UNE EN 50021:2000被替代
Specification For Electrical Apparatus With Type Of Protection "n"
出版：Asociacion Espanola de Normalizacion
专家解读视频
Defines requirements for construction, testing and marking of Group II electrical apparatus with type of protection "n", meant to be used solely in areas where explosive atmospheres of gas, vapour and mist are not likely to occur, or if they do, only infrequently or for a short time.
NEN EN 50021:1999 - Identical
SS EN 50021 Ed. 1 (1999) - Identical
I.S. EN 50021:2001 - Identical
NF EN 50021:2000 - Identical
DIN EN 50021 (2000-02) - Identical
BS EN 50021:1999 - Identical
SN EN 50021:1999 - Identical
DIN EN 50021 : 2000 - Identical
NEN EN 50021 : 99 C1 2000 - Identical
BS EN 50021 : 1999 - Identical
I.S. EN 50021:2001 - Identical
DIN EN 50021 : 2000 - Identical
