Registration number (WIID)Project No.TitleStatus
50153EN 61557-6:1998/AAElectrical safety in low voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 6: Residual current devices (RCD) in TT, TN and IT systemsIzstrādē
52425prEN 50197-5Measuring and monitoring equipment for testing the electrical safety in low-voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. - Part 5: Equipment for measuring resistance to earthIzstrādē
53516prEN 60688-2Electrical measuring transducers for converting a.c. electrical quantities into d.c. electrical quantities - Part 2: Transducers for outdoor use and other severe environmentsIzstrādē
47391prEN 50197-7Measuring and monitoring equipment for testing the electrical safety in low-voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. - Part 7: Equipment for indicating phase sequenceIzstrādē
48409prEN 60414Safety requirements for indicating and recording electrical measuring instruments and their accessoriesIzstrādē
43238prEN 50197-1Measuring and monitoring equipment for testing the electrical safety in low-voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. - Part 1: General requirementsIzstrādē
54984prEN 50197-8Measuring and monitoring equipment for testing the electrical safety in low-voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. - Part 8: Insulation monitoring devices for IT a.c. distribution systems, for IT a.c. distribution systems with galvanically connected d.c. circuits and for IT d.c. systemsIzstrādē
54831prEN 50197-6Measuring and monitoring equipment for testing the electrical safety in low-voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. - Part 6: Measuring equipment for testing the effectiveness of protective measures in TT and TN systems by disconnection with residual current devices (RCD)Izstrādē
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