MEAN WELL’s power supplies have been used in a wide variety of electronic equipments, including  factory control, IT, communication, appliances, medical, lighting, billboards, security, vehicle, etc…. , which is capable of meeting your needs.

Application Aspect


Is it possible to connect two KNX-20E-640 in parallel?


Yes it is possible to connect two KNX-20E-640 in parallel with following conditions:
Two chokes installed in one line with at least 200m is the minimum requirement for certification according to KNX standard 9.2.


Where users can download MEAN WELL KNX product installation manual or product manual?


To the web homepage of MEAN WELL KNX product you use, you can find the installation manual or product manual at “other” sub-page and download it.