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EP 4 374 408 A1

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(43) Date of publication: 29.05.2024 Bulletin 2024/22 (21) Application number: 22846549.8 (22) Date of filing: 20.07.2022

(51) International Patent Classification (IPC):  H01H 85/10(2006.01) H01H 85/00(2006.01) H01H 85/041(2006.01) H02H 5/00(2006.01) H02H 3/08(2006.01) H01H 39/00(2006.01) H01H 85/02(2006.01) H01H 85/46(2006.01) H02H 3/02(2006.01) (52) Cooperative Patent Classification (CPC): H01H 39/006; H01H 85/0039; H02H 3/087 (86) International application number: PCT/US2022/037682 (87) International publication number: WO 2023/003936 (26.01.2023 Gazette 2023/04)

(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: 20.07.2021 US 202117380436 (71) Applicants: Littelfuse International Holding, LLC Chicago, Illinois 60631 (US) Astotec Automotive GmbH 2552 Hirtenberg (AT)	(72) Inventors: CHANNAKESAVELU, Ganesh, Nagaraj Rolling Meadows, Illinois 60008 (US) HETZMANNSEDER, Engelbert 3400 Klosterneuburg (DE) PÖLTL, Peter 2552 Hirtenberg (DE) LASINI, Derek Park Ridge, Illinois 60068 (US) (74) Representative: Arnold & Siedsma  Bezuidenhoutseweg 57 2594 AC The Hague 2594 AC The Hague (NL)