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How do you set the ATS48 softstarter for a Heavy (Severe) Duty Application?

Published date: 04 March 2019

Issue:
How do you set the ATS48 softstarter for a Heavy Duty or Severe Application?

Product line:
Altistart 48, ATS48 soft start

Environment:
all

Cause:
Rating guide shows Normal and Severe (or Heavy Duty)

Resolution:
There is no switch or setting to designate ``Heavy Duty``
Oversize the ATS48 selection by one size, based on the motor FLA rating.  For example, for a 50HP @ 460V, select the 60HP size. 

In addition to the default Programming, set the overload class (PRO > THP ) to 20.
 

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