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Asynchronous motors (ASM) are robust and inexpensive drives for mains, frequency converter or servo operation. They can be used in a wide field weakening range. In open loop modes of operation their rotary speed is dependent on the load.
Their performance can be enhanced with copper squirrel-cage rotors instead of aluminium rotors. They can be used up to insulation classification H without any need for special measures.
ATPOLE recommends asynchronous motors as a first choice if sturdy but easily maintained drives are required. They are suitable for a broad palette of applications – where a constant rotary speed is needed and where a constant output is required across a broad range. Last but not least, they are ideal for machines and equipment with very high operating temperatures.