Thanks for all the replies.
We have now changed the motor ordered to an Ex rated for the VFD, this meant a small increase in power from 6.8 to 7.5kW, but no major problems.
Thanks Again.
David
I am a mechanical engineer with limited electrical knowledge so please exscuse any part of this question that may be simple or incorrect.
I have an ATEX rated geared motor unit driving a slow speed vessel agitator. I was planning to use a frequency inverter to set a torque limit but have now...