Registration number (WIID)Project No.TitleStatus
54369LVS EN 62040-1-2:2003Uninterruptible Power Systems (UPS) - Part 1-2: General and safety requirements for UPS used in restricted access locationsAtcelts
56169LVS EN 62040-1:2009 /AC:2009Uninterruptible Power Systems (UPS) - Part 1: General and safety requirements for UPS (IEC 62040-1:2008 + Corrigendum September 2008)Atcelts
49005LVS EN 62040-1:2009 /A1:2013Uninterruptible Power Systems (UPS) - Part 1: General and safety requirements for UPS (IEC 62040-1:2008/A1:2013)Atcelts
48266LVS EN 62040-1:2009Uninterruptible Power Systems (UPS) - Part 1: General and safety requirements for UPS (IEC 62040-1:2008 + Corrigendum August 2008)Atcelts
56344LVS EN 62040-1-1:2004 +ACUninterruptible power systems (UPS) - Part 1-1: General and safety requirements for UPS used in operator access areasAtcelts
41977LVS EN 62040-1-1:2003/corrigendum Aug. 2004Uninterruptible power systems (UPS) - Part 1-1: General and safety requirements for UPS used in operator access areasAtcelts
56344LVS EN 62040-1-1:2003Uninterruptible power systems (UPS) - Part 1-1: General and safety requirements for UPS used in operator access areasAtcelts
74405LVS EN 61975:2011/A2:2023High-voltage direct current (HVDC) installations - System testsStandarts spēkā
60322LVS EN 61975:2011/A1:2017High-voltage direct current (HVDC) installations - System testsStandarts spēkā
44898LVS EN 61975:2011High-voltage direct current (HVDC) installations - System tests (IEC 61975:2010)Standarts spēkā
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