(19)
(11) EP 0 309 924 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
13.06.1990 Bulletin 1990/24

(43) Date of publication A2:
05.04.1989 Bulletin 1989/14

(21) Application number: 88115602.0

(22) Date of filing: 22.09.1988
(51) International Patent Classification (IPC)4: H01H 71/02, H01H 23/04
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI NL SE

(30) Priority: 29.09.1987 IT 2245287 U

(71) Applicant: CGE- COMPAGNIA GENERALE ELETTROMECCANICA S.p.A.
I-20144 Milan (IT)

(72) Inventor:
  • De Vizzi, Francesco
    Sangiuliano Milanese (Milano) (IT)

(74) Representative: Michelotti, Giuliano et al
c/o SAIC BREVETTI S.r.l. Galleria San Babila, 4/D
20122 Milano
20122 Milano (IT)


(56) References cited: : 
   
       


    (54) Molded case and cover arrangement for current limiting circuit breakers


    (57) An insulating plastic case (12), and cover (14), for a circuit breaker having complementary extensions (32a-d), on the cover and recesses (20a-h), on the case side walls to transfer internal stress from the case side walls (46, 18), to the cover during circuit interruption.







    Search report