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Standard

NEK IEC 60947-4-1:2018

Tilbaketrukket

Merknad: Denne standarden har en ny utgave: NEK IEC 60947-4-1:2023

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IEC 60947-4-1:2018 is available as IEC 60947-4-1:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60947-4-1:2018 is applicable to the following equipment:- electromechanical contactors and starters including motor protective switching device (MPSD);- actuators of contactor relays;- contacts dedicated exclusively to the coil circuit of this contactor or this contactor relay;- dedicated accessories (e.g. dedicated wiring, dedicated latch accessory);intended to be connected to distribution circuits, motors circuits and other load circuits, the rated voltage of which does not exceed 1 000 V AC or 1 500 V DC. This fourth edition cancels and replaces the third edition published in 2009 and its Amendment 1:2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:- Scope structure and exclusions- Editorial correction of notes and hanging paragraphs- Reference to IEC 62683-1- Motor protective switching device (MPSD) with its requirements- Safety aspects related to:- General aspects;- Limited energy circuits;- Electronic circuits;- Assessment procedure for electromechanical overload protection used in safety -applications (new Annex L)- Introduction of provisions covering the impact of higher locked rotor current to achieve high efficiency class- Mention of dedicated wiring accessories- Pickup power measurement- Alignment to IEC 60947-1:2007, IEC 60947-1:2007/AMD1:2010, and IEC 60947‑1:2007/AMD2:2014- Direct current requirements for covering photovoltaic application (new Annex M)- Load monitoring indicators (new Annex O)- Short-circuit breaking tests of MPSD (new Annex P)- Co-ordination under short-circuit conditions between a MPSD and another short-circuit protective device associated in the same circuit (new Annex Q).The contents of the interpretation sheet of March 2020, the corrigendum 1 of April 2020 and the corrigendum 2 of April 2021 have been included in this copy.

Dokumentinformasjon

  • Standard fra NEK
  • Publisert:
  • Tilbaketrukket:
  • Utgave: 4.0
  • Versjon: 1
  • Varetype: NAT
  • Products.Specs.pages
  • ICS 29.120.99
  • ICS 29.130.20
  • National Committee NEK/NK121

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