(19)

(11)

EP 3 924 990 A1

(12)

(43) Date of publication: 22.12.2021 Bulletin 2021/51 (21) Application number: 20706820.6 (22) Date of filing: 03.02.2020

(51) International Patent Classification (IPC):  H01H 23/14(2006.01) H01H 21/24(2006.01) H01H 9/02(2006.01) H01H 23/16(2006.01) (52) Cooperative Patent Classification (CPC): H01H 2221/016; H01H 21/24; H01H 9/0271; H01H 23/143; H01H 23/16 (86) International application number: PCT/IB2020/050831 (87) International publication number: WO 2020/165687 (20.08.2020 Gazette 2020/34)

(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: 14.02.2019 IT 201900002129 (71) Applicant: BTICINO S.P.A. 21100 Varese, (IT)	(72) Inventor: ALETTI, Tiziano 21100 Varese (IT) (74) Representative: Carangelo, Pierluigi et al Jacobacci & Partners S.p.A. Via Tomacelli 146 00186 Roma 00186 Roma (IT)