(19)
(11) EP 0 949 646 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
26.04.2000 Bulletin 2000/17

(43) Date of publication A2:
13.10.1999 Bulletin 1999/41

(21) Application number: 99200908.4

(22) Date of filing: 24.03.1999
(51) International Patent Classification (IPC)7: H01H 71/46, H01H 71/04
(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: 24.03.1998 IT MI980606

(71) Applicant: ABB Elettrocondutture S.p.A.
20010 Vittuone (Mi) (IT)

(72) Inventors:
  • Jacovino, Elio
    20052 Monza (Mi) (IT)
  • Radaelli, Claudio
    20063 Seveso (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) Accessory device for a magnetothermal circuit breaker


(57) An accessory device for indicating the state of a magnetothermal circuit breaker, particularly of the bipolar type with phase and neutral poles, which is associated therewith, comprising an insulating casing which contains fixed contacts and a corresponding moving contact and connection terminals. The peculiarity of the device consists in that it comprises:
  • a) a kinematic mechanism which comprises:means for coupling to the circuit breaker;means for actuating the moving contact;means for the local visual indication of a triggered circuit breaker state;
  • b) a mechanism for testing the device.






Search report