EP0050187A3 - Circuit-breaker protecting against overcurrents - Google Patents

Circuit-breaker protecting against overcurrents Download PDF

Info

Publication number
EP0050187A3
EP0050187A3 EP81104965A EP81104965A EP0050187A3 EP 0050187 A3 EP0050187 A3 EP 0050187A3 EP 81104965 A EP81104965 A EP 81104965A EP 81104965 A EP81104965 A EP 81104965A EP 0050187 A3 EP0050187 A3 EP 0050187A3
Authority
EP
European Patent Office
Prior art keywords
circuit
protecting against
against overcurrents
breaker protecting
breaker
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
EP81104965A
Other languages
German (de)
Other versions
EP0050187B1 (en
EP0050187A2 (en
Inventor
Adrian W. Dr. Roth
Tibor Morva
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.)
Rockwell Automation Switzerland GmbH
Original Assignee
Sprecher und Schuh AG
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 Sprecher und Schuh AG filed Critical Sprecher und Schuh AG
Publication of EP0050187A2 publication Critical patent/EP0050187A2/en
Publication of EP0050187A3 publication Critical patent/EP0050187A3/en
Application granted granted Critical
Publication of EP0050187B1 publication Critical patent/EP0050187B1/en
Expired 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas
    • 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
    • H01H71/2454—Electromagnetic mechanisms characterised by the magnetic circuit or active magnetic elements

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
EP81104965A 1980-10-17 1981-06-26 Circuit-breaker protecting against overcurrents Expired EP0050187B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH776680 1980-10-17
CH7766/80 1980-10-17

Publications (3)

Publication Number Publication Date
EP0050187A2 EP0050187A2 (en) 1982-04-28
EP0050187A3 true EP0050187A3 (en) 1983-02-09
EP0050187B1 EP0050187B1 (en) 1985-02-20

Family

ID=4330158

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81104965A Expired EP0050187B1 (en) 1980-10-17 1981-06-26 Circuit-breaker protecting against overcurrents

Country Status (3)

Country Link
US (1) US4388507A (en)
EP (1) EP0050187B1 (en)
DE (1) DE3169025D1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0622087B2 (en) * 1987-05-25 1994-03-23 松下電工株式会社 Sealed contact device
FR2756968B1 (en) * 1996-12-09 1999-01-08 Gec Alsthom T & D Sa CIRCUIT BREAKER WITH REDUCED SF6 VOLUME

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2757261A (en) * 1951-07-19 1956-07-31 Westinghouse Electric Corp Circuit interrupters
DE2503910B2 (en) * 1975-01-31 1980-03-20 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Auto-pneumatic pressure gas switch
DE2940706A1 (en) * 1978-10-16 1980-04-24 Westinghouse Electric Corp OVERCURRENT SELF-SWITCH WITH ELECTROMAGNETIC RELEASE DEVICE

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002073A (en) * 1958-04-16 1961-09-26 Gen Electric Electric circuit interruption device and method
US3263042A (en) * 1963-02-18 1966-07-26 Westinghouse Electric Corp Electric control device with electromagnetic contact-biasing means

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2757261A (en) * 1951-07-19 1956-07-31 Westinghouse Electric Corp Circuit interrupters
DE2503910B2 (en) * 1975-01-31 1980-03-20 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Auto-pneumatic pressure gas switch
DE2940706A1 (en) * 1978-10-16 1980-04-24 Westinghouse Electric Corp OVERCURRENT SELF-SWITCH WITH ELECTROMAGNETIC RELEASE DEVICE

Also Published As

Publication number Publication date
US4388507A (en) 1983-06-14
EP0050187B1 (en) 1985-02-20
DE3169025D1 (en) 1985-03-28
EP0050187A2 (en) 1982-04-28

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