2 Premessa 1 Zone permesse 2 Preambule 2 Preamble 5 Mounting and commissioning 1 Zones permitted 5 Montage et mise en service 3 Alimentazione 5 Montaggio e messa in servizio 3 Supply 1 Zones autorisees 3 Alimentation FR Signification des symboles: EN Significance of the symbols: IT Identificazione del prodotto EN Identification of the product FR Identification du produit ATEX 4 Control and supply connections to the equipment IT Significato dei simboli Use and maintenance instructions INPUT M M