CEI EN IEC 61557-3:2023
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 3: Loop impedance
Hardcopy , PDF
Italian
01-04-2023
This standard specifies the requirements applicable to equipment for measuring the ring impedance between a phase conductor and the protective conductor, or between a phase conductor and the neutral conductor or between two phase conductors, using the voltage drop that occurs when the circuit under test is connected to a load.
| Committee |
CT 85/66
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN IEC 61557-3:2022 | Identical |
| IEC 61557-3:2019 | Identical |
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