Fuse Switch Disconnector (-Q1); Transformer (-T2) For Generating The Auxiliary Voltage 230 V Ac - Siemens SINAMICS S120 Manual

6.5.2

Fuse switch disconnector (-Q1)

The infeed of the Auxiliary Power Supply Module occurs for the customer at the fuse switch
disconnector (-Q1). The plant-side current required is listed in the "Technical data" table.
6.5.3

Transformer (-T2) for generating the auxiliary voltage 230 V AC

A transformer is incorporated to generate the 230 VAC, 2-phase voltage. This voltage is
made available in order to supply the auxiliary power system and the SITOP power supply.
When delivered, the taps are always set to the highest level. The line-side terminals of the
transformer may need to be reconnected according to the existing line voltage.
The line voltage assignments for making the appropriate setting on the transformer for the
internal power supply are indicated in the following table.
Note
Reconnecting the terminals according to the actual line voltage
The terminals must be reconnected to the actual line voltage so that the 230 VAC, 2-phase
voltage required in the system is provided correctly.
Table 6- 39
Cabinet Modules liquid cooled
Equipment Manual, 04/2020, A5E37067587A
Assignment of the available line voltage for generating the 230 VAC, 2-phase voltage
Tap
380 V
400 V
415 V
440 V
460 V
480 V
500 V
525 V
550 V
575 V
600 V
660 V
690 V
6.5 Auxiliary Power Supply Modules
Taps of voltage adaptation transformer (T2) L
3 – 4
2 – 4
1 – 4
3 – 5
2 – 5
1 – 5
3 – 6
2 – 6
1 – 6
3 – 7
2 – 7
3 – 8
1 – 8
Cabinet Modules
– L
A B
229