2015. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - new numbering, following IEC 62271-1:2017.

Document information

  • Standard from NEK
  • Published:
  • Edition: 2020-10
  • Version: 1
  • Document type: NAT
  • ICS 29.130.10
  • ICS 29.130.99
  • National Committee NEK/NK17

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