IEC 61557-5:2019
Current
The latest, up-to-date edition.
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 5: Resistance to earth
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French
26-07-2019
IEC 61557-5:2019 specifies the requirements applicable to measuring equipment for measuring the resistance to earth using an AC voltage. IEC 61557-5:2019 cancels and replaces the second edition published in 2007. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) definitions and symbols in Clause 3 modified;
b) subclauses in Clause 4 restructured and aligned with other parts of the series;
c) limits for reduced voltages 25 V RMS or 35 V peak removed from 4.5;
d) requirements for clamps added;
e) marking for rated voltages to earth and measurement category added to Clause 5;
f) warning about absence of hazardous voltage added in Clause 5;
g) the term "percentage operating uncertainty" replaced by "operating uncertainty" in Clause 6;
h) equation for uncertainty corrected in Table 1;
i) new Annex A on test measurements with loop clamps added.
| Committee |
TC 85
|
| DocumentType |
Standard
|
| ISBN |
978-2-8322-7159-9
|
| Pages |
0
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN IEC 61557-5:2021 | Identical |
| SS-EN IEC 61557-5, UTG 3:2022 | Identical |
| UNE-EN IEC 61557-5:2021 | Identical |
| VDE 0413-5:2022-12 | Identical |
| BS EN IEC 61557-5:2021 | Identical |
| DIN EN IEC 61557-5:2022-12 | Identical |
| I.S. EN IEC 61557-5:2021 | Identical |
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