How Do You Configure an ATS48 Soft Starter for Heavy-Duty Applications?
Resolution:
The ATS48 soft starter does not include a specific setting or switch labeled “Heavy Duty.”
To handle heavy-duty applications, follow these configuration best practices:
-
Oversize the Soft Starter
Select a soft starter one size larger than the motor rating, based on the motor’s full load current (FLA). -
Adjust the Overload Class
In addition to the default programming, set the motor thermal protection to a higher class:- Navigate to: PRO → THP (thermal protection parameter)
- Set the overload class to Class 20
- Oversizing ensures the soft starter can handle higher starting currents and longer acceleration times typical of heavy-duty loads.
- Setting Class 20 provides extended thermal protection suitable for demanding applications such as conveyors, crushers, or high-inertia loads.
If this article does not answer your question, check out our FAQ database that has answers to more commonly asked questions:
Frequently Asked Questions - Schneider Electric (se.com)
If this FAQ did not solve your issue, you can call us at 1-888-778-2733 Option 2 and then 4 or e-mail us atdrive.products.support@se.comto create a case with our Technical Support Team.
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