(19)

(11)

EP 3 756 418 A1

(12)

(43) Date of publication: 30.12.2020 Bulletin 2020/53 (21) Application number: 19716977.4 (22) Date of filing: 22.02.2019

(51) International Patent Classification (IPC):  H05B 3/00(2006.01) H01B 9/02(2006.01) H05B 3/42(2006.01) (86) International application number: PCT/IB2019/000175 (87) International publication number: WO 2019/162757 (29.08.2019 Gazette 2019/35)

(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: 22.02.2018 US 201815902804 (71) Applicant: nVent Services GmbH 8200 Schaffhausen (CH)	(72) Inventors: DONG, Wesley Belmont, CA 94002 (US) BECKER, Paul San Carlos, CA 94070 (US) PARMAN, David San Ramon, CA 94583 (US) (74) Representative: Barker Brettell LLP  100 Hagley Road Edgbaston Birmingham B16 8QQ Birmingham B16 8QQ (GB)