1.1.29. What do the markings on the engine nameplate mean?

Here is an explanation of the nameplate information for SEVA-tec electric motors:

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