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IEC 60947-4-3:2020 ED3

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IEC 60947-4-3:2020 applies to semiconductor controllers and semiconductor contactors for non-motor load intended to be connected to circuits, the rated voltage of which does not exceed 1 000 V AC. It covers their use: – for operations of changing the state of AC electric circuits between the ON-state and the OFF-state; – with or without bypass switching devices; – as controller, for reducing the amplitude of the RMS AC voltage. This third edition cancels and replaces the second edition published in 2014. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) scope exclusions; b) editorial correction of notes and hanging paragraphs; c) safety aspects related to: - general aspects; - limited energy circuits; - electronic circuits; d) mention of dedicated wiring accessories; e) power consumption measurement; f) alignment to IEC 60947-1:2020; g) alignment with IEC 60947-4-2 when appropriate.

Dokumentinformasjon

  • Standard fra IEC
  • Publisert:
  • Utgave: 3
  • Versjon: 1
  • Varetype: IS
  • Products.Specs.pages
  • ICS 29.130.20
  • ICS 31.180
  • ISO TC TC 121/SC 121A

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