Home / Standards / GB/T 24276-2009 GB/T 24276-2009 Abolished 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 Standard Type GBT ICS N/A CCS K31 Status 废止 Issue Date 2009-06-19 Implementation 2010-02-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A