Registration number (WIID)Project No.TitleStatus
50824EN 60742:1989Isolating transformers and safety isolating transformers - RequirementsAtcelts
44235EN 60742:1995Isolating transformers and safety isolating transformers - RequirementsAtcelts
47430EN 61558-1:1997Safety of power transformers, power supply units and similar - Part 1: General requirements and testsAtcelts
44176EN 61558-1:1997/A11:2003Safety of power transformers, power supply units and similar - Part 1: General requirements and testsAtcelts
44483EN 61558-1:1997/A1:1998Safety of power transformers, power supply units and similar - Part 1: General requirements and testsAtcelts
57959EN 61558-1:1997/corrigendum Apr. 2003Safety of power transformers, power supply units and similar - Part 1: General requirements and testsAtcelts
43185EN 61558-1:2005Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and testsAtcelts
45909EN 61558-1:2005/A1:2009Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and testsAtcelts
46949EN 61558-1:2005/corrigendum Aug. 2006Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and testsAtcelts
53976EN 61558-2-10:2014Safety of transformers, reactors, power supply units and combinations thereof - Part 2-10: Particular requirements and tests for separating transformers with high insulation level and separating transformers with output voltages exceeding 1 000 VStandarts spēkā
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