WO2007134767A2 - Dispositif de mise hors circuit ou mise en circuit automatique d'un récepteur électrique - Google Patents

Dispositif de mise hors circuit ou mise en circuit automatique d'un récepteur électrique Download PDF

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Publication number
WO2007134767A2
WO2007134767A2 PCT/EP2007/004352 EP2007004352W WO2007134767A2 WO 2007134767 A2 WO2007134767 A2 WO 2007134767A2 EP 2007004352 W EP2007004352 W EP 2007004352W WO 2007134767 A2 WO2007134767 A2 WO 2007134767A2
Authority
WO
WIPO (PCT)
Prior art keywords
current
load
supply line
adjusting means
line
Prior art date
Application number
PCT/EP2007/004352
Other languages
German (de)
English (en)
Other versions
WO2007134767A3 (fr
Inventor
Andreas Schindler
Ralf Coors
Klaus Jüngling
Original Assignee
Friedrich Lütze Gmbh & Co. Kg
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 Friedrich Lütze Gmbh & Co. Kg filed Critical Friedrich Lütze Gmbh & Co. Kg
Priority to DK07725268.2T priority Critical patent/DK2020074T3/da
Priority to EP07725268A priority patent/EP2020074B1/fr
Priority to ES07725268T priority patent/ES2386648T3/es
Priority to PL07725268T priority patent/PL2020074T3/pl
Publication of WO2007134767A2 publication Critical patent/WO2007134767A2/fr
Publication of WO2007134767A3 publication Critical patent/WO2007134767A3/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H2071/7472—Means for adjusting the conditions under which the device will function to provide protection with antitamper means for avoiding unauthorised setting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0264—Mountings or coverplates for complete assembled circuit breakers, e.g. snap mounting in panel
    • H01H71/0271—Mounting several complete assembled circuit breakers together
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08—Terminals; Connections
    • H01H71/082—Connections between juxtaposed circuit breakers

Definitions

  • the invention relates to a device for automatically switching off or switching an electrical load according to the preamble of claim 1.
  • Such devices are versatile, especially in the field of industrial automation and related control tasks.
  • a typical installation location are sub-distributions or control cabinets.
  • Electrical devices can be connected to such devices, for example actuators, such as motors or valves, or sensors, such as temperature sensors or pressure gauges.
  • actuators such as motors or valves
  • sensors such as temperature sensors or pressure gauges.
  • the connection values of the consumers to be connected, in particular their connected load and their rated current, can be different, and it must usually be provided a corresponding variety of generic devices, in particular be carried to the installation of such devices.
  • a power distribution system in the low voltage range is known in which each circuit a generic circuit breaker with adjustable current limit as short-circuit and / or Overload protection is assigned.
  • the special feature is that in case of overload when exceeding a first adjustable current threshold, a blocking of the power unit after a first adjustable shutdown takes place, and in the event of a short circuit, limiting the current through the power unit to a second adjustable current threshold and blocking the power unit after a second Switch-off time takes place.
  • the known circuit breaker has control inputs and signal outputs which are routed to a signal line or a bus interface. The consumers are connected only one pole with their respective positive pole to the circuit breaker, in particular the
  • the adaptation of the tripping characteristic of the generic device to the consumers to be connected can often finally be made on site, ie during installation of the device.
  • This adjustment is typically made by selecting a suitable device from a variety of devices that have been factory-made with different tripping characteristics.
  • the devices may be factory-made with different nominal current values or with a different response time after which the device responds.
  • standard classifications for tripping characteristics have been created for this purpose, see, for example, VDE 0641 or VDE 0664. This requires, during assembly or maintenance of such devices, one copy of each type that may be required.
  • the invention is therefore based on the object to provide a device which overcomes the disadvantages of the prior art.
  • the compiled from generic devices systems should be inexpensive to manufacture and maintain, easy to adapt to changing circumstances and yet permanently reliable in operation.
  • the tripping characteristic is determined at least by the parameter of the power or current integral, i. by the integral of the power or the current flowing through the load line over time, and the limit for that integral is directly adjustable by the adjusting means.
  • the integral can only be formed over an integration time that has lapsed in each case, for example over the past five seconds in each case; Longer values are no longer taken into account during integration.
  • the integration time can be constant, or also manually or automatically adjustable by the device, for example, depending on the connected consumer or the current load situation.
  • the actuator is a switch element that essentially shuts off the power and can reconnect. This can be done by a transistor, which also offers the possibility to regulate the load current, in particular to limit.
  • the adjustment means may be realized by a sliding or rotary switch or a sliding or rotary potentiometer connected to a microcontroller-based control unit and with which the parameters for the tripping characteristic can be set.
  • the adjusting element may have a tool engagement surface, so that it can only be operated with a suitable tool.
  • the E instell means is preferably attached to a front or end face of the device, in particular in the vicinity of the nameplate, with which the adjusting means can be characterized as such in a simple manner.
  • E instell means the corresponding parameter is preferably between a predetermined lower limit and a predetermined upper limit in stages or continuously adjustable.
  • the lower and / or upper limit value can be fixed by the control unit, possibly also hard-wired, for example by the installation of corresponding series resistors.
  • the device may be connected in series with the load between a supply line of a DC voltage supply and the associated ground potential.
  • a supply line of a DC voltage supply and the associated ground potential.
  • the device is in series with the load between a phase and the neutral or between two phases.
  • a typical field of application is the use in DC low-voltage power supplies with a rated voltage of 24 V.
  • the device can be arranged in a housing, by means of which the device is detachably fixable on a mounting rail and on the mounting rail to further inventive devices and / or other components of the electrical installation, such as feeder terminals, signaling elements and the like, can be arranged.
  • Two essential parameters of the tripping characteristic are the nominal current value and the dependence of a response time, after which the actuating element is driven, from the actual load current.
  • the device has a single one
  • Setting means with which these two parameters are changed simultaneously.
  • a stepped, in particular three-stage setting means between a standard tripping characteristic B or C for a line protection, G or K for protection of downstream equipment and motors, or Z for protection of
  • a first and / or a second stepwise or stepless E instell means may be provided, with which the nominal current value and the dependence of the response time can be set separately from each other.
  • the device can be adapted to all possible applications and in particular can be set on site during assembly. For example, high rated current values with fast response can be set as well as low rated current values with slow response, and one and the same device can be used for this purpose.
  • the device can be equipped with a factory or with an increased expenditure on equipment and later adjustable basic setting. This basic setting can be activated by an intended means, for example by a button provided for this purpose or by an optionally also latchable end or intermediate position of the adjustment. With such a basic setting, the devices can be delivered to the factory and only when needed and in particular on site during installation by pressing the E instell medium adapted to the local conditions, in particular to be connected consumers.
  • these can be set back from the surrounding housing and / or be actuated only with a tool. It is also contemplated to provide removable and possibly captive associated with the housing covers for E instell medium. As a further alternative, it is possible to provide a type of seal on the adjusting means which is damaged or destroyed during the first actuation, for example a web formed integrally with the housing of the device, which breaks off when the adjusting means is actuated for the first time. As a result, it would be detectable in a possible event of damage that the device was operated at least temporarily with settings changed in relation to the basic setting.
  • a securing element can be provided by means of which the basic setting or a setting made of the adjusting means can be secured against unintentional or unauthorized alteration.
  • a fuse button may be provided which is connected to the control unit and to electrical or electronically the actual setting of the setting by means of E ensures.
  • a mechanical latch or a clamping piece may be provided, upon the actuation of which the setting of the adjusting means can not be changed, thereby mechanically securing the current setting of the adjusting means.
  • the time profile of the current flowing over the load line can be evaluated in different ways. In the simplest case, an exceeding of the set or predetermined maximum current or rated current is registered and then the control element is switched off as quickly as possible and in particular without a controlled delay, thereby interrupting the circuit to the load. In many applications, however, the power or energy consumption to the consumer is crucial, whereas very short-term peak currents can be tolerated. In order for these applications a suitable
  • tripping characteristic it may be advantageous, at least in parallel to assessing the flowing current, the integral of the current i (t) over time or the integral of the current i (t) square with time to capture or calculate and the tripping behavior to take into account.
  • the current values can be recorded at regular intervals and further processed digitally.
  • the current values obtained in this way can be compared with values stored in the control unit or the device.
  • the time between two samples for the current flowing through the load line can be constant, in particular derived from a clock of the control unit, or variably, for example, automatically selected as a function of the current change di (t) / dt, even at very fast If necessary, it is still safe to switch off changes in the current.
  • the device has a contact member, by means of which the device is electrically connectable to a supply line.
  • the contact member is movably mounted in the device and may, for example, be in electrical connection with the supply line in one of two end positions. It is particularly advantageous if no special tool is required for the preparation of the compound and the connection can still be easily made and solved.
  • the contact member may be formed resiliently deformable and be brought for example by a rotary or sliding movement in electrical connection with the supply line.
  • the device can thereby be fixed to a support rail or DIN rail, without being automatically connected to the supply line electrically.
  • the connection is made and can also be solved if necessary, so that the device can be made free of stress even when installed. This is particularly advantageous during assembly or in the case of an exchange of the device, because the neighboring devices do not have to be uninstalled.
  • the device is at least two-pole, preferably all-pole electrically connected to the optionally multi-phase supply line.
  • the diagnostic options are increased, for example, fault current measurements or insulation measurements can be performed, and the signal decoupling in a system with several generic devices is improved.
  • the consumer is at least two-pole, preferably all-pole connected to the device. This ensures a clear assignment of the consumer to the associated device. In an accident, only the consumer concerned can be switched off, whereas the other consumers remain in operation. As a result, the downtime of the associated overall system is reduced.
  • the device has at least one separating element for electrically isolating the device from the consumer and / or the supply line.
  • the separating element can lie in series with the adjusting element and be controllable by the control unit. This provides additional security in the event that the actuating element formed by a semiconductor component in one embodiment fails, in particular has a short circuit.
  • the separating element can be realized by an electromagnetic relay. If even greater safety is required, alternatively or in addition to the separating element, a fuse known per se can be connected in series.
  • the device In the case of a triggering of the device, this can either remain in the off state or automatically return to the on state after a predetermined period of time, in particular by slow driving through the control element and simultaneous determination of the current flowing through the load line current. Should this continue to be unacceptably high, the device can go after a predetermined number of such attempts in a permanently off state.
  • the device also have a reset element, which may also be formed by a corresponding signal input, via which the device receives a reset signal from a parent or sibling control device.
  • the reset element can also be actuated manually from outside the device directly manually or indirectly with a tool, for example by a reset button directly on the device. In one embodiment, only a manual reset is possible, in particular there is no automatic reset.
  • FIG. 1 shows a side view of an embodiment of a device according to the invention
  • FIG. 2 shows a perspective view of an arrangement of a total of seven devices according to the invention
  • FIGS. 4a and 4b show two possible signal curves for the load current i (t).
  • Fig. 1 shows a side view of an embodiment of a device 1 according to the invention with the housing cover removed.
  • the device 1 has a prism-shaped housing 2 made of plastic, wherein the plane-parallel base and top surfaces are parallel to the plane of the drawing.
  • the housing 2 On one in the installed state usually not Visible bottom 4, the housing 2 has an undercut groove 6, by means of which the housing 2 on a symbolically shown only and perpendicular to the plane extending support or DIN rail 8 can be fixed.
  • the device 1 serves to protect electrical installations by limiting the power and / or energy consumption of an electrical load 10 and in particular provides the functionality of an electronic resettable load monitoring.
  • the device 1 can be electrically connected to a supply line.
  • this is a two-pole DC power supply line with a rated voltage of 12 volts or 24 volts, which is provided by two perpendicular to the drawing plane busbars 12, 14.
  • an associated contact member 16, 18, which is resiliently deformable in an associated contact carrier 20, 22 is arranged.
  • the contact carrier 20, 22 may consist of an electrically insulating material and / or may be movably mounted in the device 1, in the embodiment according to the arrows 24, 26 at right angles to the busbars 12, 14 to be slidably mounted.
  • the device 1 is two-pole connected to the supply line.
  • the connection with the busbars 12, 14 can be made and interrupted individually, including the
  • Contact carrier 20, 26 either directly from outside the housing 2 are manually movable or indirectly with a tool are manually movable.
  • the contact carrier 20, 22 for this purpose have a tool engagement surface 28, 30. In the simplest case this can be formed by a depression or a survey in the outer contour of the contact carrier 20, 22.
  • the two contact carriers 20, 22 are individually movable.
  • a mechanical coupling can be provided by means of which the two contact carriers 20, 22 are movable together.
  • the device 1 can also be connected to the supply line only in a single pole, and the second pole of the supply line can be connected via an optionally also used together with other consumers and directly connected to the consumer 10 return line.
  • the load 10 can be connected on the output side to the device 1 via connection terminals 32, 34. These may be screwless terminals 32, 34, which with a
  • Spring contact element are equipped and in which the connection line of the consumer 10 only has to be inserted.
  • an electronic control element 36 which is formed for example by a MOS transistor, connected in series with a load line 38 connecting the contact member 16 to the terminal 32.
  • the connection between the further contact member 18 and the other terminal 34 is looped through in the embodiment by the device 1.
  • a further adjusting element can also be arranged in this connecting line.
  • the load 10 could be disconnected from the supply line in all poles and / or fault current measurements could be carried out.
  • a control unit 40 is arranged, which has a central processing unit, for example in the form of a microcontroller 42.
  • This is data-technologically connected to a data memory 44, which may have a read-only area and / or a freely writable memory area.
  • the power supply of the control unit 40 can take place via the supply line, in particular, the control unit 40 can be connected to the contact members 16, 18 for this purpose.
  • a preferably be rechargeable via the supply line energy storage device may be arranged in the device 1, which ensures an emergency operation of the control unit 40 in case of failure of the supply voltage in any case.
  • the control unit can be connectable via a connecting line or a data bus with a secondary or superordinate control device and receive signals from there or send signals thereto.
  • the control unit 40 and in particular the microcontroller 42 controls the control element 36, for example, the gate terminal of a transistor.
  • a so-called shunt resistor can be arranged either in the load line 38 or, alternatively or additionally, the control element 36 itself can return a signal to the control unit 40, which inferences on the load line 38 flowing electricity there.
  • the voltage dropping across the gate / source path can be detected, which in particular, taking into account the parameters of the actuating element 36 and the other operating parameters, provides information on the voltage applied to the
  • Load line 38 allows flowing current.
  • the determined current is evaluated by the microcontroller 42 on the basis of a predefinable and, in particular, stored in the data memory 44 tripping characteristic Accordingly, the actuator 36 is controlled, in particular switched off.
  • One or more parameters of the tripping characteristic can be adjusted by a first adjusting means 46, which is mechanically accessible from outside the device 1.
  • the first adjusting means 46 in the region of the bottom 4 opposite and arranged to this plane-parallel top 48, and with respect to the surface 50 set back in the interior of the housing 2 is arranged.
  • the upper side 50 has a housing opening, into which a tool can be inserted, by means of which the first adjusting element 46 can be actuated.
  • a second adjusting means 52 is arranged, which is also connected to the control unit 40.
  • the adjustment elements 46, 52 can also be flush with the surface 50 or even protrude beyond this.
  • the adjusting elements 46, 52 can also be directly operated manually.
  • the device 1 further comprises an optical signal element 54, which is connected to the control unit 40 and can signal the operating state of the device 1, for example by emitting green light in the case of normal operation and by emitting red light in the event of triggering of the device 1 Alternatively or additionally, acoustic or other signal elements may also be provided.
  • an optical signal element 54 which is connected to the control unit 40 and can signal the operating state of the device 1, for example by emitting green light in the case of normal operation and by emitting red light in the event of triggering of the device 1 Alternatively or additionally, acoustic or other signal elements may also be provided.
  • the device 1 has a fault message output 56, to which an interference line can be connected, via which the operating state of the device 1, in particular the triggering of the shutdown, can be signaled to a secondary or higher-level control device.
  • a fault message output 56 can basically be identical to the terminals 32, 34 are formed, in particular as a screwless spring contact.
  • the surfaces of the housing 2, on which the terminals 32, 34 and / or the fault message output 56 are arranged, are flat and perpendicular to the plane of the drawing of FIG. 1. These surfaces are arranged in a terraced behind and one above the other with an inclination between 10 and 45 °, in particular about 30 °, relative to the surface 50, and are connected to each other via at right angles to the surface 50 arranged connecting surfaces. As a result, a space-saving arrangement with simultaneous easy operation of the terminals 32, 34 is ensured even in the installed state of the device 1.
  • Fig. 2 shows a perspective view of an arrangement of a total of seven devices 1 according to the invention, which are lined up contours the same. At the back of the first contact carrier 20 is not visible because he is in the pushed back, completely housed in the housing 2 position. In contrast, the second is
  • the bus bar 14 can electrically contact. It is particularly advantageous that in the retracted position of the two contact carriers 20, 22, the device 1 can be mounted on the support rail 8 and also the electrical load 10 can be connected while the device 1 is still de-energized. In addition, individual devices 1 can be individually detached or added from the composite shown in FIG. 2 in this way. This is the assembly and also simplifies maintenance.
  • step-like arranged surfaces on the back of each opening slots 58 are provided through which a manually operable from the outside actuating means of the contact carrier 20, 22 can pass, or via a tool can be inserted from the outside, by means of the contact carrier 20, 22 is movable.
  • the adjustment means 46, 52 may be, for example, a rotatable tap changer and / or a potentiometer, wherein, in particular when using a potentiometer, at least one intermediate or end position can be latched for a basic setting of the triggering characteristic.
  • an opening 60 is provided in addition to the fault signal output 56, solved by means of which the connected fault signaling line and / or can be fixed; in the same way, the other inclined surfaces are equipped, which have the terminals 32, 34.
  • the associated fault message outputs 56 are arranged in a row in a straight line one behind the other.
  • collective interference leads, for example by inserting a contact comb into a plurality of fault signal outputs.
  • at least one fault message output can be forwarded individually to a higher-level control device.
  • 3 shows by way of example the adjustability of the tripping characteristic by means of the adjustment means 46, 52, the dependence of the disconnection time U of the device 1 on the rated current value IN relative to the current I in the load line 38 being illustrated in a double logarithmic representation.
  • the tripping characteristic can be represented by a characteristic curve.
  • the rated current value of the device 1, for example 2 A or 5 A, is selected according to the load 10 to be connected.
  • a device 1 according to the invention can only have a single adjusting means, with which only this rated current value of the device 1 can be set, upon reaching which the device 1 switches off the consumer 10 as quickly as possible.
  • the characteristic of the dependence of the turn-off time U from the current value I in the load line 38 is then invariable.
  • the device 1 tolerates a higher current I for a longer time and switches off, for example, at a load current which is twice as high as the rated current, only after about 30 seconds.
  • the left-hand continuous characteristic can be set according to a load current, the twice as high as the rated current of the device 1, is switched off after less than 100 ms.
  • Embodiments are also possible in which the shape of the characteristic curve can be selectively adjusted, for example, it can be made steeper or flatter overall or in sections.
  • the E instell means 46, 52 offer the ability to emulate almost any tripping characteristics, in particular the tripping characteristic also very specific to the respective connected load 10 individually.
  • a factory set tripping characteristic is specified, which can be overwritten or changed by the adjustment elements 46, 52.
  • FIGS. 4a and 4b show two possible signal curves for the
  • Load current i (t) shown. In both cases the nominal load current is IN lo. In the first case of FIG. 4a, a relatively slow but steady increase in the load current at time t.sub.i results in a shutdown, because the area under the integral (i (t) -loc) becomes larger than a limit value G. In the second embodiment of FIG. 4b, although the load current i (t) briefly reaches a peak value I2 which is greater than the current h, it is not switched off because the integral (i (t) -loc) dt is smaller than the peak given limit value G remains. Depending on which arithmetic operation is applied to the current profile i (t), for example also the formation of the integral (i 2 (t) -loc) dt, different consumers 10 can be optimally protected.

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  • Emergency Protection Circuit Devices (AREA)
  • Keying Circuit Devices (AREA)

Abstract

La présente invention concerne un dispositif (1) de mise hors circuit ou mise en circuit automatique d'un récepteur électrique (10), le dispositif (1) présentant un composant électronique d'actionnement (36) monté en série avec une ligne de charge (38) du récepteur électrique (10), et une unité de commande (40) qui, à l'aide d'une caractéristique de déclenchement qui peut être prédéterminée, évalue un courant i(t) qui traverse la ligne de charge (38), et commande le composant électronique d'actionnement (36), en particulier met le récepteur électrique (10) hors circuit. L'invention se caractérise en ce que le dispositif (1) présente au moins un élément de réglage (46, 52) accessible mécaniquement depuis l'extérieur du dispositif (1) qui peut être actionné soit directement à la main, soit indirectement au moyen d'un outil, et qui permet de régler la caractéristique de déclenchement dans des limites qui peuvent être prédéterminées.
PCT/EP2007/004352 2006-05-24 2007-05-16 Dispositif de mise hors circuit ou mise en circuit automatique d'un récepteur électrique WO2007134767A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DK07725268.2T DK2020074T3 (da) 2006-05-24 2007-05-16 Indretning til automatisk frakobling eller tilkobling af en elektrisk forbruger
EP07725268A EP2020074B1 (fr) 2006-05-24 2007-05-16 Dispositif de mise hors circuit ou mise en circuit automatique d'un récepteur électrique
ES07725268T ES2386648T3 (es) 2006-05-24 2007-05-16 Dispositivo para la desconexión y conexión automática de un dispositivo consumidor eléctrico
PL07725268T PL2020074T3 (pl) 2006-05-24 2007-05-16 Urządzenie do samoczynnego odłączania albo załączania odbiornika elektrycznego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006025607A DE102006025607A1 (de) 2006-05-24 2006-05-24 Vorrichtung zum selbsttätigen Abschalten oder Schalten eines elektrischen Verbrauchers
DE102006025607.7 2006-05-24

Publications (2)

Publication Number Publication Date
WO2007134767A2 true WO2007134767A2 (fr) 2007-11-29
WO2007134767A3 WO2007134767A3 (fr) 2008-03-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/004352 WO2007134767A2 (fr) 2006-05-24 2007-05-16 Dispositif de mise hors circuit ou mise en circuit automatique d'un récepteur électrique

Country Status (6)

Country Link
EP (1) EP2020074B1 (fr)
DE (1) DE102006025607A1 (fr)
DK (1) DK2020074T3 (fr)
ES (1) ES2386648T3 (fr)
PL (1) PL2020074T3 (fr)
WO (1) WO2007134767A2 (fr)

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US10804045B2 (en) 2014-11-26 2020-10-13 Siemens Aktiengesellschaft Configurable circuit-breaker
CN112447457A (zh) * 2019-09-05 2021-03-05 富士电机机器制御株式会社 电子式过载继电器和电磁开关器

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DE102016124638A1 (de) * 2016-12-16 2018-06-21 Eaton Industries (Austria) Gmbh Überstrom- und Kurzschlussdetektor
DE102019006330A1 (de) * 2019-09-09 2021-03-11 OMS Prüfservice GmbH Elektrische Reihenklemme

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DK2020074T3 (da) 2012-07-30
DE102006025607A1 (de) 2007-11-29
EP2020074A2 (fr) 2009-02-04
WO2007134767A3 (fr) 2008-03-13
ES2386648T3 (es) 2012-08-24
EP2020074B1 (fr) 2012-07-04
PL2020074T3 (pl) 2012-11-30

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