What the R88A-FIK104-RE does and how to source it
The Omron R88A-FIK104-RE is an RFI noise suppression filter, classified under the EMI, RFI, & EFI Noise Suppression Filters subcategory of panel accessories. It's meant to sit on the line side of servo drives or VFDs, knocking down conducted interference that can cause nuisance trips or measurement jitter.