Many assume the Part 2 PDF supersedes Part 1 – . Instead:
The standard is currently under revision. The is in development, with a forecast publication date of December 18, 2026 . The draft (prEN IEC 62477-2:2025) has already passed its voting and comment period (closed September 19, 2025). The new title will likely be: "Safety requirements for power electronic converter systems and equipment – Part 2: High voltage power electronic converters up to 36 kV a.c. or 54 kV d.c.". Once published, the new edition will supersede the 2018 version. Iec 62477-2 Pdf
Practical impact for stakeholders
Specifying clearance (distance through air) and creepage (distance over a surface) distances to prevent electrical arcing. Many assume the Part 2 PDF supersedes Part 1 –