Variable frequency motors can be used in metallurgy, chemical industry, and other high-temperature, high-humidity, and corrosion-resistant environments, as well as on various mechanical equipment requiring continuous speed regulation and frequent forward-reverse operations. This dataset includes major raw materials, auxiliary materials, energy, and waste from the production process; infrastructure such as manufacturing of production equipment and construction of facilities are not included within the system boundary of this dataset. The life cycle inventory is compiled from data sourced from multiple references. The manufacturing process of variable frequency motors includes raw material preparation, component fabrication, product assembly, painting, and inspection procedures.