(19)
(11) EP 3 340 262 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
28.02.2024 Bulletin 2024/09

(45) Mention of the grant of the patent:
24.01.2024 Bulletin 2024/04

(21) Application number: 17205682.2

(22) Date of filing: 06.12.2017
(51) International Patent Classification (IPC): 
H01H 1/00(2006.01)
G01R 31/327(2006.01)
 H01H 71/04(2006.01)
(52) Cooperative Patent Classification (CPC):
H01H 1/0015; H01H 71/04; H01H 2071/044; G01R 31/3277

(54)

SYSTEM AND METHOD FOR MONITORING CONTACT LIFE OF A CIRCUIT INTERRUPTER

SYSTEM UND VERFAHREN ZUR ÜBERWACHUNG DER KONTAKTLEBENSDAUER EINES SCHUTZSCHALTERS

SYSTÈME ET PROCÉDÉ DE SURVEILLANCE DE LA VIE DE CONTACT D'UN DISJONCTEUR

(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

(30) Priority: 21.12.2016 US 201615386953

(43) Date of publication of application:
27.06.2018 Bulletin 2018/26

(73) Proprietor: Eaton Intelligent Power Limited
Dublin 4 (IE)

(72) Inventors:
  • ZHOU, Xin
    Wexford, PA 15090 (US)
  • GAO, Zhi
    Warrendale, PA 15086 (US)
  • LAGREE, James L.
    Robinson Township, PA 15136 (US)
  • MUELLER, Robert W.
    Aliquippa, PA 15001 (US)

(74) Representative: Novagraaf Group 
Chemin de l'Echo 3
1213 Onex / Geneva
1213 Onex / Geneva (CH)


(56) References cited: : 
WO-A1-00/39822
US-A1- 2008 036 561
 KR-A- 20140 006 413
   
  • KIYOSHI YOSHIDA ET AL: "Influence of Voltage on Arc Characteristics and Electrode Mass Change of AgNi Contacts for Electromagnetic Contactors", IEICE TRANSACTIONS ON ELECTRONICS, INSTITUTE OF ELECTRONICS, TOKYO, JP, vol. E94C, no. 9, 1 September 2011 (2011-09-01), pages 1395-1401, XP001570350, ISSN: 0916-8524, DOI: 10.1587/TRANSELE.E94.C.1395
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).