Low-voltage contacts for high- and very high-intensity currents, particularly for electric transformers

(19)

(11)

EP 0 921 539 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	10.05.2000 Bulletin 2000/19

(43)	Date of publication A2:
	09.06.1999 Bulletin 1999/23

(21)	Application number: 98203865.5

(22)	Date of filing: 18.11.1998

(51)	International Patent Classification (IPC)⁷: H01F 27/04, H01F 27/29

(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:

19.11.1997 IT MI972577

(71)	Applicant: ABB Trasformatori S.p.A.
	20025 Legnano (Mi) (IT)

(72)	Inventor:
	Lanciano, Giovanni 20025 Legnano (Mi) (IT)

(74)	Representative: Giavarini, Francesco
	ABB Ricerca S.p.A. Viale Edison, 50 20099 Sesto San Giovanni (MI) 20099 Sesto San Giovanni (MI) (IT)

(54)	Low-voltage contacts for high- and very high-intensity currents, particularly for electric transformers

(57) A low-voltage contact for high- and very high-intensity currents, particularly for electric transformers, comprising a body (2) made of aluminum and/or alloys thereof which has a substantially constant transverse cross-section and a length which is a function of the intensity of the current that affects the low-voltage contact.

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