(19)

(11)

EP 2 807 665 A1

(12)

(43) Date of publication: 03.12.2014 Bulletin 2014/49 (21) Application number: 13741046.0 (22) Date of filing: 21.01.2013

(51) International Patent Classification (IPC):  H01H 3/04(2006.01) H01H 9/22(2006.01) H01H 3/58(2006.01) (86) International application number: PCT/FI2013/050064 (87) International publication number: WO 2013/110855 (01.08.2013 Gazette 2013/31)

(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: 23.01.2012 FI 20125070 (71) Applicant: ABB Oy 00380 Helsinki (FI)	(72) Inventors: JOKINIEMI, Timo FI-65320 Vaasa (FI) POLLARI, Harri FI-65320 Vaasa (FI) LATVALA, Esko FI-65320 Vaasa (FI) (74) Representative: Kolster Oy Ab  Iso Roobertinkatu 23 PO Box 148 00121 Helsinki 00121 Helsinki (FI)