EP2618358B1 - Dispositif de déclenchement pour un disjoncteur - Google Patents

Dispositif de déclenchement pour un disjoncteur Download PDF

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Publication number
EP2618358B1
EP2618358B1 EP12188986.9A EP12188986A EP2618358B1 EP 2618358 B1 EP2618358 B1 EP 2618358B1 EP 12188986 A EP12188986 A EP 12188986A EP 2618358 B1 EP2618358 B1 EP 2618358B1
Authority
EP
European Patent Office
Prior art keywords
switching
frame
tripping
movement
moved
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
EP12188986.9A
Other languages
German (de)
English (en)
Other versions
EP2618358A1 (fr
Inventor
Torsten Ahlert
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 EP2618358A1 publication Critical patent/EP2618358A1/fr
Application granted granted Critical
Publication of EP2618358B1 publication Critical patent/EP2618358B1/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
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/22—Operating parts, e.g. handle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
    • H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H01H1/2041—Rotating bridge
    • H01H1/2058—Rotating bridge being assembled in a cassette, which can be placed as a complete unit into a circuit breaker
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
    • H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
    • H01H2077/025—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with pneumatic means, e.g. by arc pressure

Definitions

  • the present invention relates to a switching device for an electric switching device, in particular an electric power switch, and a method for switching a switching device.
  • Switching devices for electrical switching devices are basically for example from the WO 2010/112420 A1 known. They are used, for example, to protect line sections or circuits.
  • the circuit breaker can also be designed as a molded case circuit breaker in the form of electrical switching devices. To ensure that the switching device is switched off in the event of short circuits or intensive power fluctuations, these are equipped with tripping devices.
  • the tripping devices are used to detect short circuits at one or more poles and to perform a circuit of the switching device (switching off) accordingly.
  • a trigger member is provided in known switching devices, which is movably mounted between a rest position and a release position. In the rest position, the trigger member is ready to perform a trip, so to speak.
  • a short-circuit current is sensed at a pole
  • the trip member is moved to the trip position so that a shift mechanism may be initiated based on this movement.
  • an electrical, a magnetic or a thermal transmission from the triggering member is used for transmitting the triggering information.
  • spring mechanisms can set the release force at a trigger member. It is in the monitoring of more than one pole, for example, in DC with two poles or three-phase with at least three poles, a variety of such spring elements necessary. However, make sure that the monitoring of at least two poles for all poles the same or substantially the same tripping force is set. In addition to the increased complexity because of a large number of individual spring elements, these spring elements must also be coordinated with each other with regard to their fine adjustment for the triggering forces.
  • a further disadvantage of known switching devices is that the forwarding of the release movement to a triggering mechanism, for example a switch of the switching unit, must additionally be done separately by each individual triggering member. Therefore, the complexity and cost of known switching devices are also significantly increased here.
  • a switching device for an electrical switching device, in particular an electrical power switch, such as a molded case circuit breaker, is used for protection of at least two poles.
  • Each pole is preferably associated with a phase of a circuit. If a DC network is monitored by the switching device, two poles are provided for these two phases, while in a three-phase network, for example, at least three poles are monitored for all three phases.
  • a release member movably mounted between a rest position and a release position is provided for each pole. The movement of the trigger member can be carried out, for example, rotationally and / or translationally.
  • a switching device is characterized in that a common frame movable between a biasing position and a switching position is provided for at least two triggering members.
  • the switch frame is connected to frame portions of the at least two trigger members in force-transmitting active contact for the movement of the switching frame in the switching position upon movement of the trigger member in the release position.
  • the switching frame has at least one spring element which is designed to apply force to the frame sections of the at least two triggering members in the direction of the rest position of the at least two triggering members.
  • a single spring element and single, common switching frame is used instead of a plurality of spring elements and a plurality of transmission components. This common switching frame serves to provide the necessary release force for all release members of a single spring element.
  • a single spring element must be adjusted with respect to the applied force as a triggering force for all release members. If it is preferably, for example, a compression spring for the spring element, it can provide a defined release force for any number of release elements in particularly small tolerance ranges.
  • a switching device thus basically works to the effect that the triggering movement of a single trigger member is sufficient to move the common switching frame entirely against the force of the spring element in its switching position.
  • the switching frame moves against the spring.
  • the spring element can therefore also be understood as a common spring element for all release members.
  • the spring element serves to move the switch frame back to its biasing position.
  • This return movement is effected by the spring force, which increases when moving into the switching position.
  • the spring force which increases when moving into the switching position.
  • not only the switching frame but also indirectly moved via the switching frame and the respective tripped trigger member.
  • When triggered by a plurality of trigger members of the switching frame accordingly also all other tripped release members in their rest position. This is preferably done immediately after triggering.
  • a plurality of poles can be secured in accordance with the invention so that a short circuit at one pole leads to tripping in accordance with the invention.
  • the transmission of the trigger command or the definition of the triggering force by a single common spring element or by a single common switching frame is provided.
  • a common adjustment of the release force for all trip members is thus particularly easy.
  • a force-transmitting active contact is preferably a detachable, touching contact to understand.
  • the frame portion of the respective trigger member contacts a corresponding surface portion on the switching frame.
  • the non-triggering trigger member can remain in place. It thus dissolves this touching contact, so that the force-transmitting active connection is canceled.
  • a corresponding freewheel is preferably provided in the switching frame, as will be explained later.
  • the switching frame is substantially freely movable, but preferably translationally movable. For this purpose, it is mounted on a housing part or other components of the switching device in a corresponding manner.
  • the switching frame in addition to the definition of the release force on the spring element, in its movement into the switching position and the transmission of the triggering command takes over.
  • the switching frame can be equipped with further components or sections which can provide transmission of the triggering information in a mechanical or other manner.
  • the switching frame is preferably particularly lightweight and still brings the desired stability in mechanical terms. This can be achieved, for example, by a construction made of plastic, in particular by means of an injection molding process.
  • the tripping members may also be referred to as swivels or tripping swivels, and are each provided for a pole, which is also referred to as a switching unit.
  • the individual frame sections are, so to speak, acted upon indirectly via the switching frame by the common spring element with force. So you can understand the switch frame so as a distributor for the application of force to the release members by the spring element.
  • a switching device is preferably formed with an evaluation electronics for the trigger members. This can be done from an ON position in a particularly simple manner, even with currentless evaluation electronics in the event of a pole trip a movement of a switch of the switching device.
  • the switch is moved directly or indirectly via the common switching frame from the ON position to an OFF position. In this way, in particular the problem is resolved that when using an evaluation electronics, this is initially too slow and then de-energized.
  • the switching frame between the biasing position and the switching position is translationally movable and / or the trigger members between the rest position and the triggering position are rotatably movable.
  • the switching frame is mounted for movement between the pretensioning position and the switching position via pins which are translationally movable in guide openings.
  • the storage is preferably carried out in other components the switching device, for example, housing components or the individual housings of the poles or the switching units. It is possible regardless of the type of storage readily kinematic reversal.
  • the pins may be attached to the switching frame, which are mounted in guide openings of the individual polar units.
  • pins are provided on the respective housing of the pole unit, which in turn engage in translational mobility in guide openings of the switching frame.
  • both the pins and the guide openings are integral with the respective corresponding component, in particular monolithic.
  • a translational mobility is meant a movement substantially along an axis.
  • stops which define the end positions of the switch frame. These stops may be formed separately from the pins and the guide holes, and are particularly provided by an outer case.
  • a pin Under a pin is not necessarily an element with a round cross section to understand. Other cross-sections, such as elliptical, polygonal, rectangular, triangular or other cross-sectional shapes are conceivable within the scope of the present invention. Therefore, a pin according to the invention may also be referred to as a projection.
  • the pins can be performed in the guide openings in a kind of slotted guide. This would represent a particularly advantageous embodiment of complex translational movements.
  • the switching frame a Switching portion which is formed for actuating a switch for switching the switching device in the movement of the switching frame from the biasing position to the switching position.
  • the switching section thus serves to fulfill a second functionality of the switching frame, namely to transmit the triggering command or the triggering information from the respective triggering element.
  • the switch itself can in turn be designed in any way. It may be a magnetic switch, an electronic switch, a thermal switch or a switch acting in other ways.
  • the switch has a triggering pawl, which comes into contact and is moved with the switching section of the switching frame as it moves into the switching position.
  • the switching section is used to move due to its geometric displacement together with the switching frame such a release latch in an operative position.
  • the switching section is at least partially formed as a slope, which includes an angle of less than 90 °, in particular between about 30 ° and about 60 ° to the direction of movement of the switching frame.
  • This slope allows a particularly simple transmission of the trigger command. If the switching section moves in the direction of the switching position, this bevel will cause a corresponding triggering pawl to be displaced into another position.
  • the displacement direction of the release latch is preferably formed at right angles or substantially at right angles to the direction of translation of the shift frame.
  • the bevel with a setting in a range between about 30 ° and about 60 ° causes a particularly low frictional force and yet a sufficient displacement for the movement of the release latch of a switch is provided.
  • the Spring element is designed as a compression spring, in particular in the form of a spiral spring.
  • a compression spring in particular in the form of a spiral spring, is particularly advantageous when required close tolerance ranges, since such a compression spring allows adjustment of the spring force with tight tolerances.
  • other spring element types such as tension springs, torsion springs or the like, are conceivable within the scope of the present invention.
  • a coil spring does not necessarily have to be used.
  • plastic components such as elastomer components, are used for the spring element.
  • the switching frame has a surface with reduced sliding friction at least in sections, in particular at contact surfaces to the frame sections.
  • a reduced friction for the drive through the frame portion of the respective trigger member is provided for moving the switch frame itself. Since an additional force to overcome the frictional forces is required, thus reducing the possible force which can be given during the triggering process, ie during the release movement of the trigger members, on the switching frame, for example, to a switching section on.
  • the necessary spring force is reduced, and thus a smaller and less expensive spring element can be used.
  • a reduced sliding friction can be achieved, for example, by surface treatment, in particular by reduced roughness.
  • coatings are conceivable, for example, have a Teflon component.
  • the entire material of these surface sections or volume sections at the contact surfaces to the frame sections can be formed of a material with a corresponding Gleitanteil, such as Teflon.
  • the switching frame has an associated freewheeling area for each frame section, which is designed so that, when the triggering element moves into the triggering position, the non-triggering triggering elements remain in the rest position during movement of the switching frame.
  • the release members which do not trigger, not pulled in the event of triggering, or not dragged by the switch frame.
  • a displacement force or Mitschleppkraft for the remaining release members is prevented, so that in particular an increased speed or an increased switching force can be provided via the switching frame available.
  • the free-wheeling area for preventing a collision between the shift frame and the frame portion of the standing release member is formed upon movement of the shift frame to the shift position.
  • This step of freewheeling can also be referred to as decoupling, since preferably the contact, ie the force-transmitting active contact, is released between such a frame section and the switching frame.
  • the freewheeling areas are designed in the form of a window.
  • the force-transmitting active contact between the switching frame and the frame sections is in each case a releasable, contacting contact.
  • the switching frame has openings and / or stiffeners. This leads to a reduction of weight and still sufficient rigidity of the switching frame. The reduction in weight reduces on the one hand the cost of materials and thus the cost and on the other hand increases the speed of the switching process.
  • the switching frame is designed in the form of a framework or truss.
  • the switching device is designed such that the frame portion at least partially has an outer contour which is designed such that during the rotation of at least one trigger member in the release position of the switching frame is moved to the switching position and thereby the frame portion on this outer contour on the contact surface of the switching frame rolls.
  • the rolling reduces the wear and the resulting friction, as is transferred from a sliding friction in a rolling friction.
  • the wear is reduced, so that a switching device according to the invention can remain longer and in particular maintenance-free in use.
  • a method for switching a switching device for the protection of at least two poles wherein at least one trigger member for a pole with a frame portion is rotated from a rest position to a release position.
  • a method is characterized in that on the rotating frame portion a common switching frame for at least two trigger members of a biasing position against the spring force of the spring element in a switching position and then is moved back into the biasing position by the application of spring force to the spring element.
  • an inventive method describes the triggering situation of a switching device, as it is formed in particular in accordance with the invention. Such a method therefore brings with it the same advantages as have been explained in detail with reference to a switching device according to the invention.
  • the spring force may also be referred to as a release force and is preferably substantially identical for all trip members.
  • a method according to the invention can be developed such that the switching frame actuates a switch for switching the switching device via a switching section when moving into the switching position.
  • a dual functionality is also provided in accordance with the invention.
  • a transmission of the tripping command can take place, which is transmitted, for example, with a tripping latch of a switch.
  • a method according to the invention can be developed by designing the switching device according to the present invention.
  • the switching device 10 is formed for three poles 100.
  • a switching unit 110 is provided for each pole 100.
  • Each pole 100 is equipped with a trigger member 20a, 20b and 20c. All three trigger members 20a, 20b and 20c are rotatable between a release position A and a rest position R.
  • Fig. 1 shows for all trip members 20a, 20b and 20c, the rest position R.
  • three windows are provided in the switching frame 30, which are significantly larger in terms of their geometric extent, as is the case on the respective frame portion 22. The enlarged windows can also be referred to as freewheel area 39 in part.
  • the switching frame 30 has a spring element 32, which is supported against a housing of the switching device 10 or one of the switching units 110 of a pole 100.
  • a force is applied in the direction of the rest position R of the individual trigger members 20a, 20b and 20c.
  • the right trigger member 20c triggers, it becomes out of the rest position R, as in FIG Fig. 1 shown, rotated in the release position A clockwise.
  • About the frame portion 22 is via a contact surface 31 of the Switch frame 30 in Fig. 1 moved to the right. Due to the freewheeling regions 39 in the remaining windows of the two other poles 100 of the switching frame 30, a co-movement of the two further triggering members 20a and 20b is avoided. Rather, these run into the freewheeling area 39 without colliding with the switching frame 30.
  • force is stored in the spring element 32 or introduced into the spring element 32.
  • the switch frame 30 is guided over pins 34 that are substantially integral with the switch frame 30. They are mounted translationally movable in guide openings 36, which in turn are arranged on the respective switching unit 110.
  • the switching frame 30 is also provided with openings 35 and stiffening ribs 33 in order to provide the desired rigidity with the lowest possible cost of materials available.
  • the switching frame 30 additionally has a switching section 38.
  • This is designed as an inclined plane or oblique surface which is formed at an angle of approximately 45 ° to the direction of the translational movement of the switching frame 30.
  • a switch 40 is provided, which is about a tripping pawl in touching mechanical contact with the switching section 38 and can be brought.
  • Fig. 5 It can be seen that when the switch frame 30 moves to the right, the inclined surface of the switching portion 38, the pawl of the switch 40 moves to the bottom right.
  • a triggering movement which, for example, performs a switching operation for all or even one pole in a magnetic or thermal or otherwise selective manner. If a trigger signal is received, and this following the respective trigger member rotates, so regardless of whether one, two or all poles experienced such a trigger situation, a common triggering via the common switching frame 30 done.

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  • Breakers (AREA)
  • Push-Button Switches (AREA)

Claims (12)

  1. Dispositif de commutation (10) pour un appareil de commutation électrique, en particulier pour un disjoncteur électrique, destiné à protéger au moins deux pôles (100), comportant un organe de déclenchement (20a, 20b, 20c), logé mobile entre une position de repos (R) et une position de déclenchement (A), pour chaque pôle (100), comportant un cadre de commutation commun (30), mobile entre une position de précontrainte (V) et une position de commutation (S), pour au moins deux organes de déclenchement (20a, 20b, 20c), lequel est en contact actif de transmission de force avec des parties de cadre (22) des au moins deux organes de déclenchement (20a, 20b, 20c) pour faire passer le cadre de commutation (30) à la position de commutation (S) lorsque l'organe de déclenchement (20a, 20b, 20c) passe à la position de déclenchement (A) et lequel comporte au moins un élément élastique (32) qui est réalisé pour appliquer une force aux parties de cadre (22) des au moins deux organes de déclenchement (20a, 20b, 20c) en direction de la position de repos (R) des au moins deux organes de déclenchement (20a, 20b, 20c), caractérisé en ce que la partie de cadre (22) présente, au moins en partie, un contour extérieur qui est réalisé de telle sorte que, lorsqu'au moins un organe de déclenchement (20a, 20b, 20c) tourne pour passer à la position de déclenchement (A), le cadre de commutation (30) subit un mouvement qui le fait passer à la position de commutation (S) tout en se déroulant sur la surface de contact (31) du cadre de commutation (30).
  2. Dispositif de commutation (10) selon la revendication 1, caractérisé en ce que le cadre de commutation (30) peut être déplacé en translation entre la position de précontrainte (V) et la position de commutation (S) et/ou les organes de déclenchement (20a, 20b, 20c) peuvent être déplacés en rotation entre la position de repos (R) et la position de déclenchement (A).
  3. Dispositif de commutation (10) selon la revendication 2, caractérisé en ce que le cadre de commutation (30) est logé, par l'intermédiaire de tiges (34) déplaçables en translation dans des ouvertures de guidage (36), pour subir un mouvement entre la position de précontrainte (V) et la position de commutation (S).
  4. Dispositif de commutation (10) selon l'une des revendications précédentes, caractérisé en ce que le cadre de commutation (30) comporte une partie de commutation (38) qui est réalisée pour actionner un commutateur (40) pour la commutation du dispositif de commutation (10) lorsque le cadre de commutation (30) passe de la position de précontrainte (V) à la position de commutation (S).
  5. Dispositif de commutation (10) selon la revendication 4, caractérisé en ce que la partie de commutation (38) est réalisée au moins en partie en tant qu'oblique qui forme avec la direction du déplacement du cadre de commutation (30), un angle inférieur à 90°, et plus particulièrement compris entre environ 30° et environ 60°.
  6. Dispositif de commutation (10) selon l'une des revendications précédentes, caractérisé en ce que l'élément élastique (32) est réalisé en tant que ressort de compression, et plus particulièrement sous la forme d'un ressort hélicoïdal.
  7. Dispositif de commutation (10) selon l'une des revendications précédentes, caractérisé en ce que le cadre de commutation (30) présente au moins en partie, en particulier sur des surfaces de contact (31) avec les parties de cadre (22), une surface à frottement de glissement réduit.
  8. Dispositif de commutation (10) selon l'une des revendications précédentes, caractérisé en ce que le cadre de commutation (30) comporte, pour chaque partie de cadre (22), une zone de roulement libre associée (39) qui est réalisée de telle sorte que, lorsqu'un organe de déclenchement (20a, 20b, 20c) passe à la position de déclenchement (A), les organes de déclenchement (20a, 20b, 20c) qui ne déclenchent pas au déplacement du cadre de commutation (30) restent en position de repos (R).
  9. Dispositif de commutation (10) selon l'une des revendications précédentes, caractérisé en ce que le contact actif de transmission de force entre le cadre de commutation (30) et les parties de cadre (22) est respectivement un contact contactant amovible.
  10. Dispositif de commutation (10) selon l'une des revendications précédentes, caractérisé en ce que le cadre de commutation (30) présente des ajours (35) et/ou des nervures de rigidification (33).
  11. Procédé de commutation d'un dispositif de commutation (10) destiné à protéger au moins deux pôles (100), au moins un organe de déclenchement (20a, 20b, 20c) pour un pôle (100) subissant, avec une partie de cadre (22), une rotation pour passer d'une position de repos (R) à une position de déclenchement (A), un cadre de commutation commun (30) pour au moins deux organes de déclenchement (20a, 20b, 20c) étant, via la partie de cadre (22) qui a tourné, déplacé d'une position de précontrainte (V) à l'encontre de la force élastique d'un élément élastique (32) pour passer à une position de commutation (S) et étant ensuite déplacé par application d'une force élastique à l'élément élastique (32) pour repasser à la position de précontrainte (V), caractérisé en ce qu'il est exécuté pour un dispositif de commutation (10) présentant les caractéristiques de l'une des revendications 1 à 10.
  12. Procédé selon la revendication 11, caractérisé en ce que le cadre de commutation (30) actionne, via une partie de commutation (38), lors du passage à la position de commutation (S), un commutateur (40) pour commuter le dispositif de commutation (10).
EP12188986.9A 2012-01-18 2012-10-18 Dispositif de déclenchement pour un disjoncteur Not-in-force EP2618358B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012200662A DE102012200662A1 (de) 2012-01-18 2012-01-18 Schaltvorrichtung für ein elektrisches Schaltgerät

Publications (2)

Publication Number Publication Date
EP2618358A1 EP2618358A1 (fr) 2013-07-24
EP2618358B1 true EP2618358B1 (fr) 2017-03-22

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EP12188986.9A Not-in-force EP2618358B1 (fr) 2012-01-18 2012-10-18 Dispositif de déclenchement pour un disjoncteur

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US (1) US9064658B2 (fr)
EP (1) EP2618358B1 (fr)
CN (1) CN103219172B (fr)
DE (1) DE102012200662A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3050332B1 (fr) * 2016-04-15 2019-05-31 Schneider Electric Industries Sas Appareil electrique debrochable de coupure d'un courant electrique presentant une plaque de fond amelioree
US9922781B2 (en) * 2016-06-08 2018-03-20 Eaton Corporation Hybrid MCCB employing electromechanical contacts and power electronic devices

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Publication number Priority date Publication date Assignee Title
DE10013099B4 (de) * 2000-03-17 2004-08-26 Aeg Niederspannungstechnik Gmbh & Co Kg Auslösevorrichtung für einen Leistungsschalter
DE10036352A1 (de) * 2000-07-26 2002-02-07 Moeller Gmbh Magnetauslöser für Schutzschalter
DE10157852B4 (de) * 2001-11-24 2007-04-12 Moeller Gmbh Testanordnung mit Kurzschlussmelder
WO2007144049A1 (fr) 2006-06-14 2007-12-21 Moeller Gmbh Déclencheur de surcharge thermique pour un appareil de coupure électrique multipolaire
DE102007010943B4 (de) * 2006-06-14 2019-08-14 Eaton Industries Gmbh Thermischer Überlastauslöser für ein mehrpoliges elektrisches Schaltgerät
DE102009015126A1 (de) 2009-03-31 2010-10-14 Siemens Aktiengesellschaft Auslöser für eine elektrische Schaltanordnung

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Publication number Publication date
CN103219172A (zh) 2013-07-24
CN103219172B (zh) 2017-04-12
US20130180838A1 (en) 2013-07-18
DE102012200662A1 (de) 2013-07-18
EP2618358A1 (fr) 2013-07-24
US9064658B2 (en) 2015-06-23

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