34 Operation principle and hardware descriptionType designation labelThe type designation label includes a rating, markings, a type designation and a serialnumber, which allow individual recognition of each drive module. The type designationlabel is located on the front cover. An example label is shown below.1 Type designation, see section Type designation key on page 35.2 Manufacturing address3 Frame size4 Cooling method5 Degree of protection6 Ratings, see section Ratings on page 119.7 Short-circuit withstand strength, see section Electrical power network specification on page 127.8 Valid markings9 Serial number. The first digit of the serial number refers to the manufacturing plant. The next fourdigits refer to the unit’s manufacturing year and week, respectively. The remaining digits complete theserial number so that there are no two units with the same number.32415 7689
