DIN EN 60309-1 Berichtigung 1:2014
Plugs, socket-outlets and couplers for industrial purposes - Part 1: General requirements (IEC 60309-1:1999 + A1:2005, modified + A2:2012); German version EN 60309-1:1999 + A1:2007 + A2:2012, Corrigendum to DIN EN 60309-1 (VDE 0623-1):2013-02; (IEC-Cor.:2