The CM1600 range has been discontinued about 10 years ago.
Compact CM range can be replaced by Compact NS range through retrofitting done by Schneider Electric Service Team.

You can check the complete catalog for Compact NS Range :

https://download.schneider-electric.com/files?p_enDocType=Catalog&p_File_Name=LVPED221008EN.pdf&p_Doc_Ref=LVPED221008EN

Released for:Schneider Electric Nigeria