They are called ISEP connectors.
I have the same connectors in my Midas consoles.
There is till one German company that builds them to order, they are very expensive.
Here is a link:
http://provertha2010.altoma.biz/produkte/steckverbinder/din_41620_isep/federleiste_form_a/federleiste_form_a?setlang=en&xeid=54