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Can the larger high HP ATV61 protect a smaller motor?

 What is the range of the overload protection on the ATV61 VFDs?

Product line:  
Altivar 61

All models, all serial numbers   

What is the smallest size motor the ATV61 will protect?

The motor thermal protection (ITH) has a range of 0 to 1.1 or 1.2 of the nominal current rating (IN) of the VFD, depending on the drive rating.

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