The sugesstions of installing magnetic couplings & others will require lot of Hardware modifications whereas my suggestion is a software one.
Please go ahead & try. You will get the required info. in the drive manaul.
There is a feature of setting the Overload cutoff in the inverter which typically acts as an Electronics Shear pin.
You can set this from 100% of the nameplate or FLC to upto 200% (for a short duration) of the FLC/Name plate current.
