(19)

(11)

EP 2 543 122 A2

(12)

(43) Date of publication: 09.01.2013 Bulletin 2013/02 (21) Application number: 11710830.8 (22) Date of filing: 01.03.2011

(51) International Patent Classification (IPC):  H02G 3/08(2006.01) (86) International application number: PCT/GB2011/050406 (87) International publication number: WO 2011/107790 (09.09.2011 Gazette 2011/36)

(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: 01.03.2010 GB 201003405 (71) Applicant: Lewden Electrical Industries London E10 7QD (GB)	(72) Inventor: JOSEPHS, David London E10 7QD (GB) (74) Representative: Jaeger, Michael David  Withers & Rogers LLP 4 More London Riverside London SE1 2AU London SE1 2AU (GB)