IEC 60947-6-1:2021
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Low-voltage switchgear and controlgear - Part 6-1: Multiple function equipment - Transfer switching equipment
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English - French
16-03-2021
02-04-2026
IEC 60947-6-1:2026
IEC 60947-6-1:2026 RLV
IEC 62341-6-1:2025
IEC 60947-6-1:2021 applies to transfer switching equipment (TSE), to be used in power systems for ensuring the continuity of the supply and allowing the energy management of the installation, by transferring a load between power supply sources, the rated voltage of which does not exceed 1 000 V AC or 1 500 V DC.
This third edition cancels and replaces the second edition published in 2005, and its Amendment 1:2013. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
– clarification of scope and object;
– clarification of terms and definitions;
– removal of unnecessary definitions;
– modification of characteristics;
– modification of utilization categories definitions;
– introduction of new markings requirements;
– addition of new requirements for clearances and creepage distances;
– addition of new requirements and tests for mechanical and electrical interlocks;
– clarification of transfer sequences;
– modification of requirements for rated short-time withstand currents;
– modification of new requirements for electromagnetic compatibility;
– clarification of performance requirements for CB type TSE, in alignment with requirements stated in IEC 60947-2;
– addition of new test sequence V: Critical load current performance of equipment with DC ratings.
| Committee |
TC 121/SC 121A
|
| DocumentType |
Standard
|
| ISBN |
978-2-8322-9448-2
|
| Pages |
121
|
| ProductNote |
THIS STANDARD IS ALSO REFERES TO CSA-C22.2 No.60947-4-1-14
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| DIN EN IEC 60947-6-1:2023-12 | Identical |
| IS/IEC 60947 : Part 6 : Sec 1 : 2021 | Identical |
| UNE-EN IEC 60947-6-1:2024 | Identical |
| BS EN IEC 60947-6-1:2023 | Identical |
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