Siemens SIMOTICCS A 1FU9, Operating Instructions Manual

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6.4.1.1 Terminal designations
With the terminal designations according to DIN VDE 0530 Part 8 or EN / IEC 60034-8 for three-
phase machines, the following principle definitions apply:
Table 6-1 Terminal designations (with the U1-1 as an example)
U 1 - 1 Designation
x Phase designation (U, V, W)
x Index for winding start (1) / winding end (2) or if there is more than one connection
per winding
x Additional indices for cases in which it is obligatory to connect parallel connecting
cables to several terminals with otherwise identical markings
6.4.1.2 Circuit diagram inside the terminal box cover
Data on the connection and connecting the machine winding can be found in the circuit
diagram in the cover of the terminal box.
6.4.1.3 Cable entry
Assembly and laying of cables
Screw the screw-type connection into the housing or fasten with a nut.
Note
The screw-type connections must have been matched to the connecting cables used (diameter
armoring, braid, shield).
For the screw-type connections, comply or exceed the requirements relating to IP degree of
protection (water and dust) - as well as the temperature range in operation stamped on the
rating plate.
6.4.1.4 Versions
It is possible to turn the top side of a machine terminal box 4 x 90 degrees (if screwed on).
Electrical connection
6.4 Connecting the machine
1FU9
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Operating Instructions, 07/2020, A5E46712792A