EP0523420A3 - - Google Patents

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Publication number
EP0523420A3
EP0523420A3 EP19920110723 EP92110723A EP0523420A3 EP 0523420 A3 EP0523420 A3 EP 0523420A3 EP 19920110723 EP19920110723 EP 19920110723 EP 92110723 A EP92110723 A EP 92110723A EP 0523420 A3 EP0523420 A3 EP 0523420A3
Authority
EP
European Patent Office
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
EP19920110723
Other versions
EP0523420B1 (en
EP0523420A2 (en
Inventor
Stefan Kranz
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of EP0523420A2 publication Critical patent/EP0523420A2/en
Publication of EP0523420A3 publication Critical patent/EP0523420A3/xx
Application granted granted Critical
Publication of EP0523420B1 publication Critical patent/EP0523420B1/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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2472—Electromagnetic mechanisms with rotatable armatures
    • 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
    • H01H71/1081—Modifications for selective or back-up protection; Correlation between feeder and branch circuit breaker
    • 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
    • H01H71/44—Automatic release mechanisms with or without manual release having means for introducing a predetermined time delay
    • H01H71/446—Automatic release mechanisms with or without manual release having means for introducing a predetermined time delay making use of an inertia mass

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Breakers (AREA)
EP19920110723 1991-07-13 1992-06-25 Short-circuit instantaneous trip mechanism Expired - Lifetime EP0523420B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19914123297 DE4123297C1 (en) 1991-07-13 1991-07-13
DE4123297 1991-07-13

Publications (3)

Publication Number Publication Date
EP0523420A2 EP0523420A2 (en) 1993-01-20
EP0523420A3 true EP0523420A3 (en) 1994-08-03
EP0523420B1 EP0523420B1 (en) 1996-12-11

Family

ID=6436106

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920110723 Expired - Lifetime EP0523420B1 (en) 1991-07-13 1992-06-25 Short-circuit instantaneous trip mechanism

Country Status (2)

Country Link
EP (1) EP0523420B1 (en)
DE (1) DE4123297C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6864450B1 (en) * 2004-05-19 2005-03-08 Eaton Corporation Circuit breaker with delay mechanism

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780694A (en) * 1953-10-30 1957-02-05 Westinghouse Electric Corp Circuit breaker
US2813170A (en) * 1955-06-09 1957-11-12 Westinghouse Electric Corp Circuit breaker
US2849565A (en) * 1954-07-22 1958-08-26 Ite Circuit Breaker Ltd Short time delay defeater during closing stroke of circuit breaker
US3940723A (en) * 1973-05-21 1976-02-24 Terasaki Denki Sangyo Kabushiki Kaisha Instantaneously tripping device for circuit interrupter
EP0125043A1 (en) * 1983-04-11 1984-11-14 Mitsubishi Denki Kabushiki Kaisha Static type switch disconnect circuit and power distribution system including said circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2511948C3 (en) * 1975-03-19 1978-05-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Current limiting circuit breaker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780694A (en) * 1953-10-30 1957-02-05 Westinghouse Electric Corp Circuit breaker
US2849565A (en) * 1954-07-22 1958-08-26 Ite Circuit Breaker Ltd Short time delay defeater during closing stroke of circuit breaker
US2813170A (en) * 1955-06-09 1957-11-12 Westinghouse Electric Corp Circuit breaker
US3940723A (en) * 1973-05-21 1976-02-24 Terasaki Denki Sangyo Kabushiki Kaisha Instantaneously tripping device for circuit interrupter
EP0125043A1 (en) * 1983-04-11 1984-11-14 Mitsubishi Denki Kabushiki Kaisha Static type switch disconnect circuit and power distribution system including said circuit

Also Published As

Publication number Publication date
EP0523420B1 (en) 1996-12-11
DE4123297C1 (en) 1993-04-29
EP0523420A2 (en) 1993-01-20

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