As per PM2000 catalog -> https://download.schneider-electric.com/files?p_enDocType=Catalog&p_File_Name=PLSED310053EN_Web.pdf&p_Doc_Ref=PLSED310053EN_Web

It seems these clips do only come with the meter when newly purchased and cannot be sourced separately as we don't have spare part reference for it.

Released for: Schneider Electric Malaysia