NF EN IEC 61557-7:2022
Current
Current
The latest, up-to-date edition.
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 7: Phase sequence
Published date
01-05-2022
Publisher
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This part ofIEC 61557specifies the requirements applicable to measuringequipmentfortestingthe phase sequence in three-phase distribution systems.
| DocumentType |
Standard
|
| PublisherName |
Association Francaise de Normalisation
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN IEC 61557-7:2022 | Identical |
| IEC 61557-7:2019 | Identical |
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