60335-2-73 AMD 2-2009 AMENDEMENT 2 Appareils électrodomestiques et analogues – Sécurité – Partie 2-73: Règles particulières pour les thermoplongeurs installés à poste fixe (Edition 2.0)
AMENDMENT 2 Household and similar electrical appliances – Safety – Part 2-73: Particular requirements for fixed immersion heaters (Edition 2.0)
AMENDEMENT 2 Appareils électrodomestiques et analogues – Sécurité – Partie 2-73: Règles particulières pour les thermoplongeurs installés à poste fixe (Edition 2.0) 是非强制性国家标准，您可以免费下载前三页
This clause of Part 1 is replaced by the following. This International Standard deals with the safety of fixed electric immersion heaters for household and similar purposes that are intended for installation in a water tank open to the atmosphere for heating water to a temperature below its boiling point. The rated voltage is not more than 250 V for single-phase appliances and 480 V for other appliances. NOTE 101 The water tank may have alternative means for heating water@ such as the circulation of hot water supplied from a separate boiler. NOTE 102 Immersion heaters having a rated power input up to 25 kW for incorporation as an alternative heating source in central heating boilers are also within the scope of this standard. Appliances not intended for normal household use but which nevertheless may be a source of danger to the public@ such as appliances intended to be used by laymen in shops@ in light industry and on farms@ are within the scope of this standard. As far as is practicable@ this standard deals with the common hazards presented by appliances that are encountered by all persons in and around the home. However@ in general@ it does not take into account ?C the use of appliances by young children or infirm persons without supervision; ?C playing with the appliance by young children.