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60.60 Standard published Dec 10, 2021
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
Published
<!-- NEW! -->IEC 61557-4:2019 is available as <a href="https://webstore.iec.ch/publication/65553">IEC 61557-4:2019 RLV</a> which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.</br></br>IEC 61557-4:2019 specifies the requirements applicable to equipment for measuring the resistance of earth conductors, protective earth conductors and conductors for equipotential bonding, including their connections and terminals, with an indication of the measured value or an indication of the limits. IEC 61557-4:2019 cancels and replaces the second edition published in 2007. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) complement to the measurement category in Clause 4;
b) correction of the equation for operating uncertainty;
c) complement to the requirements for measuring with DC;
d) alignment of the structure with that of the whole IEC 61557 series.
Legislation related to this standard
Directive 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
Directive 2014/30/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 electromagnetic compatibility (recast)
PUBLISHED
EN 61557-4:2007
PUBLISHED
EN IEC 61557-4:2021
60.60
Standard published
Dec 10, 2021