Cover IEC 60947-6-1:2021
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IEC 60947-6-1:2021

Low-voltage switchgear and controlgear - Part 6-1: Multiple function equipment - Transfer switching equipment

Ausgabedatum: 2021-03
Edition: 3.0
Sprache: EN-FR - zweisprachig englisch/französisch
Seitenzahl: 121 VDE-Artnr.: 249761

Inhaltsverzeichnis

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:
Í clarification of scope and object;
Í clarification of terms and definitions;
Í removal of unnecessary definitions;
Í modification of characteristics;
Í modification of utilization categories definitions;
Í introduction of new markings requirements;
Í addition of new requirements for clearances and creepage distances;
Í addition of new requirements and tests for mechanical and electrical interlocks;
Í clarification of transfer sequences;
Í modification of requirements for rated short-time withstand currents;
Í modification of new requirements for electromagnetic compatibility;
Í clarification of performance requirements for CB type TSE, in alignment with requirements stated in IEC 60947-2;
Í addition of new test sequence V: Critical load current performance of equipment with DC ratings.