EP3029704B1 - Fehlerstromschutzschalter - Google Patents

Fehlerstromschutzschalter Download PDF

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Publication number
EP3029704B1
EP3029704B1 EP15306903.4A EP15306903A EP3029704B1 EP 3029704 B1 EP3029704 B1 EP 3029704B1 EP 15306903 A EP15306903 A EP 15306903A EP 3029704 B1 EP3029704 B1 EP 3029704B1
Authority
EP
European Patent Office
Prior art keywords
differential
circuit breaker
switch
contact
test
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.)
Active
Application number
EP15306903.4A
Other languages
English (en)
French (fr)
Other versions
EP3029704A1 (de
Inventor
Hassan Essadik
Julien WICKER
Antoine SCHWAAB
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.)
Hager Electro SAS
Original Assignee
Hager Electro SAS
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 Hager Electro SAS filed Critical Hager Electro SAS
Publication of EP3029704A1 publication Critical patent/EP3029704A1/de
Application granted granted Critical
Publication of EP3029704B1 publication Critical patent/EP3029704B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01H9/46—Means for extinguishing or preventing arc between current-carrying parts using arcing horns
    • 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/526—Manual reset mechanisms which may be also used for manual release actuated by lever the lever forming a toggle linkage with a second lever, the free end of which is directly and releasably engageable with a contact structure
    • 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
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/346—Details concerning the arc formation chamber
    • 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
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H2009/347—Stationary parts for restricting or subdividing the arc, e.g. barrier plate using lids for closing the arc chamber after assembly

Definitions

  • the present application relates to a modular differential circuit breaker.
  • Circuit breakers of this type can include at least one cut-off compartment and one differential protection compartment, the cut-off compartment (s) having a mechanism for opening and closing at least one electrical contact between an upstream electrical line. and a downstream power line.
  • Differential circuit breakers can include test functions to test the correct operation of the differential protection compartment.
  • the differential protection compartment then comprises a test circuit, the test circuit comprising a first switch which can be closed by pressing a test button.
  • This test can be done by pressing the test button which has the effect of closing the test circuit which simulates a differential fault which triggers the triggering of the differential module of the product, generally this differential fault is produced by a leakage current between the neutral and at least one phase of the product, this current flowing through a resistor having the effect of limiting the leakage current.
  • the circuit breaker comprises a connecting piece mounted inside the differential protection compartment and which makes it possible to mechanically connect the breaking compartment (s) to each other thanks to at least one lateral lug, preferably two lateral lugs.
  • the connecting piece can protrude on either side of the differential protection compartment and can penetrate into the cut-off compartments located, if necessary, on either side of the differential protection compartment.
  • the connecting piece can actuate the opening of the contact of the breaking compartments in the event of a differential fault by means of its lateral lugs.
  • the document AT 384 906 B discloses a differential circuit breaker according to the preamble of claim 1.
  • circuit breakers known from the prior art have the drawback of leaving the test circuit active after mechanical opening of the contacts of the breaking compartments and / or after a fault. differential, and thus unnecessarily allows current to flow through the test circuit when the test button is pressed for a long time, which could result in the destruction of the test function by damaging a resistance of the test function.
  • the object of this application is to overcome these drawbacks.
  • the application proposes a differential circuit breaker comprising a differential protection compartment and a connecting piece mounted inside the differential protection compartment, said differential circuit breaker further comprising a test circuit capable of testing the correct operation of the protection compartment.
  • said test circuit comprising a first switch which can be opened and / or closed by pressing a test button and the differential circuit breaker further comprising cut-off compartments having an opening and closing mechanism.
  • test circuit further comprises a second switch which can be opened by said connecting piece when the contact of the cut-off compartments is (are) open and / or when the differential protection compartment detects a fault.
  • the connecting piece can deactivate the test circuit during a mechanical opening of the cut-off compartments and / or by the differential protection compartment during a differential fault.
  • the connecting piece can be adapted to allow the establishment of good contact of the test circuit in the differential compartment, that is to say to close the test circuit (second switch closed, possibility of performing the test function).
  • the connecting piece physically opens the test circuit (second switch open and thus protects it from a short-circuit in the event of prolonged pressing and closing of the test button contact).
  • the test button is pressed, the first switch of the test button is closed, but since the second switch is open, the test function is deactivated.
  • the connecting piece can deactivate the test circuit during a mechanical opening of the cut-off compartments and / or by the differential protection compartment during a differential fault.
  • the first switch and the second switch are connected in series.
  • the second switch comprises a first contact element and a second contact element, the connecting piece being able to move the first contact element away from the second contact element in order to open the second switch by resting against the first element. of contact.
  • the first contact element being rotatably mounted in a case of the differential circuit breaker.
  • the request relates to a circuit breaker 210 comprising a test circuit comprising a first switch 220 which can be opened and / or closed by pressing a test button 222 and a second switch 230 which can be opened and / or closed by a connecting piece 250.
  • the connecting piece 250 closes the second switch 230 when the contact of the cut-off compartment (s) is (are) closed.
  • the connecting piece 250 opens the second switch 230 when the contact of the cut-off compartment (s) is (are) open.
  • the first switch 220 and the second switch 230 are connected in series.
  • the connecting piece 250 can deactivate the test circuit during a mechanical opening of the cut-off compartments and / or by the differential protection compartment during a differential fault.
  • the connecting piece 250 is mounted inside the differential protection compartment and makes it possible to mechanically connect the cut-off compartments to one another by virtue of at least two lateral lugs 251, 251 ′.
  • the connecting piece 250 protrudes on either side of the differential protection compartment and enters the compartments circuit breakers located on either side of the differential protection compartment.
  • the part connection 250 can be adapted to allow the establishment of good contact of the test circuit in the differential compartment, that is to say to close the test circuit (second switch 220 closed, possibility of performing the test function).
  • the part link 250 physically opens the test circuit (second switch open and thus protects it from a short-circuit in the event of prolonged pressing and closing of the contact of test button 222).
  • the test button 222 is pressed, the first switch 220 of the test button 222 is closed, but since the second switch 230 is open, the test function is deactivated.
  • the second switch 230 may include a first contact element 231 and a second contact element 232.
  • the first contact element 231 can be moved away from the second contact element 232 to open the second switch 230.
  • the connecting piece 250 can move away. the first contact element 231 of the second contact element 232 by bearing against the first contact element 231.
  • the first contact element 231 can be rotatably mounted in a housing 211 of the differential circuit breaker 210.
  • the connecting piece can deactivate the test circuit during a mechanical opening of the cut-off compartments and / or by the differential protection compartment during a differential fault.

Landscapes

  • Breakers (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Emergency Protection Circuit Devices (AREA)

Claims (4)

  1. Fehlerstromschutzschalter, umfassend einen Differenzialschutzraum und ein Verbindungsstück (250), das im Inneren des Differenzialschutzraums montiert ist,
    wobei der Fehlerstromschutzschalter (210) ferner eine Prüfschaltung umfasst, die den ordnungsgemäßen Betrieb des Differenzialschutzraums prüfen kann, wobei die Prüfschaltung einen ersten Unterbrecher (220) aufweist, der durch Drücken eines Prüfschalters (222) geöffnet und/oder geschlossen werden kann, und wobei der Fehlerstromschutzschalter ferner Ausschalträume umfasst, die einen Mechanismus zum Öffnen und Schließen mindestens eines elektrischen Kontakts zwischen einer vorgeschalteten und einer nachgeschalteten elektrischen Leitung aufweisen, dadurch gekennzeichnet, dass sich das Verbindungsstück (250) einerseits über beide Seiten des Differenzialschutzraums hinaus erstreckt und in die Ausschalträume, die sich auf beiden Seiten des Differenzialschutzraums befinden, eintritt, und andererseits dank lateraler Stifte (251, 251') ein mechanisches Miteinanderverbinden der Ausschalträume gestattet und bei einem Differenzialfehler mittels seiner lateralen Stifte (251, 251') ein Öffnen des Kontakts der Ausschalträume aktivieren kann, und dass die Prüfschaltung ferner einen zweiten Unterbrecher (230) aufweist, der durch das Verbindungsstück (250) geöffnet werden kann, wenn der Kontakt der Ausschalträume geöffnet wird und/oder wenn der Differenzialschutzraum einen Fehler detektiert.
  2. Fehlerstromschutzschalter nach Anspruch 1, dadurch gekennzeichnet, dass der Unterbrecher (230) ferner durch das Verbindungsstück (250) geschlossen werden kann, wenn der Kontakt der Ausschalträume geschlossen wird.
  3. Fehlerstromschutzschalter nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass der zweite Unterbrecher (230) ein erstes Kontaktelement (231) und ein zweites Kontaktelement (232) aufweist, wobei das Verbindungsstück (250) das erste Kontaktelement (231) von dem zweiten Kontaktelement (232) entfernen kann, um den zweiten Unterbrecher (230) durch Anlage an das erste Kontaktelement (231) zu öffnen.
  4. Fehlerstromschutzschalter nach Anspruch 3, dadurch gekennzeichnet, dass das erste Kontaktelement (231) drehbar in einem Gehäuse (211) des Fehlerstromschutzschalters (210) montiert ist.
EP15306903.4A 2014-12-01 2015-12-01 Fehlerstromschutzschalter Active EP3029704B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1461738A FR3029350B1 (fr) 2014-12-01 2014-12-01 Dispositif de protection differentielle

Publications (2)

Publication Number Publication Date
EP3029704A1 EP3029704A1 (de) 2016-06-08
EP3029704B1 true EP3029704B1 (de) 2021-03-31

Family

ID=52589548

Family Applications (5)

Application Number Title Priority Date Filing Date
EP15306902.6A Active EP3029703B1 (de) 2014-12-01 2015-12-01 Schutzschalter, bevorzugt fehlerstromschutzschalter
EP15820215.0A Active EP3227901B1 (de) 2014-12-01 2015-12-01 Differenzialschutzvorrichtung
EP15306904.2A Active EP3029705B1 (de) 2014-12-01 2015-12-01 Herstellungsverfahren eines elektrischen geräts, das mindestens zwei elektrische funktionen sicherstellt
EP15306905.9A Active EP3029706B1 (de) 2014-12-01 2015-12-01 Unterbrechungsvorrichtung und modularer fehlerstromschutzschalter, der mindestens eine solche unterbrechungsvorrichtung umfasst
EP15306903.4A Active EP3029704B1 (de) 2014-12-01 2015-12-01 Fehlerstromschutzschalter

Family Applications Before (4)

Application Number Title Priority Date Filing Date
EP15306902.6A Active EP3029703B1 (de) 2014-12-01 2015-12-01 Schutzschalter, bevorzugt fehlerstromschutzschalter
EP15820215.0A Active EP3227901B1 (de) 2014-12-01 2015-12-01 Differenzialschutzvorrichtung
EP15306904.2A Active EP3029705B1 (de) 2014-12-01 2015-12-01 Herstellungsverfahren eines elektrischen geräts, das mindestens zwei elektrische funktionen sicherstellt
EP15306905.9A Active EP3029706B1 (de) 2014-12-01 2015-12-01 Unterbrechungsvorrichtung und modularer fehlerstromschutzschalter, der mindestens eine solche unterbrechungsvorrichtung umfasst

Country Status (4)

Country Link
EP (5) EP3029703B1 (de)
AU (1) AU2015356923B2 (de)
FR (1) FR3029350B1 (de)
WO (1) WO2016087768A1 (de)

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH604363A5 (en) * 1976-09-10 1978-09-15 Landis & Gyr Ag Electrical cut=out relay
FR2378344A1 (fr) * 1977-01-25 1978-08-18 Telemecanique Electrique Piece de soufflage
AT384120B (de) * 1985-12-02 1987-10-12 Felten & Guilleaume Ag Oester Fehlerstrom- und leitungsschutzschalter
FR2616583B1 (fr) 1987-06-09 1995-01-06 Merlin Gerin Mecanisme de commande d'un disjoncteur electrique miniature
EP0338930A1 (de) * 1988-04-22 1989-10-25 Hager Electro S.A. Lastschalter oder Differential-Lastschalter
FR2661776B1 (fr) 1990-05-04 1996-05-10 Merlin Gerin Declencheur instantane d'un disjoncteur.
FR2663153B1 (fr) * 1990-06-07 1992-09-11 Legrand Sa Dispositif de declenchement differentiel.
FR2686453B1 (fr) * 1992-01-17 1994-04-08 Legrand Interrupteur differentiel.
FR2701335B1 (fr) * 1993-02-09 1995-04-14 Merlin Gerin Bloc de protection différentielle avec sous ensemble fonctionnel testable.
US5920451A (en) * 1997-09-05 1999-07-06 Carlingswitch, Inc. Earth leakage circuit breaker assembly
FR2777110B1 (fr) 1998-04-03 2000-06-23 Legrand Sa Disjoncteur differentiel multipolaire
FR2811805B1 (fr) * 2000-07-13 2002-08-30 Schneider Electric Ind Sa Appareil de protection electrique differentiel
FR2828329B1 (fr) * 2001-07-31 2003-12-12 Legrand Sa Dispositif pour l'extinction d'un arc electrique
DE10230094B4 (de) * 2002-07-04 2004-06-24 Siemens Ag Lichtbogen-Löschvorrichtung
FR2865582B1 (fr) * 2004-01-22 2006-03-10 Schneider Electric Ind Sas Dispositif de protection differentielle avec moyens de reglage simplifies des parametres de protection
AT509838A2 (de) * 2010-03-19 2011-11-15 Moeller Gebaeudeautomation Gmbh Fehlerstromschutzschalter
CN103380476B (zh) * 2011-02-16 2016-05-25 伊顿工业（奥地利）有限公司 故障电流保护开关
DE102012111615A1 (de) * 2012-11-29 2014-06-05 Eaton Industries (Austria) Gmbh Fehlerstromschutzschalter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2016087768A1 (fr) 2016-06-09
EP3029705B1 (de) 2020-11-04
FR3029350A1 (fr) 2016-06-03
EP3029706B1 (de) 2020-11-04
AU2015356923A1 (en) 2017-07-20
EP3227901A1 (de) 2017-10-11
EP3227901B1 (de) 2019-07-10
EP3029706A1 (de) 2016-06-08
EP3029703A1 (de) 2016-06-08
AU2015356923B2 (en) 2020-03-12
FR3029350B1 (fr) 2016-12-23
EP3029705A1 (de) 2016-06-08
EP3029703B1 (de) 2018-01-31
EP3029704A1 (de) 2016-06-08

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