GB1089971A - Improvements in electric circuit breakers - Google Patents

Improvements in electric circuit breakers

Info

Publication number
GB1089971A
GB1089971A GB879965A GB879965A GB1089971A GB 1089971 A GB1089971 A GB 1089971A GB 879965 A GB879965 A GB 879965A GB 879965 A GB879965 A GB 879965A GB 1089971 A GB1089971 A GB 1089971A
Authority
GB
United Kingdom
Prior art keywords
contacts
silver
arcing
march
switch
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.)
Expired
Application number
GB879965A
Other languages
English (en)
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
Allmanna Svenska Elektriska AB
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 ASEA AB, Allmanna Svenska Elektriska AB filed Critical ASEA AB
Publication of GB1089971A publication Critical patent/GB1089971A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/38—Auxiliary contacts on to which the arc is transferred from the main contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/46—Means for extinguishing or preventing arc between current-carrying parts using arcing horns

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
GB879965A 1964-03-03 1965-03-02 Improvements in electric circuit breakers Expired GB1089971A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE256564A SE300250B (da) 1964-03-03 1964-03-03

Publications (1)

Publication Number Publication Date
GB1089971A true GB1089971A (en) 1967-11-08

Family

ID=20260187

Family Applications (1)

Application Number Title Priority Date Filing Date
GB879965A Expired GB1089971A (en) 1964-03-03 1965-03-02 Improvements in electric circuit breakers

Country Status (5)

Country Link
DE (1) DE1258955B (da)
DK (1) DK111497B (da)
FI (1) FI45388C (da)
GB (1) GB1089971A (da)
SE (1) SE300250B (da)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2652199A1 (fr) * 1989-09-19 1991-03-22 Telemecanique Dispositif interrupteur avec boucles de courant assistant le developpement de l'arc.
EP0492456A2 (en) * 1990-12-28 1992-07-01 Mitsubishi Denki Kabushiki Kaisha Switch

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE464158B (sv) * 1989-07-04 1991-03-11 Asea Brown Boveri Kontaktanordning foer elkopplare

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE534048A (da) * 1953-12-11

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2652199A1 (fr) * 1989-09-19 1991-03-22 Telemecanique Dispositif interrupteur avec boucles de courant assistant le developpement de l'arc.
EP0419324A1 (fr) * 1989-09-19 1991-03-27 Telemecanique Dispositif interrupteur avec boucles de courant assistant le développement de l'arc
EP0492456A2 (en) * 1990-12-28 1992-07-01 Mitsubishi Denki Kabushiki Kaisha Switch
EP0492456A3 (en) * 1990-12-28 1993-01-20 Mitsubishi Denki Kabushiki Kaisha Switch
US5313031A (en) * 1990-12-28 1994-05-17 Mitsubishi Denki Kabushiki Kaisha Electric switch gear with improved stationary contact configuration

Also Published As

Publication number Publication date
FI45388C (fi) 1972-05-10
FI45388B (da) 1972-01-31
SE300250B (da) 1968-04-22
DE1258955B (de) 1968-01-18
DK111497B (da) 1968-09-02

Similar Documents

Publication Publication Date Title
ATE14169T1 (de) Lichtbogen-loeschvorrichtung fuer elektrische strombegrenzungsschalter.
GB702834A (en) Improvements in or relating to a method of electrical arc-extinction in electric circuit-breakers
GB883430A (en) Improvements in or relating to electrical switching devices
GB1151572A (en) Improvements in or relating to Circuit Breaker Apparatus
GB1197706A (en) Circuit Interrupter with Improved Contact Structure and Arc-Runner.
GB1197705A (en) Circuit Breaker with Improved Contact Structure.
US3046370A (en) Electromagnetic relay
GB1518422A (en) Circuit-breaker
GB967412A (en) Electromagnetic switching assembly
GB1490143A (en) Magnetically operable electric switches
GB1089971A (en) Improvements in electric circuit breakers
GB1424912A (en) Electrical power distribuition system having a current-limiting selective protective arrangement
GB1023518A (en) Electrical switching arrangement
GB1048717A (en) Magnetically operated sealed electric switch unit
US3307126A (en) Encapsulated magnetic switch
US2875302A (en) Circuit interrupter
GB1198493A (en) Polarised Electromagnetic Relays
GB1474476A (en) Circuit-breakers with magnetic arc driving systems
GB933547A (en) Overload circuit breaker for high currents
GB1220693A (en) Magnetic snap action electric switches
GB979464A (en) Improvements relating to electro-mechanical switching device
GB1462087A (en) Contact arrangements for electrical switches
GB911934A (en) Electric circuit breaker
GB804660A (en) Improvements in electric circuit-breakers having magnetic blowouts
GB909057A (en) A contact arrangement for electric switchgear