(19)

(11)

EP 3 649 665 A1

(12)

(43) Date of publication: 13.05.2020 Bulletin 2020/20 (21) Application number: 17735530.2 (22) Date of filing: 05.07.2017

(51) International Patent Classification (IPC):  H01H 9/54(2006.01) H01H 33/59(2006.01) (86) International application number: PCT/EP2017/066818 (87) International publication number: WO 2019/007505 (10.01.2019 Gazette 2019/02)

(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: MA MD (71) Applicant: ABB Schweiz AG 5400 Baden (CH)	(72) Inventors: ERIKSSON, Thomas R. 743 86 Bälinge (SE) ACHARYA, Anirudh 9000 Aalborg (DK) (74) Representative: Kransell & Wennborg KB  P.O. Box 27834 115 93 Stockholm 115 93 Stockholm (SE)