IEC 61558-2-7-2007 电力变压器、电源、电抗器和类似产品的安全.第2-7部分:玩具用变压器和电源的特殊要求和试验

标准号：IEC 61558-2-7-2007
中文标准名称：电力变压器、电源、电抗器和类似产品的安全.第2-7部分:玩具用变压器和电源的特殊要求和试验
英文标准名称：Safety of power transformers, power supplies, reactors and similar products - Part 2-7: Particular requirements and tests for transformers and power supplies for toys
标准类型：K41;K80
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：K41;K80
国际标准分类号：29.180
引用标准：IEC 60227-1;IEC 60245-1
适用范围：Replacement:This part of IEC61558 deals with safety aspects of transformers for toys and pow supplies incorporating transformers for toys such as electrical, thermal and mechanical safety.This Part 2-7 is applicable to transformers for toys and pow supplies incorporating both transformers for toys and electronic circuits. This Part 2-7 is not applicable to external circuits and their components intended to be connected to the input terminals, output terminals or socket-outlets of the transformers and pow supplies.This Part 2-7 applies to stationary and portable, single-phase, air-cooled (natural or forced), transformers for toys and pow supplies incorporating transformers for toys, having a rated supply voltage not exceeding 250 V a.c., a rated supply and internal operating frequency not exceeding 500 Hz, a rated output not exceeding 200 VA and a rated output current not exceeding 10 A.This Part 2-7 is applicable to independent transformers and transformers for specific use.This Part 2-7 is applicable to dry-type transformers for toys. The windings may be encapsulated or non-encapsulated.The no-load output voltage does not exceed 33 V a.c. for transformers for toys and pow supplies incorporating transformers for toys, or 46 V ripple-free d.c. for pow supplies incorporating transformers for toys, and the rated output voltage does not exceed 24 V a.c. for transformers and pow supplies , or 33 V ripple-free d.c. for pow supplies .In general, this Part 2-7 does not take into consideration children playing with the transformers for toys and pow supplies incorporating transformers for toys.