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(11)

EP 1 163 690 A1

(12)

(43) Date of publication: 19.12.2001 Bulletin 2001/51 (21) Application number: 00906497.3 (22) Date of filing: 25.02.2000

(51) International Patent Classification (IPC)7: H01H 37/54, H01H 37/70 (86) International application number: PCT/GB0000/694 (87) International publication number: WO 0051/151 (31.08.2000 Gazette 2000/35)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 25.02.1999 GB 9904391 (71) Applicant: OTTER CONTROLS LIMITED Buxton, Derbyshire SK17 6LA (GB)	(72) Inventors: O'NEILL, Robert, Andrew BuxtonDerbyshire SK17 9NQ (GB) BOUNDY, Paul Derbyshire SK17 7PZ (GB) (74) Representative: Milhench, Howard Leslie et al R.G.C. Jenkins & Co. 26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)