Neither Altivar nor another device like the LT3SM control relay has ATEX-certified PTC input. It is necessary to use a 3rd party Atex certified device for the PTC processing.
VW3AE2002 is an accessory for drive systems ATEX version. But VW3AE2002 is not manufactured by Schneider-electric. It is a Ck145S device from Flender manufacturer.

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