| 310 / | HD | ELECTRICAL GENERATOR OR MOTOR STRUCTURE |
| 10 | DF | DYNAMOELECTRIC {5} |
| 40 R | DF | .~ Rotary {28} |
| 92 | DF | .~.~ Torque-transmitting clutches or brakes {6} |
| 103 | ![]() | .~.~.~ Magnetic field type {2} |
| 104 | DF | .~.~.~.~> With air-gap shield |
| 105 | DF | .~.~.~.~> Induced or eddy current type {2} |