The three-phase motors M series, closed, externally fan cooled, manufactured according to the main international standards and particularly to the IEC 34 and 72 rules , are available in the sizes from 225 up to 400 , with single speed pole numbers 2, 4, 6 and 8 and others by request and in two speed version, either single or double winding.Available output power from 18,5 kW up to 560 kW.
They are featured by cast iron frame with removable feet, by the IP 55 protection level, by the F class insulation, by bearings equipped with greasing facilities and by PTC type thermoprotectors on windings starting from size 280.
Windings have been manufactured in such a way so as to let the standard version M motors run under Frequency Converter supply up to 400 V without any further particular measure.