EP0705490A1 - Busbar and cross connection for a series terminal - Google Patents

Busbar and cross connection for a series terminal

Info

Publication number
EP0705490A1
EP0705490A1 EP95918572A EP95918572A EP0705490A1 EP 0705490 A1 EP0705490 A1 EP 0705490A1 EP 95918572 A EP95918572 A EP 95918572A EP 95918572 A EP95918572 A EP 95918572A EP 0705490 A1 EP0705490 A1 EP 0705490A1
Authority
EP
European Patent Office
Prior art keywords
busbar
cross connector
cross
shaped
slot
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.)
Withdrawn
Application number
EP95918572A
Other languages
German (de)
French (fr)
Inventor
Gerd Conrad
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0705490A1 publication Critical patent/EP0705490A1/en
Withdrawn legal-status Critical Current

Links

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

Definitions

  • the invention relates to a busbar for a terminal block with a cross connector suitable for this busbar. It is known to have a between the terminals of a terminal block
  • Conductor rail made of a flat conductor material or a profiled
  • the publication CH 521 671 describes a contact piece with a continuous longitudinal groove with a V-shaped cross-section
  • the invention has for its object to provide a busbar that is easier and, above all, less expensive to manufacture than the known busbars of the prior art. It should continue to do so
  • Cross connector for a cross bridge between the busbars of neighboring
  • Terminal blocks are created, which is adapted to the new busbar.
  • cross connectors for terminal blocks consist of a flat material and with at least two pairs of clamping tongues establish an electrical connection between busbars of adjacent terminal blocks.
  • the on a cross bar with each other connected tongue pairs are arranged with their flat plane rotated by 90 ° with respect to the cross bar.
  • the clamping tongues engage in plug openings in the busbars.
  • a similar design of the cross connector is also shown in DE 36 25 240 A1.
  • the new cross connector is easier to manufacture, by a single punching process without another process.
  • a major advantage over the known cross-connectors can also be seen in the special adaptation to the diameter of the round bar of the busbar.
  • the achievement of the stated object results from the features mentioned in the characterizing part of patent claim 1. Further features of the embodiment of the invention are listed in the subclaims.
  • the invention provides for the use as the starting material of normal copper wire which is available as standard and which is only cold-formed without machining.
  • the standard copper wire is much cheaper than the previously used flat material, and there is also no material waste from punching out.
  • Fig. 1 is a perspective view of a busbar according to the
  • Fig. 2a is a plan view
  • Fig. 2b is a side view
  • FIG. 2c is a front view of the busbar according to FIG. 1,
  • Fig. 3 shows the arrangement of a busbar between two drawbars one
  • Terminal block (without plastic housing), Fig. 4a a cross connector in a perspective view, Fig. 4b is a side view and
  • FIG. 4c shows a top view of the cross connector according to FIG. 4a
  • FIG. 5a shows an arrangement of the cross connectors on the busbars in a perspective view
  • 5b is a front view
  • FIG. 5c shows a side view of the illustration according to FIG. 5a.
  • the busbar 1 shown in FIGS. 1 and 2 is made of a commercially available copper wire with a circular cross section, diameter d (Fig. 2b).
  • the total length of the busbar 1 will essentially depend on the external dimensions of the terminal block width or on the external distances of the tie bars 2a and 2b to be connected (FIG. 3).
  • a round bar of this length must be cut from the commercially available solid copper wire and pressed at both ends with a length or I 2 (Fig. 2a) in a press by cold forming so that on both sides of the round bar parallel areas 5 and 6 arise in the area of the end sections 3 and 4.
  • the width b (FIG.
  • Fig. 3 the arrangement of a busbar 1 between two tie bars 2a and 2b of a terminal block is shown; the plastic housing or the insulating body with its fastening foot for arrangement on a mounting rail are not shown.
  • the drawbar 2a is shown in the open state, for. B. for receiving a cable, while the closed tension bracket 2b is shown with tightened clamping screw.
  • FIG. 4a to 4c show an embodiment for a cross connector 10, which allows an electrically conductive connection between the busbars of two adjacent terminal blocks.
  • the perspective view in FIG. 4 a and the top view in FIG. 4 c show that the rectangular cross connector 10 has two clamps 14 and 15 connected to one another in the head region 13 due to a longer first slot 12 arranged in the longitudinal axis.
  • the two brackets consist of two with a shorter one second slot 17 and 18 formed clamping tongues 20 and 21, which have at their free ends arcuate bulges 23 and 24, which are adapted to the diameter of the central region 7 of the busbar 1.
  • the flat material of the cross connector 10 has a sufficient thickness so that the locking clamping of the clamps 14 and 15 on the cylindrical middle regions 7 of the busbars ensures a reliable electrical contact. For reasons of insulation and to avoid incorrect connections, the head region 13 of the cross connector 10 is protected with an insulating cap 26.
  • FIG. 5a to 5c illustrate how the cross connectors 10 are clamped onto the busbars 1 at a plurality of terminal blocks arranged next to one another.
  • the plastic housings of the terminal blocks are not shown.
  • four cross connectors 10 are arranged in two levels and overlapping. It could also be advantageous to use cross connectors with e.g. B. provide four brackets 14 and 15. The illustrated cross connector 10 with two brackets, however, allows cheaper storage.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Abstract

The known line connections between the connection points for the series terminals in switching stations are generally stamped out of flat copper strip and possibly further deformed. The novel busbar (1) is prepared from round rod (7) which is considerably cheaper and whose end regions are cold-shaped on both sides to form parallel surfaces. Cross connections (10) suitable for these busbars have at least two U-shaped clamping tongues (20, 21) which, at their free ends, have circular recesses (23, 24) adapted to the diameter of the round rod.

Description

Stromschiene und Querverbinder für eine Reihenklemme Busbar and cross connector for a terminal block
Die Erfindung betrifft eine Stromschiene für eine Reihenklemme mit einem für diese Stromschiene geeigneten Querverbinder. Es ist bekannt, zwischen den Anschlußstellen einer Reihenklemme eineThe invention relates to a busbar for a terminal block with a cross connector suitable for this busbar. It is known to have a between the terminals of a terminal block
Stromschiene aus einem flachen Leiterwerkstoff oder einem profiliertenConductor rail made of a flat conductor material or a profiled
Längsstab vorzusehen.Longitudinal bar to be provided.
Die Druckschrift CH 521 671 beschreibt hierzu ein Kontaktstück mit einer durchgehenden Längsnut mit V-förmigem Querschnitt, in der DE-Anmeldung Seh 3550 Vllld/21c sind Stromschienen aus offenen oder geschlossenen flachenThe publication CH 521 671 describes a contact piece with a continuous longitudinal groove with a V-shaped cross-section
Hohlprofilrohren dargestellt und in der EP 0 082 285 B1 ist eine speziell geformteShown hollow profile tubes and in EP 0 082 285 B1 is a specially shaped
Stromschiene aus einem Flachmaterial erläutert.Conductor rail made of a flat material explained.
Der Erfindung liegt die Aufgabe zugrunde, eine Stromschiene zu schaffen, die einfacher und vor allem kostengünstiger herzustellen ist als die bekannten Stromschienen des Standes der Technik. Es sollte weiter hierzu einThe invention has for its object to provide a busbar that is easier and, above all, less expensive to manufacture than the known busbars of the prior art. It should continue to do so
Querverbinder für eine Querbrückung zwischen den Stromschienen benachbarterCross connector for a cross bridge between the busbars of neighboring
Reihenklemmen geschaffen werden, die an die neue Stromschiene angepaßt ist.Terminal blocks are created, which is adapted to the new busbar.
Durch die DE 33 12 002 C1 sind bereits Querverbinder für Reihenklemmen bekannt, die aus einem Flachmaterial bestehen und mit mindestens zwei Klemmzungenpaaren eine elektrische Verbindung zwischen Stromschienen benachbarter Reihenklemmen herstellen. Die an einer Querleiste miteinander verbundenen Klemmzungenpaare sind mit ihrer Flachebene gegenüber der Querleiste um 90° verdreht angeordnet. Die Klemmzungen greifen im aufgesetzten Zustand des Querverbinders in Stecköffnungen der Stromschienen. Eine ähnliche Ausführung des Querverbinders ist auch in der DE 36 25 240 A1 dargestellt. Der neue Querverbinder ist einfacher herzustellen, und zwar durch einen einzigen Stanzvorgang ohne einen weiteren Arbeitsvorgang. Ein wesentlicher Vorteil gegenüber den bekannten Querverbindern ist auch in der speziellen Anpassung an den Durchmesser des Rundstabes der Stromschiene zu sehen. Die erfindungsgemäße Lösung der gestellten Aufgabe ergibt sich aus den im Kennzeichen des Patentanspruchs 1 genannten Merkmalen. Weitere Merkmale der Ausgestaltung der Erfindung sind in den Unteransprüchen aufgeführt. Die Erfindung sieht vor, als Ausgangsmaterial normalen als Standardware lieferbaren Kupferdraht zu verwenden, der nur eine Kaltformung ohne eine spanabhebende Bearbeitung erfährt. Der standardmäßige Kupferdraht ist wesentlich billiger als das bisher verwendete Flachmaterial, und außerdem entstehen keine Materialabfälle durch Ausstanzen.From DE 33 12 002 C1 cross connectors for terminal blocks are already known, which consist of a flat material and with at least two pairs of clamping tongues establish an electrical connection between busbars of adjacent terminal blocks. The on a cross bar with each other connected tongue pairs are arranged with their flat plane rotated by 90 ° with respect to the cross bar. When the cross connector is in place, the clamping tongues engage in plug openings in the busbars. A similar design of the cross connector is also shown in DE 36 25 240 A1. The new cross connector is easier to manufacture, by a single punching process without another process. A major advantage over the known cross-connectors can also be seen in the special adaptation to the diameter of the round bar of the busbar. The achievement of the stated object results from the features mentioned in the characterizing part of patent claim 1. Further features of the embodiment of the invention are listed in the subclaims. The invention provides for the use as the starting material of normal copper wire which is available as standard and which is only cold-formed without machining. The standard copper wire is much cheaper than the previously used flat material, and there is also no material waste from punching out.
Ein Ausführungsbeispiel der erfindungsgemäßen Stromschiene mit Querbrückung wird nun anhand der Zeichnungen im einzelnen beschrieben. Es zeigen:An embodiment of the busbar with cross-bridging according to the invention will now be described in detail with reference to the drawings. Show it:
Fig. 1 eine perspektivische Darstellung einer Stromschiene gemäß derFig. 1 is a perspective view of a busbar according to the
Erfindung, Fig. 2a eine Draufsicht, Fig. 2b eine Seitenansicht undInvention, Fig. 2a is a plan view, Fig. 2b is a side view and
Fig. 2c eine Frontansicht der Stromschiene gemäß Fig. 1 ,2c is a front view of the busbar according to FIG. 1,
Fig. 3 die Anordnung einer Stromschiene zwischen zwei Zugbügeln einerFig. 3 shows the arrangement of a busbar between two drawbars one
Reihenklemme (ohne Kunststoffgehäuse), Fig. 4a einen Querverbinder in perspektivischer Darstellung, Fig. 4b eine Seitenansicht undTerminal block (without plastic housing), Fig. 4a a cross connector in a perspective view, Fig. 4b is a side view and
Fig. 4c eine Draufsicht des Querverbinders gemäß Fig. 4a, Fig. 5a eine Anordnung der Querverbinder an den Stromschienen in perspektivischer Darstellung, Fig. 5b eine Frontansicht und4c shows a top view of the cross connector according to FIG. 4a, FIG. 5a shows an arrangement of the cross connectors on the busbars in a perspective view, 5b is a front view and
Fig. 5c eine Seitenansicht der Darstellung gemäß Fig. 5a.5c shows a side view of the illustration according to FIG. 5a.
Die in den Fig. 1 und 2 dargestellte Stromschiene 1 wird aus einem handelsüblichen Kupferdraht mit einem kreisförmigen Querschnitt, Durchmesser d (Fig. 2b) hergestellt. Die Gesamtlänge der Stromschiene 1 wird im wesentlichen von den Außenabmessungen der Reihenklemmenbreite bzw. von den Außenabständen der zu verbindenden Zugbügel 2a und 2b (Fig. 3) abhängen. Zur Herstellung einer Stromschiene gemäß der Erfindung muß ein Rundstab dieser Länge von dem handelsüblichen massiven Kupferdraht abgeschnitten und an seinen beiden Enden mit einer Länge bzw. I2 (Fig. 2a) in einer Presse durch Kaltformung so gepreßt werden, daß auf beiden Seiten des Rundstabes im Bereich der Endabschnitte 3 und 4 parallele Flächen 5 und 6 entstehen. Die Breite b (Fig. 2a) dieser Flächen der Endabschnitte sind im Vergleich zum Durchmesser d (Fig. 2b) des runden mittleren Bereichs 7 des Rundstabs entsprechend vergrößert. Der Abstand s der parallelen Flächen 5 bzw. 6 ergibt sich aus den gleichen Querschnittsflächen der Endabschnitte 3 bzw. 4 und des mittleren runden Bereichs 7.The busbar 1 shown in FIGS. 1 and 2 is made of a commercially available copper wire with a circular cross section, diameter d (Fig. 2b). The total length of the busbar 1 will essentially depend on the external dimensions of the terminal block width or on the external distances of the tie bars 2a and 2b to be connected (FIG. 3). To produce a busbar according to the invention, a round bar of this length must be cut from the commercially available solid copper wire and pressed at both ends with a length or I 2 (Fig. 2a) in a press by cold forming so that on both sides of the round bar parallel areas 5 and 6 arise in the area of the end sections 3 and 4. The width b (FIG. 2a) of these surfaces of the end sections are correspondingly enlarged in comparison to the diameter d (FIG. 2b) of the round central region 7 of the round rod. The distance s of the parallel surfaces 5 and 6 results from the same cross-sectional areas of the end sections 3 and 4 and the central round region 7.
In Fig. 3 ist die Anordnung einer Stromschiene 1 zwischen zwei Zugbügeln 2a und 2b einer Reihenklemme dargestellt; das Kunststoffgehäuse bzw. der Isolierkörper mit seinem Befestigungsfuß zur Anordnung auf einer Tragschiene sind nicht abgebildet. Der Zugbügel 2a ist im geöffneten Zustand gezeigt z. B. zur Aufnahme eines Kabels, während der geschlossene Zugbügel 2b mit angezogener Klemmschraube dargestellt ist.In Fig. 3 the arrangement of a busbar 1 between two tie bars 2a and 2b of a terminal block is shown; the plastic housing or the insulating body with its fastening foot for arrangement on a mounting rail are not shown. The drawbar 2a is shown in the open state, for. B. for receiving a cable, while the closed tension bracket 2b is shown with tightened clamping screw.
Die Fig. 4a bis 4c zeigen ein Ausführungsbeispiel für einen Querverbinder 10, der eine elektrisch leitende Verbindung zwischen den Stromschienen zweier benachbarter Reihenklemmen gestattet. Die perspektivische Darstellung in Fig. 4a und die Draufsicht in Fig. 4c lassen erkennen, daß der rechteckig ausgebildete Querverbinder 10 durch einen in der Längsachse angeordneten längeren ersten Schlitz 12 zwei miteinander im Kopfbereich 13 verbundene Klammern 14 und 15 aufweist. Die beiden Klammern bestehen aus je zwei durch einen kürzeren zweiten Schlitz 17 bzw. 18 gebildete Klemmzungen 20 bzw. 21 , die an ihren freien Enden kreisbogenförmige Ausbuchtungen 23 bzw. 24 aufweisen, die an den Durchmesser des mittleren Bereichs 7 der Stromschiene 1 angepaßt sind. Wie aus Fig. 4b zu erkennen ist, hat das Flachmaterial des Querverbinders 10 eine ausreichende Stärke, so daß die Rastklemmung der Klammern 14 und 15 auf den zyiinderförmigen mittleren Bereichen 7 der Stromschienen einen sicheren elektrischen Kontakt gewährleistet. Aus Isolationsgründen und zur Vermeidung von Fehlverbindungen ist der Kopfbereich 13 des Querverbinders 10 mit einer Isolierkappe 26 geschützt.4a to 4c show an embodiment for a cross connector 10, which allows an electrically conductive connection between the busbars of two adjacent terminal blocks. The perspective view in FIG. 4 a and the top view in FIG. 4 c show that the rectangular cross connector 10 has two clamps 14 and 15 connected to one another in the head region 13 due to a longer first slot 12 arranged in the longitudinal axis. The two brackets consist of two with a shorter one second slot 17 and 18 formed clamping tongues 20 and 21, which have at their free ends arcuate bulges 23 and 24, which are adapted to the diameter of the central region 7 of the busbar 1. As can be seen from Fig. 4b, the flat material of the cross connector 10 has a sufficient thickness so that the locking clamping of the clamps 14 and 15 on the cylindrical middle regions 7 of the busbars ensures a reliable electrical contact. For reasons of insulation and to avoid incorrect connections, the head region 13 of the cross connector 10 is protected with an insulating cap 26.
Die Fig. 5a bis 5c veranschaulichen, wie die Querverbinder 10 an mehreren nebeneinander angeordneten Reihenklemmen auf die Stromschienen 1 aufgeklemmt werden. Der Übersichtlichkeit wegen sind die Kunststoffgehäuse der Reihenklemmen nicht dargestellt. Bei den fünf Reihenklemmen bzw. Stromschienen 1 sind vier Querverbinder 10 in zwei Ebenen und sich überlappend angeordnet. Es könnte auch vorteilhaft sein, Querverbinder mit z. B. je vier Klammern 14 und 15 vorzusehen. Der dargestellte Querverbinder 10 mit zwei Klammern gestattet jedoch eine günstigere Lagerhaltung. 5a to 5c illustrate how the cross connectors 10 are clamped onto the busbars 1 at a plurality of terminal blocks arranged next to one another. For the sake of clarity, the plastic housings of the terminal blocks are not shown. In the five terminal blocks or bus bars 1, four cross connectors 10 are arranged in two levels and overlapping. It could also be advantageous to use cross connectors with e.g. B. provide four brackets 14 and 15. The illustrated cross connector 10 with two brackets, however, allows cheaper storage.

Claims

Patentansprüche Claims
1. Stromschiene für eine Reihenklemme, gekennzeichnet durch einen Rundstab, dessen Endabschnitte (3, 4) beidseitig mit parallelen Flächen (5, 6) versehen sind.1. Busbar for a terminal block, characterized by a round bar, the end sections (3, 4) are provided on both sides with parallel surfaces (5, 6).
2. Querverbinder für eine Stromschiene nach Anspruch 1 , gekennzeichnet durch ein Flachmaterial mit mindestens zwei U-förmig gestalteten Klammern (14 und 15), die durch einen mittig sich in Längsrichtung erstreckenden längeren ersten Schlitz (12) gebildet sind und im Kopfteil (13) miteinander verbunden sind, wobei die Klammern (14 und 15) durch je einen kürzeren zweiten Schlitz (17 bzw. 18) Klemmzungen aufweisen, die an ihren freien Enden an den Durchmesser des Rundstabes der Stromschiene angepaßte kreisbogenförmige Ausbuchtungen (23 bzw. 24) bilden.2. Cross connector for a busbar according to claim 1, characterized by a flat material with at least two U-shaped clamps (14 and 15), which are formed by a longitudinally extending longitudinal first slot (12) and in the head part (13) are connected to one another, the clamps (14 and 15) each having a shorter second slot (17 or 18) having clamping tongues which, at their free ends, form circular arc-shaped bulges (23 and 24) which are adapted to the diameter of the round bar of the busbar.
3. Querverbinder nach Anspruch 2, dadurch gekennzeichnet, daß die Schlitzaus¬ gänge an den freien Enden der Klemmzungen (20 bzw. 21 ) keilförmig erweitert sind.3. Cross connector according to claim 2, characterized in that the slot outputs at the free ends of the clamping tongues (20 and 21) are wedge-shaped.
4. Querverbinder nach den Ansprüchen 2 und 3, dadurch gekennzeichnet, daß der Querverbinder (10) mit einer Isolierkappe (26) versehen ist.4. Cross connector according to claims 2 and 3, characterized in that the cross connector (10) is provided with an insulating cap (26).
5. Verfahren zur Herstellung einer Stromschiene für eine Reihenklemme, dadurch gekennzeichnet, daß die Endabschnitte des Rundstabes aus einem Leiterwerk¬ stoff durch Kaltverformung beidseitig mit parallelen Flächen (5, 6) versehen wer¬ den, und dessen mittlerer Bereich die ursprüngliche Rundform behält.5. A method for producing a busbar for a terminal block, characterized in that the end portions of the round rod made of a conductor material by cold forming on both sides with parallel surfaces (5, 6) are provided and the central region of which retains the original round shape.
6. Verfahren nach Anspruch 5, dadurch gekennzeichnet, daß als Leiterwerkstoff Kupfer verwendet wird. 6. The method according to claim 5, characterized in that copper is used as the conductor material.
EP95918572A 1994-04-22 1995-04-20 Busbar and cross connection for a series terminal Withdrawn EP0705490A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4414148A DE4414148C2 (en) 1994-04-22 1994-04-22 Busbar and cross connector for a terminal block
DE4414148 1994-04-22
PCT/EP1995/001484 WO1995029520A1 (en) 1994-04-22 1995-04-20 Busbar and cross connection for a series terminal

Publications (1)

Publication Number Publication Date
EP0705490A1 true EP0705490A1 (en) 1996-04-10

Family

ID=6516207

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95918572A Withdrawn EP0705490A1 (en) 1994-04-22 1995-04-20 Busbar and cross connection for a series terminal

Country Status (4)

Country Link
US (1) US5816852A (en)
EP (1) EP0705490A1 (en)
DE (1) DE4414148C2 (en)
WO (1) WO1995029520A1 (en)

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WO1997038466A1 (en) * 1996-04-09 1997-10-16 The Whitaker Corporation Connection system for tube conductors
FR2749108B1 (en) * 1996-05-24 1998-08-14 Legrand Sa CONNECTOR FOR ESTABLISHING A CROSS-CONNECTION BETWEEN ALIGNED MODULAR ELECTRICAL DEVICES
DE20200973U1 (en) 2002-01-24 2003-05-28 Weidmueller Interface Terminal strip
DE102008014179B4 (en) * 2008-03-14 2012-08-02 Phoenix Contact Gmbh & Co. Kg Switching bridge and assembly consisting of at least two electrical terminal blocks and a jumper
DE102011001714A1 (en) 2011-03-31 2012-10-04 Phoenix Contact Gmbh & Co. Kg Cross jumper for an electrical terminal
US9083127B2 (en) * 2013-05-07 2015-07-14 Eaton Corporation Connection apparatus connectable with neutral bus
US9660244B2 (en) 2013-09-06 2017-05-23 Johnson Controls Technology Company System and method for establishing connections of a battery module

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Title
See references of WO9529520A1 *

Also Published As

Publication number Publication date
DE4414148A1 (en) 1995-10-26
US5816852A (en) 1998-10-06
WO1995029520A1 (en) 1995-11-02
DE4414148C2 (en) 1996-04-04

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