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(11)

EP 4 248 527 A1

(12)

(43) Date of publication: 27.09.2023 Bulletin 2023/39 (21) Application number: 20811303.5 (22) Date of filing: 20.11.2020

(51) International Patent Classification (IPC):  H01R 13/187(2006.01) H01H 33/02(2006.01) H01R 13/66(2006.01) (52) Cooperative Patent Classification (CPC): H01H 33/025; H01R 11/26 (86) International application number: PCT/EP2020/082904 (87) International publication number: WO 2022/106026 (27.05.2022 Gazette 2022/21)

(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: Hitachi Energy Switzerland AG 5400 Baden (CH)	(72) Inventors: SAMUL, Boguslaw 31-345 Krakow (PL) OSTROWSKI, Joerg 8048 Zürich (CH) GATZSCHE, Michael 8003 Zürich (CH) SAXL, David 8046 Zürich (CH) (74) Representative: Schaad, Balass, Menzl & Partner AG  Bellerivestrasse 20 Postfach 8034 Zürich 8034 Zürich (CH)