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Thank you jraef for your replies and very much appreciated. The 2X amps for the VFD is what I was told to have and we have a 5HP around 1750RPM with 10 - 15 FLAmps output 3 Phase 220V - 240V for a VFD vector drive controller 7.5HP or 10HP with 23 to 27amps. We will need to make sure that we...

Thank you incjoek for your feedback. That is true what you said... For the 5HP motor @ 1750RPM you would yield Full load 15lbs/ft torque and that same 5HP 1750RPM motor running at 30RPM would be 875lbs/ft torque. That is what we need around 875lbs/ft torque to run the extruder feedscrew. Can...

Thank you all for all the feedback and comments as this is very much appreciated. So regarding my application as mentioned in my original post this motor application is for a small extruder. The AC motor requirements will be 5HP around 1750RPM with 10 - 15 FLAmps output 3 Phase 220V - 240V...

We are designing a custom small extruding machine which needs to have a 3HP or 5HP AC motor with around 1750RPM imput 3 Phase 220V - 240V. The desired RPM output is to be a variable speed for the extruding feedscrew to be between 15RPM to 45RPM. We know we can achieve an RPM output of around...