(19)

(11)

EP 0 638 201 A1

(12)

(43) Date of publication: 15.02.1995 Bulletin 1995/07 (21) Application number: 93911906.0 (22) Date of filing: 30.04.1993

(51) International Patent Classification (IPC):  H01H 37/ 16( . ) H01H 43/ 30( . ) (86) International application number: PCT/GB1993/000912 (87) International publication number: WO 1993/022782 (11.11.1993 Gazette 1993/27)

(84) Designated Contracting States: DE FR GB (30) Priority: 30.04.1992 GB 19920009305 20.07.1992 GB 19920015358 26.08.1992 GB 19920018102 15.02.1993 GB 19930002990 (71) Applicant: OTTER CONTROLS LIMITED Buxton, Derbyshire SK17 6LA (GB)	(72) Inventors: WISE, Tom 4 Dale View Earl Sterndale Derbyshire SK17 0BT (GB) FLETCHER, Keith 13 Hardwick Gardens Derbyshire SK17 9PB (GB) (74) Representative: Jenkins, Richard Gray, et al  R.G.C. Jenkins & Co. 26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)