GB1483635A - Electrical current limiting device - Google Patents

Electrical current limiting device

Info

Publication number
GB1483635A
GB1483635A GB4867474A GB4867474A GB1483635A GB 1483635 A GB1483635 A GB 1483635A GB 4867474 A GB4867474 A GB 4867474A GB 4867474 A GB4867474 A GB 4867474A GB 1483635 A GB1483635 A GB 1483635A
Authority
GB
United Kingdom
Prior art keywords
contacts
contact
arc
current limiting
gas
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
GB4867474A
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.)
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
Original Assignee
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
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 BBC Brown Boveri AG Switzerland, BBC Brown Boveri France SA filed Critical BBC Brown Boveri AG Switzerland
Publication of GB1483635A publication Critical patent/GB1483635A/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
    • H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
    • H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
    • H01H77/10—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening
    • H01H77/107—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by the blow-off force generating means, e.g. current loops
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
    • H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
    • H01H2077/025—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with pneumatic means, e.g. by arc pressure

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Circuit Breakers (AREA)
GB4867474A 1973-11-12 1974-11-11 Electrical current limiting device Expired GB1483635A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1587773A CH566640A5 (US20020095090A1-20020718-M00002.png) 1973-11-12 1973-11-12

Publications (1)

Publication Number Publication Date
GB1483635A true GB1483635A (en) 1977-08-24

Family

ID=4412711

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4867474A Expired GB1483635A (en) 1973-11-12 1974-11-11 Electrical current limiting device

Country Status (5)

Country Link
JP (1) JPS5079741A (US20020095090A1-20020718-M00002.png)
CH (1) CH566640A5 (US20020095090A1-20020718-M00002.png)
DE (2) DE2360773A1 (US20020095090A1-20020718-M00002.png)
FR (1) FR2251094B3 (US20020095090A1-20020718-M00002.png)
GB (1) GB1483635A (US20020095090A1-20020718-M00002.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112840430A (zh) * 2018-08-02 2021-05-25 威洛科技有限公司 接触器

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55106546U (US20020095090A1-20020718-M00002.png) * 1979-01-22 1980-07-25
US4407630A (en) * 1979-01-22 1983-10-04 Setsuo Toda Work feed method in a press
DE2937490A1 (de) * 1979-09-17 1981-04-02 Siemens AG, 1000 Berlin und 8000 München Strombegrenzer
EP2814049A1 (en) * 2013-06-11 2014-12-17 ABB Technology AG Drive mechanism for a switching device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112840430A (zh) * 2018-08-02 2021-05-25 威洛科技有限公司 接触器

Also Published As

Publication number Publication date
DE2360773A1 (de) 1975-05-15
CH566640A5 (US20020095090A1-20020718-M00002.png) 1975-09-15
FR2251094B3 (US20020095090A1-20020718-M00002.png) 1977-08-12
DE7343364U (de) 1975-10-16
JPS5079741A (US20020095090A1-20020718-M00002.png) 1975-06-28
FR2251094A1 (US20020095090A1-20020718-M00002.png) 1975-06-06

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee