(19)

(11)

EP 3 956 913 A1

(12)

(43) Date of publication: 23.02.2022 Bulletin 2022/08 (21) Application number: 20736659.2 (22) Date of filing: 02.07.2020

(51) International Patent Classification (IPC):  H01H 1/26(2006.01) H01H 50/56(2006.01) H01H 1/54(2006.01) H01H 3/00(2006.01) (52) Cooperative Patent Classification (CPC): H01H 1/54; H01H 50/641; H01H 50/56; H01H 1/26; H01H 3/001 (86) International application number: PCT/EP2020/068631 (87) International publication number: WO 2021/001471 (07.01.2021 Gazette 2021/01)

(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 (30) Priority: 02.07.2019 DE 102019117802 (71) Applicant: Johnson Electric Germany GmbH & Co. KG 01257 Dresden (DE)

(72) Inventors: HERRMANN, Marcus Hong Kong Science Park Shatin, N.T. (HK) HERZOG, Erik Hong Kong Science Park Shatin, N.T. (HK) HERMANN, Richard Hong Kong Science Park Shatin, N.T. (HK) CONNELL, Richard Anthony Hong Kong Science Park Shatin, N.T. (HK) (74) Representative: Doherty, William et al Albright IP Limited County House Bayshill Road Cheltenham, Glos. GL50 3BA Cheltenham, Glos. GL50 3BA (GB)