NF EN 61557-7 : 2007
Superseded
View Superseded by
ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 7: PHASE SEQUENCE
01-12-2013
01-14-2023
AVANT-PROPOS
1 Domaine d'application
2 Références normatives
3 Termes et définitions
4 Exigences
5 Marquages et instructions de fonctionnement
5.1 Marquage
5.2 Instructions de fonctionnement
6 Essais
Annexe A (normative) Illustrations des essais mécaniques
Annexe ZA (normative) Références normatives à d'autres
publications internationales avec les publications
européennes correspondantes
Defines the requirements for measurement of equipment applied to testing the phase sequence in three-phase distribution systems. The phase sequence may be indicated by mechanical, visual and/or audible means. Not applicable to ancillary measuring equipment for other quantities, such as voltage testers consisting of an additional phase sequence indicator. Not applicable to monitoring relays.
| DevelopmentNote |
Indice de classement: C42-198-7. PR NF EN 61557-7 November 2005. (11/2005)
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| DocumentType |
Standard
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| PublisherName |
Association Francaise de Normalisation
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| Status |
Superseded
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| SupersededBy |
| Standards | Relationship |
| DIN EN 61557-7 : 2008 | Identical |
| NBN EN 61557-7 : 2007 | Identical |
| IEC 61557-7:2007 | Identical |
| I.S. EN 61557-7:2007 | Identical |
| EN 61557-7:2007 | Identical |
| BS EN 61557-7:2007 | Identical |
| UNE-EN 61557-7:2007 | Identical |