(19)

(11)

EP 0 470 215 A1

(12)

(43) Date of publication: 12.02.1992 Bulletin 1992/07 (21) Application number: 91903475.0 (22) Date of filing: 21.01.1991

(51) International Patent Classification (IPC):  H01H 73/ 36( . ) H01H 83/ 20( . ) H01H 83/ 04( . ) H01H 83/ 02( . ) H01H 71/ 10( . ) (86) International application number: PCT/US1991/000380 (87) International publication number: WO 1991/013454 (05.09.1991 Gazette 1991/21)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 23.02.1990 IE 19900000656 (71) Applicant: SQUARE D COMPANY Palatine, IL 60067 (US)

(72) Inventors: GLENNON, Oliver Ballinasloe, County Galway (IE) EARLY, James Ballinasloe, County Galway (IE) SHORTT, James Malahide, County Dublin (IE) HEALY, Martin Francis Ballinasloe, County Galway (IE) BOSCH, Hendrik Adolf NL-7557 HN Hengelo (NL) DARMOHOETOMO, Soedjiemat Francesco NL-7025 CX Halle (NL) BURKE, Raymond Joimont, W.A. 6014 (AU) (74) Representative: Sorrell, Terence Gordon  Fitzpatricks, 4 West Regent Street Glasgow G2 1RS, Scotland Glasgow G2 1RS, Scotland (GB)