Isolator switch with safety operating device

(19)

(11)

EP 0 428 168 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	14.10.1992 Bulletin 1992/42

(43)	Date of publication A2:
	22.05.1991 Bulletin 1991/21

(21)	Application number: 90121877.6

(22)	Date of filing: 15.11.1990

(51)	International Patent Classification (IPC)⁵: H01H 71/02

(84)	Designated Contracting States:
	AT BE CH DE DK ES FR GB GR LI LU NL SE

(30)

Priority:

16.11.1989 IT 2240389

(71)	Applicant: Tosi, Giampietro
	I-20072 Castiglione D'Adda, Milan (IT)

(72)	Inventor:
	Tosi, Giampietro I-20072 Castiglione D'Adda, Milan (IT)

(74)	Representative: Fusina, Gerolamo
	Ing. Barzanò & Zanardo Milano S.p.A, Via Borgonuovo, 10 I-20121 Milano I-20121 Milano (IT)

(56)

References cited: :

(54)	Isolator switch with safety operating device

(57) An isolator switch with a safety device, consisting of a casing housing on one side a mobile contact element and on the other a mechanical operating device associated with an electromagnetic safety element which can be externally energized under danger or emergency conditions, the mechanical device being controlled by the operating shaft of the isolator switch.

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