Accessory device for a low-voltage circuit breaker - Patent 1220258

(19)

(11)

EP 1 220 258 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	22.09.2004 Bulletin 2004/39

(43)	Date of publication A2:
	03.07.2002 Bulletin 2002/27

(21)	Application number: 01204645.4

(22)	Date of filing: 29.11.2001

(51)	International Patent Classification (IPC)⁷: H01H 71/12, H01H 73/08

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

28.12.2000 IT MI202852

(71)	Applicant: ABB Service Srl
	20135 Milano (IT)

(72)	Inventor:
	Guerra, Mauro 20152 Milano (IT)

(74)	Representative: Giavarini, Francesco et al
	ZANOLI & GIAVARINI S.r.l. Viale Bianca Maria, 35 20122 Milano 20122 Milano (IT)

(54)	Accessory device for a low-voltage circuit breaker

(57) An accessory device for locking the resetting mechanism of a circuit breaker of the draw-out or removable type, characterized in that it comprises:

an insulating enclosure;
an actuating lever which protrudes, at least partially, outside said insulating enclosure;
a kinematic chain which is accommodated inside said insulating enclosure and is operatively coupled to said actuating lever; and
a lever for coupling to said resetting mechanism, said coupling lever being operatively coupled to said kinematic chain and protruding at least partially outside said insulating enclosure.