European standard 67 plug EUROMAP67 heavy-duty connector 50-pin. Single plug: contains an upper shell, 2 male and female plastic cores, and 25 male pins and 25 female pins. Single socket: contains a bottom shell, 2 male and female plastic cores, and 25 male pins and 25 female pins. A full set of plugs + sockets: including upper and lower aluminum shells, 4 plastic cores, and 50 sets of male and female pins! The default connector is PG21, and the matching socket is suitable for 0.5 square wire!
This European standard 67 plug is quite common, and the price is affordable! Compatible with Cebas, Harting, Wien, etc.