Can the Altistart ATS22 Soft Starter Be Used on an Open-Delta Power System?
Resolution:
Yes. There is no published restriction that specifically prohibits using an ATS22 soft starter on an open-delta power system.
The ATS22 may be used provided that the phase-to-phase input voltages are properly balanced and within the acceptable voltage range for the soft starter.
Before installation, verify the phase-to-phase voltages to ensure the power supply is suitable for the ATS22.
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Frequently Asked Questions - Schneider Electric (se.com)
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