1.1.29 What do the indications on the motor nameplate mean?

Please find below a description of the nameplate data of SEVA-tec electric motors:

1. Type (last digit = number of poles)
2. Serial number (1^st four digits = year of manufacture)
3. Rated power
4. Rated speed
5. Rated current
6. Rated voltage
7. Rated frequency
8. Power factor
9. Protection class
10. Insulation class
11. Operating mode
12. Efficiency