EP1898436A2 - Connector device for connecting to an electric switching device - Google Patents

Connector device for connecting to an electric switching device Download PDF

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Publication number
EP1898436A2
EP1898436A2 EP07017179A EP07017179A EP1898436A2 EP 1898436 A2 EP1898436 A2 EP 1898436A2 EP 07017179 A EP07017179 A EP 07017179A EP 07017179 A EP07017179 A EP 07017179A EP 1898436 A2 EP1898436 A2 EP 1898436A2
Authority
EP
European Patent Office
Prior art keywords
plug
contact
switching device
opening
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
EP07017179A
Other languages
German (de)
French (fr)
Other versions
EP1898436A3 (en
EP1898436B1 (en
Inventor
Oliver Knörrchen
Stephan Stanke
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.)
Eaton Industries GmbH
Original Assignee
Moeller GmbH
Kloeckner Moeller GmbH
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 Moeller GmbH, Kloeckner Moeller GmbH filed Critical Moeller GmbH
Publication of EP1898436A2 publication Critical patent/EP1898436A2/en
Publication of EP1898436A3 publication Critical patent/EP1898436A3/en
Application granted granted Critical
Publication of EP1898436B1 publication Critical patent/EP1898436B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2675—Electrical interconnections between two blocks, e.g. by means of busbars
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5855—Electric connections to or between contacts; Terminals characterised by the use of a wire clamping screw or nut
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5866—Electric connections to or between contacts; Terminals characterised by the use of a plug and socket connector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/14—Terminal arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/4833—Sliding arrangements, e.g. sliding button
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H01R4/485—Single busbar common to multiple springs

Definitions

  • the invention relates to a plug-in device for plugging on an electrical switching device, in particular for a contactor.
  • connection techniques in contactors, in which connecting cables are connected via screw or spring terminals to the switching device.
  • tools for attaching and detaching the connection cables, tools, generally screwdrivers, must be used.
  • Tool-free connectable devices are also known.
  • plug devices There are at a plug-in part (plug-in device) at least one pair of locking elements are present, the direction of action are in line, and at the other mating connector at least a pair of receiving elements for the locking elements of the plug device are present, the direction of action lie in the same line.
  • a latching, releasable positive connection takes place between the latching elements arranged on the plug-in device and the receiving elements.
  • An example of such plug devices with locking devices can be found in the DE 19535836 A1 ,
  • the inventive arrangement consists of a plug-in device for an electrical switching device, wherein the at least one supply terminal is formed as an externally accessible switching contact carrier of the switching apparatus of the switching device, and on the plug device, a second contact is present, which is associated with a second plug-in opening.
  • This second contact is preferably formed in a slot-shaped opening.
  • the second contact comprises a contactor independent of the first contact and does not contact a supply terminal on the switching device, but serves to contact a contact independent of the switching device, wherein the independent contact is preferably designed to receive a conductor designed as a flat rail.
  • the slot-shaped opening is made transversely to the body (housing) of the plug-in device and accessible on the side of the plug-in device, which faces the access side of the switching device.
  • the electrical potential of the feed connection belonging to the first contact should be different from the electrical potential of the independent connection belonging to the second contact, in which case ground potential is preferably contacted.
  • a flat rail of all arranged on the shooters plug devices can be added, so that it is possible to make a potential connection to the flat rail (so-called PE rail) via each plug-in device.
  • the second contact may be formed as a sliding contact and is present on the side of the plug-in device, which faces the access side of the switching device.
  • a push-in terminal for a cable strand is formed in the first and / or in the second plug-in opening, wherein the first and / or the second plug-in opening can be equipped with an unlocking device for an inserted cable strand.
  • the plug-in device may be formed in single-phase or multi-phase. For a multi-phase device, it makes sense to form three floating plug contacts each in the plug-in device for plugging onto a supply connection.
  • the structure of the plug-in device may consist of two separable housing parts.
  • a housing part for receiving the second contact is present in the plug-in device, which is designed separable from the main body of the plug-in device.
  • the connection of the housing parts can be designed by a dovetail guide, whereby a quick change of the parts is made possible.
  • the base body carries the corresponding to the receiving elements on the switching device locking elements.
  • the pair of receiving elements on the switching device may be formed as a first undercut on the access side and as a second undercut on a perpendicular to the access side of the switching device.
  • the second undercut may be formed as an access opening for a clamping screw of the terminal clamp.
  • the switch contact carrier on the switching device should be designed as a contact of a terminal terminal.
  • the plug-in device should in particular be designed for plugging onto a switching device present as a contactor.
  • Fig. 1 shows schematically the spatial assignment of a plug-in device (10,10a) (in section) to a switching device 80 (in partial section).
  • a switching device 80 here is shown, for example, a contactor, are shown in which substantially: the access side (surface A1) with openings 84, the top A2 (perpendicular to the surface A1), the clamping mechanism (86, 88), the exposed contact carrier (82, 83), a housing edge (89) and the bottom plate 81.
  • the plug-in device has a plug contact 12 designed as a tulip contact, which is associated with the switch contact carrier 82 in the access side A1 of the switching device 80.
  • the plug-in devices are characterized in that they provide a further access to a contactor (82, 83) independent contact (24) via a second plug-in opening 25 'is provided.
  • a contactor 82, 83
  • ground conductor should be contacted. It is for this purpose formed in the plug-in devices of the independent contact 24 in a slot-shaped opening 22 which is formed transversely to the body (housing) of the plug-in device and accessible on the side of the plug-in device. It is the access side A1 of the switching device 80 facing side of the plug-in device.
  • the electrical contact to the Flat rail can be made in each plug-in device by inserting a stranded wire or a conductor 44 in the second plug-in opening 25 'as needed.
  • the second plug-in opening 25 ' can also be associated with an unlocking device as well as the first plug-in opening 25, which can be actuated by inserting an unlocking tool into the opening 26'.
  • the switching device has - as usual, but not shown in the drawing - a switching device.
  • Part of the switching apparatus is formed as a busbar 83 switch contact carrier 82.
  • On the contactor 80 is the drawing section especially the switch contact carrier 82, the insertion opening 84, the clamping screw 88 for the double-decker frame clamp 86 and the access opening AE for the clamping screw 88 recognizable.
  • the switch contact carrier 82 is accessible on the access surface A1.
  • the switch contact carrier 82 is formed as a center contact of a double-decker clamp.
  • the opening 84 in the outwardly projecting end of the switch contact carrier is freely accessible.
  • As a terminal a single terminal can be used, in which by the clamping screw 88, a pressure plate in the direction of the switch contact carrier 82 is movable, whereby an inserted strand would be clamped.
  • Plug-in devices 10, 10a, 20 consist of a body in which at least one first plug-in opening 25 is designed to receive feed lines 40.
  • the plug devices differ in that they are either single-phase (FIGS. 2A, 3, 4A) or multi-phase (see FIG. 2B, three-phase).
  • a multi-phase training are several plug-in openings 25 side by side, corresponding to the supply terminals to the switching device.
  • an unlocking device may be present.
  • the Entriegel beautiful is in the opening (26, 26 ') accessible with a simple tool.
  • a tool-free Entriegel announced 27 is indicated. The unlocking is done by pressing a protruding push button.
  • different receiving elements AE are present as counterparts to the latching elements arranged on the plug devices.
  • the respective pairs of reciprocal receiving elements AE are at least one opening 87 on the upper side A2 and an edge 89 (parallel to the bottom plate 81) on the front side A1; or in other combination: at least one opening 87 on the upper side A2 and a web 89 'in the lower part of the switching device.
  • the associated latching elements on the plug-in device would be the pair of latching elements 16 and 18a (see FIG.
  • the individual elements of the pairs of receiving elements (AE) and the individual elements of the pair of locking elements act against each other force-locking.
  • the line of action of a reciprocal pair of latching and receiving elements may be horizontal, vertical or oblique.
  • the reciprocity is also determined by a latching measure, which is indicated by the reference numeral RM in the connector 10a in Fig. 2A. Another measure shown is the depth ST at which the contact 12 can be inserted into the switching device (into the opening 84).
  • the access opening AE (a circular bore for the clamping screw 88 of the double-decker frame clamp) acts here as a first undercut (see arrow RF4), the other reciprocal, the undercut 89 (see arrow RF3).
  • an angle is formed at an angle - as a lever arm - a resilient latching element (14, 14 a) is formed.
  • the resilient property is achieved by material dilution, a narrow web of material or by forming a film hinge.
  • the latching element (14, 14a) can thereby be operated manually resiliently when latching or unlocking.
  • the length of the lever arm and the distance of the locking elements 16 to the switching device and their shape are designed so that an optimal engagement can take place in the receiving elements AE to the switching device (contactor).
  • a plug-in device 20 is shown in Fig. 4A and 4B, in which a housing part 20b from the main body 20a of the plug-in device 20 is designed separable.
  • the connection of the housing parts is realized by a dovetail guide 28a, 28b, whereby a quick change of the parts is made possible.
  • FIG. 4A shows the situation in the inserted position and
  • FIG. 4B shows the separate situation of the housing part 20b.
  • the substantially formed as a contact carrier housing part 20b is shown in section, whereby the contacting of the lead 44 and the arrangement of the flat rail in the contact 24 is visible.
  • a locking element 18b on the housing base 20a is visible, which engages the lower edge 89 (see also Fig. 1, right).

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The plug connector(10,10a) has a floating plug contact (12) for the plugging-on to an inlet connection, a plug opening for an inlet leading to the plug contact. The inlet connection is formed as a switching contact carrier (82,83), accessible from outside, of the switching unit of a switching mechanism (80). Another contact (24) is provided at the plug connector, where another plug opening is assigned.

Description

Technisches GebietTechnical area

Die Erfindung betrifft eine Steckvorrichtung zum Stecken auf eine elektrische Schaltvorrichtung, insbesondere für ein Schütz.The invention relates to a plug-in device for plugging on an electrical switching device, in particular for a contactor.

Stand der TechnikState of the art

Bekannt sind bei elektrischen Schaltvorrichtungen, insbesondere Anschlusstechniken bei Schützen, bei denen Anschlussleitungen über Schraub- oder Federklemmen an die Schaltvorrichtung angeschlossen werden. Für das Anbringen und Lösen der Anschlussleitungen müssen Werkzeuge, im allgemeinen Schraubendreher, eingesetzt werden.Are known in electrical switching devices, in particular connection techniques in contactors, in which connecting cables are connected via screw or spring terminals to the switching device. For attaching and detaching the connection cables, tools, generally screwdrivers, must be used.

Werkzeuglos verbindbare Vorrichtungen sind ebenfalls bekannt. So gibt es vielfach elektrischen Vorrichtungen, denen Steckvorrichtungen zugeordnet sind. Dort sind an einem Steckteil (Steckvorrichtung) mindestens ein Paar Rastelemente vorhanden, deren Wirkungsrichtung in einer Linie liegen, und an dem anderen Gegensteckteil sind mindestens ein Paar Aufnahmeelemente für die Rastelemente der Steckvorrichtung vorhanden, deren Wirkungsrichtung in derselben Linie liegen. Ein rastender, lösbarer Formschluss erfolgt zwischen den an der Steckvorrichtung angeordneten Rastelementen und den Aufnahmeelementen. Ein Beispiel solcher Steckvorrichtungen mit Rasteinrichtungen findet sich in der DE 19535836 A1 .Tool-free connectable devices are also known. Thus, there are many electrical devices, which are associated with plug devices. There are at a plug-in part (plug-in device) at least one pair of locking elements are present, the direction of action are in line, and at the other mating connector at least a pair of receiving elements for the locking elements of the plug device are present, the direction of action lie in the same line. A latching, releasable positive connection takes place between the latching elements arranged on the plug-in device and the receiving elements. An example of such plug devices with locking devices can be found in the DE 19535836 A1 ,

Darstellung der ErfindungPresentation of the invention

Es ist die Aufgabe der Erfindung, eine Steckvorrichtung mit Rasteinrichtungen für eine elektrische Schaltvorrichtung anzugeben, bei der keine Änderungen zur Aufnahme der Steckvorrichtung, das heißt keine zusätzliche Anbringung von Aufnahmeelementen, vorgenommen werden muss und bei der mindestens zwei unabhängige Kontakte ausgebildet sind und die Kontaktierung der Kontakte mit einfachen Mitteln möglich ist.It is the object of the invention to provide a plug-in device with locking devices for an electrical switching device, in which no changes to accommodate the plug-in device, that is no additional attachment of receiving elements must be made and in which at least two independent contacts are formed and the contacting of Contacts with simple means is possible.

Die Lösung der Aufgabe findet sich im Kennzeichen des Hauptanspruchs. Weiterführende Ausbildungen sind in den Unteransprüchen formuliert.The solution of the problem can be found in the characterizing part of the main claim. Further education are formulated in the subclaims.

Die erfindungsgemäße Anordnung besteht aus einer Steckvorrichtung für eine elektrische Schaltvorrichtung, wobei der mindestens eine Zuleitungsanschluss als ein von außen zugänglicher Schaltkontaktträger des Schaltapparats der Schaltvorrichtung ausgebildet ist, und an der Steckvorrichtung ein zweiter Kontakt vorhanden ist, dem eine zweite Stecköffnung zugeordnet ist.The inventive arrangement consists of a plug-in device for an electrical switching device, wherein the at least one supply terminal is formed as an externally accessible switching contact carrier of the switching apparatus of the switching device, and on the plug device, a second contact is present, which is associated with a second plug-in opening.

Dieser zweite Kontakt ist vorzugsweise in einer schlitzförmigen Öffnung ausgebildet. Der zweite Kontakt umfasst eine vom ersten Kontakt unabhängige (eigene) Kontaktiereinrichtung und kontaktiert keinen Zuleitungsanschluss an der Schaltvorrichtung, sondern dient dem Kontakt eines von der Schaltvorrichtung unabhängigen Kontakts, wobei der unabhängige Kontakt vorzugsweise für die Aufnahme eines als Flachschiene ausgebildeten Leiters ausgebildet ist. Die schlitzförmige Öffnung ist quer zum Körper (Gehäuse) der Steckvorrichtung ausgeführt und auf der Seite der Steckvorrichtung zugänglich, die der Zugangsseite der Schaltvorrichtung zugewandt ist. Das elektrische Potential des zum ersten Kontakt gehörenden Zuleitungsanschlusses soll vom elektrischen Potential des zum zweiten Kontakt gehörenden unabhängigen Anschlusses verschieden sein, vorzugsweise wird dabei Massepotential kontaktiert.This second contact is preferably formed in a slot-shaped opening. The second contact comprises a contactor independent of the first contact and does not contact a supply terminal on the switching device, but serves to contact a contact independent of the switching device, wherein the independent contact is preferably designed to receive a conductor designed as a flat rail. The slot-shaped opening is made transversely to the body (housing) of the plug-in device and accessible on the side of the plug-in device, which faces the access side of the switching device. The electrical potential of the feed connection belonging to the first contact should be different from the electrical potential of the independent connection belonging to the second contact, in which case ground potential is preferably contacted.

Mit der Erfindung ist eine schnelle Austauschbarkeit von Grundkomponenten einer Schaltvorrichtung, beispielsweise bei Motorstarter-Kombinationen möglich, weil der Verdrahtungsaufwand reduziert ist und Zusatzhalterungen an Trag- oder Adapterschienen, insbesondere als Zugentlastungen für Zuleitungen wegfallen können. Ebenso ist die Betriebnahme schneller machbar, da weniger Handhabungsschritte vorgenommen werden müssen.With the invention, rapid replacement of basic components of a switching device, for example in motor starter combinations possible because the wiring is reduced and additional brackets on support or adapter rails, especially as strain relief for supply lines can be omitted. Likewise, the operation is faster feasible because fewer handling steps must be made.

In einer Reihe (beispielsweise in einem Schaltschrank) nebeneinander angeordneter Schütze kann eine Flachschiene von allen an den Schützen angeordneten Steckvorrichtungen aufgenommen sein, so dass es möglich ist, über jede Steckvorrichtung eine Potentialverbindung zur Flachschiene (sogenannte PE-Schiene) vorzunehmen.In a row (for example in a control cabinet) arranged side by side contactors, a flat rail of all arranged on the shooters plug devices can be added, so that it is possible to make a potential connection to the flat rail (so-called PE rail) via each plug-in device.

Weitere vorzugsweisen Ausgestaltungen werden im folgenden formuliert, wobei diese einzeln oder in Kombination miteinander verwirklicht sein können.Further preferred embodiments are formulated below, which may be implemented individually or in combination with each other.

Der zweite Kontakt kann als Schleifkontakt ausgebildet sein und ist auf der Seite der Steckvorrichtung vorhanden, die der Zugangsseite der Schaltvorrichtung zugewandt ist.The second contact may be formed as a sliding contact and is present on the side of the plug-in device, which faces the access side of the switching device.

In der ersten und/oder in der zweiten Stecköffnung eine Push-in-Klemme für eine Kabellitze ausgebildet ist, wobei die erste und/oder die zweite Stecköffnung mit einer Entriegeleinrichtung für eine eingeführte Kabellitze ausgestattet sein kann.A push-in terminal for a cable strand is formed in the first and / or in the second plug-in opening, wherein the first and / or the second plug-in opening can be equipped with an unlocking device for an inserted cable strand.

Die Steckvorrichtung kann einphasig oder mehrphasig ausgebildet sein. Für eine mehrphasige Vorrichtung bietet es sich an, in der Steckvorrichtung drei schwimmende Steckkontakte je für das Aufstecken auf einen Zuleitungsanschluss auszubilden.The plug-in device may be formed in single-phase or multi-phase. For a multi-phase device, it makes sense to form three floating plug contacts each in the plug-in device for plugging onto a supply connection.

Der Aufbau der Steckvorrichtung kann aus zwei voneinander trennbaren Gehäuseteilen bestehen. Somit ist in der Steckvorrichtung ein Gehäuseteil zur Aufnahme des zweiten Kontakts vorhanden, welches vom Grundkörper der Steckvorrichtung trennbar gestaltet ist. Die Verbindung der Gehäuseteile kann durch eine Schwalbenschwanz-Führung gestaltet sein, wodurch ein schneller Wechsel der Teile ermöglicht wird.The structure of the plug-in device may consist of two separable housing parts. Thus, a housing part for receiving the second contact is present in the plug-in device, which is designed separable from the main body of the plug-in device. The connection of the housing parts can be designed by a dovetail guide, whereby a quick change of the parts is made possible.

Bezüglich der Aufnahme- und der korrespondieren Rastelemente ist vorgesehen, dass der Grundkörper die zu den Aufnahmenelementen an der Schaltvorrichtung korrespondierenden Rastelemente trägt. Am Gehäuseteil mit dem zweiten Kontakt sind keine Rastelemente vorhanden.With regard to the receiving and the corresponding latching elements is provided that the base body carries the corresponding to the receiving elements on the switching device locking elements. On the housing part with the second contact no locking elements are present.

Das Paar Aufnahmeelemente an der Schaltvorrichtung kann als eine erste Hinterschneidung an der Zugangsseite und als eine zweite Hinterschneidung an einer senkrecht zur Zugangsseite liegenden Seite der Schaltvorrichtung ausgebildet sein. Die zweite Hinterschneidung kann als Zugangsöffnung für eine Klemmschraube der Anschluss-Klemme ausgebildet sein.The pair of receiving elements on the switching device may be formed as a first undercut on the access side and as a second undercut on a perpendicular to the access side of the switching device. The second undercut may be formed as an access opening for a clamping screw of the terminal clamp.

Der Schaltkontaktträger an der Schaltvorrichtung sollte als Kontakt einer Anschluss-Klemme ausgebildet sein.The switch contact carrier on the switching device should be designed as a contact of a terminal terminal.

Wie schon erwähnt, soll die Steckvorrichtung insbesondere für das Aufstecken auf ein als Schütz vorhandene Schaltvorrichtung ausgebildet sein.As already mentioned, the plug-in device should in particular be designed for plugging onto a switching device present as a contactor.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Weitere Einzelheiten und Vorteile der Erfindung ergeben sich aus den folgenden, anhand von Figuren erläuterten Ausführungsbeispielen. Es zeigen

Figur 1:
eine schematische Zuordnung von Steckvorrichtung und Schaltvorrichtung;
Figur 2A und 2B:
eine erste, einphasige und eine zweite, dreiphasige Steckvorrichtung;
Figur 3:
eine einphasige Steckvorrichtung in gesteckter Position und
Figur 4A und 4B:
eine weitere Steckvorrichtung mit einem lösbaren Kontakthalter.
Further details and advantages of the invention will become apparent from the following, with reference to figures explained embodiments. Show it
FIG. 1:
a schematic assignment of plug-in device and switching device;
FIGS. 2A and 2B:
a first, single-phase and a second, three-phase plug-in device;
FIG. 3:
a single-phase plug-in device in the inserted position and
FIGS. 4A and 4B:
another plug-in device with a detachable contact holder.

Bester Weg zur Ausführung der ErfindungBest way to carry out the invention

Die Fig. 1 zeigt schematisch die räumliche Zuordnung einer Steckvorrichtung (10,10a) (im Schnitt) zu einer Schaltvorrichtung 80 (im Teilschnitt). Als Schaltvorrichtung 80 wird hier beispielsweise ein Schütz gezeigt, bei dem im wesentlichen dargestellt sind: die Zugangsseite (Fläche A1) mit Öffnungen 84, die Oberseite A2 (senkrecht zur Fläche A1), der Klemm-Mechanismus (86, 88), der freiliegende Kontaktträger (82, 83), eine Gehäusekante (89) und die Bodenplatte 81.Fig. 1 shows schematically the spatial assignment of a plug-in device (10,10a) (in section) to a switching device 80 (in partial section). As a switching device 80 here is shown, for example, a contactor, are shown in which substantially: the access side (surface A1) with openings 84, the top A2 (perpendicular to the surface A1), the clamping mechanism (86, 88), the exposed contact carrier (82, 83), a housing edge (89) and the bottom plate 81.

Die Steckvorrichtung hat einen als Tulpenkontakt ausgebildeten Steckkontakt 12, der dem Schaltkontaktträger 82 in der Zugangsseite A1 der Schaltvorrichtung 80 zugeordnet ist.The plug-in device has a plug contact 12 designed as a tulip contact, which is associated with the switch contact carrier 82 in the access side A1 of the switching device 80.

Die Steckvorrichtungen zeichnen sich dadurch aus, dass an ihnen ein weiterer Zugang zu einem von Schützkontakt (82, 83) unabhängiger Kontakt (24) über eine zweite Stecköffnung 25' vorgesehen ist. Vorzugsweise soll ein als Flachschiene 50 ausgebildeter Masseleiter kontaktierbar sein. Es ist dafür in den Steckvorrichtungen der unabhängige Kontakt 24 in einer schlitzförmigen Öffnung 22 ausgebildet, der quer zum Körper (Gehäuse) der Steckvorrichtung ausgeführt und auf der Seite der Steckvorrichtung zugänglich ist. Es handelt sich um die der Zugangsseite A1 der Schaltvorrichtung 80 zugewandten Seite der Steckvorrichtung. Der elektrische Kontakt zur Flachschiene kann bei Bedarf in jeder Steckvorrichtung durch Einführen einer Litze oder eines Leiters 44 in die zweite Stecköffnung 25' vorgenommen werden. Der zweiten Stecköffnung 25' kann ebenso wie bei der ersten Stecköffnung 25 auch eine Entriegeleinrichtung zugeordnet sein, die durch Einführen eines Entriegelwerkzeugs in die Öffnung 26' betätigt werden kann.The plug-in devices are characterized in that they provide a further access to a contactor (82, 83) independent contact (24) via a second plug-in opening 25 'is provided. Preferably, designed as a flat rail 50 ground conductor should be contacted. It is for this purpose formed in the plug-in devices of the independent contact 24 in a slot-shaped opening 22 which is formed transversely to the body (housing) of the plug-in device and accessible on the side of the plug-in device. It is the access side A1 of the switching device 80 facing side of the plug-in device. The electrical contact to the Flat rail can be made in each plug-in device by inserting a stranded wire or a conductor 44 in the second plug-in opening 25 'as needed. The second plug-in opening 25 'can also be associated with an unlocking device as well as the first plug-in opening 25, which can be actuated by inserting an unlocking tool into the opening 26'.

Die Schaltvorrichtung hat - wie üblich, jedoch in der Zeichnung nicht dargestellt - einen Schaltapparat. Bestandteil des Schaltapparats ist der als Stromschiene 83 ausgebildete Schaltkontaktträger 82. An dem Schütz 80 ist durch den zeichnerischen Schnitt besonders der Schaltkontaktträger 82, die Einführungsöffnung 84, die Klemmschraube 88 für die Doppelstockrahmen-Klemme 86 und die Zugangsöffnung AE für die Klemmschraube 88 erkennbar. Der Schaltkontaktträger 82 ist auf der Zugangsfläche A1 zugänglich. Bei dem Ausführungsbeispiel ist der Schaltkontaktträger 82 als Mittenkontakt einer Doppelstockrahmen-Klemme ausgebildet. Solange die Klemmschraube 88 nicht eingeschraubt ist, ist das in die Öffnung 84 nach außen ragende Ende des Schaltkontaktträgers frei zugänglich. Als Klemme kann auch eine Einfachklemme eingesetzt werden, bei der durch die Klemmschraube 88 eine Druckplatte in Richtung auf den Schaltkontaktträger 82 bewegbar ist, womit eine eingeführte Litze klemmbar wäre.The switching device has - as usual, but not shown in the drawing - a switching device. Part of the switching apparatus is formed as a busbar 83 switch contact carrier 82. On the contactor 80 is the drawing section especially the switch contact carrier 82, the insertion opening 84, the clamping screw 88 for the double-decker frame clamp 86 and the access opening AE for the clamping screw 88 recognizable. The switch contact carrier 82 is accessible on the access surface A1. In the embodiment, the switch contact carrier 82 is formed as a center contact of a double-decker clamp. As long as the clamping screw 88 is not screwed, the opening 84 in the outwardly projecting end of the switch contact carrier is freely accessible. As a terminal, a single terminal can be used, in which by the clamping screw 88, a pressure plate in the direction of the switch contact carrier 82 is movable, whereby an inserted strand would be clamped.

Steckvorrichtungen 10,10a,20 bestehen aus einem Körper, in dem mindestens eine erste Stecköffnung 25 zur Aufnahme von Zuleitungen 40 ausgebildet ist. Die Steckvorrichtungen unterscheiden sich darin, dass sie entweder einphasig (Figuren 2A, 3, 4A) oder mehrphasig (siehe Fig. 2B; dreiphasig) ausgebildet sind. In einer mehrphasigen Ausbildung liegen mehrere Stecköffnungen 25 nebeneinander, korrespondierend zu den Zuleitungsanschlüssen an der Schaltvorrichtung. Durch Einführen einer Kabellitze oder eines Adernendes der Zuleitung 40 in eine der Stecköffnungen 25 kommt es zu einer Verrastung in einer nicht näher dargestellten Push-in-Klemme, von der ein Innenleiter 13 (siehe Fig. 1) zum Steckkontakt 12 führt. Zum Lösen der eingeführten Zuleitung 40 kann eine Entriegeleinrichtung vorhanden sein. Die Entriegeleinrichtung ist in der Öffnung (26, 26') mit einem einfachen Werkzeug zugänglich. In der Ausführung in Fig. 4A, 4B ist eine werkzeuglos arbeitende Entriegeleinrichtung 27 angedeutet. Die Entriegelung erfolgt durch Druckbetätigung eines hervorstehenden Druckknopfs.Plug-in devices 10, 10a, 20 consist of a body in which at least one first plug-in opening 25 is designed to receive feed lines 40. The plug devices differ in that they are either single-phase (FIGS. 2A, 3, 4A) or multi-phase (see FIG. 2B, three-phase). In a multi-phase training are several plug-in openings 25 side by side, corresponding to the supply terminals to the switching device. By inserting a cable strand or a wire end of the supply line 40 in one of the insertion openings 25, there is a latching in a push-in terminal, not shown, from which an inner conductor 13 (see FIG. 1) leads to the plug contact 12. To release the inserted lead 40, an unlocking device may be present. The Entriegeleinrichtung is in the opening (26, 26 ') accessible with a simple tool. In the embodiment in Fig. 4A, 4B a tool-free Entriegeleinrichtung 27 is indicated. The unlocking is done by pressing a protruding push button.

An der Schaltvorrichtung sind verschiedene Aufnahmeelemente AE als Gegenstücke zu den an den Steckvorrichtungen angeordneten Rastelementen vorhanden. Für das Verbinden der Steckvorrichtung mit der Schaltvorrichtung ist wesentlich, dass nur ein Paar von reziproken Aufnahmeelementen an der Schaltvorrichtung vorhanden zu sein brauchen. Die jeweiligen Paare von reziproken Aufnahmeelementen AE sind mindestens eine Öffnung 87 auf der Oberseite A2 und eine Kante 89 (parallel zur Bodenplatte 81) an der Vorderseite A1; oder in anderer Kombination: mindestens eine Öffnung 87 auf der Oberseite A2 und ein Steg 89' im unteren Bereich der Schaltvorrichtung. Die zugeordneten Rastelemente an der Steckvorrichtung wären das Paar von Rastelemente 16 und 18a (siehe Fig. 2A) oder das Paar von Rastelementen (kreisrunde Rastnocken) 16 und Rastnase 18 (siehe Fig. 2B). Es können auch zwei Rastnasen 18 vorhanden sein, so dass im unteren Bereich der Schaltvorrichtung eine doppelte Verrastung möglich ist. Die klemmende Wirkung, bzw. der rastende Formschluss wird in Fig. 1 und 2A durch das Paar der Pfeile RS (starr) und RF (federnd) dargestellt.At the switching device different receiving elements AE are present as counterparts to the latching elements arranged on the plug devices. For the connection of the plug-in device with the switching device is essential that only a pair of reciprocal receiving elements need to be present on the switching device. The respective pairs of reciprocal receiving elements AE are at least one opening 87 on the upper side A2 and an edge 89 (parallel to the bottom plate 81) on the front side A1; or in other combination: at least one opening 87 on the upper side A2 and a web 89 'in the lower part of the switching device. The associated latching elements on the plug-in device would be the pair of latching elements 16 and 18a (see FIG. 2A) or the pair of latching elements (circular latching cams) 16 and latching lug 18 (see FIG. 2B). There may also be two locking lugs 18, so that a double locking is possible in the lower part of the switching device. The clamping effect, or the latching positive connection is shown in Fig. 1 and 2A by the pair of arrows RS (rigid) and RF (resilient).

Die Einzelelemente der Paare Aufnahmeelemente (AE) und die Einzelelemente der Paare Rastelemente wirken gegeneinander kraftschließend. Die Wirkungslinie eines reziproken Paars der Rast- und Aufnahmeelemente kann waagerecht, senkrecht oder auch schräg verlaufen. Die Reziprozität ist auch durch ein Rast-Maß bestimmt, welches mit dem Bezugszeichen RM bei der Steckvorrichtung 10a in Fig. 2A angedeutet ist. Ein weiteres, dargestelltes Maß ist die Tiefe ST, mit der der Kontakt 12 in die Schaltvorrichtung (in die Öffnung 84) eingeführt werden kann.The individual elements of the pairs of receiving elements (AE) and the individual elements of the pair of locking elements act against each other force-locking. The line of action of a reciprocal pair of latching and receiving elements may be horizontal, vertical or oblique. The reciprocity is also determined by a latching measure, which is indicated by the reference numeral RM in the connector 10a in Fig. 2A. Another measure shown is the depth ST at which the contact 12 can be inserted into the switching device (into the opening 84).

Die Zugangsöffnung AE (eine kreisrunde Bohrung für die Klemmschraube 88 der Doppelstockrahmen-Klemme) fungiert hier als eine erste Hinterschneidung (siehe Pfeil RF4), die reziproke, andere Hinterschneidung ist die Kante 89 (siehe Pfeil RF3).The access opening AE (a circular bore for the clamping screw 88 of the double-decker frame clamp) acts here as a first undercut (see arrow RF4), the other reciprocal, the undercut 89 (see arrow RF3).

Im oberen Bereich der Steckvorrichtung(en) ist im Winkel abstehend - als Hebelarm - ein federndes Rastelement (14, 14a) ausgebildet. Die federnde Eigenschaft wird durch Materialverdünnung, über einen schmal ausgebildeten Materialsteg oder durch Ausbildung eines Filmscharniers erzielt. Das Rastelement (14, 14a) kann dadurch federnd beim Einrasten oder Entriegeln manuell betätigt werden. Die Länge des Hebelarms und der Abstand der Rastelemente 16 zur Schaltvorrichtung und ihre Form sind so ausgebildet, dass ein optimales Einrasten in die Aufnahmeelemente AE an der Schaltvorrichtung (Schütz) stattfinden kann.In the upper region of the plug-in device (s), an angle is formed at an angle - as a lever arm - a resilient latching element (14, 14 a) is formed. The resilient property is achieved by material dilution, a narrow web of material or by forming a film hinge. The latching element (14, 14a) can thereby be operated manually resiliently when latching or unlocking. The length of the lever arm and the distance of the locking elements 16 to the switching device and their shape are designed so that an optimal engagement can take place in the receiving elements AE to the switching device (contactor).

Als alternative Ausführungsform wird in Fig. 4A und 4B eine Steckvorrichtung 20 dargestellt, bei der ein Gehäuseteil 20b vom Grundkörper 20a der Steckvorrichtung 20 trennbar ausgestaltet ist. Die Verbindung der Gehäuseteile ist durch eine Schwalbenschwanz-Führung 28a, 28b realisiert sein, wodurch ein schneller Wechsel der Teile ermöglicht wird. Die Fig. 4A zeigt die Situation in gesteckter Position und die Fig. 4B die getrennte Situation des Gehäuseteils 20b. Das im wesentlichen als Kontaktträger ausgebildete Gehäuseteil 20b ist im Schnitt dargestellt, wodurch die Kontaktierung der Zuleitung 44 und die Anordnung der Flachschiene im Kontakt 24 sichtbar wird. In Fig. 4B ist außerdem ein Rastelement 18b am Gehäusegrundkörper 20a sichtbar, welches an der Unterkante 89 (siehe auch Fig. 1, rechts) einrastet.As an alternative embodiment, a plug-in device 20 is shown in Fig. 4A and 4B, in which a housing part 20b from the main body 20a of the plug-in device 20 is designed separable. The connection of the housing parts is realized by a dovetail guide 28a, 28b, whereby a quick change of the parts is made possible. FIG. 4A shows the situation in the inserted position and FIG. 4B shows the separate situation of the housing part 20b. The substantially formed as a contact carrier housing part 20b is shown in section, whereby the contacting of the lead 44 and the arrangement of the flat rail in the contact 24 is visible. In Fig. 4B also a locking element 18b on the housing base 20a is visible, which engages the lower edge 89 (see also Fig. 1, right).

Man erkennt auf der Oberseite des Schütz noch Öffnungen 85 für weitere Zugänge. Hier könnte in der Kombistecktechnik eine Reversierbrücke für eine Motorsteuerung einsteckbar sein. Zu beachten ist, dass die Länge des Rastelements 14,14a noch so gewählt ist, dass die Öffnungen 85 nicht abgedeckt werden.It can be seen on the top of the contactor openings 85 for further access. Here, a reversing bridge for a motor control could be inserted in the combination plug-in technology. It should be noted that the length of the locking element 14,14a is still chosen so that the openings 85 are not covered.

Claims (13)

Steckvorrichtung zum Stecken auf eine elektrische Schaltvorrichtung, insbesondere für ein Schütz, wobei an der Schaltvorrichtung (80) mindestens ausgebildet ist: - mindestens ein vertieft in einer Gehäuseöffnung (84) in einer Zugangsseite (A1) der Schaltvorrichtung (80) ausgebildeter Zuleitungsanschluss für eine Zuleitung (40), - mindestens ein Paar Aufnahmeelemente (AE), und die Steckvorrichtung (10,10a,20) umfasst - mindestens einen schwimmenden Steckkontakt (12) für das Aufstecken auf den Zuleitungsanschluss (82), - mindestens eine erste Stecköffnung (25) für eine zu dem Steckkontakt (12) führende Zuleitung (40), - mindestens ein Paar Rastelemente (RE, 16,18), deren Wirkungsrichtung in einer Linie liegt, mit denen ein rastender, lösbarer Formschluss zwischen den Rastelementen (RE,16,18) und den an der Schaltvorrichtung (80) ausgebildeten Aufnahmeelementen (AE) erzielbar ist, wobei die Einzelelemente der Paare Aufnahmeelemente (AE) und der Paare Rastelemente gegeneinander kraftschließend wirken, dadurch gekennzeichnet, dass - der mindestens eine Zuleitungsanschluss als ein von außen zugänglicher Schaltkontaktträger (82) des Schaltapparats der Schaltvorrichtung (80) ausgebildet ist, und - an der Steckvorrichtung (10,10a,20) ein zweiter Kontakt (24) vorhanden ist, dem eine zweite Stecköffnung (25') zugeordnet ist. Plug-in device for plugging onto an electrical switching device, in particular for a contactor, wherein at least one of the switching device (80) is formed: at least one feed connection formed in a housing opening (84) in an access side (A1) of the switching device (80) for a feed line (40), - At least a pair of receiving elements (AE), and the plug-in device (10, 10a, 20) at least one floating plug contact (12) for plugging onto the supply connection (82), at least one first plug-in opening (25) for a feed line (40) leading to the plug-in contact (12), - At least one pair of locking elements (RE, 16,18), the direction of action is in a line with which a latching, releasable positive connection between the locking elements (RE, 16,18) and formed on the switching device (80) receiving elements (AE) can be achieved, wherein the individual elements of the pairs of receiving elements (AE) and the pair of locking elements act against each other force-locking, characterized in that - The at least one supply connection as an externally accessible switch contact carrier (82) of the switching apparatus of the switching device (80) is formed, and - On the plug-in device (10,10a, 20), a second contact (24) is present, which is associated with a second plug-in opening (25 '). Steckvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der zweite Kontakt (24) in einer schlitzförmigen Öffnung (22) ausgebildet ist.Plug-in device according to claim 1, characterized in that the second contact (24) is formed in a slot-shaped opening (22). Steckvorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der zweite Kontakt (24) auf der Seite der Steckvorrichtung (10,10a,20) ausgebildet ist, die der Zugangsseite (A1) der Schaltvorrichtung (80) zugewandt ist.Plug-in device according to claim 2, characterized in that the second contact (24) on the side of the plug-in device (10, 10a, 20) is formed, which faces the access side (A1) of the switching device (80). Steckvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass in der ersten (25) und/oder in der zweiten Stecköffnung (25') eine Push-in-Klemme für eine Kabellitze (40, 44) ausgebildet ist.Plug-in device according to one of the preceding claims, characterized in that in the first (25) and / or in the second plug-in opening (25 '), a push-in terminal for a cable strand (40, 44) is formed. Steckvorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die erste (25) und/oder die zweite Stecköffnung (25') mit einer Entriegeleinrichtung (27) für eine eingeführte Kabellitze (40, 44) ausgestattet ist.Plug-in device according to claim 4, characterized in that the first (25) and / or the second plug-in opening (25 ') with an unlocking device (27) for an inserted cable strand (40, 44) is equipped. Steckvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass in der Steckvorrichtung (10,10a,20) drei schwimmende Steckkontakte (12) je für das Aufstecken auf einen Zuleitungsanschluss (82) ausgebildet sind.Plug-in device according to one of the preceding claims, characterized in that in the plug-in device (10,10a, 20) three floating plug contacts (12) are each designed for plugging onto a feed connection (82). Steckvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass in der Steckvorrichtung (20) ein Gehäuseteil (20b) zur Aufnahme des zweiten Kontakts (24) vorhanden ist, welches vom Grundkörper (20a) der Steckvorrichtung (20) trennbar gestaltet ist.Plug-in device according to one of the preceding claims, characterized in that in the plug-in device (20) a housing part (20b) for receiving the second contact (24) is provided which is designed separable from the base body (20a) of the plug-in device (20). Steckvorrichtung nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass das Gehäuseteil (20b) über eine Schwalbenschwanz-Führung (28a,28b) an dem Grundkörper (20a) der Steckvorrichtung (20) angeordnet ist.Plug-in device according to the preceding claim, characterized in that the housing part (20b) via a dovetail guide (28a, 28b) on the base body (20a) of the plug-in device (20) is arranged. Steckvorrichtung nach einem der vorhergehenden Ansprüche 7 oder 8, dadurch gekennzeichnet, dass der Grundkörper (20a) die zu den Aufnahmenelementen (AE) an der Schaltvorrichtung (80) korrespondierenden Rastelemente (16b,18b) trägt.Plug-in device according to one of the preceding Claims 7 or 8, characterized in that the base body (20a) carries the latching elements (16b, 18b) which correspond to the receiving elements (AE) on the switching device (80). Steckvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Paar Aufnahmeelemente (AE) als eine erste Hinterschneidung (89) an der Zugangsseite (A1) und als eine zweite Hinterschneidung (87) an einer senkrecht zur Zugangsseite (A1) liegenden Seite (A2) der Schaltvorrichtung (80) ausgebildet ist.Plug-in device according to one of the preceding claims, characterized in that the pair of receiving elements (AE) as a first undercut (89) on the access side (A1) and as a second undercut (87) on a perpendicular to the access side (A1) side (A2 ) of the switching device (80) is formed. Steckvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die zweite Hinterschneidung (87) als Zugangsöffnung für eine Klemmschraube (88) der Anschluss-Klemme (86) ausgebildet ist.Plug device according to one of the preceding claims, characterized in that the second undercut (87) as an access opening for a clamping screw (88) of the terminal clamp (86) is formed. Steckvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Schaltkontaktträger (82) als Kontakt einer Anschluss-Klemme (86) ausgebildet ist.Plug device according to one of the preceding claims, characterized in that the switching contact carrier (82) is designed as a contact of a terminal terminal (86). Steckvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Schaltvorrichtung (80) ein Schütz ist.Plug-in device according to one of the preceding claims, characterized in that the switching device (80) is a contactor.
EP07017179A 2006-09-09 2007-09-01 Connector device for connecting to an electric switching device Not-in-force EP1898436B1 (en)

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CN101174523B (en) 2012-07-11
ES2335702T3 (en) 2010-03-31
EP1898436A3 (en) 2008-05-28
CN101174523A (en) 2008-05-07
ATE450906T1 (en) 2009-12-15
DE102006042408A1 (en) 2008-03-27
EP1898436B1 (en) 2009-12-02

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