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Can the ATS48 soft starter work with a roto-phase?

Published date: 18 February 2020

Issue:
Customer has a Roto-phase in front of the ATS48 supplying the third phase.

Product line:  
Altistart 48

Environment:
All models, all serial numbers   

Cause:
Customer only has single phase available. 

Resolution:
No, it is not recommended to use a Roto-Phase to supply the ATS48 soft start because the line voltages will be imbalanced.  The ATS48 will detect a input phase fault.

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