Registration number (WIID)Project No.TitleStatus
51197EN 50091-1-2:1998Uninterruptible power systems (UPS) - Part 1-2: General and safety requirements for UPS used in restricted access locationsAtcelts
53220EN 50091-1-2:1998/corrigendum Aug. 1999Uninterruptible power systems (UPS) - Part 1-2: General and safety requirements for UPS used in restricted access locationsAtcelts
46354EN 50091-1-2:1998/prA1Uninterruptible power systems (UPS) - Part 1-2: General and safety requirements for UPS used in restricted access locationsIzstrādē
54471EN 50091-2:1995Uninterruptible power systems (UPS) - Part 2: EMC requirementsAtcelts
50965EN 50091-2:1995/corrigendum Jan. 1998Uninterruptible power systems (UPS) - Part 2: EMC requirementsAtcelts
46347EN 50091-2:1995/prA1Uninterruptible power systems (UPS) - Part 2: EMC requirementsIzstrādē
47017EN 50171:2001Central power supply systemsStandarts spēkā
48215EN 50171:2001/corrigendum Aug. 2001Central power supply systemsStandarts spēkā
67775EN 50171:2021Central safety power supply systemsStandarts spēkā
80213EN 50171:2021/AC:2024-08Central safety power supply systemsStandarts spēkā
Displaying 11-20 of 372 results.