DIN EN 50021 (2000-02)被替代
Electrical Apparatus For Potentially Explosive Atmospheres - Type Of Protection "n"
出版：German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻
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.
Applies in conjunction with DIN EN 50014. (03/2000)
NEN EN 50021:1999 - Identical
BS EN 50021:1999 - Identical
SN EN 50021:1999 - Identical
NF EN 50021:2000 - Identical
I.S. EN 50021:2001 - Identical
UNE EN 50021:2000 - Identical
SS EN 50021 Ed. 1 (1999) - Identical
