Siemens SENTRON - Installing and Connecting an Autotransformer (400 V; 230 V)

Connection
6.3 Connecting the control circuit
Manual, 08/2017, L1V30368969104A-02
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1. Connect the dual power supply (3KC9625-1) with the appropriate tool in accordance with
the figure.
Figure 6-59 Connecting the dual power supply (DPS)
6.3.2.2
Installing and connecting an autotransformer (400 V / 230 V)
The 3-pole transfer switching equipment requires a voltage of 230 V AC to supply the
transfer switching equipment. The autotransformer (3KC9824–1) converts the voltage of
400 V AC that is active between the phases to the required voltage of 230 V AC.
Installing an autotransformer
1. Mount the autotransformer at the desired position with 4 bolts in accordance with the
figure.
Figure 6-60 Installing an autotransformer