EP0309924A3 - Molded case and cover arrangement for current limiting circuit breakers - Google Patents

Molded case and cover arrangement for current limiting circuit breakers Download PDF

Info

Publication number
EP0309924A3
EP0309924A3 EP88115602A EP88115602A EP0309924A3 EP 0309924 A3 EP0309924 A3 EP 0309924A3 EP 88115602 A EP88115602 A EP 88115602A EP 88115602 A EP88115602 A EP 88115602A EP 0309924 A3 EP0309924 A3 EP 0309924A3
Authority
EP
European Patent Office
Prior art keywords
current limiting
circuit breakers
limiting circuit
molded case
cover arrangement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP88115602A
Other versions
EP0309924A2 (en
EP0309924B1 (en
Inventor
Francesco De Vizzi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CGE Generale Elettromeccanica SpA
Original Assignee
CGE Generale Elettromeccanica SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CGE Generale Elettromeccanica SpA filed Critical CGE Generale Elettromeccanica SpA
Publication of EP0309924A2 publication Critical patent/EP0309924A2/en
Publication of EP0309924A3 publication Critical patent/EP0309924A3/en
Application granted granted Critical
Publication of EP0309924B1 publication Critical patent/EP0309924B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/025—Constructional details of housings or casings not concerning the mounting or assembly of the different internal parts
    • H01H71/0257—Strength considerations

Abstract

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.
EP88115602A 1987-09-29 1988-09-22 Molded case and cover arrangement for current limiting circuit breakers Expired - Lifetime EP0309924B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2245287U 1987-09-29
IT8722452U IT211844Z2 (en) 1987-09-29 1987-09-29 COUPLING BETWEEN BASE AND COVER OF A SWITCH IN INSULATED PRINTED BOX PARTICULARLY RESISTANT TO DEFORMATIONS AND BREAKS DUE TO OVERPRESSURES DERIVED FROM GASES PRODUCED BY ARCHES OR SIMILAR.

Publications (3)

Publication Number Publication Date
EP0309924A2 EP0309924A2 (en) 1989-04-05
EP0309924A3 true EP0309924A3 (en) 1990-06-13
EP0309924B1 EP0309924B1 (en) 1994-07-20

Family

ID=11196492

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88115602A Expired - Lifetime EP0309924B1 (en) 1987-09-29 1988-09-22 Molded case and cover arrangement for current limiting circuit breakers

Country Status (4)

Country Link
EP (1) EP0309924B1 (en)
AT (1) ATE108944T1 (en)
DE (1) DE3850732T2 (en)
IT (1) IT211844Z2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4860162A (en) * 1988-09-29 1989-08-22 General Electric Company Molded case and cover arrangement for current limiting circuit interrupters
DE19958945A1 (en) 1999-11-26 2001-05-31 Siemens Ag Electrical switching device, such as low voltage (LV) circuit-breaker, with multi-part housing
US20230377822A1 (en) * 2022-05-20 2023-11-23 Rockwell Automation Technologies, Inc. Circuit breaker housing with two-stage structure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB530353A (en) * 1939-06-22 1940-12-10 Crabtree & Co Ltd J A Improvements in, and connected with, boxes or covers for electrical apparatus
AU482990B2 (en) * 1970-02-16 1975-07-17 Westinghouse Electric Corporation Improvements in or relating to circuit interrupter with improved molded insulating housing
FR2386899A1 (en) * 1977-04-09 1978-11-03 Ellenberger & Poensgen BASE FOR MOUNTING ELECTRICAL INSTALLATION EQUIPMENT
EP0003736A1 (en) * 1978-01-19 1979-09-05 Siemens Aktiengesellschaft Low-tension power circuit-breaker with a split insulant housing
DE8807464U1 (en) * 1987-06-09 1988-12-08 Bassani Ticino S.P.A., Mailand/Milano, It

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB530353A (en) * 1939-06-22 1940-12-10 Crabtree & Co Ltd J A Improvements in, and connected with, boxes or covers for electrical apparatus
AU482990B2 (en) * 1970-02-16 1975-07-17 Westinghouse Electric Corporation Improvements in or relating to circuit interrupter with improved molded insulating housing
FR2386899A1 (en) * 1977-04-09 1978-11-03 Ellenberger & Poensgen BASE FOR MOUNTING ELECTRICAL INSTALLATION EQUIPMENT
EP0003736A1 (en) * 1978-01-19 1979-09-05 Siemens Aktiengesellschaft Low-tension power circuit-breaker with a split insulant housing
DE8807464U1 (en) * 1987-06-09 1988-12-08 Bassani Ticino S.P.A., Mailand/Milano, It

Also Published As

Publication number Publication date
DE3850732D1 (en) 1994-08-25
EP0309924A2 (en) 1989-04-05
ATE108944T1 (en) 1994-08-15
DE3850732T2 (en) 1995-03-16
IT8722452V0 (en) 1987-09-29
IT211844Z2 (en) 1989-05-25
EP0309924B1 (en) 1994-07-20

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