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IEC 60947-8:2021

Current

Current

The latest, up-to-date edition.

Low-voltage switchgear and controlgear - Part 8: Control units for built-in thermal protection (PTC) for rotating electrical machines

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English - French, Spanish, Castilian

Published date

28-07-2021

$527.67
Including GST where applicable

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.

Committee
TC 121/SC 121A
DocumentType
Standard
Pages
82
PublisherName
International Electrotechnical Committee
Status
Current
Supersedes

CEI EN IEC 62061:2023 Safety of machinery - Functional safety of safety-related control systems

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$527.67
Including GST where applicable