Registration number (WIID)Project No.TitleStatus
79750prEN 50121-4:2025Railway applications - Electromagnetic compatibility - Part 4: Emission and immunity of the signalling and telecommunications apparatusIzstrādē
79751prEN 50121-5:2025Railway applications - Electromagnetic compatibility - Part 5: Emission and immunity of fixed power supply installations and apparatusIzstrādē
63215prEN 50122-1 Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 1: Protective provisions against electric shockIzstrādē
63216prEN 50122-2Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 2: Provisions against the effects of stray currents caused by d.c. traction systemsIzstrādē
63217prEN 50122-3Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 3: Mutual Interaction of a.c. and d.c. traction systemsIzstrādē
52968prEN 50124-3Railway applications - Insulation coordination - Part 3: Solid and liquid insulationsIzstrādē
78566prEN 50125:2025Railway applications - Environmental conditions for equipmentAptauja slēgta
53816prEN 50126-1Railway applications - The Specification and Demonstration of Reliability, Availability, Maintainability and Safety (RAMS) - Part 1: Generic RAMS processIzstrādē
48342prEN 50126-2Railway applications - The Specification and Demonstration of Reliability, Availability, Maintainability and Safety (RAMS) - Part 2: Systems approach to safetyIzstrādē
56834prEN 50126-2Railway applications - Dependability for guided transport systems - Part 2: AvailabilityIzstrādē
Displaying 931-940 of 1096 results.