Iec - 6193612021 Link
You mentioned the "link." In the context of this standard, the "link" is often interpreted as the connection between (the installation standard) and IEC 61936-2 (which covers definitions).
While IEC 61936-1:2021 is the foundational document, regional standards bodies frequently adapt it to their domestic legal frameworks: IEC 61936-1:2021
For CENELEC countries, the amendment A11:2025 adds specific obligations regarding earthing (EN 50522) and national provisions (Annexes ZA and ZB). Designers must check whether their country has listed special conditions in Annex ZA. iec 6193612021 link
Added considerations for secondary systems, digital control systems, and smart grid automation components within substation environments. Fundamental Design and Structural Requirements
You can access the standard and its variants via these official and authorized platforms: : The primary source for the official standard. You mentioned the "link
The electrical power installation, as defined by the standard, includes, but is not limited to, the following equipment [6†L6-L9, 12†L18-L27]:
: Modified fire protection clearances and updated safety criteria for earthing systems, including modified touch voltage curves. Where to Access or Buy EN IEC 61936-1:2021/A11:2025 - iTeh Standards Where to Access or Buy EN IEC 61936-1:2021/A11:2025
: When local or regional safety regulations are absent, the standard provides an informative framework in Annex F . Regional Adoptions and Harmonization
High altitudes require derating of insulation properties due to thinner air.
Re-check all physical layouts against the updated tables in Section 5.
Substations (transmission, distribution, and industrial substations).