EP1673795B1 - Contactor equipped with box terminals - Google Patents

Contactor equipped with box terminals Download PDF

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Publication number
EP1673795B1
EP1673795B1 EP04787221A EP04787221A EP1673795B1 EP 1673795 B1 EP1673795 B1 EP 1673795B1 EP 04787221 A EP04787221 A EP 04787221A EP 04787221 A EP04787221 A EP 04787221A EP 1673795 B1 EP1673795 B1 EP 1673795B1
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EP
European Patent Office
Prior art keywords
housing
terminal
cover
guide means
contactor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP04787221A
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German (de)
French (fr)
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EP1673795A1 (en
Inventor
Karsten Gerving
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
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Filing date
Publication date
Application filed by Moeller GmbH filed Critical Moeller GmbH
Publication of EP1673795A1 publication Critical patent/EP1673795A1/en
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Publication of EP1673795B1 publication Critical patent/EP1673795B1/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/041—Details concerning assembly of relays
    • H01H50/045—Details particular to contactors
    • 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
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08—Terminals; Connections
    • 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
    • H01H2001/5861—Box connector with a collar or lug for clamping internal rail and external conductor together by a tightening screw

Definitions

  • the invention relates to a contactor with frame terminals according to the preamble of claim 1.
  • a three-pole contactor is described with an existing housing lower part, upper housing part and housing cover switching device housing.
  • connecting rails protrude from the top of the housing and are surrounded at the end by frame clamps.
  • the metallic frame clamps consist of a clamping frame, a clamping bracket and a clamping screw.
  • the box terminals are mounted in a box-shaped terminal housing.
  • the terminal housings can be attached to the upper part of the housing via hook-shaped projections and have access openings for the conductors to be connected on the connection side and access openings for a screwing tool for actuating the clamping screws on the front side.
  • such frame clamps are held on their clamping frame by nubs on the inner walls of the terminal housing.
  • box terminals are inserted into a terminal housing opposite the front panel,
  • the nipples formed on the inner walls of the terminal housing are held by their clamping frames and laterally pushed from the connection side via connecting bars projecting from a housing top part.
  • the terminal housing can be latched to the upper housing part by means of corresponding latching means
  • a housing cover to be fastened with two screws is placed between the two terminal housings
  • the box terminals are inserted from the front into box terminals
  • Terminal housings are replaced by a with access openings to d provided clamping screws and covered on the top of the housing with two screws to be fastened housing cover front and locked.
  • DE 195 14 842 A1 shows a process plug. Its encapsulation consists of a base part on which after insertion of a printed circuit board, a hood is placed to complete the encapsulation. The U-shaped hood is designed to receive a multipole process plug. Such connection elements are not suitable for high currents and mechanical loads as they occur at terminals of contactors.
  • DE 698 00 453 T2 shows a multi-pole electrical switching device with a not further running switchgear housing from the connection side connecting rails protrude. Frame clamps are to be pushed over the connecting rails and picked up by a box-like terminal housing.
  • the terminal housing can be attached to the switchgear housing and can be closed on the connection side by a removable cover equipped with cable entry openings.
  • each two terminal housing and to be mounted on the upper housing part housing cover to be mounted. From this, the task of the invention is derived from the simplification of the technical connection completion.
  • the integration of the terminal housing according to the invention in a two-part housing cover leads to a reduction of the housing parts necessary for the connection technical completion by a third.
  • the equipped with the frame clamps cover halves are easy to attach to the upper housing part.
  • cover halves and upper housing part of advantage when provided on the side walls and on the terminal housings in operative connection, in particular in clamping connection, passing guide and counter guide means, in particular to the front side parallel guide rails on the side walls and guide grooves on the cover halves are.
  • the side walls of the upper housing part surround the side of the housing designed as terminal housing connection leg and enter into a latching connection with these.
  • the counter-locking means cooperating with the latching means provided on the connection-side cover legs are formed in the side walls.
  • FIG. 1 and Fig. 2 an upper housing part 2 and two cover halves 4 and 6 are shown by the switching device housing of the three-pole contactor according to the invention.
  • the upper housing part 2 is placed on a lower housing part, but is not as essential for the invention not shown and takes on the magnetic drive of the contactor.
  • connecting rails 8 are fixed, which protrude on each connection side 10 and 12 to the outside. Inside the upper housing part 2 The connecting rails 8 end with fixed contacts which are connected or disconnected in poleways via contact bridges, likewise not shown, which are actuated by the magnetic drive.
  • the lid halves 4 and 6 are formed as opposing spatial Irelandeckwi n-kel.
  • the cover halves 4 and 6 each consist of a front side cover leg 16 ending with the front side 14 of the contactor and of a connection side cover leg 18 terminating with the respective connection side 10 or 12.
  • connection side 10 and 12 are provided for each connection side 10 and 12.
  • the metallic frame clamps 20 consist in the usual way of a clamping frame 22, a clamping bracket 24 and a clamping screw 26.
  • the box-like connection side cover leg 18 rectangular receiving spaces 28, in which the frame terminals 20 opposite to the front 14 are introduced.
  • the connection-side cover legs 18 thus serve as a terminal housing.
  • pointed nipples 30 are formed opposite, as shown in FIG., Between which the frame clamps 20 are clamped over their clamping frame 22.
  • the equipped with the frame clamps 20 cover halves 4 and 8 are pushed with a lateral movement in the direction of the connecting rails 8 on the upper housing part 2.
  • the clamping frames 22 surround the connecting rails 8.
  • guide means 34 are formed in the form of guide rails.
  • counter guide means 36 are formed in the form of guide grooves.
  • connection side cover legs 18 are formed on each lateral outer surface two locking means 38 in the form of locking nubs, 4 and 6 in pushing the cover halves in each case two counter-locking means 40 in the form from formed on the side walls 32 Engage latching openings and thus hold the cover halves 4 and 6 stably on the upper housing part 2.

Abstract

The protection switch has a switch housing provided by a housing lower part, a housing upper part (2) and a housing cover on the front side, with terminal rails (8) projecting to either side of the housing upper part engaged by frame clamps (20) clipped to the terminal sides (10,12) of the housing upper part. The housing cover is provided by 2 right-angle halves (4,6) with their front arms (16) fitting together and their side arms (18) forming clamp housings for the frame clamps.

Description

Die Erfindung betrifft ein Schaltschütz mit Rahmenklemmen nach dem Oberbegriff von Anspruch 1.The invention relates to a contactor with frame terminals according to the preamble of claim 1.

In der Druckschrift DE 3932502 A1 wird ein dreipoliges Schaltschütz mit einem aus Gehäuseunterteil, Gehäuseoberteil und Gehäusedeckel bestehenden Schaltgerätegehäuse beschrieben. Auf jeder Anschlussseite ragen aus dem Gehäuseoberteil Anschlussschienen heraus, die endseitig von Rahmenklemmen umgeben sind. Die metallischen Rahmenklemmen bestehen aus einem Klemmrahmen, einem Klemmbügel und einer Klemmschraube. Auf jeder Anschlussseite sind die Rahmenklemmen in einem kastenförmigen Klemmengehäuse gelagert. Die Klemmengehäuse sind über hakenförmige Ansätze am Gehäuseoberteil befestigbar und weisen an der Anschlussseite Zuführöffnungen für anzuschließende Leiter sowie an der Frontseite Zutrittsöffnungen für ein Schraubwerkzeug zum Betätigen der Klemmschrauben auf. Nach EP 880198 A2 werden derartiger Rahmenklemmen über ihren Klemmrahmen durch Noppen an den Innenwänden des Klemmengehäuses gehalten.In the document DE 3932502 A1, a three-pole contactor is described with an existing housing lower part, upper housing part and housing cover switching device housing. On each connection side, connecting rails protrude from the top of the housing and are surrounded at the end by frame clamps. The metallic frame clamps consist of a clamping frame, a clamping bracket and a clamping screw. On each connection side, the box terminals are mounted in a box-shaped terminal housing. The terminal housings can be attached to the upper part of the housing via hook-shaped projections and have access openings for the conductors to be connected on the connection side and access openings for a screwing tool for actuating the clamping screws on the front side. According to EP 880198 A2 such frame clamps are held on their clamping frame by nubs on the inner walls of the terminal housing.

Bei einem Schaltschütz der Firma Siemens AG vom Typ 3RT10, S3 (Firmenkatalog "Schaltgeräte für die Industrie Katalog LV10 2004 vom 26.08.03, Seiten 2/3, 5, 54, 98, 229) werden Rahmenklemmen entgegen der Frontseite in ein Klemmengehäuse eingeführt, durch an den Innenwänden der Klemmengehäuse ausgebildete Noppen über ihre Klemmrahmen gehalten und von der Anschlussseite seitlich über aus einem Gehäuseoberteil ragende Anschlussschienen geschoben. Die Klemmengehäuse sind über entsprechende Rastmittel am Gehäuseoberteil verrastbar. Zwischen beiden Klemmengehäusen wird auf das Gehäuseoberteil ein mit zwei Schrauben zu befestigender Gehäusedeckel aufgesetzt, wobei die Klemmengehäuse arretiert werden. Bei einem weiteren Schaltschütz der Firma Siemens AG vom Typ 3RT10, S2 (ebenda, Seiten 2/2, 5, 53, 97, 229) werden die Rahmenklemmen von der Frontseite in Rahmenklemmen eingeführt. Die am Gehäuseoberteil verrasteten Klemmengehäuse werden durch einen mit Zutrittsöffnungen zu den Klemmschrauben versehenen und auf das Gehäuseoberteil mit zwei Schrauben zu befestigenden Gehäusedeckel frontseitig bedeckt und arretiert.In the case of a contactor made by Siemens AG type 3RT10, S3 (company catalog "Industrial Switchgear Catalog LV10 2004 of 26.08.03, pages 2/3, 5, 54, 98, 229), box terminals are inserted into a terminal housing opposite the front panel, The nipples formed on the inner walls of the terminal housing are held by their clamping frames and laterally pushed from the connection side via connecting bars projecting from a housing top part.The terminal housing can be latched to the upper housing part by means of corresponding latching means A housing cover to be fastened with two screws is placed between the two terminal housings In the case of another contactor made by Siemens AG type 3RT10, S2 (ibid, pages 2/2, 5, 53, 97, 229), the box terminals are inserted from the front into box terminals Terminal housings are replaced by a with access openings to d provided clamping screws and covered on the top of the housing with two screws to be fastened housing cover front and locked.

Die DE 195 14 842 A1 zeigt einen Prozessstecker. Dessen Kapselung besteht aus einem Basisteil, auf das nach Einschieben einer Leiterplatte eine Haube zur Vervollständigung der Kapselung aufgesetzt wird. Die U-förmige Haube ist zur Aufnahme eines vielpoligen Prozesssteckers ausgebildet. Derartige Anschlusselemente sind nicht für hohe Ströme und mechanische Belastungen, wie sie an Anschlussklemmen von Schaltschützen auftreten, geeignet.DE 195 14 842 A1 shows a process plug. Its encapsulation consists of a base part on which after insertion of a printed circuit board, a hood is placed to complete the encapsulation. The U-shaped hood is designed to receive a multipole process plug. Such connection elements are not suitable for high currents and mechanical loads as they occur at terminals of contactors.

Die DE 698 00 453 T2 (EP 896 387 B1) zeigt ein mehrpoliges elektrisches Schaltgerät mit einem nicht weiter ausgeführten Schaltgerätegehäuse, aus dessen Anschlussseite Anschlussschienen ragen. Über die Anschlussschienen sind Rahmenklemmen zu schieben, die von einem kastenartigen Klemmengehäuse aufgenommen werden. Das Klemmengehäuse ist am Schaltgerätegehäuse befestigbar und anschlussseitig von einem abnehmbaren und mit Kabeleintrittöffnungen ausgestatteten Deckel verschließbar.DE 698 00 453 T2 (EP 896 387 B1) shows a multi-pole electrical switching device with a not further running switchgear housing from the connection side connecting rails protrude. Frame clamps are to be pushed over the connecting rails and picked up by a box-like terminal housing. The terminal housing can be attached to the switchgear housing and can be closed on the connection side by a removable cover equipped with cable entry openings.

Zur anschlusstechnischen Komplettierung der bekannten Schaltschütze sind jeweils zwei Klemmengehäuse und ein am Gehäuseoberteil zu befestigender Gehäusedeckel zu montieren. Daraus leitet sich als Aufgabe der Erfindung die Vereinfachung der anschlusstechnischen Komplettierung ab.For connection technical completion of the known contactors are each two terminal housing and to be mounted on the upper housing part housing cover to be mounted. From this, the task of the invention is derived from the simplification of the technical connection completion.

Ausgehend von einem Schaltschütz der eingangs genannten Art wird die Aufgabe erfindungsgemäß durch die Merkmale des unabhängigen Anspruches gelöst, während den abhängigen Ansprüchen vorteilhafte Weiterbildungen der Erfindung zu entnehmen sind.Starting from a contactor of the type mentioned, the object is achieved by the features of the independent claim, while the dependent claims advantageous developments of the invention are apparent.

Die erfindungsgemäße Integration der Klemmengehäuse in einem zweiteiligen Gehäusedeckel führt zu einer Verminderung der zur anschlusstechnischen Komplettierung notwendigen Gehäuseteile um ein Drittel. Die mit den Rahmenklemmen bestückten Deckelhälften sind in einfacher Weise auf dem Gehäuseoberteil zu befestigen.The integration of the terminal housing according to the invention in a two-part housing cover leads to a reduction of the housing parts necessary for the connection technical completion by a third. The equipped with the frame clamps cover halves are easy to attach to the upper housing part.

Es ist für das Zusammenfügen von Deckelhälften und Gehäuseoberteil von Vorteil, wenn an den Seitenwänden und an den Klemmengehäusen miteinander in Wirkverbindung, insbesondere in Klemmverbindung, tretende Führungs- und Gegenführungsmittel, insbesondere zur Frontseite parallel verlaufende Führungsleisten an den Seitenwänden und Führungsnuten an den Deckelhälften, vorgesehen sind.It is for the assembly of cover halves and upper housing part of advantage when provided on the side walls and on the terminal housings in operative connection, in particular in clamping connection, passing guide and counter guide means, in particular to the front side parallel guide rails on the side walls and guide grooves on the cover halves are.

Eine vorteilhafte Weiterbildung der Erfindung besteht darin, dass die Seitenwände des Gehäuseoberteils die als Klemmengehäuse ausgebildeten anschlussseitigen Deckelschenkel seitlich umgreifen und mit diesen eine Rastverbindung eingehen. Hierbei ist es wiederum vorteilhaft, wenn in den Seitenwänden die mit den an den anschlussseitigen Deckelschenkeln vorgesehenen Rastmitteln zusammenwirkenden Gegenrastmittel ausgebildet sind.An advantageous development of the invention is that the side walls of the upper housing part surround the side of the housing designed as terminal housing connection leg and enter into a latching connection with these. In this case, it is again advantageous if the counter-locking means cooperating with the latching means provided on the connection-side cover legs are formed in the side walls.

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

Figur 1:
die Explosionsdarstellung des oberen Teils eines erfindungsgemäßen Schaltschützes;
Figur 2:
die zusammengebaute Darstellung des Schaltschützes entsprechend Fig. 1;
Figur 3:
eine Deckelhälfte mit aufzunehmenden Rahmenklemmen aus einer gegenüber Fig. 1 und Fig. 2 geänderten Blickrichtung;
Figur 4:
eine mit Rahmenklemmen bestückte Deckelhälfte aus Blickrichtung gemäß Fig. 3;
Figur 5:
die Deckelhälfte mit aufzunehmenden Rahmenklemmen aus einer gegenüber Fig. 3 wiederum geänderten Blickrichtung.
Further details and advantages of the invention will become apparent from the following, explained with reference to figures embodiment. Show it
FIG. 1:
the exploded view of the upper part of a contactor according to the invention;
FIG. 2:
the assembled representation of the contactor according to Fig. 1;
FIG. 3:
a cover half with male box terminals to be received from a direction of view which has changed compared to FIGS. 1 and 2;
FIG. 4:
a lid half equipped with frame clamps as viewed in FIG. 3;
FIG. 5:
the lid half with male terminals to be received from a comparison with FIG. 3, in turn changed viewing direction.

In Fig. 1 und Fig. 2 sind von dem Schaltgerätegehäuse des erfindungsgemäßen dreipoligen Schaltschützes ein Gehäuseoberteil 2 und zwei Deckelhälften 4 und 6 dargestellt. Das Gehäuseoberteil 2 wird auf ein Gehäuseunterteil aufgesetzt, ist jedoch als für die Erfindung unwesentlich nicht dargestellt und nimmt den Magnetantrieb des Schaltschützes auf. Im Oberteil 2 sind Anschlussschienen 8 befestigt, die auf jeder Anschlussseite 10 bzw. 12 nach außen ragen. Im Inneren des Gehäuseoberteils 2 enden die Anschlussschienen 8 mit feststehenden Kontakten, die polweise über ebenfalls nicht dargestellte Kontaktbrücken, die von dem Magnetantrieb betätigt werden, verbunden bzw. getrennt werden.In Fig. 1 and Fig. 2, an upper housing part 2 and two cover halves 4 and 6 are shown by the switching device housing of the three-pole contactor according to the invention. The upper housing part 2 is placed on a lower housing part, but is not as essential for the invention not shown and takes on the magnetic drive of the contactor. In the upper part 2 connecting rails 8 are fixed, which protrude on each connection side 10 and 12 to the outside. Inside the upper housing part 2 The connecting rails 8 end with fixed contacts which are connected or disconnected in poleways via contact bridges, likewise not shown, which are actuated by the magnetic drive.

Die Deckelhälften 4 und 6 sind als sich gegenüberstehende räumliche Rechteckwi n-kel ausgebildet. Die Deckelhälften 4 und 6 bestehen jeweils aus einem mit der Frontseite 14 des Schaltschützes abschließenden frontseitigen Deckelschenkel 16 und aus einem mit der jeweilige Anschlussseite 10 bzw. 12 abschließenden anschlussseitigen Deckelschenkel 18.The lid halves 4 and 6 are formed as opposing spatial Rechteckwi n-kel. The cover halves 4 and 6 each consist of a front side cover leg 16 ending with the front side 14 of the contactor and of a connection side cover leg 18 terminating with the respective connection side 10 or 12.

Weiterhin sind für jede Anschlussseite 10 und 12 drei Rahmenklemmen 20 vorgesehen. Die metallischen Rahmenklemmen 20 bestehen in üblicher Weise aus einem Klemmrahmen 22, einem Klemm bügel 24 und einer Klemmschraube 26. Nach Fig. 3 und Fig. 5 weisen die kastenartig ausgebildeten anschlussseitigen Deckelschenkel 18 quaderförmige Aufnahmeräume 28 auf, in welche die Rahmenklemmen 20 entgegengesetzt zur Frontseite 14 eingeführt werden. Die anschlussseitigen Deckelschenkel 18 dienen damit als Klemmengehäuse. An den Innenwänden der Aufnahmeräume 28 sind gemäß Fig. 5 gegenüberliegend spitznasige Noppen 30 ausgebildet, zwischen denen die Rahmenklemmen 20 über ihren Klemmrahmen 22 klemmend gehalten werden.Furthermore, three frame terminals 20 are provided for each connection side 10 and 12. The metallic frame clamps 20 consist in the usual way of a clamping frame 22, a clamping bracket 24 and a clamping screw 26. According to Fig. 3 and Fig. 5, the box-like connection side cover leg 18 rectangular receiving spaces 28, in which the frame terminals 20 opposite to the front 14 are introduced. The connection-side cover legs 18 thus serve as a terminal housing. On the inner walls of the receiving spaces 28 5 pointed nipples 30 are formed opposite, as shown in FIG., Between which the frame clamps 20 are clamped over their clamping frame 22.

Die mit den Rahmenklemmen 20 bestückten Deckelhälften 4 und 8 werden mit einer seitlichen Bewegung in Richtung zu den Anschlussschienen 8 auf das Gehäuseoberteil 2 geschoben. Dabei umfangen die Klemmrahmen 22 die Anschlussschienen 8. An den Innenseiten der gegenüberstehenden Seitenwänden 32 des Gehäuseoberteils 2 sind parallel zur Frontseite 14 verlaufende Führungsmittel 34 in Form von Führungsleisten ausgebildet. An den seitlichen Außenflächen der frontseitigen Deckelschenkel 16 sind parallel zur Frontseite 14 verlaufende Gegenführungsmittel 36 in Form von Führungsnuten ausgebildet. Beim Aufschieben der Deckelhälften 4 und 6 greifen die Führungsmittel 34 in die Gegenführungsmittel 36. An den anschlussseitigen Deckelschenkeln 18 sind auf jeder seitlichen Außenfläche zwei Rastmittel 38 in Form von Rastnoppen ausgebildet, die beim Aufschieben der Deckelhälften 4 und 6 in jeweils zwei Gegenrastmittel 40 in Form von an den Seitenwänden 32 ausgebildeten Rastöffnungen einrasten und damit die Deckelhälften 4 und 6 stabil am Gehäuseoberteil 2 halten.The equipped with the frame clamps 20 cover halves 4 and 8 are pushed with a lateral movement in the direction of the connecting rails 8 on the upper housing part 2. In this case, the clamping frames 22 surround the connecting rails 8. On the inner sides of the opposite side walls 32 of the upper housing part 2 parallel to the front side 14 extending guide means 34 are formed in the form of guide rails. On the lateral outer surfaces of the front lid shank 16 parallel to the front side 14 extending counter guide means 36 are formed in the form of guide grooves. When sliding the cover halves 4 and 6, the guide means 34 engage in the counter guide means 36. On the connection side cover legs 18 are formed on each lateral outer surface two locking means 38 in the form of locking nubs, 4 and 6 in pushing the cover halves in each case two counter-locking means 40 in the form from formed on the side walls 32 Engage latching openings and thus hold the cover halves 4 and 6 stably on the upper housing part 2.

Im fertig montierten Zustand des Schaltschützes werden die Enden anzuschließender Leiter über Zuführöffnungen 42, die in den anschlussseitigen Deckelschenkeln 18 ausgespart sind, in die Rahmenklemmen 20 eingeführt. Durch Andrehen der Klemmschrauben 26 mittels eines Schraubwerkzeuges, das über in den frontseitigen Deckelschenkeln 18 vorgesehene Zutrittsöffnungen 44 eingeführt wird, werden die Leiterenden anschließend festgeklemmt.In the assembled state of the contactor, the ends to be connected conductors via feed openings 42 which are recessed in the terminal-side cover legs 18, inserted into the frame terminals 20. By turning the clamping screws 26 by means of a screwing tool, which is introduced via provided in the front lid legs 18 access openings 44, the conductor ends are then clamped.

Claims (6)

  1. A contactor with box terminals, comprising
    - a switchgear housing consisting of a housing bottom, a housing top (2) and a front housing cover,
    - terminal bars (8) fixed in the housing top (2) and projecting laterally therefrom and
    - box-type terminal housings with the box terminals (20) held therein and enclosing the terminal bars (8), said terminal housings being latchable to the housing top (2) from the terminal sides (10, 12) by means of latching means,
    characterised in that
    - the housing cover consists of two substantially right-angled cover halves (4, 6), which closely face one another with their front cover limbs (16), and
    - the cover halves (4, 6) are constructed as terminal housings with regard to their terminal-side cover limbs (18) and may be fixed to the housing top (2).
  2. A contactor according to the preceding claim, characterised in that the side walls (32) of the housing top (2) comprise guide means (34) extending parallel to the front (14) and perpendicularly to the terminal sides (10, 12), which guide means (34) interact with mating guide means (36) constructed on the front cover limbs (16).
  3. A contactor according to the preceding claim, characterised in that the guide means (34) interact in clamping manner with the mating guide means (36).
  4. A contactor according to one of the preceding two claims, characterised in that the guide means (34) are constructed as inwardly protruding guide strips and the mating guide means (36) are constructed as guide grooves.
  5. A contactor according to one of the preceding claims, characterised in that the side walls (32) of the housing top (2) enclose the sides of the terminal-side cover limbs (18) and interact latchingly therewith.
  6. A contactor according to the preceding claim, characterised in that latching means (38) provided on the terminal-side cover limbs (18) interact with mating latching means (40) provided on the side walls (32).
EP04787221A 2003-10-16 2004-09-27 Contactor equipped with box terminals Active EP1673795B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10348088A DE10348088B3 (en) 2003-10-16 2003-10-16 Electrical protection switch for switchgear with frame clamps fitted into side arms of 2-part housing cover for switch housing
PCT/EP2004/052321 WO2005038845A1 (en) 2003-10-16 2004-09-27 Contactor equipped with box terminals

Publications (2)

Publication Number Publication Date
EP1673795A1 EP1673795A1 (en) 2006-06-28
EP1673795B1 true EP1673795B1 (en) 2006-12-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP04787221A Active EP1673795B1 (en) 2003-10-16 2004-09-27 Contactor equipped with box terminals

Country Status (9)

Country Link
US (1) US7281959B2 (en)
EP (1) EP1673795B1 (en)
JP (1) JP4241829B2 (en)
CN (1) CN100456410C (en)
AT (1) ATE349069T1 (en)
DE (2) DE10348088B3 (en)
ES (1) ES2279449T3 (en)
HK (1) HK1095423A1 (en)
WO (1) WO2005038845A1 (en)

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DE102007032841A1 (en) * 2007-07-12 2009-01-15 Abb Ag Installation switching device with insulating housing
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ATE349069T1 (en) 2007-01-15
WO2005038845A1 (en) 2005-04-28
DE10348088B3 (en) 2005-01-20
JP2007507840A (en) 2007-03-29
CN100456410C (en) 2009-01-28
JP4241829B2 (en) 2009-03-18
DE502004002406D1 (en) 2007-02-01
EP1673795A1 (en) 2006-06-28
ES2279449T3 (en) 2007-08-16
HK1095423A1 (en) 2007-05-04
US20070128921A1 (en) 2007-06-07
CN1868020A (en) 2006-11-22
US7281959B2 (en) 2007-10-16

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