EP0240822B1 - Frame clamp for connecting an electric conductor - Google Patents

Frame clamp for connecting an electric conductor Download PDF

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Publication number
EP0240822B1
EP0240822B1 EP87104224A EP87104224A EP0240822B1 EP 0240822 B1 EP0240822 B1 EP 0240822B1 EP 87104224 A EP87104224 A EP 87104224A EP 87104224 A EP87104224 A EP 87104224A EP 0240822 B1 EP0240822 B1 EP 0240822B1
Authority
EP
European Patent Office
Prior art keywords
cover
frame
latching
terminal according
unit
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
EP87104224A
Other languages
German (de)
French (fr)
Other versions
EP0240822A1 (en
Inventor
Heinz Seidenbusch
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to AT87104224T priority Critical patent/ATE78956T1/en
Publication of EP0240822A1 publication Critical patent/EP0240822A1/en
Application granted granted Critical
Publication of EP0240822B1 publication Critical patent/EP0240822B1/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
    • 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
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36—Conductive members located under tip of screw
    • H01R4/363—Conductive members located under tip of screw with intermediate part between tip and conductive member

Definitions

  • the invention relates to a clamp with a latchable cover for connecting electrical conductors to a rail, consisting of a bracket connected to the rail with a thread for the connecting screw, which is surrounded by a U-shaped pressure piece guided in the head region of the connecting screw .
  • a bracket provided with the pressure screw can be connected to the mounting rail for grounding a mounting rail and can press a connecting conductor against the mounting rail.
  • a busbar is provided with an assembly foot for connection to a mounting rail via an insulating body.
  • the frame is fastened to the busbar by means of a spring tongue fastened to the frame which engages in a corresponding latching recess.
  • the present invention has for its object to provide a box clamp of the type mentioned above, which can be attached in a simple manner and is easily protected against external contact, preferably the so-called finger contact.
  • the bracket is designed as a closed frame for gripping around the busbar; that the cover has a channel for the unit consisting of frame, connecting screw and pressure piece, which can be inserted and locked into the channel is; that the cover has insertion funnels on one side, for the conductors which can be inserted into the frame through the insertion funnels; and that the cover on the side opposite the insertion funnels is provided with a recess corresponding to the busbar, so that the busbar can be inserted into the frame through the recess transversely to the direction in which the unit can be inserted into the channel.
  • the cover has a plurality of insertion chambers for the terminals and can be locked as a unit with an electrical device having the busbars as connections.
  • latching arms are provided for latching the frame in the cover, the return movement of which is blocked for release by latching the cover with the device.
  • connecting wires can be easily connected to a box clamp if the frame is provided with an inhibited position in the cover in front of the insertion funnel facing the connecting screw.
  • the Inhibited position is achieved by widening the web of the U-shaped pressure piece in cooperation with the inner wall of the insertion chamber.
  • the box clamp shown in the drawing consists of the frame 1, in which a thread 2 is provided for the connecting screw 3.
  • the pressure piece 4 is U-shaped and is guided with a recess 5 over the head 6 of the connecting screw 3, so that it is carried into the thread 2 when the connecting screw 3 is screwed in.
  • the unit consisting of frame, connecting screw and pressure piece is inserted into a channel 7 in a cover 8.
  • the walls 9 of the channel 7 flanking the frame 1 are partially slotted, so that resilient arms 10 are formed, on which claw-shaped projections 11 are formed, which engage in the insertion area of the frame 1 and thus prevent falling out after insertion of the unit.
  • the cover 8 has two insertion funnels 12, 13 for each box clamp, which are separated from one another by a web 14.
  • the busbar 16 connected to the electrical device 15 ends, so that the conductors 17 and 18 indicated in FIG. 2 can be inserted above and below the busbar into the frame through the insertion funnels 12, 13.
  • the pressure piece 4 is guided with the web 19 between two ribs 20 formed in the channels 7.
  • the web 19 is made wider in the central area and the distance between the guide ribs 20 becomes smaller in the upper area, so that the pressure piece after pushing up the box clamp, as can be seen in the middle part of FIG. 1, is clamped in this area, so that the clamp cannot move by itself if it is only open for one conductor.
  • the cover has rectangular recesses 21 into which correspondingly shaped lugs 22 of the device 15 can be inserted.
  • the cover 8 is closed on the opposite side of the insertion funnels 12, 13, so that the conductors 17 and 18 can only be inserted up to this wall.
  • a corresponding recess is provided in this wall for the busbar 16.
  • the design according to the invention thus provides a simple holder for box terminals with corresponding protection against accidental contact, which is simple to manufacture and assemble.
  • the prefabricated unit is locked onto the device and cannot be detached again without tools.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Connection Or Junction Boxes (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)

Abstract

A terminal assembly for a quick-connect terminal for connecting electrical conductors to a bus bar of associated electric equipment comprises a conductor frame extending around the bus bar with a thread for a terminal screw surrounded by a U-shaped pressure piece guided in the electrical conductor connecting region by the terminal screw. The terminal assembly is inserted into a longitudinal channel of an insulating cover from the bottom and is snapped into the cover. Two stacked funnels are provided in the cover for insertion of two electrical conductors per terminal assembly. The bus bar of the equipment is inserted into the cover and the terminal assembly transversely to the direction of insertion of the terminal assembly. The cover is secured to the equipment in such a way that it locks the terminal assembly in place within the cover. The insulating cover is so arranged about the electrical conductors and the bus bar of the equipment that the combination is safe from inadvertant human contact with the electrical connections.

Description

Die Erfindung bezieht sich auf eine Klemme mit verrastbarer Abdeckung zum Anschluß elektrischer Leiter an eine Schiene, bestehend aus einem mit der Schiene in Verbindung stehenden Bügel mit einem Gewinde für die Anschlußschraube, die von einem U-förmigen, im Kopfbereich der Anschlußschraube geführten Druckstück umgeben ist.The invention relates to a clamp with a latchable cover for connecting electrical conductors to a rail, consisting of a bracket connected to the rail with a thread for the connecting screw, which is surrounded by a U-shaped pressure piece guided in the head region of the connecting screw .

Bei einer bekannten Klemme der obengenannten Art (DE-A-23 52 432) ist zum Erden einer Tragschiene ein mit der Druckschraube versehener Bügel mit der Tragschiene verbindbar, der einen Anschlußleiter gegen die Tragschiene pressen kann.In a known terminal of the above-mentioned type (DE-A-23 52 432), a bracket provided with the pressure screw can be connected to the mounting rail for grounding a mounting rail and can press a connecting conductor against the mounting rail.

Bei einer weiterhin bekannten Rahmenklemme (DE-OS 2 161 882) ist eine Stromschiene über einen Isolierkörper mit einem Montagefuß zum Anschluß an einer Tragschiene versehen. Die Befestigung des Rahmens an der Stromschiene erfolgt über eine am Rahmen befestigten Federzunge, die in eine entsprechende Rastausnehmung hineingreift.In a further known frame clamp (DE-OS 2 161 882), a busbar is provided with an assembly foot for connection to a mounting rail via an insulating body. The frame is fastened to the busbar by means of a spring tongue fastened to the frame which engages in a corresponding latching recess.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Rahmenklemme der obengenannten Art zu schaffen, die auf einfache Weise befestigt werden kann und die gegen äußere Berührung, vorzugsweise die sogenannte Fingerbeberührung, auf einfache Weise geschützt ist. Dies wird auf einfache Weise dadurch erreicht, daß der Bügel als geschlossener Rahmen zum Umgreifen der Stromschiene ausgebildet ist; daß die Abdeckung einen Kanal aufweist, für die aus Rahmen, Anschlußschraube und Druckstück bestehende Einheit, welche in den Kanal einschiebbar und verrastbar ist; daß die Abdeckung auf einer Seite Einführtrichter aufweist, für die Leiter, welche in den Rahmen durch die Einführtrichter eingeführt werden können; und daß die Abdeckung auf der den Einführtrichtern gegenüberliegenden Seite derart mit einer der Stromschiene entsprechenden Aussparung versehen ist, daß die Stromschiene quer zur Richtung, in welche die Einheit in den Kanal einschiebbar ist, in den Rahmen durch die Aussparung eingeführt werden kann. Um mehrere Rahmenklemmen als Einheit mit einem elektrischen Gerät verbinden zu können ist es von Vorteil, wenn die Abdeckung mehrere Einschubkammern für die Klemmen aufweist und als Einheit mit einem die Stromschienen als Anschlüsse aufweisenden elektrischen Gerät verrastbar ist. Um zu vermeiden, daß sich die Einheit während des Betriebes vom Gerät löst, ist es weiterhin von Vorteil, wenn zur Verrastung des Rahmens in der Abdeckung Rastarme vorgesehen sind, deren Rückbewegung zur Freigabe durch das Verrasten der Abdeckung mit dem Gerät gesperrt ist. Eine einfache Ausführungsform hat sich hierfür ergeben, wenn die Rasteinrichtung für Einheit und Gerät jeweils zwischen zwei Einschubkammern liegt bzw. wenn die Rasteinrichtung quer zur Einschubrastung der Klemmen wirkt und der die Rasten tragende Vorsprung des Gerätegehäuses die Freigabestellung der Rastarme blockiert. Mehrere Anschlußdrähte können auf einfache Weise mit einer Rahmenklemme in Verbindung gebracht werden, wenn der Rahmen vor dem der Anschlußschraube zugewandten Einführtrichter mit einer Hemmstellung in der Abdeckung versehen ist. Um lediglich einen Draht, beispielsweise in den oberen Einführtrichter klemmen zu können ist es von Vorteil, wenn die Hemmstellung durch eine Verbreiterung des Steges des U-förmigen Druckstückes im Zusammenwirken an der Innenwand der Einschubkammer erreicht ist.The present invention has for its object to provide a box clamp of the type mentioned above, which can be attached in a simple manner and is easily protected against external contact, preferably the so-called finger contact. This is achieved in a simple manner in that the bracket is designed as a closed frame for gripping around the busbar; that the cover has a channel for the unit consisting of frame, connecting screw and pressure piece, which can be inserted and locked into the channel is; that the cover has insertion funnels on one side, for the conductors which can be inserted into the frame through the insertion funnels; and that the cover on the side opposite the insertion funnels is provided with a recess corresponding to the busbar, so that the busbar can be inserted into the frame through the recess transversely to the direction in which the unit can be inserted into the channel. In order to be able to connect several box terminals as a unit to an electrical device, it is advantageous if the cover has a plurality of insertion chambers for the terminals and can be locked as a unit with an electrical device having the busbars as connections. In order to prevent the unit from detaching from the device during operation, it is also advantageous if latching arms are provided for latching the frame in the cover, the return movement of which is blocked for release by latching the cover with the device. A simple embodiment has emerged for this when the latching device for the unit and device is located between two insertion chambers or when the latching device acts transversely to the insertion latching of the terminals and the latching projection of the device housing blocks the release position of the latching arms. Several connecting wires can be easily connected to a box clamp if the frame is provided with an inhibited position in the cover in front of the insertion funnel facing the connecting screw. In order to be able to clamp only one wire, for example in the upper insertion funnel, it is advantageous if the Inhibited position is achieved by widening the web of the U-shaped pressure piece in cooperation with the inner wall of the insertion chamber.

Anhand der Zeichnung wird ein Ausführungsbeispiel gemäß der Erfindung beschrieben und die Wirkungsweise näher erläutert.An exemplary embodiment according to the invention is described with reference to the drawing and the mode of operation is explained in more detail.

Es zeigen:

Fig. 1
eine Vorderansicht auf eine aus drei Rahmenklemmen bestehende Einheit zum Anschluß eines Schützes, zum Teil im Schnitt,
Fig. 2
eine Schnittdarstellung gemäß der Linie II-II nach Fig. 1,
Fig. 3
eine Schnittdarstellung gemäß der Linie III-III nach Fig. 1 und
Fig. 4
eine Querschnittsdarstellung gemäß der Linie IV-IV nach Fig. 1.
Show it:
Fig. 1
3 shows a front view of a unit consisting of three box terminals for connecting a contactor, partly in section,
Fig. 2
2 shows a sectional illustration along the line II-II according to FIG. 1,
Fig. 3
a sectional view along the line III-III of FIG. 1 and
Fig. 4
a cross-sectional view along the line IV-IV of FIG. 1st

Die in der Zeichnung dargestellte Rahmenklemme besteht aus dem Rahmen 1, in dem ein Gewinde 2 für die Anschlußschraube 3 vorgesehen ist. Das Druckstück 4 ist U-förmig geformt und ist mit einer Ausnehmung 5 über den Kopf 6 der Anschlußschraube 3 geführt, so daß es beim Eindrehen der Anschlußschraube 3 in das Gewinde 2 mitgeführt wird. Die aus Rahmen, Anschlußschraube und Druckstück bestehende Einheit wird jeweils in einen Kanal 7 in einer Abdeckung 8 eingeschoben. Die den Rahmen 1 flankierenden Wände 9 des Kanales 7 sind teilweise geschlitzt, so daß sich federnde Arme 10 bilden, an denen krallenförmige Ansätze 11 angeformt sind, die in den Einschubbereich des Rahmens 1 eingreifen und somit nach Einschub der Einheit ein Herausfallen verhindern. Die Abdeckung 8 hat für jede Rahmenklemme jeweils zwei Einführtrichter 12, 13, die durch einen Steg 14 voneinander getrennt sind. Hinter dem Steg 14 endet die mit dem elektrischen Gerät 15 verbundene Stromschiene 16, so daß die in Fig. 2 angedeuteten Leiter 17 und 18 oberhalb und unterhalb der Stromschiene in den Rahmen durch die Einführtrichter 12, 13 eingeführt werden können. Das Druckstück 4 wird mit dem Steg 19 zwischen zwei in den Kanälen 7 angeformten Rippen 20 geführt. Der Steg 19 ist im Mittelbereich breiter ausgeführt und der Abstand der Führungsrippen 20 wird im Oberbereich kleiner, so daß das Druckstück nach Hochschieben der Rahmenklemme, wie dies im mittleren Teil der Fig. 1 zu ersehen ist, in diesem Bereich verspannt wird, so daß sich die Klemme, wenn sie nur für einen Leiter geöffnet ist, nicht von selbst verschieben kann. Zwischen den einzelnen Kammern besitzt die Abdeckung quaderförmige Ausnehmungen 21, in die entsprechend geformte Ansätze 22 des Gerätes 15 eingeschoben werden können. Ein in der Ausnehmung angeformter Rasthaken 23, der in eine entsprechende Rastausnehmung 24 des Gerätes 15 eingreifen kann, dient zur Halterung der Abdeckung am Gerät 15. Dadurch, daß der Ansatz 22 an den Wänden 9 anliegt und auch im Bereich der federnden Arme 10 die quaderförmige Ausnehmung 21 ausfüllt, ist ein Zurückfedern der federnden Arme 10 ausgeschlossen, so daß ein Herausdrücken des Rahmens 1 aus dem Kanal 7 unmöglich ist. Die Abdeckung 8 ist auf der den Einführtrichtern 12, 13 gegenüberliegenden Seite geschlossen ausgeführt, so daß die Leiter 17 und 18 nur bis zu dieser Wand eingeschoben werden können. Für die Stromschiene 16 ist eine entsprechende Aussparung in dieser Wand vorhanden. Auf der dem Kanal 7 gegenüberliegenden Seit der Abdeckung ist eine Schraubendrehereinführöffnung 25 vorhanden, so daß auch der Schraubenkopf 6 gegen Berührung durch Finger geschützt ist.The box clamp shown in the drawing consists of the frame 1, in which a thread 2 is provided for the connecting screw 3. The pressure piece 4 is U-shaped and is guided with a recess 5 over the head 6 of the connecting screw 3, so that it is carried into the thread 2 when the connecting screw 3 is screwed in. The unit consisting of frame, connecting screw and pressure piece is inserted into a channel 7 in a cover 8. The walls 9 of the channel 7 flanking the frame 1 are partially slotted, so that resilient arms 10 are formed, on which claw-shaped projections 11 are formed, which engage in the insertion area of the frame 1 and thus prevent falling out after insertion of the unit. The cover 8 has two insertion funnels 12, 13 for each box clamp, which are separated from one another by a web 14. Behind the web 14, the busbar 16 connected to the electrical device 15 ends, so that the conductors 17 and 18 indicated in FIG. 2 can be inserted above and below the busbar into the frame through the insertion funnels 12, 13. The pressure piece 4 is guided with the web 19 between two ribs 20 formed in the channels 7. The web 19 is made wider in the central area and the distance between the guide ribs 20 becomes smaller in the upper area, so that the pressure piece after pushing up the box clamp, as can be seen in the middle part of FIG. 1, is clamped in this area, so that the clamp cannot move by itself if it is only open for one conductor. Between the individual chambers, the cover has rectangular recesses 21 into which correspondingly shaped lugs 22 of the device 15 can be inserted. A locking hook 23 integrally formed in the recess, which can engage in a corresponding locking recess 24 of the device 15, serves to hold the cover on the device 15. Because the shoulder 22 abuts the walls 9 and also in the area of the resilient arms 10 fills the cuboid recess 21, springing back of the resilient arms 10 is excluded, so that pressing the frame 1 out of the channel 7 is impossible. The cover 8 is closed on the opposite side of the insertion funnels 12, 13, so that the conductors 17 and 18 can only be inserted up to this wall. A corresponding recess is provided in this wall for the busbar 16. On the opposite side of the channel 7 there is a screwdriver insertion opening 25, so that the screw head 6 is also protected against finger contact.

Durch die erfindungsgemäße Ausführung ist somit eine einfache Halterung für Rahmenklemmen mit entsprechendem Berührungsschutz gegeben, die einfach herzustellen und zu montieren ist. Die vorgefertigte Einheit wird am Gerät verrastet und ist ohne Hilfsmittel nicht wieder lösbar.The design according to the invention thus provides a simple holder for box terminals with corresponding protection against accidental contact, which is simple to manufacture and assemble. The prefabricated unit is locked onto the device and cannot be detached again without tools.

Claims (8)

  1. Terminal with latching cover (8) for connecting electrical conductors (17, 18) to a current rail (16), consisting of a clamp (1) encompassing the rail, with a thread (2) for a connection screw (3), which is surrounded by a U-shaped pressure piece (4) guided in the head region of the connection screw, characterized in that the clamp (1) is constructed as a closed frame for encompassing the current rail (16);
    the cover has a channel (7) for the unit consisting of frame (1), connection screw (3) and pressure piece (4), which unit can be inserted and latched into the channel (7);
    the cover has inlet funnels (13, 14) on one side, for the conductors (17, 18), which can be introduced into the frame through the inlet funnels; and
    on the side opposite the inlet funnels the cover is provided with a recess, corresponding with the current rail, in such a way that the current rail (16) can be introduced into the frame through the recess at right angles to the direction in which the unit can be inserted into the channel (7).
  2. Frame terminal according to claim 1, characterized in that the cover (8) has several insertion chambers (7) for the terminals (1) and can be latched as a unit with an electrical apparatus (15) having the current rails (16) as connections.
  3. Frame terminal according to claim 2, characterized in that for the latching of the frame (1) in the cover (8) latching arms (10) are provided, the return movement of which for release is blocked by the latching (23, 24) of the cover (8) with the apparatus (15).
  4. Frame terminal according to claim 2 or 3, characterized in that the latching device (23, 24) for unit and apparatus (15) in each case lies between two insertion chambers (7).
  5. Frame terminal according to claim 4, characterized in that the latching device operates at right angles to the insertion latching of the terminals (1) and the projection of the apparatus housing (15) carrying the latches (24) blocks the release position of the latching arms (10).
  6. Frame terminal according to one of the preceding claims, characterized in that the cover (8) per chamber (7) has two inlet funnels (12, 13) which are superjacent in the direction of the screw and which are separated by a bar (14) covering the current rails (16).
  7. Frame terminal according to claim 6, characterized in that in front of the inlet funnel (12) facing the connection screw (3) the frame (1) is provided with a stopping position (19, 20) in the cover (8).
  8. Frame terminal according to claim 7, characterized in that the stopping position is achieved by a widening of the bar (19) of the U-shaped pressure piece (4) in cooperation with a reduction of the distance of guide bars (20) at the inner wall of the insertion chamber (7).
EP87104224A 1986-04-04 1987-03-23 Frame clamp for connecting an electric conductor Expired - Lifetime EP0240822B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87104224T ATE78956T1 (en) 1986-04-04 1987-03-23 FRAME CLAMP FOR CONNECTING ELECTRICAL CONDUCTORS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3611366 1986-04-04
DE3611366 1986-04-04

Publications (2)

Publication Number Publication Date
EP0240822A1 EP0240822A1 (en) 1987-10-14
EP0240822B1 true EP0240822B1 (en) 1992-07-29

Family

ID=6297960

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87104224A Expired - Lifetime EP0240822B1 (en) 1986-04-04 1987-03-23 Frame clamp for connecting an electric conductor

Country Status (6)

Country Link
US (1) US4790778A (en)
EP (1) EP0240822B1 (en)
JP (1) JP2707514B2 (en)
AT (1) ATE78956T1 (en)
DE (1) DE3780672D1 (en)
IN (1) IN164670B (en)

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US7103197B2 (en) * 1993-11-18 2006-09-05 Digimarc Corporation Arrangement for embedding subliminal data in imaging
DE9406404U1 (en) * 1994-04-20 1994-06-23 Moeller GmbH, 53115 Bonn Electrical switching device with blow-out channels for arc gases
FR2720862B1 (en) * 1994-06-06 1996-07-05 Schneider Electric Sa Connection terminal for electrical equipment.
JP2891448B2 (en) * 1994-06-21 1999-05-17 株式会社壬生電機製作所 Terminal block
FR2740265B1 (en) * 1995-10-18 1997-11-14 Schneider Electric Sa BLOCK FOR CONNECTING ELECTRICAL CONDUCTORS TO AN ELECTRICAL APPARATUS
ATE238621T1 (en) * 1997-03-10 2003-05-15 Siemens Ag DISTRIBUTION SYSTEM WITH DISTANCE ELEMENT
EP0865128A1 (en) * 1997-03-10 1998-09-16 Siemens Aktiengesellschaft Distribution system
DE29707161U1 (en) * 1997-04-21 1997-07-17 Siemens AG, 80333 München Connector
DE59807510D1 (en) * 1997-04-21 2003-04-24 Siemens Ag Device that can be snapped onto mounting rails
FR2816764B1 (en) * 2000-11-15 2003-08-15 Entrelec Sa CONNECTION DEVICE FOR TWO ELECTRIC CABLES
US6856055B2 (en) 2002-07-11 2005-02-15 Emerson Electric Co. Interconnecting ring and wire guide
US6941638B2 (en) 2002-07-11 2005-09-13 Emerson Electric Co. Interconnecting method for segmented stator electric machines
TWI263384B (en) 2002-12-19 2006-10-01 Fuji Electric Co Ltd Terminal device for electrical equipment
DE102007041249A1 (en) * 2006-10-28 2008-04-30 Abb Ag Installation switching device and connection terminal for an installation switching device
DE102007058040A1 (en) * 2007-11-30 2009-06-10 Phoenix Contact Gmbh & Co. Kg Device and method for the captive acceptance of a screw on a terminal
JP5384846B2 (en) * 2008-04-03 2014-01-08 矢崎総業株式会社 Relief terminal structure
FR2986664B1 (en) * 2012-02-03 2014-02-14 Abb France ELECTRICAL CONNECTION TERMINAL
US9812829B1 (en) * 2016-11-10 2017-11-07 Schneider Electric USA, Inc. Wiring connector for two wire to two point connection

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DE3417010A1 (en) * 1984-05-09 1985-11-14 Karl Lumberg GmbH & Co, 5885 Schalksmühle ELECTRICAL TERMINAL

Also Published As

Publication number Publication date
EP0240822A1 (en) 1987-10-14
DE3780672D1 (en) 1992-09-03
ATE78956T1 (en) 1992-08-15
US4790778A (en) 1988-12-13
JPS62241272A (en) 1987-10-21
IN164670B (en) 1989-05-06
JP2707514B2 (en) 1998-01-28

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