ICS 31.240 CCS K 05 GB 中华人民共和国国家标准 GB/T40815.4—2021/IEC62610-4:2013 电气和电子设备机械结构 符合英制系列和公制系列机柜的热管理 第4部分:电子机柜中供水热交换器的 冷却性能试验 Mechanical structures for electrical and electronic eguipmentThermal management for cabinets in accordance with inch and metric system-Part 4 :Cooling performance tests for water supplied heat exchangers in electronic cabinets (IEC 62610-4:2013,Mechanical structures for electronic equipment- ThermalmanagementforcabinetsinaccordancewithIEC60297and IEC60917series—Part4:Coolingperformancetestsforwater supplied heat exchangers in electronic cabinets,IDT) 2021-10-11发布 2022-05-01实施 国家市场监督管理总局 发布 国家标准化管理委员会