12.07.2015 Views

Busch,Universalë , Zentraldimmer 6593U,500 , Leistungsbaustein ...

Busch,Universalë , Zentraldimmer 6593U,500 , Leistungsbaustein ...

Busch,Universalë , Zentraldimmer 6593U,500 , Leistungsbaustein ...

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Important Information1.1.1.47Conventional TransformersWhen conventional transformers are used, the primarycircuit of each transformer must be protected againstshort-circuits in accordance with the manufacturer'sinstructions.Only safety transformers in accordance with DIN VDE0551 are to be used.It is not permissible to switch the load via a serialswitching contact, since overcurrents and overvoltageswhich may destroy the dimmer can occur uponreconnection.The secondary open-circuit start-up or operation ofconventional transformers is not permissible.Always operate conventional transformers with therated transformer load.

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