EN 61557-7:1997
(Main)Electrical safety in low voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 7: Phase sequence
Electrical safety in low voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 7: Phase sequence
Specifies requirements for measuring equipment applied to testing th e phase sequence in three-phase distribution systems. Indication of the phase sequence may be mechanical, visual and/or audible.
Elektrische Sicherheit in Niederspannungsnetzen bis AC 1 kV und DC 1,5 kV - Geräte zum Prüfen, Messen oder Überwachen von Schutzmaßnahmen - Teil 7: Drehfeld
Sécurité électrique dans les réseaux de distribution basse tension de 1 kV c.a. et 1,5 kV c.c. - Dispositifs de contrôle, de mesure ou de surveillance de mesures de protection - Partie 7: Ordre de phases
Définit les prescriptions applicables aux appareils de mesure destinés à contrôler l'ordre des phases dans des réseaux triphasés. Le dispositif d'affichage de l'ordre des phases peut être mécanique, optique et/ou acoustique.
Električna varnost v nizkonapetostnih razdelilnih sistemih za izmenične napetosti do 1 kV in enosmerne napetosti do 1,5 kV – Oprema za preskušanje, merjenje ali nadzorovanje zaščitnih ukrepov – 7. del: Fazno zaporedje (IEC 61557-7:1997)
General Information
- Status
- Withdrawn
- Publication Date
- 24-Mar-1997
- Withdrawal Date
- 30-Nov-1997
- Drafting Committee
- IEC/TC 85 - IEC_TC_85
- Parallel Committee
- IEC/TC 85 - IEC_TC_85
- Current Stage
- 9960 - Withdrawal effective - Withdrawal
- Start Date
- 01-Mar-2010
- Completion Date
- 01-Mar-2010
- Directive
- Not Harmonized2006/95/EC - 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)OJ Ref: C 71/17, C 71/17, C 71/17, C 71/17, C 71/17, C 71/ OJ Date: 19-Mar-2010
Not Harmonized73/23/EEC - Electrical equipment designed for use within certain voltage limitsOJ Ref: C 208
Relations
- Effective Date
- 28-Jan-2023
- Effective Date
- 03-Feb-2026
- Effective Date
- 03-Feb-2026
- Effective Date
- 03-Feb-2026
- Effective Date
- 03-Feb-2026
- Effective Date
- 03-Feb-2026
- Effective Date
- 03-Feb-2026
- Effective Date
- 03-Feb-2026
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Frequently Asked Questions
EN 61557-7:1997 is a standard published by CLC. Its full title is "Electrical safety in low voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 7: Phase sequence". This standard covers: Specifies requirements for measuring equipment applied to testing th e phase sequence in three-phase distribution systems. Indication of the phase sequence may be mechanical, visual and/or audible.
Specifies requirements for measuring equipment applied to testing th e phase sequence in three-phase distribution systems. Indication of the phase sequence may be mechanical, visual and/or audible.
EN 61557-7:1997 is classified under the following ICS (International Classification for Standards) categories: 19.080 - Electrical and electronic testing. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 61557-7:1997 has the following relationships with other standards: It is inter standard links to EN 61557-7:2007, HD 243 S12:1995, EN 61010-1:1993, EN 61557-1:1997, EN 61326-2-2:2013, EN 61243-3:1998, EN 62446:2009, HD 60364-6:2016. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 61557-7:1997 is associated with the following European legislation: EU Directives/Regulations: 2006/95/EC, 73/23/EEC. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
EN 61557-7:1997 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
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Electrical safety in low voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. -
Equipment for testing, measuring or monitoring of protective measures -- Part 7: Phase
sequence
Elektrische Sicherheit in Niederspannungsnetzen bis AC 1 kV und DC 1,5 kV - Geräte
zum Prüfen, Messen oder Überwachen von Schutzmaßnahmen -- Teil 7: Drehfeld
Sécurité électrique dans les réseaux de distribution basse ten
...
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