FR698527A - Improvements to circuit breakers and electrical switches - Google Patents

Improvements to circuit breakers and electrical switches

Info

Publication number
FR698527A
FR698527A FR698527DA FR698527A FR 698527 A FR698527 A FR 698527A FR 698527D A FR698527D A FR 698527DA FR 698527 A FR698527 A FR 698527A
Authority
FR
France
Prior art keywords
circuit breakers
electrical switches
switches
electrical
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR698527A publication Critical patent/FR698527A/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
    • H01H71/44—Automatic release mechanisms with or without manual release having means for introducing a predetermined time delay
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/86—Means for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts
    • H01H50/88—Mechanical means, e.g. dash-pot

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)
  • Mechanisms For Operating Contacts (AREA)
FR698527D 1929-06-08 1930-06-05 Improvements to circuit breakers and electrical switches Expired FR698527A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US369324A US1919979A (en) 1929-06-08 1929-06-08 Electric switch

Publications (1)

Publication Number Publication Date
FR698527A true FR698527A (en) 1931-01-31

Family

ID=23454993

Family Applications (1)

Application Number Title Priority Date Filing Date
FR698527D Expired FR698527A (en) 1929-06-08 1930-06-05 Improvements to circuit breakers and electrical switches

Country Status (3)

Country Link
US (1) US1919979A (en)
FR (1) FR698527A (en)
GB (1) GB351221A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2481431A (en) * 1943-08-10 1949-09-06 Ward Leonard Electric Co Shockproof electromagnetic relay
US2551373A (en) * 1947-08-02 1951-05-01 Trumbull Electric Mfg Co Electromagnetically actuated contactor with start and stop and hold-in switches
GB2173044B (en) * 1985-03-29 1989-01-18 Mitsubishi Electric Corp Electromagnetic switch with a push button switch
FR2898212B1 (en) * 2006-03-03 2008-05-16 Socomec Sa Sa AUTOMATED CONTROL MODULE FOR AN ELECTRICAL CUTTING APPARATUS AND AN ELECTRICAL CUTTING APPARATUS EQUIPPED WITH SUCH A CONTROL MODULE
CN108493072B (en) * 2018-03-19 2019-08-02 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） A kind of high current frame-type dc circuit breaker short circuit delay tunable arrangement

Also Published As

Publication number Publication date
GB351221A (en) 1931-06-25
US1919979A (en) 1933-07-25

Similar Documents

Publication Publication Date Title
FR595049A (en) Improvements made to electrical circuit breakers
FR699611A (en) Improvements to electrical contacts
FR630059A (en) Improvements made to switches and circuit breakers particularly applicable to contactors
FR698527A (en) Improvements to circuit breakers and electrical switches
FR679140A (en) Improvements to electrical circuit switches
FR697236A (en) Improvements relating to switches or circuit breakers
FR38629E (en) Improvements to electrical switches and circuit breakers
FR641149A (en) Improvements made to switches and electrical circuit breakers
FR671087A (en) Improvements to electrical switches and disconnectors
FR664733A (en) Improvements to electrical switches and circuit breakers
FR722668A (en) Electrical circuit breakers
FR668998A (en) Improvements to circuit breakers and electrical switches
FR622741A (en) Improvements to electrical switches and circuit breakers
FR633335A (en) Improvements made to electrical circuit breakers
FR668708A (en) Improvements to electrical circuit switches
FR634664A (en) Improvements to electrical switches and circuit breakers
FR680685A (en) Improvements to electrical switches
FR693293A (en) Improvements to electrical switches
FR652534A (en) Improvements made to electrical switches and disconnectors
FR703632A (en) Improvements to electrical circuit breakers
FR592763A (en) Improvements to electrical circuit breakers
GB333008A (en) Improvements relating to electric circuit breakers
FR679347A (en) Improvements made to electrical circuit breakers
FR663189A (en) Improvements to electrical switches or circuit breakers
FR644586A (en) Improvements to electrical circuit breakers