Hi B,
Rockby electronics has something similar (see pic.) , IEC socket, fused + EMI filter for 250V 6A ....
https://www.rockby.com.au/Catresults...stock_no=43144
Yours is a clip in type so may not be that easy to find - You may need to consider a "tiny" chassis mod to add holes if the overall size is Ok that is.
There is also another one with a 250V 4A rating, but without a pic....
https://www.rockby.com.au/catresults...stock_no=39757
Best
JA