EP2790201B1 - Couvercle d'appareil d'un dispositif de commutation de sécurité haute puissance basse tension - Google Patents

Couvercle d'appareil d'un dispositif de commutation de sécurité haute puissance basse tension Download PDF

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Publication number
EP2790201B1
EP2790201B1 EP13163592.2A EP13163592A EP2790201B1 EP 2790201 B1 EP2790201 B1 EP 2790201B1 EP 13163592 A EP13163592 A EP 13163592A EP 2790201 B1 EP2790201 B1 EP 2790201B1
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EP
European Patent Office
Prior art keywords
cover
locking device
locking
fuse
projections
Prior art date
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Active
Application number
EP13163592.2A
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German (de)
English (en)
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EP2790201A1 (fr
Inventor
Harald Bleuel
Lutz Horbach
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.)
Jean Mueller Elektrotechnische Fabrik GmbH
Original Assignee
Jean Mueller Elektrotechnische Fabrik GmbH
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.)
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Application filed by Jean Mueller Elektrotechnische Fabrik GmbH filed Critical Jean Mueller Elektrotechnische Fabrik GmbH
Priority to EP13163592.2A priority Critical patent/EP2790201B1/fr
Publication of EP2790201A1 publication Critical patent/EP2790201A1/fr
Application granted granted Critical
Publication of EP2790201B1 publication Critical patent/EP2790201B1/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02—Details
    • H01H31/12—Adaptation for built-in fuse
    • H01H31/122—Fuses mounted on, or constituting the movable contact parts of, the switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details

Definitions

  • the invention relates to a device cover of a low-voltage high-performance fuse switching device, hereinafter referred to as NH-fuse switching device, with a cover portion, two connected to the lid portion mounting portions for suspended storage of two handle tabs of a low-voltage high-performance fuse link, hereinafter referred to as NH fuse-link or fuse link ,
  • the grip tabs when inserting the fuse insert into the device lid and when removing it from the device lid, are guided by means of the holding sections, as well as with a locking device connected to the lid section for releasably locking one of the handle tabs of the fuse link used in the device cover, wherein the locking device protrudes in a first position in the way of this grip tab during insertion and removal of the fuse link, and moved out in a second position from this way the grip tab, and with an actuator for Actuation of the locking device.
  • Such a device cover is from the DE 199 11 852 A1 known.
  • the locking device has a running in the transverse direction of the fuse switching device slide on which a protruding latch in hook form is attached via a web. This hook can engage behind a gripping tab of the fuse link.
  • To remove the fuse insert actuates an actuator that has a protruding from a side wall of the device cover button. The button is followed by the slider. If you press the button, then the slider is moved against the force of a compression spring, bringing the latch moves into an unlocked position so that the fuse link from the device cover separated and thus can be removed from the fuse switching device.
  • the compression spring pushes the slider back to its original position, thus the position corresponding to the lock. If a fuse link in the device cover are used, the grip tab is pressed against an inlet slope of the bolt, whereby the latch is transferred to the open position until the handle has passed the latch. Under the force of the spring, the slider and thus the bolt is moved back to its original position, whereby the grip tab is locked.
  • a device cover of the type mentioned in which a trained as a button or plate actuator is provided for actuating the locking device.
  • the actuating device and the locking device are separate components, so that an increased installation effort is recorded in this device cover.
  • this acts on the actuating device, which forms a component together with the device cover, wherein the locking device, under the action of the actuating device, is elastically deformable and thus an approach of the locking device is disengaged from the grip tab, so that the fuse link from the device cover can be taken out.
  • the gripping tab which is associated with the locking device acts upon insertion of the fuse link to the locking device and pivots it.
  • a device cover having the features of the preamble of patent claim 1 is known from DE 297 21 425 U1 known.
  • the actuating device and the locking device form a component.
  • a locking device is provided in the manner of a single bolt, wherein the bolt is pivotable by the action of a compressive force on an actuating device together with this from a rear grip position of the grip tab, so that the fuse link moves past the locking device and thus removed from the device cover can be.
  • a device cover which also has the features of the preamble of claim 1, is further from the EP 1 914 780 A2 known.
  • the device cover takes in the area of a grip tab of the respective fuse link the component that forms the actuating device and the locking device is pivotable.
  • the locking device has two blocking pieces, which are brought under the action of a spring force in a rear grip position with respect to the associated grip tab of the fuse link. By actuating the actuating device against the spring force, the two blockage pieces can be pivoted out of the area of the grip tab so that the fuse link can be guided past the blockade pieces and removed from the device cover.
  • Object of the present invention is to develop a device cover of the type mentioned so that it has a minimum number of parts in the range of actuator and locking device, so that the number of components to be stored and the assembly cost is reduced.
  • This design of the device cover can simplify its assembly, because the number of components that make up the device cover is reduced.
  • a secure holding of the NH fuse-links in the device cover namely in the region of the locking device for the respective NH fuse-link and the actuator for actuating the locking device a permanent functionality is ensured as the actuating device and locking device is a component form.
  • Actuating forces which are introduced for transferring the locking device into its unlocked position, are introduced directly from the actuating device into the locking device, since the actuating device and the locking device form a component.
  • the action of an actuating force by means of the actuator causes the locking device is slightly deformed, especially in the region of the two approaches, with the consequence that the two, the locking device associated projections move away from each other and As a result, the projections are moved out of the locking position.
  • the gripping tab can therefore, without being blocked by the two projections, be moved past the projections, whereby the NH fuse-link can be moved out of the mounting portions, for removing the NH fuse-link. It is not necessary here to take the possibly hot NH fuse-link by hand, but it can by arrangement of the device cover, based on the arrangement of the device cover, lower arrangement of the locking device, the NH fuse-link due to its weight on the locking device move past.
  • the actuating device and the locking device are designed as a plastic injection molded part. It is considered particularly advantageous if not only the actuating device and the locking device are designed as a plastic injection molded part, but also other components of the device cover, so that the assembly costs and the variety of components of the device cover can be further reduced.
  • the cover portion, the actuating device, the locking device and the support portions for suspended mounting of the grip tabs of the respective NH fuse-link are formed as a single plastic injection molded part.
  • the actuating device is designed when it is button-shaped or dish-shaped.
  • the area of the actuator is substantially the same as that required to depress the actuator with the surface of a fingertip.
  • the actuator is connected on radially opposite sides of the knob or plate with leg portions of the connecting element, wherein the respective leg portion is formed as a wall.
  • the function of the deformability of the connecting element when operating the connecting element by means of the actuating device can be realized with a low material usage due to a relatively thin wall thickness.
  • the respective wall is connected in the region of the end facing away from the knob or plate in a first region with the device cover and in a second area connected to the projection.
  • This design provides a sufficient extent of the wall to provide between the actuator and the projections a sufficient way to move apart of the projections in order to release the locking of the grip tab.
  • the actuating device based on an insertion of the fuse link when inserting a grip tab in the locking device associated support portion is arranged at a distance from the attachment of the locking device on the device cover, and the region of the locking device in the first Position in the path of the handle tab projects, is arranged perpendicular to the insertion of the fuse link, at a distance from the attachment of the locking device on the housing cover.
  • Such a design allows a compact design of actuator and locking device.
  • the projections can be moved away from each other, for releasing the locking of the grip tab.
  • a sufficient moment can be introduced via the actuating device into the locking device in order to elastically deform the latter such that the two projections, for releasing the locking of the grip tab, are moved sufficiently far away from one another.
  • the actuating device and the housing cover are arranged approximately in one plane.
  • the actuating device can be actuated ergonomically particularly favorably, since, when approaching a fingertip for actuating the actuating device, the fingertip is guided through the housing cover or the housing cover and the actuating device.
  • the actuator passes through a recess in the housing cover and is accessible from the outside of the NH fuse switching device.
  • the housing cover has projections directed towards one another, wherein, arranged between the projections, the projections of the locking device are connected to the projections.
  • the lugs of the locking device and / or the projections of the locking device and / or the leg portions of the connecting element and / or the projections of the housing cover are formed thin-walled.
  • This thin-walled design not only contributes to material savings, but reduces the bending stiffness of the respective said component, with the consequence that for deforming the locking means for releasing the locking of the grip tab only a reduced operating force which must act on the actuator is required.
  • the actuating device and the locking device are in particular formed symmetrically to a plane.
  • This plane extends in particular to a plane which is perpendicular to the pivot axis of the device cover in a device lower part of the NH-fuse switching device.
  • the lugs of the locking device are arranged in particular adjacent to the one holding portion for a gripping tab of the NH fuse-link.
  • the actuating device in particular passes through a recess in the cover section towards the outside of the fuse switching device.
  • a cover is slidably mounted, which has at least one test hole for inserting a test tool to a live device element in a shifted test position of the cover, wherein the cover in the closed position with lugs surrounding the actuator.
  • An NH fuse switching device with a device cover and a sliding cover is, for example, from DE 36 39 669 A1 known.
  • Fig. 1 shows a low-voltage high-performance fuse switching device - NH-fuse switching device - hereinafter referred to for simplicity as a fuse switching device 1, which serves to protect three phases R, S, T and is connected to a three busbars 2 having busbar system.
  • the busbars 2 are arranged parallel to one another and horizontally to each other and illustrated only over a partial length.
  • the fuse switching device 1 has a device base 3 made of plastic with six mounted in this contacts with terminals. Each phase has two contacts for insertion of a NH fuse-link, further connected to the respective contact terminal, wherein the one terminal is connected to a busbar 2 and the other terminal is connected to a power cable. Illustrated are three break-out lid elements 4, through which a connection cable can be led out of the lower device part 3 with broken cover element 4.
  • a device cover 5 is pivotally mounted, which in the region of its end facing away from the pivot axis has a handle bar 6 arranged parallel to the pivot axis.
  • the device cover 5 On the side facing away from the busbars 2, the device cover 5 has a cover section 7. This runs in the closed position of the device cover 5, as in Fig. 1 is shown, substantially parallel to the plane formed by the busbar 2.
  • fuse links 8 Placed perpendicular to the longitudinal extent of the handle bar 6, the three NH fuse-links, hereinafter referred to briefly as fuse links 8, mounted in the lid portion 7 in the lid.
  • fuse links 8 is in the Fig. 4 illustrated.
  • the fuse link 2 consists of a hollow insulating body 9 with over its axial extent constant cross-section. Both ends of the insulating body 9 are closed with closure plates 10. In each closure plate 10, a contact blade 11 is held. The two contact blades 11 are electrically connected by a not shown, projecting through the insulating body 9 working fuse.
  • the fuse has a signaling device 12, which has a detector wire, which is guided electrically parallel and at a distance from the display fuse through the insulating body 9.
  • the reporting device 12 indicates the state of the disabled fuse.
  • the respective closure plate 10 is fastened by means of two screws 13 which pass through holes in the closure plate 10 and in a sealing plate 14 arranged between the closure plate 10 and the insulating body 9 and are screwed into threaded holes of the insulating body 9.
  • the respective closure plate 10 which consists of metal, is provided with a grip tab 15.
  • This gripping tab 15 is arranged in the plane of the closure plate 10 and has a tapered central portion 16 between a main portion 17 of the closure plate 10 and a freely over the insulating body 9 projecting relative to the central portion 16 extended tab portion 18.
  • each support portion 19 and 20 of the suspended storage of a gripping tab 15 is used.
  • Each of the support portions 19, 20, wherein the respective support portion 20, based on the insertion direction of the fuse link 8 has a greater length than the support portion 19, has two successive web-shaped projections 21, 22.
  • Between the projections 21 and 22 is placed in the device cover 5 inserted fuse insert 8 of the central portion 16 of the handle 15 and there is the extended tab portion 18 of the handle 15 on the projections 21 and 22. This results in the suspended mounting of the fuse link 8 in the device cover. 5
  • the Fig. 1 to 3 illustrate that the device cover 5 per phase has a slidably mounted in this, partially transparent cover plate 23.
  • these three covers 23 are shown in their closed position.
  • the Fig. 2 are the three covers 23 away from the lid portion 7, that is pushed out of this.
  • Fig. 3 shows two cover discs located in the closed position 23 and a remote cover, so that in the plan view illustrated therein, the invention relevant area of the device cover 5 is better visible.
  • the respective cover plate 23 has a test hole 24 for inserting a test tool to a live device element, for example, to a contact blade 11 of the fuse link 8 in a shifted test position of the cover 23.
  • An arrow 25 illustrates the direction of displacement of the cover 23 during the transfer of its closed position in its open position.
  • the grip tabs 15 of the respective fuse link 8 are guided at the onset of the fuse link 8 in the device cover 5 by means of the support portions 19 and 20.
  • the region of the one support portion 19 is associated with a locking device 26 which is connected to the lid portion 7 and the releasable locking of the handle tab 15 of the fuse link 8 is used, which is inserted into the support portion 19.
  • the locking device 26 has two associated with the device cover 5 lugs 27, 28.
  • the respective approach 27 or 28 has, at a distance from the connection of projection 27, 28 and device cover 5, a projection 29, 30, which is directed to the other projection 30, 29 to.
  • the respective projection 29, 30 has an insertion bevel 31.
  • the protrusions 29, 30 are, with respect to the withdrawal direction of the grip tab 15 and the securing insert 8 with their contact edges 32 positioned perpendicular to the removal direction of the grip tab 15.
  • the insertion direction is the arrow A, the removal direction with the arrow B in Fig. 5 illustrated.
  • the two lugs 27 and 28 are connected by means of a connecting element 33.
  • This has an actuating device 34 at a distance from the projections 29, 30. This is in the region of the side, which is assigned to the outside of the fuse switching device 1, button-shaped or dish-shaped.
  • the actuator 34 is connected on radially opposite sides of the knob or plate with leg portions 35, 36 of the connecting element 33.
  • the respective leg portion 35 and 36 is formed as a wall.
  • the lid portion 7, the actuator 34, the locking device 26 and the support portions 19, 20 are formed as a component, said assembly is formed as an injection molded part.
  • the respective leg section 35 or 36 is connected in the region of the end facing away from the knob or plate 34 in a first region with the device cover 5 and in a second region with the projection 29 or 30.
  • the actuator 34 is, based on the insertion direction A of the fuse link 8 when inserting a grip tab 15 in the support portion 19, spaced from the attachment of the locking device 26 on the device cover 5.
  • the contact edges 32 of the projections 29, 30 are arranged at a small distance from the projections 21 and 22 of the support portion 19.
  • the actuator 24 and the device cover 5 are arranged approximately in one plane.
  • the device cover 5 has mutually aligned projections 37, 38, wherein, arranged between the projections 37, 38, the Lugs 27, 28 of the locking device 26 with the projections 37, 38 are connected.
  • the locking device 26 is thus mounted on the two projections 37, 38 in the lid portion 7, wherein already the projections 37, 38 allow a slight compliance of the locking device 26 upon application of a force on the actuator 34.
  • a force in the two leg portions 35, 36 and thus the lugs 27, 28 is introduced via the actuator 34, whereby the locking device 26 elastically deformed and the projections 29, 30th from the position according to Fig. 5 , are moved apart when not actuated actuator 34, in the position according to Fig. 8
  • the distance between the two projections 29, 30 is greater than the distance between the two projections 21, 22, so that now the fuse link 8 in the direction of arrow B to the projections 29, 30 can be moved past.
  • the locking device 26 thus protrudes in the in Fig. 5 shown in the first position in the path of the grip tab 15 during insertion and removal of the fuse link 8, and is in a second position, as shown in Fig. 8 is illustrated, moved out of this way the handle tab 15 out.
  • the insertion of the fuse link 8 is possible without operating the actuator 34, because the grip tab 15 with its central portion 16, the insertion 31 of the projections 29, 30 contacted and when moving the grip tab 15 in the direction of arrow A, therefore, the projections 29, 30 elastically away from each other to be moved. If the gripping tab 15 is guided past the projections 29, 30, the projections 29, 30 move toward one another, into the end position according to FIG Fig. 5 , On the other hand, to remove the fuse link 8, the actuator 34 is urged so that the projections 29, 30 are moved away from each other, in the position shown in FIG Fig. 8 . with which the grip tab 15 can be moved with its central portion 16 between the projections 29, 30.
  • Fig. 10 illustrates in a solid line the position of the locking device 26 when not actuated actuator 34.
  • the dotted line shows the position of the locking device 26 when actuated actuator 34th
  • the reference numeral 39, the pivot axis of the device cover 5 is illustrated with respect to the device part 3.
  • the locking device 26 and the actuating device 34 are formed symmetrically to a plane which is perpendicular to the pivot axis 39.
  • the actuator 34 passes through a recess 40 of a projection 41 of the cover 23 to the outside of the fuse switching device 1 out.

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  • Fuses (AREA)

Claims (14)

  1. Couvercle d'appareil (5) d'un dispositif de commutation de sécurité haute puissance basse tension (1) avec une partie de couvercle (7), deux parties de support (19, 20) assemblées à la partie de couvercle (7) pour le support suspendu de deux pattes de saisie (15, 15) d'un bloc de sécurité haute puissance basse tension (8), dans lequel les pattes de saisie (15, 15) sont guidées au moyen des parties de support (19, 20) lors de l'insertion du bloc de sécurité (8) dans le couvercle d'appareil (5) et lors de son extraction hors du couvercle d'appareil (5), ainsi qu'avec un dispositif de verrouillage (26) attaché à la partie de couvercle (7) pour le verrouillage détachable d'une patte de saisie (15) des pattes de saisie (15, 15) du bloc de sécurité (8) inséré dans le couvercle d'appareil (5), dans lequel, dans une première position, le dispositif de verrouillage (26) s'engage, lors de l'insertion et de l'extraction du bloc de sécurité (8), dans le chemin de cette patte de saisie (15) et dans une deuxième position, est déplacé hors du chemin de cette patte de saisie (15), ainsi qu'avec un dispositif d'actionnement (34) pour actionner le dispositif de verrouillage (26), dans lequel le dispositif d'actionnement (34) et le dispositif de verrouillage (26) forment un composant, caractérisé en ce que le dispositif de verrouillage (26) présente deux appuis (27, 28) reliés au couvercle d'appareil (5), dans lequel l'appui respectif (27 ou 28) présente, à distance de la liaison de l'appui (27 ou 28) au couvercle d'appareil (5), une saillie (29, 30) qui est dirigée vers l'autre saillie (30, 29), dans lequel les deux appuis (27, 28) sont reliés au moyen d'un élément de liaison (33) et l'élément de liaison (33) présente le dispositif d'actionnement (34) à distance des saillies (29, 30), dans lequel, par pression du dispositif d'actionnement (34), les deux saillies (29, 30) peuvent être écartées l'une de l'autre, pour libérer le verrouillage de la patte de saisie (15).
  2. Couvercle d'appareil selon la revendication 1, caractérisé en ce que le dispositif d'actionnement (34) et le dispositif de verrouillage (26) sont réalisés sous la forme d'une pièce en matière plastique moulée par injection.
  3. Couvercle d'appareil selon la revendication 1 ou 2, caractérisé en ce que la partie de couvercle (7), le dispositif d'actionnement (34), le dispositif de verrouillage (26) et les parties de support (19, 20) sont réalisés sous la forme d'une pièce en matière plastique moulée par injection.
  4. Couvercle d'appareil selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le dispositif d'actionnement (34) est réalisé en forme de bouton ou de plateau.
  5. Couvercle d'appareil selon la revendication 4, caractérisé en ce que le dispositif d'actionnement (34) est relié à des parties de branche (35, 36) de l'élément de liaison (33) sur des côtés radialement opposés du bouton ou du plateau, dans lequel la partie de branche respective (35, 36) est réalisée en forme de paroi.
  6. Couvercle d'appareil selon la revendication 5, caractérisé en ce que la partie de branche respective (35, 36) est reliée, dans la région de son extrémité orientée à l'opposé du bouton (34) ou du plateau, dans une première région au couvercle d'appareil (5) et est reliée dans une deuxième région à la saillie (29, 30).
  7. Couvercle d'appareil selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le dispositif d'actionnement (34) est disposé, par rapport à la direction d'introduction (A) du bloc de sécurité (8) lors de l'insertion d'une première patte de saisie (15) dans la partie de support (19, 20) associée au dispositif de verrouillage (26), à distance de la fixation du dispositif de verrouillage (26) au couvercle d'appareil (5) et la région du dispositif de verrouillage (26), qui dans la première position s'engage dans le chemin de la patte de saisie (15), est disposée perpendiculairement à la direction d'introduction (A) du bloc de sécurité (8) à distance de la fixation du dispositif de verrouillage (26) au couvercle d'appareil (5).
  8. Couvercle d'appareil selon la revendication 7, caractérisé en ce que le dispositif d'actionnement (34) et le couvercle d'appareil (5) sont disposés environ dans un plan.
  9. Couvercle d'appareil selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le couvercle d'appareil (5) présente des saillies orientées l'une vers l'autre (37, 38), dans lequel les appuis (27, 28) du dispositif de verrouillage (26), disposés entre les saillies (37, 38), sont reliés aux saillies (37, 38).
  10. Couvercle d'appareil selon l'une quelconque des revendications 1 à 9, caractérisé en ce que les appuis (27, 28) du dispositif de verrouillage (26) et/ou les saillies (29, 30) du dispositif de verrouillage (26) et/ou les parties de branche (35, 36) de l'élément de liaison (33) et/ou les saillies (37, 38) du couvercle d'appareil (5) sont réalisés à paroi mince.
  11. Couvercle d'appareil selon l'une quelconque des revendications 1 à 10, caractérisé en ce que le dispositif de verrouillage (26) et le dispositif d'actionnement (34) sont disposés de façon symétrique par rapport à un plan, en particulier par rapport à un plan qui est perpendiculaire à un axe de pivotement (39) du couvercle d'appareil (5) dans une partie inférieure d'appareil (3) du dispositif de commutation de sécurité (1).
  12. Couvercle d'appareil selon l'une quelconque des revendications 1 à 11, caractérisé en ce que les saillies (29, 30) du dispositif de verrouillage (26) sont disposées à proximité d'une partie de support (19).
  13. Couvercle d'appareil selon l'une quelconque des revendications 1 à 12, caractérisé en ce que le dispositif d'actionnement (34) traverse un évidement (40) dans la partie de couvercle (7) vers le côté extérieur du dispositif de commutation de sécurité (1).
  14. Couvercle d'appareil selon l'une quelconque des revendications 1 à 13, caractérisé en ce qu'un disque de recouvrement (23) est disposé de façon déplaçable dans la partie de couvercle (7), disque qui présente au moins un trou de contrôle (24) pour le passage d'un outil de contrôle à un élément d'appareil sous tension dans une position de contrôle déplacée du disque de recouvrement (23), dans lequel le disque de recouvrement (23) entoure, dans sa position de fermeture, avec des saillies (41), le dispositif d'actionnement (34).
EP13163592.2A 2013-04-12 2013-04-12 Couvercle d'appareil d'un dispositif de commutation de sécurité haute puissance basse tension Active EP2790201B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13163592.2A EP2790201B1 (fr) 2013-04-12 2013-04-12 Couvercle d'appareil d'un dispositif de commutation de sécurité haute puissance basse tension

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Application Number Priority Date Filing Date Title
EP13163592.2A EP2790201B1 (fr) 2013-04-12 2013-04-12 Couvercle d'appareil d'un dispositif de commutation de sécurité haute puissance basse tension

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EP2790201A1 EP2790201A1 (fr) 2014-10-15
EP2790201B1 true EP2790201B1 (fr) 2016-03-02

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1682095U (de) * 1954-06-12 1954-08-26 Voigt & Haeffner Ag Haltevorrichtung mit verriegelung fuer sicherungspatronen.
DE1292732B (de) * 1964-09-03 1969-04-17 Licentia Gmbh Aufsteckgriff fuer Niederspannungs-Hochleistungs-Sicherungen
DE3639669C2 (de) 1986-11-20 1993-12-23 Efen Elektrotech Fab Niederspannungs-Hochleistungs- Sicherungsschaltgerät mit Fensteranordnung
NL9100415A (nl) * 1991-03-07 1992-10-01 Tech Handelsmaatschappij Distr Samenstel van een elektrische schakelaar en een zekeringhouder.
DE29721452U1 (de) * 1997-12-04 1998-04-30 Wöhner GmbH & Co. KG Elektrotechnische Systeme, 96472 Rödental Deckel, insbesondere für NH-Sicherungslasttrennschalter
DE19911852B4 (de) 1999-03-17 2007-12-13 Efen Gmbh Aufstecksicherung
DE102006049812A1 (de) * 2006-10-17 2008-04-24 Siemens Ag Sicherungslasttrennschalter und Verriegelungseinrichtung für einen Sicherungslasttrennschalter

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