SS EN 60519-21 Ed. 2 (2009)现行
Safety In Electroheat Installations - Part 21: Particular Requirements For Resistance Heating Equipment - Heating And Melting Glass Equipment
出版：Standardiserings-Kommissionen I Sverige
专家解读视频
Applicable to the protecting of persons from contact with current from electrically heated equipment for melting glass. Describes also the safety aspects of electrical parts where electrical heating is combined with other methods of heating, such as liquid fuel heating.
1ED 1998 is still active. (01/2010)
DIN EN 60519-21:2009 - Identical
UNE EN 60519-21:2009 - Identical
DIN EN 60519-21 (2009-09) - Identical
NF EN 60519-21:2009 - Identical
I.S. EN 60519-21:2009 - Identical
BS EN 60519-21:2009 - Identical
SN EN 60519-21:1998 - Identical
NBN EN 60519-21:2009 - Identical
