2016DIN EN 61810-3:2016 Electromechanical elementary relays - Part 3: Relays with forcibly guided (mechanically linked) contacts (IEC 61810-3:2015); German version EN 61810-3:2015
2003DIN EN 50205:2003 Relays with forcibly guided (mechanically linked) contacts; German version EN 50205:2002