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)
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Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 61557-7:2000
01-september-2000
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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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NEXT ACTION: TB ACTION BY 2021-09-14: common mods, currently at ENQ
2019-10-03 JF: NWI for A11 (PR=70187) was approved by the BTthrough decision D163/098. The work on the amendment is under way
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