IEC 61557-11:2020
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 11: Effectiveness of residual current monitors (RCM) in TT, TN and IT systems
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23-06-2020
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IEC 61557-11:2020 specifies the requirements for test equipment applied to the testing of the effectiveness of residual current monitors (RCM) that are already installed in distribution systems. This test equipment can be used in any kind of network, such as a TN, TT or IT system. The test equipment can also be used for testing directionally discriminating residual current monitors (RCM) in IT systems. It is not the purpose of this document to verify the residual current monitors (RCM) according to their product standards. IEC 61557-11:2020 cancels and replaces the first edition published in 2009. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) document title modified to include all types of RCM;
b) terms aligned with IEC 60050;
c) addition of requirements for testing new types of RCM;
d) moving of requirements for RCM Type B from former Annex A to main body text;
e) alignment of the structure with that of the whole IEC 61557 series.
| Committee |
TC 85
|
| DocumentType |
Standard
|
| ISBN |
978-2-8322-8496-4
|
| Pages |
29
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| OVE EN IEC 61557-11:2023 01 01 | Identical |
| CEI EN IEC 61557-11:2023 | Identical |
| PN-EN IEC 61557-11:2022-11 | Identical |
| DIN EN IEC 61557-11:2022-12 | Identical |
| VDE 0413-11:2022-12 | Identical |
| CEI EN IEC 61557-11:2022 | Identical |
| I.S. EN IEC 61557-11:2022 | Identical |
| IS/IEC 61557 : Part 11 : 2020 | Identical |
| UNE-EN IEC 61557-11:2023 | Identical |
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