The 2AD series consists of asynchronous housing motors with short-circuit rotor and surface ventilation by permanently connected fan units. For the perfect adaptation of the motor to the machine, different sizes with practically tested options can be selected from the type code as well as external accessories. For the perfect adaptation of the motor to the machine, different sizes with practically tested options can be selected from the type code as well as external accessories. In connection with the digital controllers of the DIAX or ECODRIVE series, intelligent drive solutions with high power density and open functionality result.