
Insulation coordination for equipment within low-voltage systems -- Part 4: Consideration of high-frequency voltage stress (IEC 60664-4:2005)
NORMA vydaná dňa 29.11.2006
Designation standards: UNE-EN 60664-4:2006
Publication date standards: 29.11.2006
The number of pages: 144
Approximate weight : 463 g (1.02 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE