标准摘要
[中文适用范围]: 本标准涉及家用和类似用途的储水式电热水器的安全性,该电热水器用于将水加热到沸点以下,单相器具的额定电压不超过250V,其他器具的额定电压不超过480V。 2007 年 3 月更正的内容已包含在本副本中。该合并版本由第五版(2002 年)及其修正案 1(2004 年)组成。因此,无需对本出版物进行修订。 [外文原描述]: Deals with 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. The contents of the corrigendum of March 2007 have been included in this copy. This consolidated version consists of the fifth edition (2002) and its amendment 1 (2004). Therefore, no need to order amendment in addition to this publication.
英文名称Household and similar electrical appliances - Safety - Part 2-21: Particular requirements for storage water heaters