(19)
(11) EP 4 173 019 A1

(12)

(43) Date of publication:
03.05.2023 Bulletin 2023/18

(21) Application number: 21749829.4

(22) Date of filing: 27.07.2021
(51) International Patent Classification (IPC): 
H01H 71/04(2006.01)
(52) Cooperative Patent Classification (CPC):
H01H 2071/042; H01H 71/04; H01H 71/526; H01H 71/1027
(86) International application number:
PCT/EP2021/071025
(87) International publication number:
WO 2022/023354 (03.02.2022 Gazette 2022/05)
(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: 28.07.2020 CN 202010736241

(71) Applicant: Siemens Aktiengesellschaft
80333 München (DE)

(72) Inventors:
  • ZHANG, Ye
    Shanghai 201506 (CN)
  • MUNDT, Andreas
    93102 Pfatter (DE)

(74) Representative: Horn Kleimann Waitzhofer Patentanwälte PartG mbB 
Ganghoferstraße 29a
80339 München
80339 München (DE)

   


(54) RESIDUAL CURRENT FAULT INDICATOR MECHANISM AND CIRCUIT BREAKER WITH RESIDUAL CURRENT FAULT INDICATOR MECHANISM