China 'GB/T 24276-2009
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 24276-2009
A method of temperature-rise assessment by extrapolation for partially type-tested assemblies (PTTA) of low-voltage switchgear and controlgear 评估部分型式试验的低压成套开关设备和控制设备(PTTA)温升的外推法
Issued Date:2009-06-19
Implemented Date:2010-02-01
Issued by:
The Standardization Administration of the People's Republic of China