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Those additional specifications are to: – provide additional features that are dependent on the type of machine (or group of machines) and the application; – facilitate maintenance and repair; and – improve the reliability and ease of operation. 1 General Electrical components and devices shall: – be suitable for their intended use; and – conform to relevant IEC standards where such exist; and – be applied in accordance with the supplier’s instructions. NORMA TECNICA CEI EN 60204-1:2006-09 Pagina 23 di 223 I rischi associati ai pericoli relativi all’equipaggiamento elettrico devono essere considerati come parte delle prescrizioni globali per la valutazione dei rischi della macchina.

When so locked, remote as well as local closing shall be prevented; – disconnect all live conductors of its power supply circuit. However, for TN supply systems, the neutral conductor may or may not be disconnected except in countries where disconnection of the neutral conductor (when used) is compulsory; – have a breaking capacity sufficient to interrupt the current of the largest motor when stalled together with the sum of the normal running currents of all other motors and/or loads. The calculated breaking capacity may be reduced by the use of a proven diversity factor.

7 Installazione L’equipaggiamento elettrico deve essere installato secondo le istruzioni del fornitore dello stesso. 1 Morsetti dei conduttori di alimentazione in ingresso e dispositivi di sezionamento e interruzione Morsetti dei conduttori di alimentazione in ingresso Si raccomanda, ove possibile, che l’equipaggiamento elettrico di una macchina sia collegato a un’unica sorgente di alimentazione. Se è necessario usare un’altra alimentazione per determinate parti dell’equipaggiamento (per es. equipaggiamenti elettronici funzionanti a tensioni diverse), questa alimentazione deve essere fornita, per quanto possibile, da apparecchi (come trasformatori, convertitori) che fanno parte dell’equipaggiamento elettrico della macchina.

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