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EP0310885B1 - Contacteur électrique - Google Patents

Contacteur électrique Download PDF

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Publication number
EP0310885B1
EP0310885B1 EP88115656A EP88115656A EP0310885B1 EP 0310885 B1 EP0310885 B1 EP 0310885B1 EP 88115656 A EP88115656 A EP 88115656A EP 88115656 A EP88115656 A EP 88115656A EP 0310885 B1 EP0310885 B1 EP 0310885B1
Authority
EP
European Patent Office
Prior art keywords
slide
switching apparatus
electrical switching
conductors
switching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP88115656A
Other languages
German (de)
English (en)
Other versions
EP0310885A2 (fr
EP0310885A3 (en
Inventor
Günter Otte
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.)
ABB AG Germany
ABB AB
Original Assignee
Asea Brown Boveri AG Germany
Asea Brown Boveri AB
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 Asea Brown Boveri AG Germany, Asea Brown Boveri AB filed Critical Asea Brown Boveri AG Germany
Priority to AT88115656T priority Critical patent/ATE103413T1/de
Publication of EP0310885A2 publication Critical patent/EP0310885A2/fr
Publication of EP0310885A3 publication Critical patent/EP0310885A3/de
Application granted granted Critical
Publication of EP0310885B1 publication Critical patent/EP0310885B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02—Details
    • H01H23/12—Movable parts; Contacts mounted thereon
    • H01H23/16—Driving mechanisms
    • H01H23/164—Driving mechanisms with rectilinearly movable member carrying the contacts
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5855—Electric connections to or between contacts; Terminals characterised by the use of a wire clamping screw or nut
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
    • H01H11/06—Fixing of contacts to carrier ; Fixing of contacts to insulating carrier
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers

Definitions

  • the invention relates to an electrical switching device according to the preamble of claim 1, as disclosed in document DE-B-1 226 677.
  • Electrical switchgear for installation in low-voltage distributors and in metering stations are usually designed in a narrow construction today and attached to one another on mounting rails.
  • manually operated switching devices are also used, the external shape of which is adapted to the modular design of the automatic switch, but which are multi-pole with the full module width.
  • the individual switch poles are insulated from one another by insulating plates which are loosely inserted between the housing halves. These insulating plates, which are provided as a separate part, often consist of laminate. However, they can also be used as a molded plate.
  • the object of the invention is to provide a switching device of the type mentioned at the outset which permits production to be as inexpensive as possible and in which the disadvantages described are avoided.
  • the central base has a base part which is arranged on the rear of the housing and with an intermediate wall which divides the central base into a first and a second region and which is arranged parallel to the two covers between the two narrow sides is connected in one piece.
  • This intermediate wall has labyrinth-like projections formed in mirror image on its two flat sides, which serve to receive and guide the contact pieces, connecting conductors and the connecting terminals. It proves to be advantageous to carry out the approaches, which at least in sections on both sides connect the connecting terminals and the connecting conductors and contact pieces, at the same depth, so that there is a flat mounting surface on the intermediate base, which enables the assembly to be automated.
  • each area has a slide for actuating the movable contact pieces associated with this area, which slide is in engagement with the control handle.
  • a slide has a sliding axis that runs vertically to the bottom part and is arranged on both sides of the intermediate wall in the middle thereof. Appropriately prepared approaches form a guide for the slide.
  • a common slide is provided for both areas of the central base, which serves for the simultaneous actuation of the movable contact pieces arranged on both sides of the intermediate wall and is also in engagement with the control handle.
  • the slide which also has a slide axis running vertically to the base part, is guided in a recess provided in the middle of the intermediate wall, which extends from the base part to the front.
  • the slide is of such a thickness that it is flush with the center base.
  • additional approaches can be provided on the intermediate wall, which improve the guidance of the slide, e.g. B. to prevent tilting.
  • the connecting conductors as flat conductors, the narrow sides of which engage in the pocket-like, labyrinth-like projections on the intermediate wall and are completely covered by these with respect to their width.
  • the connecting terminals are designed in a known manner as lifting terminals and are inserted into the spaces formed by the fits formed with a precise fit, a clamping effect being established which prevents the connecting terminals from inadvertently sliding out of the intermediate base.
  • the connecting conductors the width of which corresponds to that of the connecting terminal, engage with one end in the receiving opening of the connecting terminal.
  • a molding is provided on the two narrow sides, according to which the connecting conductors in this area have a width corresponding to the clear width of the receiving opening of the connecting terminal.
  • the respective connecting conductor again reaches its original width dimension, so that in this simple manner a secure, form-fitting anchoring in the connecting terminal is achieved without a special clamping effect using the clamping screw.
  • the contact points are further provided to design the contact points with two fixed contact pieces which are connected to one another by a movable contact piece designed as a bridge element.
  • This movable contact piece is resiliently attached to the aforementioned slide, so that irrespective of any tolerance-related skewing of both the contact pieces and the slide, the contact pieces each work together with sufficient support and contact force.
  • a preferred embodiment of the invention provides that the contact pieces used in the switching device according to the invention are formed from flat conductors which are provided at their end reaching into the contact point with a contact plate which has sufficient resistance to arcing. It is contemplated to connect the fixed contact pieces in one piece with the respective connecting conductor to the associated terminal.
  • the movable contact pieces are designed as traverses made of flat conductor material, their length being adapted to the distance between the contact plates of the two fixed contact pieces assigned to one another.
  • a contact plate is attached to the two ends of the crossbar, which is aligned with the opposite contact plate attached to the associated fixed contact piece.
  • the slide according to the invention has transverse slots into which the traverses of the movable contact pieces are each inserted and acted upon by compression springs arranged in recesses of the slide provided on both sides of the intermediate wall in such a way that the crossbars are clamped between the compression spring and the slot edges. Lateral slipping of the trusses is prevented in that projections are formed on both sides in the middle of the crossmember, which engage in a longitudinal groove provided for this purpose in the slider and at the same time are guided in a groove formed in the correct position in the respective cover.
  • the two lids are also provided with labyrinth-like approaches which engage in the center base and thus bring about an additional anchoring of the contact pieces, connecting conductors and the connecting terminals.
  • each cover has a fixed locking lug in a mirror-image arrangement to the opposite cover, which is also molded onto the flat area of the cover and reaches half the thickness of the housing, as well as a guide for a movable locking slide to be inserted between the covers, which engages behind the mounting rail and from both covers is held and managed.
  • the switching device it is advantageously provided that at least two mutually independent switching planes are provided on both sides of the intermediate base, which are arranged one above the other, ie between the base part and the front side.
  • the lugs formed on the intermediate wall are arranged accordingly, a continuous lug serving as a partition being formed on the intermediate wall between the aforementioned switching planes, which is only interrupted by the slide.
  • two switching chambers are formed on each side of the intermediate base, in which the fixed contacts optionally at the top, ie directed towards the front, as break contacts or below, ie directed towards the bottom part, are provided as make contacts. This makes it possible to perform four independent switching operations, e.g. B.
  • the intermediate wall of the center base in the individual switching chambers with openings which connect adjacent switching chambers which are only separated from one another by the intermediate wall and allow the connecting conductor to be passed through, so that the connecting terminal for a switching chamber is connected both to the fixed contact belonging to this switching chamber and to that in the neighboring switching chamber.
  • the invention provides that the connecting conductors can be guided in such a way that the fixed contacts are arranged either as make contacts or as break contacts. It is also possible to design the connecting conductors in such a way that the fixed contact in one switching chamber is connected as a normally open contact in the adjacent switching chamber as a normally closed contact or vice versa.
  • the slider provided for actuating the movable contact pieces is preferably formed as a U-shaped rod made of insulating material, transverse webs being provided at each of its ends and in the middle, on which the compression springs for the crossbeams of the movable contact pieces are supported.
  • the slots in which the crossbeams are guided in the slide advantageously have a slot width which allows the crossbeams sufficient play to compensate for different contact positions of the fixed contact pieces, the contact pressure springs producing an elastic connection between the crossbeams and the slide gates.
  • Another advantageous feature of the design of the slide according to the invention relates to a spring which acts on the slide in one direction and thereby on the one hand contributes to proper contacting and on the other hand ensures defined switching states which are transmitted to the slide via the manual actuating member acting on one end of the slide.
  • the spring acting on the slide is a helical compression spring which is arranged between the bottom part of the central base and the end face of the slide opposite this.
  • the manual control element which is designed as a pivotable control handle, engages via a connecting lever.
  • a translatory movement is impressed on the slide, which brings the movable contact pieces from one switching position to the other switching position.
  • a display device can be provided, which is arranged on the end face of the housing. It is a light-emitting element which is electrically switched so that it lights up in one switching position and goes out during the transition to the other switching position.
  • a recess is arranged in the cover of the housing that overlaps the end face, which is filled by a transparent part, which shows the display of the lighting element.
  • FIG. 1 the oblique view of an electrical switching device 10 is shown, the narrow construction of which housing 11 is formed from a central base 14, which is covered on both flat sides by a cover 12 and 16, respectively, which is guided by through holes 18 arranged on the flat sides holding elements, not shown, are held together.
  • the center base 14 has a total of four switch poles 20, 22, 24, 26, which are arranged in pairs next to one another, separated by an intermediate wall 15, in two levels one above the other and whose connecting terminals 28 are accessible via actuating openings 30.
  • the actuating openings 30 for the upper level are arranged offset with respect to the lower level, in order in this way also to allow access to the connecting terminals 28 of the lower level.
  • a switching handle 32 for actuating the switch poles 20, 22, 24, 26 of the switching device 10 is arranged on the narrow front side of the switching device 10, which points upwards in FIGS. 1, 2, 3, 5.
  • This control handle 32 is pivotally guided in the two lids 12, 16 projecting beyond the central base on the front, the cover 16 having a cuboid-shaped hood 17 which is penetrated by the control handle 32 and which covers the central base 14 with the exception of the actuating openings 30 on the front and itself supported on the opposite cover 12.
  • a translucent strip 34 is inserted into the hood, which belongs to a switch position indicator.
  • an ⁇ -shaped groove 36 is formed in the hood 17, which is used to hold a device identifier, not shown here.
  • supply openings 38 are provided which are assigned to the connection terminals 28 associated with the individual switch poles 20, 22, 24, 26. As can be seen from FIGS. 2 and 3, these feed openings 38 are located in the central base 14 and are each covered by the covers 12, 16 on the flat sides. In the area of the supply openings 38 belonging to the upper switch poles 20, 22, the covers 12, 16 are each provided with pre-notched cut-out surfaces 39, which can be broken out if necessary, as shown in FIG. 1 on the right, and access to the upper supply openings 38 from allow the flat side.
  • the contour of the switchgear 10 enclosing cover 12, 16 is adapted to that of the known modular devices in narrow construction, for. B. of circuit breakers that can be snapped onto mounting rails. Accordingly, the lids 12, 16 each have a recess 40 on their rear side opposite the narrow front side, which is used to hold a profile mounting rail, not shown, and each has a fixed retaining lug 42 and a movable one that can be seen in FIG. 2 and is guided by both lids 12, 16 Latch slide 44 is limited.
  • FIG. 2 shows the view of the flat side of the switching device 10 with the cover 12 removed and thus gives a view of the switch poles 22 and 26 on this side, the movable contact pieces 50 and fixed contact pieces 52 have.
  • the staggered arrangement of the connecting terminals 28 belonging to the upper level can be seen compared to those of the lower level, only the area of the central base which is arranged between the intermediate wall 15 and the cover 12 being shown in FIG.
  • the intermediate wall 15 is connected in one piece to a base part 13, which extends from one narrow side of the center base 14 to the other narrow side and is arranged on the rear of the switching device 10.
  • the intermediate wall 15 has a gap 46 which extends from the base part 13 to the front side and serves to receive and guide a slide 48 which carries the movable contact pieces 50 designed as a cross member 51.
  • a helical compression spring 49 is arranged, which acts on the slider 48 upwards, where it is supported on the control handle 32 via a connecting lever 31.
  • the slide 48 is either in the upper position shown in FIG. 2 or in a lower position.
  • the switching contacts are then each opened or closed.
  • the fixed contact pieces 52 are formed in a similar way to the movable contact pieces 50 designed as cross members 51 by contact plates 54 fastened to a flat conductor. Accordingly, flat connecting conductors 57, 61 are also provided, which lead from the connection terminals 28 to the contact points and are each provided at their ends with a contact plate 54, which each form a fixed contact piece 52.
  • FIG. 6 shows, by way of example, a connecting conductor 57 for the upper switching level, which, coming from the connecting terminal 28, has an arm 56 which is guided upwards and is intended for the "open” switching function.
  • a horizontally guided arm 58 is provided, which is provided for the "closing" switching function.
  • the switching functions are each carried out by the slide 48 already mentioned.
  • a connecting conductor 61 for the lower switching level is shown in FIG. 8, one arm 60 of which is guided upward and the second arm 62 of which is guided horizontally, both arms being provided at their ends with a contact plate 54.
  • the connecting conductors 57, 61 can each have an arm 56, 60 or 58, 62 or, as shown in FIGS. 6 to 9, each have two arms 56, 58, 60, 62 may be formed, in which case in the latter case 15 through wall 59 are provided in the intermediate wall, through which the branching arm 58, 62 (shown in FIGS. 7 and 9) is passed.
  • the connecting conductors 57, 61 with their arms 56, 58, 60, 62 are inserted into the center base 14 and guided by labyrinth-like projections 64 formed on the intermediate wall 15 thereof.
  • the arms 56, 58, 60, 62 of the connecting conductors 57, 61 press against the lugs 64, so that no additional holding measures are required to fix the connecting conductors 57, 61 or the fixed contact pieces 52.
  • the slider 48 is designed as an elongated U-shaped profiled insulating part which has recesses 66 which are arranged in accordance with the switching planes and which serve to receive the movable contact pieces 52 designed as traverses 51.
  • the movable contact pieces 52 are supported by contact pressure springs 68 on intermediate walls 69 in the slide 48 and thus ensure adequate contacting with the movable contact pieces 50 with the fixed contact pieces 52.
  • the switching device 10 has a switch position indicator, which is designed as an optical switch position indicator and has a signal transmitter 70, which is positively fastened in the center base 14 on the front side thereof, into which the T-shaped foot of the Signal device 70 is inserted into a groove prepared for this.
  • the signal generator 70 consists of an electrically powered light element (glow lamp) which is connected via a series resistor 71 to a switch pole and the other end of which is connected to another switch pole.
  • the connecting lever 31, which connects the slider 48 to the switching handle 32 is preferably a U-shaped wire bracket which is articulated both in the slider 48 in the region of its upper end face and in the switching handle 32.
  • FIG. 3 which shows the center base 14 with inserted connecting terminals 28, connecting conductors 57, 61 and fixed contact pieces 52 and movable contact pieces 50, which are held on the slide 48, and the contact position indicator 70, reference numerals are also used in FIG. 2 and FIG. 1 are only partially reproduced for the sake of clarity.
  • FIG. 4 shows the top view of the switching device 10, wherein both the actuation openings 30 for the connecting terminals 28 and the switching handle 32, the translucent strip 34 and the ⁇ -shaped groove 36 can be seen. It can also be seen that the cover 16 with its hood 17 covers both the central base 14 and the other cover 12 in some areas. Furthermore, the staggered arrangement of the feed openings 30 is shown, which thus enables unimpeded actuation of the connection terminals 28 assigned to the individual switch poles.
  • FIG. 5 shows a center base 14 from its side opposite to that shown in FIG. 3 with the switch poles 20, 24, the contact position indicator 70 not being provided.
  • the further details correspond to those which have already been explained in FIGS. 2 and 3, so that further explanations for this are not necessary.
  • the intermediate wall 15 in the central base 14 shown in FIG. 5 is provided with wall openings 59 through which connecting conductors 58, 62 are passed. Accordingly, no connection terminal 28 is provided on the left side of the switch pole, since this contact point is connected to the adjacent switch pole 22.
  • FIGS. 6 to 9 show connecting conductors 57, 61, one end of which is connected to a clamp 28 arranged on the right here and the other end of which is provided with a contact plate 54 and thus forms a fixed contact piece 52.
  • FIGS. 7 and 9 each show the top view of the view in FIGS. 6 and 8, respectively. From this it can be seen that a conductor 58 or 62 is angled from an upwardly directed conductor 56 or 60 and continues horizontally in the same direction as the conductor 56 or 60.
  • the screw terminals 28 are each provided with screws which fix the connecting conductors 57, 61, which are designed as flat conductors, and also lead conductors inserted into the switching device 10 for feeding and supplying. As can also be seen from FIGS.
  • the connecting conductors 57, 61 have at their in the terminals 28 introduced ends on both sides of a recess 27 which is adapted to the internal dimension of the terminal and in addition to the non-positive fixation by the clamping screw 29 also enables a positive anchoring to the terminal 28, at the end of which the original width is reached again.
  • the contact plates 54 are preferably made of arc-resistant material and, according to the exemplary embodiment of the switching device 10 described above, are riveted to the ends of the connecting conductors 57, 61 in order to form the fixed contact pieces 52.
  • the switching device 10 equipped with the features described above, which for manual switching on and off of circuits, for. B. for control, is provided, enables versatile use through the variably configurable contact assignment.
  • a switching device 10 four switch poles 20 to 26 can be actuated at the same time, corresponding to four circuits, the connection of two switch poles being optionally possible, or the corresponding disconnection and closing of different contact points being possible by means of appropriate equipping with connecting conductors 57, 61.
  • the switchgear 10 can be snapped onto any DIN rail like any other modular device and its outer dimensions also correspond to the modular modular devices both in terms of its thickness and its height, so that there are no problems in installing such switchgear in addition to self-switches in low-voltage distributions. Possibly.
  • the control handle can be designed so that the coupling to the control handle of an adjacent switching device is possible with the aid of a corresponding connecting piece, so that the simultaneous actuation of several such modular devices is facilitated.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Slide Switches (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Electronic Switches (AREA)
  • Relay Circuits (AREA)
  • Tumbler Switches (AREA)

Claims (12)

  1. Appareil de commutation électrique (10) encliquetable sur un profilé support, comportant un boîtier (11) de construction étroite comportant une manette de commande (32) servant à la commande manuelle d'au moins un contact mobile (50), qui forme avec au moins un contact fixe (52) au moins un point de contact (20, 22, 24, 26) au moyen d'un contact fixe (52), au moins deux bornes de connexion (28) reliées au moyen de conducteurs de liaison (57, 61) aux contacts (52), lesdites bornes étant disposées sur les faces étroites du boîtier (11), au moins un nez d'encliquetage fixe (42), disposé sur la face arrière du boîtier (11), ledit nez d'encliquetage servant à la fixation sur le profilé support, un socle central (14) qui reçoit les contacts (50, 52) et les bornes de connexion (28), et est fermé sur ses plats, ainsi que sur ses faces avant et arrière, par deux couvercles (12, 16) qui, en direction de la face avant, sont saillants par rapport au socle central (14) et servent de support à la manette de commande (32), ledit socle central (14) comportant un fond (13) disposé sur la face arrière du boîtier (11) et faisant bloc avec une paroi intermédiaire (15), qui s'étend parallèlement aux couvercles (12, 16) entre les deux côtés étroits du socle (14) et divisent celui-ci en une première et une deuxième partie, ladite paroi intermédiaire comportant sur ses deux plats des saillies en forme de labyrinthes symétriques par rapport à un plan médian qui servent au logement et au guidage des contacts fixes (52), des conducteurs de liaison (57, 61), ainsi que des bornes de connexion (28), caractérisé par le fait qu'il est prévu un coulisseau mobile d'encliquetage (44), servant en combinaison avec le taquet d'encliquetage (42) à la fixation sur le profilé support, et qu'un coulisseau (48) commun aux deux parties du socle central (14) est en prise avec la manette de commande (32) pour l'actionnement simultané des contacts mobiles (50) disposés de part et d'autre de la paroi intermédiaire (15) et est guidé dans un évidement (46) aménagé au milieu de la paroi intermédiaire (15) et allant du fond (13) jusqu'à la face avant.
  2. Appareil de commutation électrique selon la revendication 1, caractérisé par le fait que la paroi intermédiaire (15) comporte des ouvertures (59) par lesquelles passent les conducteurs de liaison (58, 62) entre les bornes (28) de la première partie et les contacts fixes (52) de la seconde partie.
  3. Appareil de commutation électrique selon l'une des revendications précédentes, caractérisé par le fait que les contacts mobiles (50) sont conçus sous forme de contacts à pont avec des pastilles de contact (54) rapportées aux deux extrémités d'une traverse.
  4. Appareil de commutation électrique selon l'une des revendications précédentes, caractérisé par le fait que les contacts mobiles (50) sont insérés chacun dans une fente de positionnement (66) dans le coulisseau et prennent un appui élastique, par l'intermédiaire des ressorts de contact (68), sur des parois intermédiaires (69) prévues dans le coulisseau (48).
  5. Appareil de commutation électrique selon l'une des revendications précédentes, caractérisé par le fait que les conducteurs de liaison (56, 57, 58, 60, 61, 62) sont conçus sous forme de conducteurs plats.
  6. Appareil de commutation électrique selon l'une des revendications précédentes, caractérisé par le fait que les contacts fixes (52) sont conçus sous forme de pastilles de contact (54) fixées aux extrémités des conducteurs de liaison (56, 57, 58, 60, 61, 62).
  7. Appareil de commutation électrique selon l'une des revendications précédentes, caractérisé par le fait qu'il est prévu un indicateur de contact (70), qui est formé par un élément lumineux, par exemple une lampe fluorescente témoin ou une diode électroluminescente, et est relié électriquement à deux pôles du commutateur.
  8. Appareil de commutation électrique selon l'une des revendications précédentes, caractérisé par le fait que chacun des deux couvercles (12, 16) comporte sur ses plats, et au niveau des ouvertures de passage de câble (38) dans le socle central situées le plus près de la face avant, des surfaces de rupture préentaillées, qui peuvent être enlevées par rupture en cas de besoin pour permettre l'accès à partir du plat aux ouvertures de passage de câble (38).
  9. Appareil de commutation électrique selon l'une des revendications précédentes, caractérisé par le fait que les conducteurs de liaison (57, 61) conçus sous forme de conducteurs plats Comportent, des deux côtés de leurs extrémités reliées aux bornes (28) des décrochements (27) adaptés aux dimensions intérieures des bornes, qui assurent un ancrage par obstacle dans la borne (28) et empêchent celle-ci de se dégager du conducteur de liaison (57, 61).
  10. Appareil de commutation électrique selon l'une des revendications précédentes, caractérisé par le fait que la manette de commande (32) est pivotante entre les couvercles (12, 16) et est munie d'un bouton de manoeuvre (33).
  11. Appareil de commutation électrique selon l'une des revendications précédentes, caractérisé par le fait que, pour la transmission de la commande par la manette de commande (32) au coulisseau (48), il est prévu un levier de transfert (31) dont une extrémité est articulée sur le coulisseau (48) et l'autre extrémité de manière excentrique à l'opposé du bouton de manoeuvre (33) sur la manette de commande (33).
  12. Appareil de commutation électrique selon une des revendications précédentes, caractérisé par le fait que la manette de commande (32) occupe deux positions stables, obtenues par un ressort (49) qui prend appui sur le coulisseau (48).
EP88115656A 1987-09-29 1988-09-23 Contacteur électrique Expired - Lifetime EP0310885B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88115656T ATE103413T1 (de) 1987-09-29 1988-09-23 Elektrisches schaltgeraet.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8713075U 1987-09-29
DE8713075U DE8713075U1 (de) 1987-09-29 1987-09-29 Elektrisches Schaltgerät

Publications (3)

Publication Number Publication Date
EP0310885A2 EP0310885A2 (fr) 1989-04-12
EP0310885A3 EP0310885A3 (en) 1990-08-01
EP0310885B1 true EP0310885B1 (fr) 1994-03-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP88115656A Expired - Lifetime EP0310885B1 (fr) 1987-09-29 1988-09-23 Contacteur électrique

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EP (1) EP0310885B1 (fr)
AT (1) ATE103413T1 (fr)
DE (2) DE8713075U1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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Also Published As

Publication number Publication date
EP0310885A2 (fr) 1989-04-12
DE3888616D1 (de) 1994-04-28
EP0310885A3 (en) 1990-08-01
DE8713075U1 (de) 1987-11-19
ATE103413T1 (de) 1994-04-15

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