FR2261614A1 - High sensitivity mechanical relay or contact breaker - for use in differential switching circuits - Google Patents

High sensitivity mechanical relay or contact breaker - for use in differential switching circuits

Info

Publication number
FR2261614A1
FR2261614A1 FR7404971A FR7404971A FR2261614A1 FR 2261614 A1 FR2261614 A1 FR 2261614A1 FR 7404971 A FR7404971 A FR 7404971A FR 7404971 A FR7404971 A FR 7404971A FR 2261614 A1 FR2261614 A1 FR 2261614A1
Authority
FR
France
Prior art keywords
high sensitivity
switching circuits
mechanical relay
contact breaker
differential switching
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
FR7404971A
Other languages
French (fr)
Other versions
FR2261614B3 (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.)
Societe Franccaise Gardy SA
Original Assignee
Societe Franccaise Gardy 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 Societe Franccaise Gardy SA filed Critical Societe Franccaise Gardy SA
Priority to FR7404971A priority Critical patent/FR2261614A1/en
Priority to ZA00750868*A priority patent/ZA75868B/en
Priority to DE19752505867 priority patent/DE2505867A1/en
Priority to BE153292A priority patent/BE825453A/en
Priority to SE7501594A priority patent/SE7501594L/xx
Publication of FR2261614A1 publication Critical patent/FR2261614A1/en
Application granted granted Critical
Publication of FR2261614B3 publication Critical patent/FR2261614B3/fr
Granted 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
    • H01H71/32—Electromagnetic mechanisms having permanently magnetised part
    • H01H71/321—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements
    • H01H71/323—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements with rotatable armature

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Breakers (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Electromagnets (AREA)

Abstract

High sensitivity magnetically operated circuit breaker is often utilised in association with current transformers and as differential current detectors requiring sensitivity to very low field levels. The switch consists of a fixed armature in the form of a 'U' one of the branches of which carries an energising winding. Set parallel to the non-wound leg is a parallel piped rod permanent magnet which is connected magnetically to the base of the 'U'. Resting on the outer edge of the unwound leg, and trapped there mechanically, is the moving element in the form of a shaped bar carrying a spring against which it works, the fulcrum being the 'U' edge.
FR7404971A 1974-02-14 1974-02-14 High sensitivity mechanical relay or contact breaker - for use in differential switching circuits Granted FR2261614A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7404971A FR2261614A1 (en) 1974-02-14 1974-02-14 High sensitivity mechanical relay or contact breaker - for use in differential switching circuits
ZA00750868*A ZA75868B (en) 1974-02-14 1975-01-11 High-sensitivity electromagnetic trip device
DE19752505867 DE2505867A1 (en) 1974-02-14 1975-02-12 HIGHLY SENSITIVE ELECTROMAGNETIC TRIGGER
BE153292A BE825453A (en) 1974-02-14 1975-02-12 HIGH SENSITIVITY ELECTROMAGNETIC RELEASE
SE7501594A SE7501594L (en) 1974-02-14 1975-02-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7404971A FR2261614A1 (en) 1974-02-14 1974-02-14 High sensitivity mechanical relay or contact breaker - for use in differential switching circuits

Publications (2)

Publication Number Publication Date
FR2261614A1 true FR2261614A1 (en) 1975-09-12
FR2261614B3 FR2261614B3 (en) 1976-11-26

Family

ID=9134894

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7404971A Granted FR2261614A1 (en) 1974-02-14 1974-02-14 High sensitivity mechanical relay or contact breaker - for use in differential switching circuits

Country Status (5)

Country Link
BE (1) BE825453A (en)
DE (1) DE2505867A1 (en)
FR (1) FR2261614A1 (en)
SE (1) SE7501594L (en)
ZA (1) ZA75868B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0026804A1 (en) * 1979-10-06 1981-04-15 Felten & Guilleaume Energietechnik GmbH Hermetically closed release mechanism with permanent magnet for protective fault current switch
FR2588692A1 (en) * 1985-10-15 1987-04-17 Elettrocondutture Polarised electromagnetic actuator structure
EP0301935A1 (en) * 1987-07-28 1989-02-01 Merlin Gerin Highly sensitive electromagnetic tripping device and production thereof
EP0306383A1 (en) * 1987-09-03 1989-03-08 Merlin Gerin Magnetic tripper with knife articulation
NL1010974C2 (en) * 1999-01-06 2000-07-07 Holec Holland Nv Trip system for an electric switch with favorable power-way characteristic.

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0026804A1 (en) * 1979-10-06 1981-04-15 Felten & Guilleaume Energietechnik GmbH Hermetically closed release mechanism with permanent magnet for protective fault current switch
FR2588692A1 (en) * 1985-10-15 1987-04-17 Elettrocondutture Polarised electromagnetic actuator structure
EP0301935A1 (en) * 1987-07-28 1989-02-01 Merlin Gerin Highly sensitive electromagnetic tripping device and production thereof
FR2618941A1 (en) * 1987-07-28 1989-02-03 Merlin Gerin HIGH SENSITIVITY ELECTROMAGNETIC TRIGGER AND MANUFACTURING METHOD THEREOF
EP0306383A1 (en) * 1987-09-03 1989-03-08 Merlin Gerin Magnetic tripper with knife articulation
FR2620264A1 (en) * 1987-09-03 1989-03-10 Merlin Gerin MAGNETIC TRIGGER WITH KNIFE ARTICULATION
NL1010974C2 (en) * 1999-01-06 2000-07-07 Holec Holland Nv Trip system for an electric switch with favorable power-way characteristic.
WO2000041201A1 (en) * 1999-01-06 2000-07-13 Holec Holland N.V. Trip system for an electrical switch having a favourable force-path-characteristic
AU753125B2 (en) * 1999-01-06 2002-10-10 Eaton Electric N.V. Trip system for an electrical switch having a favourable force-path-characteristic
US6768626B1 (en) 1999-01-06 2004-07-27 Holec Holland N.V. Trip system for an electrical switch having a favorable force-path-characteristic

Also Published As

Publication number Publication date
SE7501594L (en) 1975-08-15
BE825453A (en) 1975-05-29
ZA75868B (en) 1976-01-28
DE2505867A1 (en) 1975-08-28
FR2261614B3 (en) 1976-11-26

Similar Documents

Publication Publication Date Title
ES526863A0 (en) LOW VOLTAGE CURRENT CUTTING DEVICE
ES430451A1 (en) Automatic protective circuit breaker
GB883430A (en) Improvements in or relating to electrical switching devices
FR2261614A1 (en) High sensitivity mechanical relay or contact breaker - for use in differential switching circuits
US3046370A (en) Electromagnetic relay
US2913688A (en) Switching devices
NO179960C (en) Tripping device for an electrical switch
ATE6710T1 (en) ELECTROMAGNETIC SWITCHING DEVICE.
US3461354A (en) Magnetic remote control switch
ATE179023T1 (en) ELECTRICAL LOAD SWITCH
US3863182A (en) Magnetically operated electrical switch
ES441080A1 (en) Circuit breaker with improved trip means
GB1316889A (en) Electrical remote-control switch
GB842960A (en) Improvements in or relating to electric relays employing magnetic contacts in sealed protective-tubes
FR2370354A1 (en) Circuit breaker polarised differential trip - has several coils wound on magnetic circuit to generate differential flux of specified direction
GB908166A (en) Improvements relating to miniature electromagnetic relays
FR2326828A1 (en) Vehicle lighting or signalling circuit fault detector - uses magnetically operated switch in magnetic field of two opposite wound coils
FR2354626A2 (en) Push button operated safety switch - has contact actuating lever in form of rigid magnetisable swivelling armature
SU634393A1 (en) Electromagnetic relay
GB1182692A (en) Improvements in or relating to Electromagnetic Relays
GB979464A (en) Improvements relating to electro-mechanical switching device
SE8800398L (en) switchgear
GB907519A (en) A sealed magnetic contact device
FR2340610A1 (en) Push button operated safety switch - has contact actuating lever in form of rigid magnetisable swivelling armature
GB548472A (en) Improvements relating to electric circuit breakers having magnetic blow-outs

Legal Events

Date Code Title Description
ST Notification of lapse