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EVS-EN 61557-7:2007

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 (IEC 61557-7:2007)

General information

Withdrawn from 15.06.2022
Base Documents
IEC 61557-7:2007; EN 61557-7:2007
ICS Groups
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
Directives or regulations
2014/35/EU Low voltage (LVD)

Although the standard’s status is withdrawn, it still has the presumption of conformity in the meaning of regulation 2014/35/EU and conformance with the regulation ’s requirements can be guaranteed by using the withdrawn version of the standard. The presumption of conformity is valid until a corresponding amendment is published in the Official Journal of the European Union.
 
To view the latest lists of harmonised standards published in the Official Journal of the European Union, visit: http://ec.europa.eu/growth/single-market/european-standards/harmonised-standards/

Standard history

Status
Date
Type
Name
15.06.2022
Main
EVS-EN IEC 61557-7:2022
04.05.2007
Main
EVS-EN 61557-7:2007
Main
EVS-EN 61557-7:2001
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.

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Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English