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CEI EN 60947-8

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

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Organization: CEI
Publication Date: 1 December 2012
Status: active
Page Count: 24
ICS Code (Low voltage switchgear and controlgear): 29.130.20
scope:

FOREWORD

The text of document 17B/1732/FDIS, future edition 1 of IEC 60947-8:2003/A2, prepared by SC 17B, "Low-voltage switchgear and controlgear", of IEC TC 17, "Switchgear and controlgear" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60947-8:2003/A2:2012.

The following dates are fixed:

- latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2012-12-29

- latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2014-06-22

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent rights.

This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment Designed for Use within Certain Voltage Limits (LVD - 2006/95/EC)

This document has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s).

For the relationship with EU Directive(s) see informative Annex ZZ, which is an integral part of this document.

Document History

June 1, 2023
Low-voltage switchgear and controlgear Part 8: Control units for built-in thermal protection (PTC) for rotating electrical machines
This part of IEC 60947 series specifies requirements for control units, which control a switching device in response to the PTC thermistors incorporated in rotating electrical machines and the...
CEI EN 60947-8
December 1, 2012
Low-voltage switchgear and controlgear Part 8: Control units for built-in thermal protection (PTC) for rotating electrical machines
FOREWORD The text of document 17B/1732/FDIS, future edition 1 of IEC 60947-8:2003/A2, prepared by SC 17B, "Low-voltage switchgear and controlgear", of IEC TC 17, "Switchgear and controlgear" was...
April 1, 2007
Low-voltage switchgear and controlgear - Part 8: Control units for built-in thermal protection (PTC) for rotating electrical machines
La presente Variante introduce tra le caratteristiche delle unità di comando la rivelazione del cortocircuito nel circuito del sensore. Sono di conseguenza adattate in tal senso le prescrizioni...
March 1, 2007
Apparecchiature a bassa tensione - Parte 8: Unità di comando per protezione termica incorporata (CTP) in macchine elettriche rotanti
La presente Variante introduce tra le caratteristiche delle unità di comando la rivelazione del cortocircuito nel circuito del sensore. Sono di conseguenza adattate in tal senso le prescrizioni...
September 1, 2005
Low-voltage switchgear and controlgear - Part 8: Control units for built-in thermal protection (PTC) for rotating electrical machines
La presente Norma specifica le regole per le unità di comando che eseguono funzioni di commutazione in risposta al comportamento dei rivelatori termici inseriti nelle macchine elettriche rotanti e la...

References

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