
Electrical engineering; classification of environmental conditions; classification of groups of environmental parameters and their severities; stationary use at weatherprotected locations; identical with 721-3-3:1987.
NORMA vydaná dňa 1.4.1990
Designation standards: DIN IEC 60721-3-3:1990-04
Note: NEPLATNÁ
Publication date standards: 1.4.1990
The number of pages: 32
Approximate weight : 96 g (0.21 lbs)
Country: German technical standard
Kategória: Technické normy DIN
Elektrotechnik; Klassifizierung von Umweltbedingungen; Klassen von Einflußgrößen; Ortsfester Einsatz, wettergeschützt.