(19)

(11)

EP 4 140 003 A1

(12)

(43) Date of publication: 01.03.2023 Bulletin 2023/09 (21) Application number: 20938865.1 (22) Date of filing: 05.06.2020

(51) International Patent Classification (IPC):  H02G 15/007(2006.01) H02G 3/02(2006.01) (52) Cooperative Patent Classification (CPC): H02G 3/02; H02G 15/007 (86) International application number: PCT/CN2020/094572 (87) International publication number: WO 2021/243682 (09.12.2021 Gazette 2021/49)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Tridonic GmbH & Co KG 6851 Dornbirn (AT)	(72) Inventor: MIDDEL, Tjaco Shenzhen, Guangdong 518131 (CN) (74) Representative: Rupp, Christian  Mitscherlich PartmbB Patent- und Rechtsanwälte Sonnenstraße 33 80331 München 80331 München (DE)