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2.6 Type Designation Label
The type designation label includes an IEC and NEMA rating, appropriate markings, a type designation and a serial number,
which allow identification of each unit. The type designation label is located on the front cover. An example label is shown
below.
No.
Description
1
Type designation
2
Frame size
3
Ratings in the supply voltage range
4
Valid markings
Serial number. The first digit of the serial number refers to the manufacturing plant. The next four digits
5
refer to the unit's manufacturing year and week, respectively. The remaining digits complete the serial
number so that there are no two units with the same number.
3AXD50000011888
Figure 2-6
Table 2-4
Product Familiarization 2-7
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