NEN EN IEC 60335-2-21 : 2003 C12 2010现行
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES - SAFETY - PART 2-21: PARTICULAR REQUIREMENTS FOR STORAGE WATER HEATERS
出版：Netherlands Standards
专家解读视频
Specifies the safety of electric storage water heaters for household and similar purposes and intended for heating water below boiling temperature, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances.
IEC 60335-2-21:2012+AMD1EDT 6.1:2018 CSV - Identical
IEC 60335-2-21:2012+AMD1EDT 6.1:2018 CSV - Identical
IEC 60335-2-21 : 6.0 - Identical
EN 60335-2-21 : 2003 COR 2010 - Identical
