# Commission Regulation (EU) 2019/1782 of 1 October 2019 laying down ecodesign requirements for external power supplies pursuant to Directive 2009/125/EC of the European Parliament and of the Council and repealing Commission Regulation (EC) No 278/2009 (Text with EEA relevance), Division 1: Energy efficiency requirements:

Extent: E+W+S+N.I.

(a) from 1 April 2020, the no-load condition power consumption shall not exceed the following values:
AC-AC external power supplies, except low voltage and multiple voltage output external power supplies
AC-DC external power supplies, except low voltage and multiple voltage output external power supplies
Low voltage external power supplies
Multiple voltage output external power supplies
PO ≤ 49,0 W
0,21 W
0,10 W
0,10 W
0,30 W
PO > 49,0 W
0,21 W
0,21 W
0,21 W
0,30 W
(b) from 1 April 2020, the average active efficiency shall be not less than the following values:
AC-AC external power supplies, except low voltage and multiple voltage output external power supplies
AC-DC external power supplies, except low voltage and multiple voltage output external power supplies
Low voltage external power supplies
Multiple voltage output external power supplies
PO ≤ 1,0 W
0,5 × PO/1W+ 0,160
0,5 × PO/1W+ 0,160
0,517 × PO/1W+ 0,087
0,497 × PO/1W+ 0,067
1 W < PO ≤ 49,0 W
0,071 × ln(PO/1W) – 0,0014 × PO/1W+ 0,67
0,071 × ln(PO/1W) – 0,0014 × PO/1W+ 0,67
0,0834 × ln(PO/1W) – 0,0014 × Po/1W+ 0,609
0,075 × ln(PO/1W) + 0,561
PO > 49,0 W
0,880
0,880
0,870
0,860

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Source: https://www.legislation.gov.uk/eur/2019/1782/annex/II/division/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2019-1782/annex-II/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.