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EP 4 218 038 A1

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(43) Date of publication: 02.08.2023 Bulletin 2023/31 (21) Application number: 21770279.4 (22) Date of filing: 21.09.2021

(51) International Patent Classification (IPC):  H01H 1/021(2006.01) H01H 1/027(2006.01) B22F 1/00(2022.01) H01H 1/0237(2006.01) H01H 11/04(2006.01) (52) Cooperative Patent Classification (CPC): H01H 1/021; H01H 1/027; H01H 1/0237; H01H 2300/036; H01H 11/048; H01H 1/0203; B22F 1/0545; B22F 1/10; B22F 2999/00; B22F 7/08; B22F 2998/10; C22C 1/1026; C22C 1/05   C-Sets: B22F 2999/00, B22F 1/0545, C22C 1/0425, C22C 1/0433, C22C 1/0466; B22F 2998/10, B22F 1/0545, B22F 1/148, B22F 3/02, B22F 3/10, B22F 3/20; (86) International application number: PCT/EP2021/075892 (87) International publication number: WO 2022/063757 (31.03.2022 Gazette 2022/13)

(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: 22.09.2020 EP 20197503 (71) Applicant: ABB SCHWEIZ AG 5400 Baden (CH)	(72) Inventors: FRIBERG, Andreas 174 46 Sundbyberg (SE) ANDERSSON, Anna 724 65 Västerås (SE) JOHANSSON, Erik 72245 Västerås (SE) (74) Representative: Kransell & Wennborg KB  P.O. Box 27834 115 93 Stockholm 115 93 Stockholm (SE)