China 'GB 19212.14-2012
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB 19212.14-2012
Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 14: Particular requirements and tests for auto transformers and power supply units incorporating auto transformers 电源电压为1 100V及以下的变压器、电抗器、电源装置和类似产品的安全 第14部分:自耦变压器和内装自耦变压器的电源装置的特殊要求和试验
Issued Date:2012-06-29
Implemented Date:2013-05-01
Issued by:
The Standardization Administration of the People's Republic of China