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Are the ATS48 and ATS22 softstarters are rated for a category 4 circuit?
ATS22 and ATS48
All serial numbers for ATS22 and ATS48
We do not have any safety features implemented in ATS22/48, no any safety validated scheme, certificate etc.
However, one can use a typical category 4 safety scheme where the ATSxx is connected just before the motor:
Safety is based on safety elements (relays, contactors, safety PLC...) and the ATSxx operates like a motor.
ATSxx does store any energy (no capacitors) so safety contactors are doing safety cut-off the ATSxx+motor.