The 6430 input voltage in the US
requires a voltage between 190 to 250Vac.

The AC Input to the 6430 AC
Source Goes directly to a Bridge Rectifier and creates a DC Bus. Since the Input is Isolated from
Ground it can be connected as Line /Phase to Neutral or Line/Phase to Line/Phase.

In the US there are 4 common
voltages in this range. They are:

Any of these will work to
operate the Chroma 6430 AC Source.

The Inputs of the 6430 are
isolated from Ground so it is OK to connect a Neutral or a Phase to the Input terminal
labeled N.

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