Standard

NEK IEC 60947-8:2021

Jul 2021 Published

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Language English

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Abstract

IEC 60947-8:2021 specifies requirements for control units, which control a switching device in response to the PTC thermistors incorporated in rotating electrical machines and the industrial application. This second edition cancels and replaces the first edition published in 2003, Amendment 1:2006 and Amendment 2:2011. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: safety aspects related to: general aspects; limited energy circuits; electronic circuits; alignment to IEC 60947-1:2020; wire break detection function; the term detector is replaced by thermistor; reference to IEC 60738-1-4.

Document information

Standard from NEK
Published: 28 July 2021
Edition: 2.0
Version: 1
Document type: NAT
ISBN:

ICS 29.130.20
National Committee NEK/NK121

Product Relations

Replaces: NEK IEC 60947-8:2003+A1:2006+A2:2011 CSV
Replaces: NEK IEC 60947-8:2003+A1:2006 CSV
Replaces: NEK IEC 60947-8:2003
Adopted from: IEC 60947-8:2021

NEK IEC 60947-8:2021

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