
Insulation coordination for equipment within low-voltage supply systems. Part 1: Principles, requirements and tests
STANDARD published on 1.11.2025
Designation standards: STN EN IEC 60664-1:2022/A1
Classification mark: 330420
Catalog number: 141275
Note: Change
Publication date standards: 1.11.2025
Approximate weight : 30 g (0.07 lbs)
Country: Slovak technical standard
Category: Technical standards STN