ZA755579B - An improvement in or relating to circuit breaker with improved trip means - Google Patents

An improvement in or relating to circuit breaker with improved trip means

Info

Publication number: ZA755579B
Authority: ZA; South Africa
Prior art keywords: relating; improvement; circuit breaker; trip means; improved trip
Prior art date: 1974-09-25

Application number

ZA00755579A

Other languages

English (en)

Inventor

S Mrenna

Original Assignee

Westinghouse Electric Corp

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.)

1974-09-25

Filing date

1975-09-02

Publication date

1976-08-25

1975-09-02 Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp

1976-08-25 Publication of ZA755579B publication Critical patent/ZA755579B/xx

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
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/40—Combined electrothermal and electromagnetic mechanisms

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Breakers (AREA)

ZA00755579A 1974-09-25 1975-09-02 An improvement in or relating to circuit breaker with improved trip means ZA755579B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/509,169 US3959754A (en)	1974-09-25	1974-09-25	Circuit breaker with improved trip means

Publications (1)

Publication Number	Publication Date
ZA755579B true ZA755579B (en)	1976-08-25

Family

ID=24025587

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA00755579A ZA755579B (en)	1974-09-25	1975-09-02	An improvement in or relating to circuit breaker with improved trip means

Country Status (11)

Country	Link
US (1)	US3959754A (fr)
JP (2)	JPS5160960A (fr)
AU (1)	AU500334B2 (fr)
BE (1)	BE833748A (fr)
BR (1)	BR7506121A (fr)
CA (1)	CA1029780A (fr)
ES (1)	ES441080A1 (fr)
FR (1)	FR2286494A1 (fr)
GB (1)	GB1516154A (fr)
IT (1)	IT1050982B (fr)
ZA (1)	ZA755579B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4503408A (en) *	1982-11-10	1985-03-05	Westinghouse Electric Corp.	Molded case circuit breaker apparatus having trip bar with flexible armature interconnection
ZA885260B (en) *	1987-04-21	1989-04-26	Circuit Breaker Ind	An electric circuit breaker
DE4202122C2 (de) *	1992-01-27	1994-08-25	Kloeckner Moeller Gmbh	Auslöseeinrichtung für Schaltgeräte
US6087914A (en) *	1996-12-19	2000-07-11	Siemens Energy & Automation, Inc.	Circuit breaker combination thermal and magnetic trip actuator
US5844188A (en) *	1996-12-19	1998-12-01	Siemens Energy & Automation, Inc.	Circuit breaker with improved trip mechanism
US5894260A (en) *	1996-12-19	1999-04-13	Siemens Energy & Automation, Inc.	Thermal sensing bi-metal trip actuator for a circuit breaker
US5866996A (en) *	1996-12-19	1999-02-02	Siemens Energy & Automation, Inc.	Contact arm with internal in-line spring
US5910758A (en) *	1997-12-08	1999-06-08	Eaton Corporation	Miniature circuit breaker with shunt trip device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3110786A (en) *	1959-11-03	1963-11-12	Westinghouse Electric Corp	Electromagnetic thermal current circuit breaker
US3213249A (en) *	1961-08-02	1965-10-19	Westinghouse Electric Corp	Circuit breaker with spring operating mechanism
US3200217A (en) *	1962-03-27	1965-08-10	Westinghouse Electric Corp	Circuit breaker with thermal and magnetic trip means
US3278707A (en) *	1964-10-22	1966-10-11	Gen Electric	Circuit breaker with ambient-temperature compensating means

1974
- 1974-09-25 US US05/509,169 patent/US3959754A/en not_active Expired - Lifetime
1975
- 1975-09-02 ZA ZA00755579A patent/ZA755579B/xx unknown
- 1975-09-11 CA CA235,206A patent/CA1029780A/fr not_active Expired
- 1975-09-15 GB GB37804/75A patent/GB1516154A/en not_active Expired
- 1975-09-18 ES ES441080A patent/ES441080A1/es not_active Expired
- 1975-09-23 AU AU85105/75A patent/AU500334B2/en not_active Expired
- 1975-09-23 BR BR7506121*A patent/BR7506121A/pt unknown
- 1975-09-24 FR FR7529240A patent/FR2286494A1/fr not_active Withdrawn
- 1975-09-24 BE BE160312A patent/BE833748A/fr unknown
- 1975-09-24 IT IT41698/75A patent/IT1050982B/it active
- 1975-09-25 JP JP50114935A patent/JPS5160960A/ja active Pending
1979
- 1979-03-19 JP JP1979034403U patent/JPS54133373U/ja active Pending

Also Published As

Publication number	Publication date
FR2286494A1 (fr)	1976-04-23
US3959754A (en)	1976-05-25
ES441080A1 (es)	1977-06-16
GB1516154A (en)	1978-06-28
IT1050982B (it)	1981-03-20
CA1029780A (fr)	1978-04-18
BE833748A (fr)	1976-03-24
JPS54133373U (fr)	1979-09-14
BR7506121A (pt)	1976-08-03
AU8510575A (en)	1977-03-31
JPS5160960A (fr)	1976-05-27
AU500334B2 (en)	1979-05-17

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