(19)

(11)

EP 2 729 949 A1

(12)

(43) Date of publication: 14.05.2014 Bulletin 2014/20 (21) Application number: 12807436.6 (22) Date of filing: 06.07.2012

(51) International Patent Classification (IPC):  H01H 1/26(2006.01) H01H 50/58(2006.01) H01H 50/56(2006.01) G01R 11/56(2006.01) (86) International application number: PCT/DK2012/050259 (87) International publication number: WO 2013/004251 (10.01.2013 Gazette 2013/02)

(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: 07.07.2011 EP 11173015 (71) Applicant: Kamstrup A/S 8660 Skanderborg (DK)	(72) Inventors: WESTER, Claus DK-8660 Skanderborg (DK) HANSEN, Jan Teilgaard DK-8752 Østbirk (DK) (74) Representative: Plougmann & Vingtoft A/S  Rued Langgaards Vej 8 2300 Copenhagen S 2300 Copenhagen S (DK)