2017DIN EN 61869-6:2017 Instrument transformers - Part 6: Additional general requirements for low-power instrument transformers (IEC 61869-6:2016); German version EN 61869-6:2016
2003DIN EN 60044-8:2003 Instrument transformers - Part 8: Electronic current transformers (IEC 60044-8:2002); German version EN 60044-8:2002