Autotransformer

With the autotransformer, the necessary rated voltage of 230 V AC can be generated in a three-phase 3-wire network without neutral conductor.

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Autotransformer

In most cases, 2 autotransformers are needed; for more information, see the section titled Network types. The use of a dual power supply is recommended in addition for 3KC3 transfer switching equipment.

Suitable for transfer switching equipment with current rating

Product number

40 A … 160 A

3KC9624-1

You can find information on installation and connection of the autotransformer in the section titled Installing and connecting an autotransformer (400 V / 230 V).

NOTE

Note restrictions with respect to rated impulse withstand voltage Uimp when the autotransformer is used. For more information, see chapter Network types.

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