Information required for IEC60947 standard testing of switchgear. Switches are an indispensable part of all electrical equipment, but not long ago, the International Electrotechnical Commission released the standard IEC 60947-6-1:2011 "Low voltage switchgear and control equipment - Part 6-1: Multifunctional equipment - Transfer switchgear". The original IEC 60947 standard has undergone significant changes, so the main focus of this update is on what content has been updated and whether it will produce sound for relevant enterprises. Let's take a look together. Introduction to IEC 60947 Standard: This standard is applicable to transfer switching equipment (TSE): By switching loads between power sources with rated voltage AC not exceeding 1000 V or DC not exceeding 1500 V, it ensures continuous power supply to the power source and manages the electrical energy of the device. The third edition of this standard will replace the second edition and its revision 1:2013 issued in 2005. The changes to the IEC 60947 standard are as follows: 1. Clarify the scope, purpose, terms, and definitions; 2. Delete unnecessary definitions; 3. Revise relevant characteristics and category definitions; 4. Introduce new labeling requirements
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