99.60 Withdrawal effective Apr 6, 2025
CENELEC
CLC/TC 85X Measuring equipment for electrical and electromagnetic quantities
European Norm
17.220.20 Measurement of electrical and magnetic quantities | 29.080.01 Electrical insulation in general | 29.240.01 Power transmission and distribution networks in general
Withdrawn
This part of IEC 61557 specifies the requirements for measuring equipment applied to testing the phase sequence in three-phase distribution systems. Indication of the phase sequence may be mechanical, visual and/or audible. This part of IEC 61557 does not apply to ancillary measuring equipment for other quantities, for example voltage testers comprising an additional phase sequence indicator. It does not apply to monitoring relays. This second edition cancels and replaces the first edition published in 1997. This edition constitutes a minor revision.
Legislation related to this standard
Directive 2006/95/EC of the European Parliament and of the Council of 12 December 2006 on the harmonisation of the laws of Member States relating to electrical equipment designed for use within certain voltage limits (codified version)
Harmonised Standard / Cited in the Official JournalDirective 2014/35/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of electrical equipment designed for use within certain voltage limits
Harmonised Standard / Cited in the Official Journal
WITHDRAWN
EN 61557-7:1997
WITHDRAWN
EN 61557-7:2007
99.60
Withdrawal effective
Apr 6, 2025
PUBLISHED
EN IEC 61557-7:2022
