Four national standards in the field of motors will be officially implemented in six months!

On May 30, 2025, the National Technical Committee for Standardization of Rotating Electrical Machines (TC26) released four national standards, namely: 
GB/T 17948.7-2025 "Rotating Electrical Machines - Functional Evaluation of Insulation Systems - General Principles" 
GB/T 14711-2025 "General Safety Requirements for Small and Medium-sized Rotating Electrical Machines" 
GB/T 25302-2025 "Technical Specifications for High-Efficiency Three-Phase Asynchronous Motors for Textile Use (Frame Sizes 90 to 225)" 
GB/T 21707-2025 "Insulation Specifications for Variable Frequency Speed Control Motors" 
It will come into effect on December 1, 2025.