This standard stipulates the classification, general technical requirements, test methods, inspection rules, marking, packaging, transportation and storage requirements of small AC fans with blade diameters greater than 300mm (hereinafter referred to as fans). This standard applies to fans used as cooling devices in automatic control equipment, electronic equipment and other instruments. AC fans with fan blade diameter greater than 300mm can also refer to this standard.
GB/T 2658-1995 history
2015GB/T 2658-2015 General specification for A.C. miniature blower
1995GB/T 2658-1995 A.C. miniature blowers, general specification for