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EP0191943B1 - Rail-mounted terminal assembly - Google Patents

Rail-mounted terminal assembly Download PDF

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Publication number
EP0191943B1
EP0191943B1 EP85116327A EP85116327A EP0191943B1 EP 0191943 B1 EP0191943 B1 EP 0191943B1 EP 85116327 A EP85116327 A EP 85116327A EP 85116327 A EP85116327 A EP 85116327A EP 0191943 B1 EP0191943 B1 EP 0191943B1
Authority
EP
European Patent Office
Prior art keywords
conductor
connection
neutral conductor
terminal arrangement
modular
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.)
Expired - Lifetime
Application number
EP85116327A
Other languages
German (de)
French (fr)
Other versions
EP0191943A3 (en
EP0191943A2 (en
Inventor
Jan Jakobsson
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.)
Ca Weidmueller & Co GmbH
Weidmueller Interface GmbH and Co KG
Original Assignee
Ca Weidmueller & Co GmbH
Weidmueller Interface GmbH and Co KG
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 Ca Weidmueller & Co GmbH, Weidmueller Interface GmbH and Co KG filed Critical Ca Weidmueller & Co GmbH
Priority to AT85116327T priority Critical patent/ATE50381T1/en
Publication of EP0191943A2 publication Critical patent/EP0191943A2/en
Publication of EP0191943A3 publication Critical patent/EP0191943A3/en
Application granted granted Critical
Publication of EP0191943B1 publication Critical patent/EP0191943B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01R9/2691—Clip-on terminal blocks for side-by-side rail- or strip-mounting with ground wire connection to the rail

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  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

1. A modular terminal arrangement for dividing up a PEN-conductor into a PE-conductor and a neutral conductor N characterized in that the PEN-conductor connection (2, 2') within the insulating housing (1) of only one modular terminal is divided up into a PE-branch and an N-branch which is designed to be disconnectible.

Description

Die vorliegende Erfindung betrifft eine Reihenklemmenanordnung zur Aufteilung eines PEN-Leiters in einen PE-Leiter einerseits und einen Neutralleiter andererseits.The present invention relates to a terminal block arrangement for dividing a PEN conductor into a PE conductor on the one hand and a neutral conductor on the other.

Nach VDE 0100 Teil 540 darf in TN-Netzen bei fester Verlegung und einem Leiterquerschnitt von mindestens 10 mm2 CU oder 16 mm2 AL ein gemeinsamer Leiter verwendet werden, der sowohl die Funktion des Schutzleiters als auch die des Neutralleiters in sich vereinigt. Derartige TN-Netze werden vielfach an gebäudeseitige Netze angeschlossen, bei denen dann eine Aufteilung der Doppelfunktion in eine Schutzleiterfunktion und eine Neutralleiterfunktion erfolgen kann. Nach dieser Aufteilung darf dann der Schutzleiter nicht mehr mit dem Neutralleiter verbunden werden. Darüberhinaus wird in einigen VDE-Bestimmungen gefordert, daß eine Isolationsprüfung aller Leiter gegen Erde ohne Abklemmung des Neutralleiters möglich sein muß.According to VDE 0100 Part 540, a common conductor can be used in TN networks with fixed installation and a conductor cross-section of at least 10 mm 2 CU or 16 mm 2 AL, which combines both the function of the protective conductor and that of the neutral conductor. Such TN networks are often connected to building-side networks, in which the double function can then be divided into a protective conductor function and a neutral conductor function. After this division, the protective conductor may no longer be connected to the neutral conductor. In addition, some VDE regulations stipulate that an insulation test of all conductors against earth must be possible without disconnecting the neutral conductor.

Bislang wird nun an der Aufteilungsstelle mittels einer Reihenklemmenanordnung gearbeitet, bei der auf einer die Klemmen aufnehmenden Tragschiene eine Schutzleiter-Klemme und daneben eine Neutralleiter-Trennklemme vorgesehen wird. Die notwendige elektrische Verbindung beider Klemmen wird durch eine Drahtbrücke hergestellt. Je nach Größe der Anlage ist die Schutzleiter-Klemme dann entweder über eine separate Sammelschiene oder über die Tragschiene selbst mit anderen Schutzleiter-Anschlußklemmen verbunden und auch die Neutralleiter-Trennklemme ist dann entweder über eine separate Sammelschiene oder über eine innen liegende Querverbindung mit weiteren Neutralleiter-Klemmen, die gegebenenfalls auch wieder, wenn die einzelnen Stromkreise trennbar sein sollen, als Trennklemmen ausgeführt sein können, verbunden.So far, work has now been carried out at the distribution point by means of a terminal block arrangement in which a protective conductor terminal and a neutral conductor disconnect terminal are provided on a mounting rail receiving the terminals. The necessary electrical connection between the two terminals is made using a wire bridge. Depending on the size of the system, the protective conductor terminal is then connected to other protective conductor connecting terminals either via a separate busbar or via the mounting rail itself, and the neutral conductor disconnect terminal is then either connected via a separate busbar or via an internal cross connection to other neutral conductors. Terminals, which, if necessary, can also be designed as disconnect terminals if the individual circuits are to be separable.

Zwar läßt sich auf diese Weise die Isolationsprüfung ohne Abklemmen des Neutralleiters durchführen, wenn man an der Neutralleiter-Trennklemme den Trennschieber öffnet, doch führt diese Anordnung zu einer erhöhten Reihenklemmenanzahl auf der Tragschiene, sowie auch durch das Erfordernis der Drahtbrückenverbindung der betroffenen Klemmen zu einem relativ großen Montageaufwand.In this way, the insulation test can be carried out without disconnecting the neutral conductor by opening the isolating slide on the neutral conductor disconnect terminal block, but this arrangement leads to an increased number of terminal blocks on the mounting rail, as well as a relative requirement due to the need for a jumper connection of the affected terminals great assembly effort.

Der vorliegenden Erfindung liegt von daher die Aufgabe zugrunde, eine Reihenklemmenanordnung der gattungsgemäßen Art zu schaffen, die bezüglich der Anordnung auf der Tragschiene einen denkbar geringen Raumbedarf hat und leicht zu montieren ist.The present invention is therefore based on the object of creating a modular terminal arrangement of the generic type which has a conceivably small space requirement with respect to the arrangement on the mounting rail and is easy to assemble.

Die erfindungsgemäße Lösung ergibt sich aus dem kennzeichnenden Teil des Patentanspruches 1.The solution according to the invention results from the characterizing part of patent claim 1.

Dank dieser Ausgestaltung wird auf der Tragschiene jetzt nur noch an der Aufteilungsstelle der Platz für eine einzige, als Kombinationsklemme ausgebildete Reihenklemme benötigt, die in ihrem Inneren die Metalfteilverbindungen für die erforderlichen Aufteilungen hat, wobei durch die Trennbarkeit des Neutralzweiges hier die einwandfreie lsolationsprüfung aller Leiter ohne Abklemmung des Neutralleiters gewährleistet ist. Diese Ausgestaltung führt zu einer Verringerung der Reihenklemmenzahl auf der Tragschiene, so daß auf dieser mehr Platz für die Unterbringung von Klemmen weiterer Schaltkreise bleibt, sowie zu einer erheblichen Verringerung des Montageaufwandes.Thanks to this design, the space for a single terminal block designed as a combination terminal is now only required on the mounting rail, which has the metal part connections inside for the required partitions, whereby the separability of the neutral branch means that the insulation test of all conductors is flawless without Disconnection of the neutral conductor is guaranteed. This configuration leads to a reduction in the number of terminal blocks on the mounting rail, so that there remains more space for accommodating terminals in further circuits, and to a considerable reduction in the assembly effort.

Eine bevorzugte Ausgestaltung ergibt sich aus Anspruch 2. Die dort angegebene bauliche Ausgestaltung der Aufteilung und der Trennbarkeit bewirkt eine einfache, platzsparende Bauweise und fördert die Unterbringung in einem Reihenklemmengehäuse, und zwar einem solchen normaler Abmessungen.A preferred embodiment results from claim 2. The structural design of the division and the separability specified there results in a simple, space-saving design and promotes accommodation in a terminal block housing, namely of such normal dimensions.

Weitere Ausgestaltungen in einer derartigen Reihenklemmenanordnung sind in den Unteransprüchen gekennzeichnet. Hervorzuheben ist dabei einmal die Anordnung des Trennschiebers zwischen dem Neutralleiterfunktion ausübenden Teil einer Stromschiene des Metallteiles und dem Neutralleiteranschluß im Inneren des Gehäuses der Kombinationsklemme wie andererseits die Verwendung des Trennschiebers selbst unmittelbar als Neutralleneranschluß, wobei der Trennschieber mit einer außen an den Klemmen vorbeigeführten Neutralleitersammelschiene verbindbar ist, die das elektrisch geerdete Querverbindungselement zu den Neutralleiteranschlüssen weiterer Klemmen bildet.Further configurations in such a terminal block arrangement are characterized in the subclaims. Of particular note here is the arrangement of the isolating slide between the part of a conductor rail of the metal part which carries out the neutral conductor function and the neutral conductor connection inside the housing of the combination terminal, and on the other hand the use of the isolating slide itself as a neutral connection, the isolating slide being connectable to a neutral conductor busbar routed past the terminals , which forms the electrically grounded cross-connection element to the neutral conductor connections of further terminals.

Zwei Ausführungsbeispiele einer derartigen Reihenklemmenanordnung werden nachstehend unter Bezugnahme auf die beigefügte Zeichnung beschrieben.Two embodiments of such a terminal block arrangement are described below with reference to the accompanying drawings.

Es zeigen

  • Figur 1 eine Kombinationsklemme entsprechend der erfindungsgemäßen Reihenklemmenanordnung in schematisierter Seitenansicht,
  • Figur 2 eine weitere Ausführungsform einer derartigen Kombinationsklemme in schematisierter Seitenansicht.
Show it
  • 1 shows a combination terminal corresponding to the terminal block arrangement according to the invention in a schematic side view,
  • Figure 2 shows another embodiment of such a combination clamp in a schematic side view.

Bei dem in Figur 1 dargestellten Ausführungsbeispiel ist im lsolierstoffgehäuse 1 einer hier als Kombinationsklemme bezeichneten Reihenklemme ein Anschluß 2 für den von einem TN-Netz kommenden Schutz- und Neutralleiter PEN vorgesehen, der mit Hilfe dieser Kombinationsklemme in einen Schutzleiter PE und einen Neutratteiter N aufzuteilen ist. Im dargestellten Ausführungsbeispiel ist im Inneren der Kombinationsklemme ein zu der Tragschiene 3 der Reihenklemmenanordnung führendes Metallteil 4 vorgesehen, auf dessen Stromschiene einerseits der Anschluß 2 für den ankommenden PEN-Leiter vorgesehen ist, sowie ferner im Inneren des lsolierstoffgehäuses 1 ein Trennschieber 5, mit dem bei entsprechender Verschiebestellung die elektrisch leitende Verbindung zwischen dem Neutral-Ieiterfunktion ausübenden Teil der Stromschiene und einem Stromschienenstück 6 eines Neutralleiteranschlusses 7 herzustellen ist. Bei dieser Ausgestaltung dient die Tragschiene 3 als elektrisches geerdetes Querverbindungselement und PE-Sammelschiene für weitere auf der Tragschiene angeordnete PE-Klemmen. Als elektrisches Querverbindungselement zu weiteren Neutralleiteranschlüssen weiterer auf der Tragschiene 3 angeordneter Klemmen ist bei diesem Ausführungsbeispiel eine im Inneren des Gehäuses liegende, von dem Stromschienenstück 6 abgehende Querverbindung 8 vorgesehen.In the exemplary embodiment shown in FIG. 1, a connection 2 for the protective and neutral conductor PEN coming from a TN network is provided in the insulating housing 1 of a terminal block referred to here as a combination terminal, which is to be divided into a protective conductor PE and a neutral conductor N with the aid of this combination terminal . In the illustrated embodiment, a metal part 4 leading to the mounting rail 3 of the terminal block arrangement is provided in the interior of the combination terminal, on the busbar on the one hand the connection 2 is provided for the incoming PEN conductor, and also in the interior of the insulating material housing 1, a isolating slide 5, with which Corresponding displacement position, the electrically conductive connection between the part of the conductor rail performing the neutral conductor function and a conductor rail section 6 of a neutral conductor connection 7 is to be established. At this Design, the mounting rail 3 serves as an electrically grounded cross-connection element and PE busbar for further PE terminals arranged on the mounting rail. As an electrical cross-connection element to further neutral conductor connections of further terminals arranged on the mounting rail 3, a cross-connection 8 located in the interior of the housing and originating from the busbar piece 6 is provided in this exemplary embodiment.

Aus dem Vorstehenden ergibt sich die Aufteilung in einen Schutzleiterzweig und einen Neutralleiterzweig innerhalb der Kombinationsklemme, sowie die Möglichkeit der Isolationsprüfung dadurch, daß man den Trennschieber 5 in die in Figur 1 gezeigte Offenstellung bringt und hier das Prüfgerät für die Isolationsprüfung ansetzt.The above results in the division into a protective conductor branch and a neutral conductor branch within the combination terminal, as well as the possibility of insulation testing by bringing the isolating slide 5 into the open position shown in FIG. 1 and using the test device for the insulation test here.

Bei dem Ausführungsbeispiel nach Figur 2 ist wiederum im Inneren des Gehäuses 1' einer Kombinationsklemme zunächst ein Anschluß 2' für den ankommenden Schutz- und Neutralleiter PEN, dessen Funktion aufgeteilt werden soll, vorgesehen. Der Anschluß 2' befindet sich auf der Stromschiene eines Metallteiles 4', das elektrisch leitend mit der als PE-Sammelschiene für weitere PE-Klemmen dienenden Tragschiene 3 verbunden ist.In the exemplary embodiment according to FIG. 2, a connection 2 'for the incoming protective and neutral conductor PEN, the function of which is to be divided, is provided in the interior of the housing 1' of a combination terminal. The connection 2 'is located on the busbar of a metal part 4' which is connected in an electrically conductive manner to the mounting rail 3 which serves as a PE busbar for further PE terminals.

Bei diesem Ausführungsbeispiel bildet ein Trennschieber 5' selbst und ummittelbar den Neutralleiteranschluß dieser Kombinationsklemme. Er ist hierzu auf der Stromschiene des Metallteiles 4' angeordnet und er ist in seiner einen Stellung mit einer Neutralleiterssammelschiene 8' verbindbar, die als elektrisches Querverbindungselement außen an diesem Neutralleiteranschluß sowie an den Neutralleiteranschlüssen weiterer Klemmen auf der Tragschiene vorbeigeführt ist.In this embodiment, a separating slide 5 'itself and directly forms the neutral conductor connection of this combination terminal. For this purpose, it is arranged on the busbar of the metal part 4 'and in its one position it can be connected to a neutral conductor busbar 8' which, as an electrical cross-connection element, leads past this neutral conductor connection and the neutral conductor connections of further terminals on the mounting rail.

In beiden Ausführungsbeispielen können die nachgeordneten Neutralleiteranschlüsse weiterer Klemmen entweder fest mit dem elektrischen Querverbindungselement verbunden sein, oder sie können wiederum als Trennschieber ausgebildet sein, wenn jeder einzelne Stromkreis trennbar ausgeführt werden soll.In both exemplary embodiments, the downstream neutral conductor connections of further terminals can either be permanently connected to the electrical cross-connection element, or they can in turn be designed as isolating slides if each individual circuit is to be designed to be separable.

In beiden Ausführungsbeispielen wird das Gehäuse der Kombinationsklemme zonenweise entsprechend den Vorschriften unterschiedlich gefärbt, um insoweit den Neutralleiterbereich der Kombinationsklemme in der erforderlichen Weise vom Schutzleiterbe optisch abzuheben.In both exemplary embodiments, the housing of the combination terminal is colored differently zone by zone in accordance with the regulations in order to optically separate the neutral conductor area of the combination terminal from the protective conductor in the required manner.

Claims (6)

1. A modular terminal arrangement for dividing up a PEN-conductor into a PE-conductor and a neutral conductor N characterized in that the PEN-conductor connection (2, 2') within the insulating housing (1) of only one modular terminal is divided up into a PE-branch and an N-branch which is designed to be disconnectible.
2. A modular terminal arrangement according to claim 1 characterised in that the PEN-conductor connection (2, 2') is connected by way of a metal portion (4, 4') to an electrical, earthed cross connection (3) for dividing up the PE-branch to further PE-modular terminals and also to an N-conductor connection (5, 5', 7) which in turn is connected to an electrical cross connection (8, 8') for dividing up to further N-modular terminals and a disconnect slider (5, 5') is arranged in the electrically conductive connection between the metal portion (4, 4') and the electrical cross connection (8, 8') of the N-conductor connection.
3. A modular terminal arrangement according to claim 2 characterised in that the electrical earthed cross connection which is connected to the metal portion (4, 4') is formed by a mounting rail (3) which accommodates the modular terminal arrangement.
4. A modular terminal arrangement according to claim 2 characterised in that the disconnect slider (5) is arranged between the portion which performs a neutral conductor function of a current bar of the metal portion (4), and the N-conductor connection (7).
5. A modular terminal arrangement according to claim 4 characterised in that the current bar portion having a neutral conductor function is connected by an inwardly disposed cross connection (8) to the N-conductor connections of the other modular terminals.
6. A modular terminal arrangement according to claim 2 characterised in that the N-conductor connection is formed by the disconnect slider (5') itself which is arranged on a current bar portion which has a neutral conductor function of the metal portion (4') and can be connected to a neutral conductor bus bar (8') which is taken past the insulating housing (8) on the outside thereof.
EP85116327A 1985-02-19 1985-12-20 Rail-mounted terminal assembly Expired - Lifetime EP0191943B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85116327T ATE50381T1 (en) 1985-02-19 1985-12-20 TERMINAL TERMINAL ARRANGEMENT.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3505617A DE3505617C1 (en) 1985-02-19 1985-02-19 Terminal block arrangement
DE3505617 1985-02-19

Publications (3)

Publication Number Publication Date
EP0191943A2 EP0191943A2 (en) 1986-08-27
EP0191943A3 EP0191943A3 (en) 1988-10-26
EP0191943B1 true EP0191943B1 (en) 1990-02-07

Family

ID=6262872

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85116327A Expired - Lifetime EP0191943B1 (en) 1985-02-19 1985-12-20 Rail-mounted terminal assembly

Country Status (3)

Country Link
EP (1) EP0191943B1 (en)
AT (1) ATE50381T1 (en)
DE (1) DE3505617C1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE58907521D1 (en) * 1989-05-24 1994-05-26 Weidmueller Interface Electrically shielded terminal block arrangement.
DE4237732A1 (en) * 1992-11-09 1994-05-11 Weidmueller Interface Protective conductor terminal
DE4400470C2 (en) * 1994-01-11 1995-11-23 Weidmueller Interface Cross connector for the electrical connection of a PE terminal to an N terminal
FR2764126B1 (en) * 1997-05-30 2003-06-27 Michaud Sa SECTIONABLE MULTIPLE CONNECTION DEVICE

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE387013B (en) * 1974-11-27 1976-08-23 Asea Ab FRENCH-CLEARABLE COUPLING PLUG
DE2601849C2 (en) * 1976-01-20 1982-02-04 F. Wieland, Elektrische Industrie GmbH, 8600 Bamberg Series disconnect terminal
DE2845587C2 (en) * 1978-10-19 1983-03-31 Phönix Elektrizitätsgesellschaft H. Knümann GmbH & Co KG, 4933 Blomberg Electrical terminal block that can be mounted on a mounting rail
DE3146914C1 (en) * 1981-11-26 1983-01-13 C.A. Weidmüller GmbH & Co, 4930 Detmold Disconnect terminal

Also Published As

Publication number Publication date
DE3505617C1 (en) 1986-04-17
EP0191943A3 (en) 1988-10-26
ATE50381T1 (en) 1990-02-15
EP0191943A2 (en) 1986-08-27

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