CA988973A - Circuit interrupter protective device - Google Patents

Circuit interrupter protective device

Info

Publication number: CA988973A
Authority: CA; Canada
Prior art keywords: protective device; circuit interrupter; interrupter protective; circuit; protective
Prior art date: 1973-03-27
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.): Expired

Application number

CA194,821A

Inventor

William I. Stephenson (Jr.)

Alfred E. Maier

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.)

CBS Corp

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.)

1973-03-27

Filing date

1974-03-13

Publication date

1976-05-11

1974-03-13 Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp

1976-05-11 Application granted granted Critical

1976-05-11 Publication of CA988973A publication Critical patent/CA988973A/en

Status Expired legal-status Critical Current

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
- 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
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H71/7418—Adjusting both electrothermal and electromagnetic mechanism
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H69/00—Apparatus or processes for the manufacture of emergency protective devices
- H01H69/01—Apparatus or processes for the manufacture of emergency protective devices for calibrating or setting of devices to function under predetermined conditions
- H01H2069/013—Apparatus or processes for the manufacture of emergency protective devices for calibrating or setting of devices to function under predetermined conditions with calibrating screws in trip bar
- 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
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H2071/7481—Means for adjusting the conditions under which the device will function to provide protection with indexing means for magnetic or thermal tripping adjustment knob

Landscapes

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

CA194,821A 1973-03-27 1974-03-13 Circuit interrupter protective device Expired CA988973A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US00345394A US3815064A (en)	1973-03-27	1973-03-27	Circuit interrupter protective device

Publications (1)

Publication Number	Publication Date
CA988973A true CA988973A (en)	1976-05-11

Family

ID=23354867

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA194,821A Expired CA988973A (en)	1973-03-27	1974-03-13	Circuit interrupter protective device

Country Status (12)

Country	Link
US (1)	US3815064A (en)
JP (1)	JPS543319Y2 (en)
AR (1)	AR201138A1 (en)
BE (1)	BE812803A (en)
BR (1)	BR7402411D0 (en)
CA (1)	CA988973A (en)
DE (2)	DE7410505U (en)
ES (1)	ES424702A1 (en)
FR (1)	FR2223822A1 (en)
GB (1)	GB1461813A (en)
IT (1)	IT1007668B (en)
ZA (1)	ZA741666B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4201901A (en) *	1978-03-20	1980-05-06	Amana Refrigeration, Inc.	Adjustable safety interlock for microwave ovens
US4691182A (en) *	1986-04-30	1987-09-01	Westinghouse Electric Corp.	Circuit breaker with adjustable magnetic trip unit
US4719438A (en)	1986-09-30	1988-01-12	Westinghouse Electric Corp.	Circuit breaker with fast trip unit
DE3810043A1 (en) *	1988-03-22	1989-10-05	Siemens Ag	METHOD AND DEVICE FOR ADJUSTING A BIMETAL TRIGGER
US4922220A (en) *	1989-03-22	1990-05-01	Westinghouse Electric Corp.	Adjustable circuit breaker thermal trip unit
US6104273A (en) *	1999-06-09	2000-08-15	General Electric Company	Calibration assembly and process for use in a circuit protective device
US6667675B2 (en)	2002-05-01	2003-12-23	Eaton Corporation	Adjustable magnetic trip assembly for circuit breaker
US20090115556A1 (en) *	2007-11-05	2009-05-07	Square D Company	Divided adjustable armature for a circuit breaker
FR3007573B1 (en) *	2013-06-20	2015-07-17	Schneider Electric Ind Sas	TRIGGER AND METHOD FOR MANUFACTURING SUCH TRIGGER
KR101708545B1 (en) *	2015-01-05	2017-02-21	엘에스산전 주식회사	Instant trip apparatus of molded case circuit breaker

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3593234A (en) *	1970-02-09	1971-07-13	Cutler Hammer Inc	Trip adjustment means for instantaneous trip circuit breaker

1973
- 1973-03-27 US US00345394A patent/US3815064A/en not_active Expired - Lifetime
1974
- 1974-03-13 ZA ZA00741666A patent/ZA741666B/en unknown
- 1974-03-13 CA CA194,821A patent/CA988973A/en not_active Expired
- 1974-03-18 GB GB1196274A patent/GB1461813A/en not_active Expired
- 1974-03-21 AR AR252896A patent/AR201138A1/en active
- 1974-03-25 BE BE1005823A patent/BE812803A/en unknown
- 1974-03-26 DE DE7410505U patent/DE7410505U/en not_active Expired
- 1974-03-26 DE DE2414512A patent/DE2414512A1/en active Pending
- 1974-03-27 FR FR7410540A patent/FR2223822A1/fr not_active Withdrawn
- 1974-03-27 BR BR2411/74A patent/BR7402411D0/en unknown
- 1974-03-27 ES ES424702A patent/ES424702A1/en not_active Expired
- 1974-03-27 JP JP1974034011U patent/JPS543319Y2/ja not_active Expired
- 1974-04-08 IT IT20868/74A patent/IT1007668B/en active

Also Published As

Publication number	Publication date
BR7402411D0 (en)	1974-11-19
GB1461813A (en)	1977-01-19
DE2414512A1 (en)	1974-10-10
ZA741666B (en)	1975-02-26
US3815064A (en)	1974-06-04
FR2223822A1 (en)	1974-10-25
DE7410505U (en)	1974-07-18
ES424702A1 (en)	1976-06-16
JPS543319Y2 (en)	1979-02-15
IT1007668B (en)	1976-10-30
AR201138A1 (en)	1975-02-14
AU6693274A (en)	1975-09-25
BE812803A (en)	1974-09-25
JPS49149259U (en)	1974-12-24

Publication	Publication Date	Title
CA1018615A (en)	1977-10-04	Over-current protection circuit
CA1032226A (en)	1978-05-30	Overvoltage protection circuit
CA1001699A (en)	1976-12-14	Circuit protector
CA1008905A (en)	1977-04-19	Circuit protector
CA953420A (en)	1974-08-20	Tripping circuit for static switches
AU467907B2 (en)	1975-12-18	Circuit breaker
CA998079A (en)	1976-10-05	Circuit interrupter protective device
CA994901A (en)	1976-08-10	High-tension circuit breaker
AU448069B2 (en)	1974-05-09	Circuit breaker
CA983157A (en)	1976-02-03	Circuit interrupter protective device
CA984498A (en)	1976-02-24	Circuit breaker including improved overcurrent protective device
CA988973A (en)	1976-05-11	Circuit interrupter protective device
CA984435A (en)	1976-02-24	Compact circuit breaker
AU482919B2 (en)	1974-07-25	An improved switching device
CA1031855A (en)	1978-05-23	Protective circuit
CA1032598A (en)	1978-06-06	Current limiting circuit interrupter device
CA1008965A (en)	1977-04-19	High voltage protection circuit
AU445838B2 (en)	1974-03-07	Circuit breaker
CA984499A (en)	1976-02-24	Circuit breaker including improved protective device
CA1010565A (en)	1977-05-17	Voltage protection circuit
CA973914A (en)	1975-09-02	Circuit interrupter
CA993485A (en)	1976-07-20	Electric circuit interrupter
CA988972A (en)	1976-05-11	Circuit interrupter with induction type trip unit
CA1002168A (en)	1976-12-21	Circuit breaker
CA915302A (en)	1972-11-21	Circuit breaker including improved overcurrent protective device