No. Description
1 Serial number. The first digit of the serial number refers to the manufacturing plant. 
The next four digits refer to the unit’s manufacturing year and week, respectively. The 
remaining digits complete the serial number so that there are no two units or modules 
with the same number.
2 Type code. See section Type designation key (page 50).
3 Valid markings
4 Ratings of converter module when in inverter use
5 Ratings of converter module when in supply module use
6 Ratings of converter module when in brake use
1
2
3
5
4
6