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 circuitsInfo
- 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
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.
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)
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. |
-
1974
- 1974-02-14 FR FR7404971A patent/FR2261614A1/en active Granted
-
1975
- 1975-01-11 ZA ZA00750868*A patent/ZA75868B/en unknown
- 1975-02-12 BE BE153292A patent/BE825453A/en unknown
- 1975-02-12 DE DE19752505867 patent/DE2505867A1/en active Pending
- 1975-02-13 SE SE7501594A patent/SE7501594L/xx unknown
Cited By (10)
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 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |