The three-phase asynchronous motors of the series M are designed and built in accordance with principal standards IEC and more particularly according to the standards 73/23/CEE and 89/336/CEE. On request, they can be provided in conformity with standards UL and SCAS. Powers: 0,06 to 18,5 kw Sizes: 56 to 160 Mono-speeds: 2, 4, 6, 8 poles Bi - speeds: 2/4 - 2/8 - - 4/6 - 4/8 - 6/8 poles etc? Many options available.