NEN EN IEC 60335-2-51 : 2003 AMD 2 2012现行
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES - SAFETY - PART 2-51: PARTICULAR REQUIREMENTS FOR STATIONARY CIRCULATION PUMPS FOR HEATING AND SERVICE WATER INSTALLATIONS
出版：Netherlands Standards
专家解读视频
Concerns with the safety of stationary electric circulation pumps intended for use in heating systems or in service water systems, having a rated power input not exceeding 300 W, their rated voltage is not more than 250 V for single-phase appliances and 480 V for other appliances.
IEC 60335-2-5 : 6.1 - Identical
IEC 60335-2-5 : 6.1 - Identical
IEC 60335-2-51 : 3.2 - Identical
EN 60335-2-51 : 2003 AMD 2 2012 - Identical
