EP2067152B1 - Sectionneur de sécurité à coupure en charge avec dispositif de verrouillage - Google Patents

Sectionneur de sécurité à coupure en charge avec dispositif de verrouillage Download PDF

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Publication number
EP2067152B1
EP2067152B1 EP06805337.0A EP06805337A EP2067152B1 EP 2067152 B1 EP2067152 B1 EP 2067152B1 EP 06805337 A EP06805337 A EP 06805337A EP 2067152 B1 EP2067152 B1 EP 2067152B1
Authority
EP
European Patent Office
Prior art keywords
locking lug
fuse switch
locking
switch disconnector
disconnector according
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.)
Not-in-force
Application number
EP06805337.0A
Other languages
German (de)
English (en)
Other versions
EP2067152A1 (fr
Inventor
Gerhard Blaimer
Rolf-Eberhard Bruschke
Robert Protz
Thomas Rölke
Steffen Scudlo
Alfred Stang
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
Publication of EP2067152A1 publication Critical patent/EP2067152A1/fr
Application granted granted Critical
Publication of EP2067152B1 publication Critical patent/EP2067152B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock

Definitions

  • the invention relates to a fuse switch disconnector according to the preamble of claim 1.
  • fuse-switch-disconnectors which consist of a substantially designed as a lower part switching device and designed as a top cover.
  • interlocks are arranged on some fuse switch disconnectors which make it possible to lock the upper part lockably in a specific position on the lower part.
  • Such a lock is for example in FIG. 4 shown. It protrudes in this embodiment, a fixed to a lower part locking through a recess in the upper part. In the protruding through the upper part eyelet is an opening for receiving a locking device. In order to achieve a safe closure of the fuse switch-disconnector, it is common and in some cases even standardized that a padlock is used to lock it.
  • a disadvantage of this embodiment is that the locking lug and attached to her lock or closing element increases the depth of the entire fuse switch-disconnector. This increase in the depth of the fuse switch-disconnector can cause problems especially in confined spaces.
  • the installation space for fuse switch-disconnectors in control cabinets, which have a door for closing the cabinet usually set or standardized so that the front of the upper part or the cover of the fuse switch-disconnector is substantially flush with the plane in which is the closed cabinet door.
  • the depth of the fuse switch-disconnector but is increased so that in a correspondingly cramped conditions a cabinet door can not be closed.
  • the invention is therefore an object of the invention to provide a fuse switch disconnector with a shut-off device available, which has low external dimensions and a low volume cost and with a simple structure.
  • the solution provides that by attaching the locking device in the opening for receiving the locking device, the upper part or second part can not be deducted from the lower part or first part, as in attempting to pull off the upper part or second part of the lower part or the first part of the upper part or first part fitting surface of the recessed grip in the lower part or second part (on the bracket of the padlock) comes to rest.
  • a fuse switch disconnector with a lower part and a lower part movably arranged upper part is provided, in which the upper part functions as a shift lever and at least partially covers the lower part in the closed switching state of the fuse switch disconnector.
  • the upper part is designed so that it has a built-in recessed grip.
  • a locking lug is arranged on the lower part of the fuse switch-disconnector according to the invention, which serves for receiving a locking device.
  • the upper part of the fuse switch disconnector according to the invention has a recess for the passage of the locking lug.
  • the locking lug is arranged in the region of the lower part, which is superimposed by the recessed grip.
  • the recessed grip serves the operator as a handle when removing or swiveling the upper part from the lower part of the fuse switch disconnector.
  • the arrangement of the locking lug and the locking device in the recessed grip in the upper part thus causes an operator when engaging in the recessed grip feels the arrangement of at least the locking device.
  • this is for him an information that the fuse switch disconnector may not be operated by a person who is not in possession of the key for the locking device.
  • a fuse switch disconnector with a first part and arranged thereon by means of a handle member removable second part, which works as a shift lever and at least partially covers the first part when the fuse switch disconnector is closed.
  • the second part has a recessed grip, on which the grip element is arranged.
  • On the first part a locking lug is arranged, which serves to receive a locking device, wherein the first part abutting the second part has a recess for the passage of the locking lug.
  • the locking lug is pulled out to receive the locking device by the recess formed in the second part of the first part and protrudes into the recessed grip, wherein by receiving the locking device the second part can not be deducted from the first part.
  • the locking lug is pushed back to remove the second part after removal of the locking device in the first part, wherein it releases the grip for removal again.
  • the locking lug is rotatably mounted on the lower part and can be pivoted into the recessed grip through the recess in the upper part.
  • the locking eyelet is arranged on the lower part, that it is displaceable and thus in the recessed grip through the recess in the upper part can be inserted or pulled out.
  • This retractability or Einschwenkles the locking eye in the recessed grip has the advantage that the locking lug protrudes into the recessed grip only when it is needed to lock the upper part of the fuse switch disconnector.
  • the locking lug can be inserted or pivoted into the lower part. In this position, she does not disturb the engagement in the recessed grip.
  • the locking lug can be pulled out of the lower part in the recessed grip in the upper part or swung out and a locking device are attached to it.
  • the locking lug can be positioned on the lower part again so that it does not protrude into the recessed grip. It is thus in a parking position on the lower part.
  • the fuse switch-disconnector further comprises an automatic movement device which moves the locking eyelet when not occupied with a locking device in a specific position with respect to the lower part.
  • an automatic movement device can, for example, in the case of the translatory sliding movement of the locking eyelet, be a tension spring, compression spring or even spiral spring whose spring force moves the locking eyelet into a path-end position in each case.
  • the automatic movement device in the execution of the fuse switch disconnector with rotatable locking lug may be a pull, pressure or bending spring, which pivots the locking lug in each case in a path-end position.
  • the automatic movement device can move the locking eyelet into a position that has been completely swiveled out of the grip recess, or, conversely, move it into a position that is completely pivoted into or pushed into the lower part.
  • the automatic movement device then moves the locking lug completely out into the recessed grip when it is provided that the fused switch-disconnector is to be closed.
  • the automatic movement of the locking device in a retracted completely into the lower part position is advantageous when the fuse switch disconnector preferably does not have to be completed, and only the option should be able to complete it.
  • the lower part comprises a recess in which the locking lug is arranged to be movable.
  • the fact that the locking eyelet can essentially completely submerge in the lower part means that, for example, a pull tab of the locking eyelet protrudes so far from the lower part that it can be grasped manually and / or by means of a tool in the region of the recess in the upper part.
  • the locking eyelet or the recess in the lower part may be designed such that the attached to the locking eyelet pull tab also protrudes a small piece from the inner wall of the recessed grip in the upper part. The operator can thus grip the pull tab on the locking lug and pull it so far out of the lower part and thus also from the recess in the upper part, that the locking lug is ready for receiving the locking device.
  • the recess in the lower part is a negative volume element in the body of the lower part, which is formed substantially groove-shaped.
  • the recess in the lower part may also be a lowered area of the outer surface of the lower part, in which the locking eye is mounted such that it can be swiveled or pushed in. This recess in the lower part makes it possible for the locking eyelet to be completely or except for a pull tab immersed in the volume of the lower part.
  • At least one latching element is arranged on the lower part and also arranged on the locking lug at least one latching element, which causes in cooperation with the latching element on the lower part a latching of the locking lug in a certain position.
  • the locking device may be formed, for example, by a pin on the locking eye and by a hole in the lower part, in which the pin engages in a certain angular position of the locking eye. That is, it is fixed the locking lug in a certain displacement or twisting position on the lower part. This latching is released only when a force greater than gravity and / or a force of the automatic movement device, such as the force that an operator applies when pulling out the locking eyelet from the lower part, acts on the locking eyelet.
  • the latching device may be present in a structural configuration with the automatic movement device on the fuse switch-disconnector. Both devices then cooperate in such a way that the locking lug is moved, for example, into its path-end positions by means of the automatic movement device and in these end positions is fixed by means of the locking devices.
  • This device has the advantage of more stable fixation in the end position, in which acts the force of the automatic movement device and the further advantage of fixing the locking lug in a different end position, which is opposite to the force of the automatic movement device.
  • locking lug is further provided that the locking lug is rotatably mounted on an axle mounted in the lower part.
  • the locking lug is mounted on a shaft, which in turn is rotatably mounted on the lower part. It can thereby be dimensioned such that the locking lug and the locking lug receiving axis such that frictional forces between the relative to each other moving components locking lug and axis of rotation occur in such a way that are large enough that the locking lug is held in any rotational position on the axis of rotation.
  • the recess in the lower part and the locking lug in their widths or thicknesses may be dimensioned such that between them also frictional forces occur, which prevent an automatic displacement of the locking lug in the recess.
  • the locking lug is slidably disposed in a guide arranged in the lower part. Similar to the rotatably mounted on the lower part locking eyelet can also occur between the relatively movable guide or recess in the lower part and the locking lug such frictional forces that the locking lug is held in any position and can not move automatically.
  • the locking eye in the lower part is advantageously provided that the locking eye is fixed by means of clamping on the axis.
  • the locking eyelet advantageously in the region of the clamping on the axis of a resilient component, so that the locking eyelet is simply plugged for mounting on the axis of rotation and there holds itself due to the clamping forces.
  • This opening is usually a hole or a hole through which the bracket of a padlock can be passed.
  • the locking lug has at least one stop element for abutment with a movement limiting device arranged in the lower part.
  • This stop element serves to absorb tensile or compressive forces acting on the locking lug when automatically moving into an end position as well as in an attempt to remove the upper part in the closed state from the lower part.
  • the stop elements are made stronger than the other components of the locking lug.
  • the locking eyelet advantageously at least one mold element for attachment of the automatic movement device to her.
  • This form element may for example be a simple hole, in which, for example, a tension spring, which in this case represents the automatic movement device, can be mounted.
  • the locking lug on a convex-shaped area which rests against a pronounced on the lower part concave contact edge.
  • the convex portion of the locking eye and the concave contact edge on the lower part thus form a guide for the locking eye in its rotational movement.
  • the recessed grip in the upper part can be a depression, which is partially covered with a grip element. This only partial cover of the recessed grip by the handle element allows insight into the recessed grip at a viewing position perpendicular to the surface of the upper part. In an alternative embodiment, however, it can also be provided that the grip element completely covers the recessed grip, so that no more insight into the recessed grip is possible with a viewing position perpendicular to the surface of the upper part. In the embodiment of the fuse switch-disconnector with a grip element only partially covering the recessed grip, when a locking device is arranged on the locking eyelet in the recessed grip of the upper part, the information is already given visually to an operator that the fuse switch disconnector is in a locked state. The complete coverage of the recessed grip by the handle element, however, represents a structurally simpler design of the fuse switch-disconnector.
  • a sealing eyelet is arranged, which cooperates with an opening in the upper part such that a seal attached to the sealing eyelet is destroyed during removal of the upper part of the lower part.
  • This seal receiving the sealing ring is arranged at a different location than the locking lug according to the invention on the fuse switch-disconnector.
  • the fuse switch disconnector according to the invention can also be designed such that the locking lug is fixedly arranged on the lower part and projects through a recess in the upper part into the recessed grip arranged in the upper part.
  • a locking device such as a padlock.
  • FIG. 1 shows a sectional view in the region of the third pole of the fuse switch-disconnector with a first part 1 (hereinafter referred to as lower part 1) and arranged thereon from the first part 1 peelable second part 2 (hereinafter referred to as upper part 2).
  • the upper part 2 rests on the lower part 1.
  • the upper part 2 has a recessed grip 3 integrated in it.
  • the recessed grip 3 is partially covered by the grip element 15.
  • a sealing eyelet 16 is fixed, the end of which projects at least partially into an opening in the upper part 2.
  • the seal (not shown) is dimensioned such that it has a larger circumference than the opening in the substantially Upper part 2 has, so that it is destroyed when removing the upper part 2 from the lower part 1.
  • the locking lug 4 is pivotally mounted on an axle 8.
  • This locking lug 4 has an opening 9 for receiving a locking device.
  • FIG. 1 is the locking lug 4 in the withdrawn from the lower part 1 position, that is, that the opening 9 for receiving the locking device is so far pulled out of the lower part 1 that in her example, the bracket of a padlock (not shown) can be mounted , It can be seen that when mounting the locking device in the opening 9 for receiving the locking device, the upper part 2 can not be removed from the lower part 1. In an attempt to remove the upper part 2 from the lower part 1, the voltage applied to the lower part 1 surface of the recessed grip 3 in the upper part 2 on the bracket of the padlock would come to rest.
  • the locking lug 4 has a stop element 10 for abutment with at least one arranged on the lower part 1 movement limiting device 11, the Cambridgelegbare angle of rotation of the locking lug 4 is limited to the lower part 1.
  • the maximum angle of rotation of the locking lug 4 is defined by the position of the stop element 10 with respect to the movement limiting device 11.
  • the upper part 2 for this purpose has a recess 5 for the passage of the locking lug 4 through its resting on the lower part 1 wall.
  • the section of the sectional view is guided by this recess 5.
  • the locking lug 4 In the pivoted position of the locking lug 4, this is thus with its opening 9 having area in the recessed grip 3 and with its remaining area in a recess 6 in the lower part 1.
  • This recess 6 serves to receive the locking lug 4, so that the locking lug is fully immersed in the retracted position in the volume of the lower part 1, so that no increase in the outer dimensions of the fuse switch-disconnector occurs.
  • the locking lug 4 can be locked to the lower part 1.
  • the locking element 7 is formed on the locking lug 4.
  • This locking element 7 essentially has a hole shape into which, for example, a pin (not shown) can engage on the lower part 1. At the same time, this hole 7 is used in the locking lug 4 for producing a resilient clamping force between locking lug 4 and the axis eighth
  • the locking eyelet 4 is provided with a convex shaped portion 13 which rests at least partially on a concave contact edge 14 on the lower part 1 depending on the angular position of the locking eyelet 4 ,
  • this concave contact edge 14 on the lower part 1 also has a movement limiting device 11 which limits the angle of rotation of the locking lug 4 in a direction of rotation.
  • a stop element 10 of the locking lug 4 sets in a certain angular position, as in FIG. 2 shown.
  • the locking lug 4 is fully pivoted in this angular position in the lower part 1, so that it no longer protrudes into the recessed grip 3.
  • the stop element 10 of the locking lug 4 and the movement limiting device 11 on the lower part 1 can be arranged to each other in such a way that the locking lug 4 substantially with the underside of the recessed grip 3 completes.
  • the locking lug 4 is inserted with a portion in the recess 5 for the passage of the locking lug 4 in the upper part 2, but does not protrude into the recessed grip 3.
  • the locking lug 4 has at least one notch 17, which facilitates the manual engagement or even the engagement of a tool, such as a screwdriver blade, that is, that the locking lug 4 can be taken at these notches 17 and can be pulled out into the recessed grip 3.
  • an automatic movement device such as a spring (not shown), which automatically pulls out the locking eye 4 in the lower part 1 or from this, a mold element 12 is provided for fastening this automatic movement device to the locking lug 4.
  • Locking lug 4 shown this form of element 12 is a hole or an opening in which, for example, the end of a coil spring can be mounted.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Breakers (AREA)

Claims (17)

  1. Sectionneur de sécurité à coupure en charge, comprenant une première partie ( 1 ), sur laquelle est montée mobile une deuxième partie ( 2 ), qui fonctionne en levier de manoeuvre et qui, lorsque le sectionneur de sécurité à coupure en charge est fermé, recouvre la première partie ( 1 ), au moins en partie, la deuxième partie ( 2 ) ayant une poignée concave, sur laquelle est monté un élément ( 15 ) de poignée, et comprenant un oeillet ( 4 ) de verrouillage, qui est monté sur la première partie ( 1 ) et qui a une ouverture ( 9 ) pour la réception d'un dispositif de verrouillage, dans lequel la deuxième partie ( 2 ) s'appliquant à la première partie ( 1 ) a un évidement ( 5 ) pour le passage de l'oeillet ( 4 ) de verrouillage et dans lequel oeillet ( 4 ) de verrouillage est disposé dans la région de la première partie ( 1 ), qui est surmontée de la poignée ( 3 ) concave,
    caractérisé en ce que le dispositif de verrouillage peut, pour la réception du dispositif de verrouillage, être accroché dans l'ouverture ( 9 ), de manière à ce que la deuxième partie ( 2 ) ne puisse plus être retirée de la première partie ( 1 ), puisque, si on essaie de retirer la deuxième partie ( 2 ) de la première partie ( 1 ), la surface de la poignée ( 3 ) concave s'appliquant à la première partie ( 1 ) vient s'appliquer dans la deuxième partie ( 2 ).
  2. Sectionneur de sécurité à coupure en charge suivant la revendication 1, caractérisé en ce que oeillet ( 4 ) de verrouillage est monté tournant sur la première partie ( 1 ) et peut, par l'évidement ( 5 ) de la deuxième partie ( 2 ), pénétrer en pivotant dans la poignée ( 3 ) concave.
  3. Sectionneur de sécurité à coupure en charge suivant la revendication 1, caractérisé en ce que oeillet ( 4 ) de verrouillage est monté coulissant sur la première partie ( 1 ) et peut, par l'évidement ( 5 ) de la deuxième partie ( 2 ), pénétrer par coulissement dans la poignée ( 3 ) concave.
  4. Sectionneur de sécurité à coupure en charge suivant l'une des revendications 2 ou 3, caractérisé en ce que le sectionneur de sécurité à coupure en charge comprend, en outre, un dispositif automatique de déclenchement, qui déplace oeillet ( 4 ) de verrouillage, lorsqu'il n'est pas occupé par un dispositif de verrouillage, pour le mettre dans une position définie par rapport à la première partie ( 1 ).
  5. Sectionneur de sécurité à coupure en charge suivant l'une des revendications 2 à 4, caractérisé en ce que la première partie ( 1 ) comprend un évidement ( 6 ), dans lequel oeillet ( 4 ) de verrouillage est monté mobile, de manière à ce qu'il puisse pénétrer sensiblement complètement dans le volume de la première partie ( 1 ).
  6. Sectionneur de sécurité à coupure en charge suivant l'une des revendications 2 à 5, caractérisé en ce que, sur la première partie ( 1 ), est monté au moins un élément ( 7 ) d'encliquetage et, sur l'oeillet ( 4 ) de verrouillage, est monté au moins un élément ( 7 ) d'encliquetage, qui, en coopération avec l'élément ( 7 ) d'encliquetage sur la première partie ( 1 ), provoque un encliquetage de oeillet ( 4 ) de verrouillage dans une position définie par rapport à la première partie ( 1 ).
  7. Sectionneur de sécurité à coupure en charge suivant l'une des revendications 2, 4 à 6, caractérisé en ce que l'oeillet ( 4 ) de verrouillage est monté tournant sur un axe ( 8 ) fixé dans la première partie ( 1 ).
  8. Sectionneur de sécurité à coupure en charge suivant la revendication 7, caractérisé en ce que oeillet ( 4 ) de verrouillage est fixé sur l'axe ( 8 ) au moyen d'un serrage.
  9. Sectionneur de sécurité à coupure en charge suivant l'une des revendications 3 à 6, caractérisé en ce que oeillet ( 4 ) de verrouillage est monté coulissant dans un guidage disposé dans la première partie ( 1 ).
  10. Sectionneur de sécurité à coupure en charge suivant l'une des revendications précédentes, caractérisé en ce que oeillet ( 4 ) de verrouillage a une ouverture ( 9 ) de réception du dispositif de verrouillage.
  11. Sectionneur de sécurité à coupure en charge suivant l'une des revendications précédentes, caractérisé en ce que oeillet ( 4 ) de verrouillage a au moins un élément ( 10 ) de butée destiné à s'appliquer sur au moins un dispositif ( 11 ) de limitation du déplacement monté sur la première partie ( 1 ).
  12. Sectionneur de sécurité à coupure en charge suivant l'une des revendications 4 à 11, caractérisé en ce que l'oeillet ( 4 ) de verrouillage a au moins un élément ( 12 ) conformé pour la fixation du dispositif automatique de déplacement.
  13. Sectionneur de sécurité à coupure en charge suivant l'une des revendications 2, 4 à 12, caractérisé en ce que l'oeillet ( 4 ) de verrouillage a une région ( 13 ) convexe et en ce que la première partie ( 1 ) a un bord ( 4 ) d'application concave, la région ( 13 ) convexe sur oeillet ( 1 ) de verrouillage et le bord ( 14 ) d'application concave formant un guidage de l'oeillet ( 4 ) de verrouillage dans son mouvement de rotation.
  14. Sectionneur de sécurité à coupure en charge suivant l'une des revendications précédentes, caractérisé en ce que la poignée ( 3 ) concave est une cavité dans la deuxième partie ( 2 ), qui est recouverte en partie d'un élément ( 15 ) de poignée.
  15. Sectionneur de sécurité à coupure en charge suivant l'une des revendications 1 à 13, caractérisé en ce que la poignée ( 3 ) concave est une cavité dans la deuxième partie ( 2 ), qui est recouverte complètement d'un élément ( 15 ) de poignée.
  16. Sectionneur de sécurité à coupure en charge suivant l'une des revendications précédentes, caractérisé en ce que, sur la première partie ( 1 ), est monté, en outre, un oeillet ( 16 ) de plombage, qui coopère avec une ouverture de la deuxième partie ( 2 ), de manière à détruire un plomb fixé à l'oeillet ( 16 ) de plombage, lorsque la deuxième pièce ( 2 ) est éloignée de la première pièce ( 1 ).
  17. Sectionneur de sécurité à coupure en charge suivant la revendication 1, caractérisé en ce que oeillet ( 4 ) de verrouillage est monté fixe sur la première partie ( 1 ) et pénètre dans la poignée ( 3 ) concave de la deuxième partie ( 2 ).
EP06805337.0A 2006-09-25 2006-09-25 Sectionneur de sécurité à coupure en charge avec dispositif de verrouillage Not-in-force EP2067152B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DE2006/001689 WO2008037228A1 (fr) 2006-09-25 2006-09-25 Sectionneur de sécurité à coupure en charge avec dispositif de verrouillage

Publications (2)

Publication Number Publication Date
EP2067152A1 EP2067152A1 (fr) 2009-06-10
EP2067152B1 true EP2067152B1 (fr) 2017-03-22

Family

ID=37909661

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06805337.0A Not-in-force EP2067152B1 (fr) 2006-09-25 2006-09-25 Sectionneur de sécurité à coupure en charge avec dispositif de verrouillage

Country Status (3)

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EP (1) EP2067152B1 (fr)
DE (1) DE112006004161A5 (fr)
WO (1) WO2008037228A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104900434A (zh) * 2014-03-06 2015-09-09 西门子公司 熔断器隔离开关的挂锁机构及其熔断器隔离开关
DE102020125730B3 (de) 2020-10-01 2022-04-14 Klaus Bruchmann Gmbh Sicherungslasttrennschalter, insbesondere nh-sicherungslasttrennschalter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7729230U1 (de) * 1977-09-21 1978-01-05 Christian Geyer Gmbh & Co, 8500 Nuernberg Elektrischer Installationsschalter und Leitungsschutzschalter zum Einbau in Verteiler
DE8019255U1 (de) 1980-07-18 1980-10-23 Christian Geyer Gmbh & Co, 8500 Nuernberg Elektrischer Installationsschalter und Leitungsschutzschalter
DE9201409U1 (de) * 1992-02-05 1993-06-03 Siemens AG, 8000 München Sperrvorrichtung gegen Betätigung, insbesondere Wiedereinschalten von Installationsgeräten

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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Publication number Publication date
WO2008037228A1 (fr) 2008-04-03
DE112006004161A5 (de) 2009-09-03
EP2067152A1 (fr) 2009-06-10

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