This standard specifies the limit value, test method and judgment principle of electric fan power consumption. This standard applies to table fans, floor fans, wall fans, table fans and ceiling fans driven by single-phase AC capacitive motors (hereinafter collectively referred to as electric fans).
GB 12021.9-1989 history
2021GB 12021.9-2021 Minimum allowable values of energy efficiency and energy efficiency grades for electric fans
2008GB 12021.9-2008 Minimum allowable values of energy efficiency and energy efficiency grades for AC electric fans
1989GB 12021.9-1989 The limited value of energy consumption of electric fans and it's measuring method