This standard specifies the classification, technical requirements, test methods, inspection rules, delivery preparation and user service requirements of small AC fans. This standard applies to small AC fans (hereinafter referred to as fans) used as cooling devices in automatic control equipment, electronic equipment and other instruments, with blade diameters not greater than 500 mm. Other AC fans whose fan blade diameter is greater than 500 mm can also refer to this standard.
GB/T 2658-2015 Referenced Document
GB 18211 General requirements for safety of electrical micro-machines