(19)

(11)

EP 0 478 700 A1

(12)

(43) Date of publication: 08.04.1992 Bulletin 1992/15 (21) Application number: 90911860.0 (22) Date of filing: 27.06.1990

(51) International Patent Classification (IPC):  H01H 11/ 00( . ) H01H 71/ 02( . ) H01H 69/ 00( . ) H01H 71/ 52( . ) (86) International application number: PCT/US1990/003664 (87) International publication number: WO 1991/016720 (31.10.1991 Gazette 1991/25)

(84) Designated Contracting States: DE GB IT (30) Priority: 12.04.1990 US 19900508861 (71) Applicant: SQUARE D COMPANY Palatine, IL 60067 (US)	(72) Inventors: REZAC, Willard, J. Lincoln, NB 68502 (US) EDDS, Thomas, A. Lincoln, NB 68516 (US) SMITH, Lowell, D. Crete, NB 68333 (US) EARLY, James Galway (IE) DONNELLAN, Martin Galway (IE) HURST, Dermot Galway (IE) (74) Representative: Sorrell, Terence Gordon  Fitzpatricks, 4 West Regent Street Glasgow G2 1RS, Scotland Glasgow G2 1RS, Scotland (GB)