This standard specifies the requirements in model, type, essential parameter, operating condition, technical requirements, test rules and marking and packaging of motors.
This standard is applicable to triphase asynchronous cage motors of air supply fan, induced draft fan, primary air fan and recirculating blower for large thermal power equipments (single-machine capacity 200 MW or higher), as well as the motors supporting other machines with same driving property.
The issued not specified in this standard shall meet the relevant regulations in GB 755.