(19)

(11)

EP 2 756 512 A1

(12)

(43) Date of publication: 23.07.2014 Bulletin 2014/30 (21) Application number: 12756731.1 (22) Date of filing: 10.09.2012

(51) International Patent Classification (IPC):  H01H 33/70(2006.01) (86) International application number: PCT/EP2012/067634 (87) International publication number: WO 2013/037726 (21.03.2013 Gazette 2013/12)

(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: 12.09.2011 FR 1158072 (71) Applicant: ALSTOM Technology Ltd 5400 Baden (CH)	(72) Inventor: DUFOURNET, Denis F-69580 Sathonay-camp (FR) (74) Representative: Ahner, Philippe  BREVALEX 95, rue d'Amsterdam 75378 Paris Cedex 8 75378 Paris Cedex 8 (FR)