IEC 61557-7:1997
Superseded
View Superseded by
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
Hardcopy , PDF
English - French, Spanish, Castilian
02-28-1997
09-12-2022
Specifies requirements for measuring equipment applied to testing the phase sequence in three-phase distribution systems. Indication ofthe phase sequence may be mechanical, visual and/or audible.
| Committee |
TC 85
|
| DocumentType |
Standard
|
| Pages |
15
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| CEI EN 61557-7:1998-09 | Identical |
| UNE-EN 61557-7:1998 | Identical |
| BS EN 61557-7:1997 | Identical |
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