ABB Busch-Universal 6591U-101-500 Betriebsanleitung Seite 47

Important Information
1.1.1.47
In order to ensure that the halogen lamps have the
same degree of brightness over the entire correcting
range from bright to dark, transformers with the same
secondary voltage and the same rated power should be
used.
Extension unit operation
The phase of the extension unit and the phase of the
dimmer have to be identical.
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The maximum line length of the pushbutton
extension unit is 100 m.