FR721451A - Improvements to circuit breakers and particularly to fast acting circuit breakers for direct current - Google Patents

Improvements to circuit breakers and particularly to fast acting circuit breakers for direct current

Info

Publication number
FR721451A
FR721451A FR721451DA FR721451A FR 721451 A FR721451 A FR 721451A FR 721451D A FR721451D A FR 721451DA FR 721451 A FR721451 A FR 721451A
Authority
FR
France
Prior art keywords
circuit breakers
direct current
fast acting
acting circuit
breakers
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
Other languages
French (fr)
Inventor
Paul-Joseph Branchu
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.)
Merlin Gerin SA
Original Assignee
Merlin Gerin 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 Merlin Gerin SA filed Critical Merlin Gerin SA
Application granted granted Critical
Publication of FR721451A publication Critical patent/FR721451A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
FR721451D 1930-06-27 1931-06-23 Improvements to circuit breakers and particularly to fast acting circuit breakers for direct current Expired FR721451A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE721451X 1930-06-27

Publications (1)

Publication Number Publication Date
FR721451A true FR721451A (en) 1932-03-03

Family

ID=6629691

Family Applications (1)

Application Number Title Priority Date Filing Date
FR721451D Expired FR721451A (en) 1930-06-27 1931-06-23 Improvements to circuit breakers and particularly to fast acting circuit breakers for direct current

Country Status (1)

Country Link
FR (1) FR721451A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1073600B (en) * 1960-01-21 LICENTIA Patent Verwaltungs GmbH Frankfurt/M Triggering device for switches with special high-speed switches
DE1077767B (en) * 1958-07-23 1960-03-17 Felten & Guilleaume Carlswerk Double-sided magnetic quick release
DE1116787B (en) * 1956-02-08 1961-11-09 Siemens Ag Current limiter in the form of a sliding resistor
DE1122153B (en) * 1958-02-10 1962-01-18 Zd Y V I Plzen Narodnipodnik Electrodynamic drive device for chisels
DE1128007B (en) * 1961-03-04 1962-04-19 Continental Elektro Ind Ag Circuit breaker
DE1150147B (en) * 1959-05-30 1963-06-12 Siemens Ag Electric impact tool
US4118681A (en) * 1976-05-12 1978-10-03 Merlin Gerin High-speed current-limiting device having a contact reclosing retarding member
FR2423053A2 (en) * 1978-04-11 1979-11-09 Merlin Gerin Magnetic repulsion based switch - has ferromagnetic plate close to magnetic circuit air gap on opposite side of armature
EP0009454A1 (en) * 1978-09-21 1980-04-02 Legrand Circuit breaker with an electrodynamic tripping device
US6819205B2 (en) 2000-10-27 2004-11-16 Siemens Aktiengesellschaft Current limiting low-voltage power circuit breaker
DE19740422B4 (en) * 1997-09-10 2005-10-06 Siemens Ag Current-limiting low-voltage circuit breaker

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1073600B (en) * 1960-01-21 LICENTIA Patent Verwaltungs GmbH Frankfurt/M Triggering device for switches with special high-speed switches
DE1116787B (en) * 1956-02-08 1961-11-09 Siemens Ag Current limiter in the form of a sliding resistor
DE1122153B (en) * 1958-02-10 1962-01-18 Zd Y V I Plzen Narodnipodnik Electrodynamic drive device for chisels
DE1077767B (en) * 1958-07-23 1960-03-17 Felten & Guilleaume Carlswerk Double-sided magnetic quick release
DE1150147B (en) * 1959-05-30 1963-06-12 Siemens Ag Electric impact tool
DE1128007B (en) * 1961-03-04 1962-04-19 Continental Elektro Ind Ag Circuit breaker
US4118681A (en) * 1976-05-12 1978-10-03 Merlin Gerin High-speed current-limiting device having a contact reclosing retarding member
FR2423053A2 (en) * 1978-04-11 1979-11-09 Merlin Gerin Magnetic repulsion based switch - has ferromagnetic plate close to magnetic circuit air gap on opposite side of armature
EP0009454A1 (en) * 1978-09-21 1980-04-02 Legrand Circuit breaker with an electrodynamic tripping device
DE19740422B4 (en) * 1997-09-10 2005-10-06 Siemens Ag Current-limiting low-voltage circuit breaker
US6819205B2 (en) 2000-10-27 2004-11-16 Siemens Aktiengesellschaft Current limiting low-voltage power circuit breaker

Similar Documents

Publication Publication Date Title
FR721451A (en) Improvements to circuit breakers and particularly to fast acting circuit breakers for direct current
FR725619A (en) Improvements to electrical switches
FR630059A (en) Improvements made to switches and circuit breakers particularly applicable to contactors
FR749883A (en) Improvements relating to electrical circuit breakers
FR698527A (en) Improvements to circuit breakers and electrical switches
FR714400A (en) Improvements in electrical disconnectors, more particularly disconnectors for high voltage lines
FR831601A (en) High voltage circuit breaker
FR671087A (en) Improvements to electrical switches and disconnectors
FR660693A (en) Improvements to electrical switches and circuit breakers
FR698980A (en) DC circuit breaker
FR669348A (en) Improvements to automatic reclosing electrical circuit breakers
FR712923A (en) Switch for three-phase current
FR641149A (en) Improvements made to switches and electrical circuit breakers
FR662340A (en) Fast circuit breaker for direct current
FR664733A (en) Improvements to electrical switches and circuit breakers
FR714450A (en) Improvement in electrical circuit breakers
FR716521A (en) Improvements to fuse elements for electrical circuit breakers
FR756098A (en) Improvements to electrical circuit breakers
FR791221A (en) Improvements to fuse electrical circuit breakers
FR612981A (en) Current limiter circuit breaker
FR724877A (en) Improvements to electrical mercury circuit breakers
FR693556A (en) Improvements to electrical switches
FR622741A (en) Improvements to electrical switches and circuit breakers
FR710780A (en) Improvements to electrical contacts
FR550563A (en) Automatic and continuous charging circuit breaker