EP2048685B1 - Protective switch assembly and protective switch device - Google Patents
Protective switch assembly and protective switch device Download PDFInfo
- Publication number
- EP2048685B1 EP2048685B1 EP20080164855 EP08164855A EP2048685B1 EP 2048685 B1 EP2048685 B1 EP 2048685B1 EP 20080164855 EP20080164855 EP 20080164855 EP 08164855 A EP08164855 A EP 08164855A EP 2048685 B1 EP2048685 B1 EP 2048685B1
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- EP
- European Patent Office
- Prior art keywords
- protective switching
- switching device
- protective
- tripping
- circuit
- 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.)
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- 230000001681 protective effect Effects 0.000 title claims description 160
- 238000005191 phase separation Methods 0.000 claims description 23
- 239000004020 conductor Substances 0.000 claims description 16
- 230000007935 neutral effect Effects 0.000 description 22
- 230000007246 mechanism Effects 0.000 description 11
- 230000006870 function Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000009993 protective function Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
- H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
- H01H83/226—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages with differential transformer
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- 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
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
- H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
Definitions
- the present invention relates to a protective switching device having a switching device for switching at least one electrical contact, with a short-circuit tripping device for triggering the switching device in a short circuit and with a residual current device for triggering the switching device in a fault current and / or differential current case, wherein the switching device, the short-circuit tripping device and the Residual current release device are arranged one behind the other in a longitudinal alignment. Furthermore, the invention relates to a protective switching device, in particular a protective switching device in narrow construction.
- protective switching devices are provided in protective switching devices.
- protective switching devices are implemented, for example, as circuit breakers, residual current circuit breakers or residual current circuit breakers.
- the circuit breakers often incorporate a short-circuit release and an overload release.
- the circuit breakers are either single LS, FI or as device combinations (juxtaposed devices) FI / LS, LS / DI or LS + FI block known.
- protective switching devices are often designed as DIN rail mounted devices.
- the individual components are usually available as modules.
- circuit breakers and residual current circuit breakers are each offered in fixed module widths.
- the width of such modular electromechanical switchgear is specified in division units according to a relevant standard.
- a division unit corresponds to the dimension of 18 mm.
- a protective device for a protective switching device or a protective switching device is known, in the / a short-circuit tripping device, a switching device and a residual current tripping device are arranged one behind the other in the longitudinal direction of the protective switching device. Longitudinal alignment means that the short-circuit tripping device, the switching device and the residual current tripping device extend from one end face to the other end side of the housing of the protective switching device.
- the protective switching device disclosed there is a division unit wide. Furthermore, from the DE 102004034859 A1 It is known that an overload tripping device is provided within the protective switching device.
- the DE 102004034859 A1 describes an arrangement on how to implement a protective switching device with short-circuit, overload and residual current protection.
- the centers of the short-circuit tripping device and the residual current tripping device and the switching mechanism are arranged in a plane or slightly offset from it.
- the width of the protective switching device does not exceed a dividing unit.
- the bimetallic strip, which represents the overload function of the overload trip device is arranged eccentrically.
- Known protective switching devices or protective switching devices which in addition to the short-circuit tripping device, the switching device and the residual current device also have a test circuit, are dimensioned so large that they do not fit into a housing with a maximum width of 18mm. Furthermore, in such protective switching devices or protective switching devices, the test function is always in the fault current tripping device, i. in the FI or DI area, integrated. In particular, the test current spring for the double interruption of the test circuit always contacts the moving parts of the switching mechanism of the residual current device side, i. the FI or DI side.
- the protective switching device in which the protective switching device is integrated may not be more than 18mm wide, a scholarstrom Vietnamese Nurs not be integrated within the residual current device, ie FI or DI range.
- the object of the invention is to provide a protective switching device or a protective switching device having a switching device, a short-circuit tripping device, a residual current device and a scholarstrom Vietnamese Surprise and are so narrow dimensioned that the protective switching device fits into a circuit breaker with a maximum width of 18mm or that the protective switching device with such a protective switching device has a maximum width of 18mm.
- the object is achieved by a protective switching device having a switching device for switching at least one electrical contact, with a short-circuit tripping device for triggering the switching device in a short circuit and with a residual current device for triggering the switching device in a fault current and / or differential current case Switching device, the short-circuit tripping device and the residual current tripping device are arranged one behind the other in a longitudinal alignment, wherein the protective switching device is designed narrow so that it can be arranged in a housing of a protective switching device with a maximum width of 18mm, with a phase separation part (8) is provided, the protective switching device (12) into a phase side (9) and a neutral side (10), wherein the protective circuit device comprises a beaustrom Vietnamese, which is arranged next to the residual current device, wherein the strigstrom Vietnamese (6) and the KurzInstitutliere listening (3) on the phase side (9) and the fault current tripping device (5) the neutral side (10) is arranged and wherein a test button (11)
- Such a protective switching device can be dimensioned so narrow that the protective switching device can be integrated into a housing of a protective device, the housing of the protective device is a maximum of 18mm wide. That is to say, the protective switching device can be dimensioned so small that the protective switching device into which the protective switching device is installed can correspond to the width of a dividing unit. This is made possible by the special positioning of the test circuit device.
- the für Schwantz Stein is no longer in the residual current device or the residual current protective function range, ie the FI or DI range, the protective circuit integrated, but arranged separately next to the residual current device.
- the blower current triggering device can be made simpler and narrower.
- the width of the housing of the protective device can correspond to the integration of the protective circuit a standard size. This standard dimension is specifically defined by a division unit with the dimension of 18 mm.
- the protective switching device preferably has a width which is in a range of 8 mm and 18 mm, in particular a width which lies in a range of between 14 mm and 18 mm. That is, the width of the Protective switching device may advantageously be less than 18mm.
- the residual current device has the function of a residual current circuit breaker and / or a residual current circuit breaker. That the protective switching device according to the invention may have the functionalities of a circuit breaker and a residual current circuit breaker. In addition, however, the protective circuit device can also have the functionalities of a circuit breaker and a residual current circuit breaker. This means that these two functionalities can be combined in a single protective switching device and the width of this protective switching device does not have to go beyond that of a simple circuit breaker.
- the fault current trigger device is preferably an electromagnetic DI trigger).
- the arrangement of thetician Vietnamese next to the fault current tripping device allows for a simple construction of the parts of the test circuit and on the other hand, that no other components, in particular the fault current tripping device are hindered.
- the phase separation part which divides the protection switching device into a phase side and a neutral side, and the special arrangement of the test circuit on the phase side and the residual current device on the neutral side, the test circuit is particularly protected and electrically isolated from the residual current device.
- the test circuit device is arranged next to the residual current device. This means in the light of the invention that the test circuit is arranged in the immediate vicinity of the residual current device.
- the short-circuit tripping device, the switching mechanism and the residual current tripping device are arranged one behind the other. "By" means that the test circuit device faces one side of the residual current device, the not facing the switching mechanism or this is averted.
- the educastrom Vietnamese is arranged parallel to the fault current triggering device with regard to the successively arranged components of the protective circuit device, ie, parallel to the longitudinal alignment of the short-circuit release device, the switching mechanism and the residual current device.
- a protective switching device is preferred in which the test circuit device is arranged parallel to the residual current tripping device, and in which the switching device is arranged after the short-circuit tripping device and the residual current tripping device after the switching device along the longitudinal alignment.
- the protective switching device is dimensioned such that it can be integrated into a protective switching device with a length or depth of maximum 70mm and a maximum height of 90mm.
- a protective switching device with a protective function against short circuit, overload and fault current and a test circuit and with a rated current of up to 40 A is particularly preferred.
- a protective switching device is preferred in which the switching device, the short-circuit tripping device, the residual current tripping device and the fürstrom Vietnamese
- the respective components can be securely arranged.
- the attachment of the fürstrom Vietnamese on the inside of a housing surrounding the protective switching device makes room for an optimized attachment of the switching device, the short-circuit release device and the fault current triggering device on the phase separation part.
- the test circuit device of the protective circuit device preferably has a test circuit spring and / or a test resistor. Furthermore, a test current button can be provided.
- a test resistor may then be provided, for example, at a different position on the protective switching device, for example on the printed circuit board, and be connected to the test current device with lines.
- a protective switching device is preferred in which the test circuit device is arranged close to the switching device next to the fault current trigger device.
- the test circuit resistance of the test circuit device can be arranged next to the test circuit spring.
- the test circuit resistance can be formed wired. This is made possible by the separation from the neutral side, on which the residual current device is arranged. Through a breakthrough in the phase separation part of the test circuit can be performed on the neutral side of the protective switching device, where the line of the test circuit is passed through the summation current transformer.
- the arrangement of the test circuit resistance on the protected phase side creates space on the circuit board. For an optimized arrangement of the remaining electrical components, in particular the bulky transistors and varistors on the circuit board is possible.
- a protective switching device in which an overload tripping device is arranged on the switching device is preferred.
- the arrangement of the overload trip device to the protection switching device is not so critical, since the dimensions of the overload trip device are low.
- the overload release device can be arranged between the other components.
- the overload release device is provided on the phase side in the vicinity of the switching device. As a result, short and simple ways or lines can be realized by the overload trip device to the switching device.
- the overload tripping device switches off the current flowing through the protective switching device when a predetermined nominal value of the current is appreciably exceeded for a long time.
- For triggering is preferably a thermal release, in particular a bimetal, which bends when heated by the current flowing through and triggers a shutdown mechanism.
- the time to trip depends on the strength of the overcurrent. At a high overcurrent, it is shorter than at low overshoot of the rated current.
- the object is achieved by a protective switching device having a housing in which a protective switching device described above is provided within the housing, wherein the width of the housing corresponds to a maximum of a division unit of 18 mm, solved.
- a protective switching device By integrating such a protective switching device in a protective switching device, a protective switching device can be provided that in a single division unit with a width of 18mm has a switching device, a short-circuit tripping device, a residual current tripping device and a scholarstrom Vietnamese Surprise.
- Such a thing narrow circuit breaker can be easily added to existing systems. That is, in an existing system, the protective function can be increased by, for example, a conventional circuit breaker with the width of a dividing unit is replaced by such a protection device of the same width.
- a protective switching device wherein the width of the housing is less than 18mm.
- the width of the housing may have a value between 8 mm and 18 mm, in particular between 14 mm and 18 mm.
- the width of the housing corresponds to a standard dimension.
- This standard dimension is specifically defined by a division unit with the dimension of 18 mm. This leads to the advantage that individual modules can be easily replaced because they have the same width.
- the protective switching device may have the functionalities of a circuit breaker and a residual current circuit breaker including test function.
- the protective switching device can also have the functionalities of a circuit breaker and a residual current circuit breaker including a test function. This means that these three functionalities can be combined in a single device and the width of this device does not go beyond that of a simple circuit breaker.
- the short-circuit tripping device, the switching device and the residual current tripping device are preferably in the longitudinal direction of the protective switching device arranged one behind the other within the housing of the protective switching device, wherein the longitudinal alignment of the protective switching device extends from one end face to the opposite end face of the housing of the protective switching device.
- the front sides of the protective switching device housing define the width of the protective switching device. That is, the front sides are a maximum of 18mm wide. Between both end faces of the protective switching device, the short-circuit tripping device, the switching device and the residual current tripping device is arranged one behind the other.
- the residual current tripping device faces a side wall of the protective switching device, while the test circuit device faces the opposite side wall of the protective switching device parallel to the residual current tripping device.
- a protective switching device in which at least one terminal L for at least one phase conductor and a terminal N for a neutral conductor are provided on the front sides of the housing of the protective switching device and in which the protective switching device by extending between the end faces of the housing of the protective switching device phase separation in a phase side and a neutral side is divided.
- a trained protective switching device is separated into two areas.
- the test circuit device can be arranged on the protected phase side and the residual current release device on the neutral side.
- the short-circuit release device is arranged on the phase side.
- both the test circuit device and the short-circuit tripping device are arranged in an electrically isolated manner from the residual current tripping device within the housing of the protective switching device.
- the overload trip device is advantageously arranged on the phase side within the housing of the protective switching device.
- the overload release device can be arranged electrically isolated.
- the test circuit device ie the test current spring and the test current resistance, arranged directly on the phase separation part. Through a breakthrough in the phase separation part of the test circuit can be performed on the neutral side of the protection device.
- a protective switching device is preferred in which at least one opening for carrying out at least one phase conductor and an opening for carrying out a neutral conductor are provided on the front sides of the housing of the protective switching device and that the protective switching device by the extending between the end faces of the housing of the protective switching device phase separation part in a phase side (9) and a neutral side is divided.
- electrical cables can hang out of the openings to supply the protective switching device electrically.
- hanging lines are also referred to as pig-tails.
- the overload trip device can be easily arranged between the various components within the housing of the protection device, since it has significantly smaller dimensions than the other components.
- the overload release device can be provided in addition to the switching mechanism.
- a protective switching device which has the functionalities of a circuit breaker and residual current circuit breaker or a circuit breaker and a residual current circuit breaker.
- the present invention can be used for protective switching devices, which are designed as a modular device.
- the advantages mentioned above are even more effective.
- Fig. 1 shows a section from above through a protective switching device 12.
- the protective switching device 12 has a switching device 2 for switching at least one electrical contact, a short-circuit tripping device 3 for triggering the switching device 2 in a short circuit and a residual current tripping device 5 for triggering the switching device 2 in a fault current situation and / or Differential case on.
- the short-circuit tripping device 3, the switching device 2 and the residual current tripping device 5 are arranged one behind the other along a longitudinal alignment of the protective switching device 12. Longitudinal alignment here means the extension of the protective switching device 12 along the x-axis of the in the Fig. 1 represented coordinate system.
- the switching device 2 is advantageously located between the short-circuit tripping device 3 and the residual current tripping device 5 in order to make the paths to the short-circuit tripping device 3 and the residual current tripping device 5 short.
- the protective switching device 12 has a test circuit 6 arranged next to the residual current tripping device 5. "In addition to the fault current tripping device 5 means that the excstrom Vietnamese 6 extends in the y direction of the residual current tripping device 5 from. In this case, the digitizstrom Vietnamese 6 is electrically isolated by a phase separation part 8 of the fault current tripping device 5. The phase separation part 8 runs in x-orientation through the protective switching device 12 and divides these into two areas.
- the test current from the test circuit 6 can be performed on the side of the fault current tripping device 5.
- the test circuit device 6 has a test circuit spring 6b and a test circuit resistor 6a. Furthermore, the test circuit device 6 has a test button 11. Furthermore, an overload tripping device 4 is provided on the side of the test circuit device 6.
- the overload release device can be located somewhere between the other components, ie, for example, the short-circuit tripping device 3, the test circuit device 6 or the switching device 2. It is preferably provided in the immediate vicinity of the switching device 2 on the side of the short-circuit tripping device 3. As a result, short and simple paths or lines from the overload release device 4 to the switching device 2 can be realized.
- the overload tripping device 4 switches off the current flowing through the protective switching device 12 when a predetermined nominal value of the current is appreciably exceeded for a long time.
- a thermal release in particular a bimetallic strip, which bends when heated by the current flowing through and triggers a shut-off mechanism in the switching device 2.
- Such a designed protection switching device can be made very narrow.
- the test circuit device 6 By separating the test circuit 6 from the fault current tripping device 5, it is possible for the first time to make the residual current tripping device 5 so narrow that within the housing 7 the protective switching device 12, which has a maximum width of 18 mm, the test current circuit device 6 can be arranged in addition to the residual current tripping device 5. At the same time, the test circuit device 6 can be electrically isolated from the residual current tripping device 5 by the phase separation part running between the test circuit device 6 and the residual current tripping device 5.
- such a trained protective circuit device 12 is shown schematically in a housing 7 of a protective switching device 1.
- the short-circuit tripping device 3, switching device 2 and the residual current tripping device 5 run one behind the other.
- the test circuit device 6 is arranged. This is made possible by the particularly narrow fault current tripping device 5.
- each terminal L and N are provided for the connection of phase or neutral conductors.
- the terminal marked L represents the terminal for a phase conductor and the terminal marked N represents the terminal for a neutral.
- the phase separation part 8 is provided, which from the first end face 7a to the second end face 7b of the housing passes through the interior of the housing 7.
- the phase separation part 8 divides the interior of the protective switching device 1 into a phase side 9 and a neutral side 10.
- the fault current tripping device 5 is on the neutral side 10
- the short-circuit tripping device 3, the overload tripping device 4 and the test circuit 6 are arranged on the protected phase side 9.
- the switching device 2 is located on both sides of the phase separation part 8.
- the arrangement of the test circuit 6 next to the fault current tripping device 5 and obliquely next to the switching device 2, the lines of the test circuit 6 to the fault current tripping device 5 and also to the short-circuit tripping device 3 can be kept short and uncomplicated , By separating the components in different areas, ie phase side 9 and neutral side 10, the electrical insulation of the components of the respective phase is easily possible.
- the recordings of the test current device in the phase side 9 is on the neutral side 10 space for the arrangement of the residual current device 5 and the printed circuit board, not shown, created within the housing 7.
- the particular advantage of the protective switching device 1 is that the protective switching device 1 in the full functionality, ie functions for short-circuit protection, the residual current and residual current protection and for the overload protection, additionally in such a narrow housing 7 space for a scholarstrom Vietnamese Surprise 6. This has not been possible so far.
- the protective switching device 1 has a maximum width of one division unit, which in the Fig. 2 denoted by TE on. One division unit corresponds to a width of 18mm.
- a longitudinal section through a protective switching device 1 is shown.
- the components of the protective switching device 12 can be seen, which are arranged on the phase side of the protective switching device 12.
- the phase separation part 8 is provided and behind the fault current tripping device 5.
- the overload trip device 4 is located between the test circuit 6 and the short-circuit tripping device 3 slightly below the switching mechanism. 2
- Fig. 4 shows a schematic representation of a longitudinal cut protective device 1.
- the neutral side 10 can be considered.
- the test circuit 6 is arranged, which is indicated by the dashed lines.
- the sketchstrom Vietnamese Republic Rhein 6 on the phase side 9 is connected by means of an electrical line, which is guided through an opening in the phase part 8, with the neutral side 10.
- the test circuit 6 is connected to the switching device 2.
- the short-circuit tripping device 3 and the residual current tripping device 5 are also connected to the switching device 2 in order to trigger the switching device 2 if necessary. Ie the release levers the short-circuit tripping device 3 and the fault current tripping device 5 are indicated as dashed lines.
- a protective switching device 1 in narrow construction, i. with a maximum width of 18 mm, the protective switching device 1 having a short-circuit tripping device 3, a switching mechanism 2, a fault current tripping device 5, possibly an overload tripping device 4 and a test circuit device 6.
- the depth of the protective switching device 1 is preferably limited to 70 mm and the overall height to 90 mm.
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Description
Die vorliegende Erfindung betrifft eine Schutzschalteinrichtung mit einer Schalteinrichtung zum Schalten wenigstens eines elektrischen Kontaktes, mit einer Kurzschlussauslöseeinrichtung zum Auslösen der Schalteinrichtung in einem Kurzschlussfall und mit einer Fehlerstromauslöseeinrichtung zum Auslösen der Schalteinrichtung in einem Fehlerstromfall und/oder Differenzstromfall, wobei die Schalteinrichtung, die Kurzschlussauslöseeinrichtung und die Fehlerstromauslöseeinrichtung hintereinander in einer Längsausrichtung angeordnet sind. Ferner betrifft die Erfindung ein Schutzschaltgerät, insbesondere ein Schutzschaltgerät in Schmalbauweise.The present invention relates to a protective switching device having a switching device for switching at least one electrical contact, with a short-circuit tripping device for triggering the switching device in a short circuit and with a residual current device for triggering the switching device in a fault current and / or differential current case, wherein the switching device, the short-circuit tripping device and the Residual current release device are arranged one behind the other in a longitudinal alignment. Furthermore, the invention relates to a protective switching device, in particular a protective switching device in narrow construction.
Üblicherweise werden Schutzschalteinrichtungen in Schutzschaltgeräte vorgesehen. Schutzschaltgeräte werden in der Installationstechnik beispielsweise als Leitungsschutzschalter, Fehlerstromschutzschalter oder Differenzstromschutzschalter realisiert. In den Leitungsschutzschaltern ist dabei häufig ein Kurzschlussauslöser und ein Überlastauslöser integriert. Die Schutzschaltgeräte sind entweder einzeln LS, FI oder als Gerätekombinationen (aneinander gereihte Geräte) FI/LS, LS/DI oder LS+FI-Block bekannt.Usually, protective switching devices are provided in protective switching devices. In the field of installation technology, protective switching devices are implemented, for example, as circuit breakers, residual current circuit breakers or residual current circuit breakers. The circuit breakers often incorporate a short-circuit release and an overload release. The circuit breakers are either single LS, FI or as device combinations (juxtaposed devices) FI / LS, LS / DI or LS + FI block known.
Schutzschaltgeräte werden ferner häufig als Reiheneinbaugeräte ausgeführt. Dabei stehen die einzelnen Komponenten in der Regel als Module zur Verfügung. So werden beispielsweise Leitungsschutzschalter und Fehlerstromschutzschalter jeweils in festen Modulbreiten angeboten. Die Breite derartiger modularer elektromechanischer Schaltgeräte wird in Teilungseinheiten entsprechend einer einschlägigen Norm angegeben. Beispielsweise entspricht eine Teilungseinheit (TE) dem Maß von 18 mm.Furthermore, protective switching devices are often designed as DIN rail mounted devices. The individual components are usually available as modules. For example, circuit breakers and residual current circuit breakers are each offered in fixed module widths. The width of such modular electromechanical switchgear is specified in division units according to a relevant standard. For example, a division unit (TE) corresponds to the dimension of 18 mm.
Aus der
Bekannte Schutzschalteinrichtungen bzw. Schutzschaltgeräte, die neben der Kurzschlussauslöseeinrichtung, der Schalteinrichtung und der Fehlerstromauslöseeinrichtung auch eine Prüfstromkreiseinrichtung aufweisen, sind derart groß dimensioniert, dass sie nicht in ein Gehäuse mit einer Breite von maximal 18mm passen. Ferner ist bei derartigen Schutzschalteinrichtungen bzw. Schutzschaltgeräten die Prüffunktion immer in der Fehlerstromauslöseeinrichtung, d.h. im FI- bzw. DI-Bereich, integriert. Insbesondere kontaktiert die Prüfstromfeder für die Doppelunterbrechung des Prüfstromkreises immer die beweglichen Teile der Schaltmechanik der Fehlerstromauslöseeinrichtungs-Seite, d.h. der FI- bzw. DI-Seite.Known protective switching devices or protective switching devices, which in addition to the short-circuit tripping device, the switching device and the residual current device also have a test circuit, are dimensioned so large that they do not fit into a housing with a maximum width of 18mm. Furthermore, in such protective switching devices or protective switching devices, the test function is always in the fault current tripping device, i. in the FI or DI area, integrated. In particular, the test current spring for the double interruption of the test circuit always contacts the moving parts of the switching mechanism of the residual current device side, i. the FI or DI side.
Bei einer Schutzschalteinrichtung bzw. einem Schutzschaltgerät in Schmalbauweise, d.h. das Schutzschaltgerät, in der die Schutzschalteinrichtung integriert ist, darf höchstens 18mm breit sein, kann eine Prüfstromkreiseinrichtung nicht innerhalb der Fehlerstromauslöseeinrichtung, d.h. FI- bzw. DI-Bereich, integriert werden.In a protective switching device or a protective switching device in narrow design, ie the protective switching device in which the protective switching device is integrated may not be more than 18mm wide, a Prüfstromkreiseinrichtung not be integrated within the residual current device, ie FI or DI range.
Daher besteht die Aufgabe der Erfindung darin, eine Schutzschalteinrichtung bzw. ein Schutzschaltgerät zu schaffen, die eine Schalteinrichtung, eine Kurzschlussauslöseeinrichtung, eine Fehlerstromauslöseeinrichtung sowie eine Prüfstromkreiseinrichtung aufweisen und die derart schmal dimensioniert sind, dass die Schutzschalteinrichtung in ein Schutzschaltgerät mit einer Breite von maximal 18mm passt bzw. dass das Schutzschaltgerät mit einer derartigen Schutzschalteinrichtung maximal eine Breite von 18mm aufweist.Therefore, the object of the invention is to provide a protective switching device or a protective switching device having a switching device, a short-circuit tripping device, a residual current device and a Prüfstromkreiseinrichtung and are so narrow dimensioned that the protective switching device fits into a circuit breaker with a maximum width of 18mm or that the protective switching device with such a protective switching device has a maximum width of 18mm.
Diese Aufgabe wird erfindungsgemäß durch eine Schutzschalteinrichtung mit den Merkmalen gemäß dem unabhängigen Patentanspruch 1 sowie durch ein Schutzschaltgerät mit den Merkmalen gemäß dem unabhängigen Patentanspruch 8 gelöst. Weitere Merkmale und Details der Erfindung ergeben sich aus den Unteransprüchen, der Beschreibung sowie den Zeichnungen. Merkmale und Details die im Zusammenhang mit der Schutzschalteinrichtung beschrieben sind gelten dabei selbstverständlich auch im Zusammenhang mit dem Schutzschaltgerät und jeweils umgekehrt.This object is achieved by a protective switching device with the features according to
Gemäß des ersten Aspektes der Erfindung wird die Aufgabe durch eine Schutzschalteinrichtung mit einer Schalteinrichtung zum Schalten wenigstens eines elektrischen Kontaktes, mit einer Kurzschlussauslöseeinrichtung zum Auslösen der Schalteinrichtung in einem Kurzschlussfall und mit einer Fehlerstromauslöseeinrichtung zum Auslösen der Schalteinrichtung in einem Fehlerstromfall und/oder Differenzstromfall, wobei die Schalteinrichtung, die Kurzschlussauslöseeinrichtung und die Fehlerstromauslöseeinrichtung hintereinander in einer Längsausrichtung angeordnet sind, wobei die Schutzschalteinrichtung derart schmal ausgebildet ist, dass sie in ein Gehäuse eines Schutzschaltgerätes mit einer Breite von maximal 18mm anordenbar ist, wobei ein Phasentrennteil (8) vorgesehen ist, die die Schutzschalteinrichtung (12) in eine Phasenseite (9) und eine Nullleiterseite (10) unterteilt, wobei die Schutzschalteinrichtung eine Prüfstromkreiseinrichtung aufweist, die neben der Fehlerstromauslöseeinrichtung angeordnet ist, wobei die Prüfstromkreiseinrichtung (6) und die Kurzschlussauslöseeinrichtung (3) auf der Phasenseite (9) und die Fehlerstromauslöseeinrichtung (5) auf der Nullleiterseite (10) angeordnet ist und wobei eine Prüftaste (11) vorgesehen ist, die über der Prüfstromkreiseinrichtung (6) angeordnet ist, gelöst.According to the first aspect of the invention, the object is achieved by a protective switching device having a switching device for switching at least one electrical contact, with a short-circuit tripping device for triggering the switching device in a short circuit and with a residual current device for triggering the switching device in a fault current and / or differential current case Switching device, the short-circuit tripping device and the residual current tripping device are arranged one behind the other in a longitudinal alignment, wherein the protective switching device is designed narrow so that it can be arranged in a housing of a protective switching device with a maximum width of 18mm, with a phase separation part (8) is provided, the protective switching device (12) into a phase side (9) and a neutral side (10), wherein the protective circuit device comprises a Prüfstromkreiseinrichtung, which is arranged next to the residual current device, wherein the Prüfstromkreiseinrichtung (6) and the Kurzschlussauslöseeinrichtung (3) on the phase side (9) and the fault current tripping device (5) the neutral side (10) is arranged and wherein a test button (11) is provided, which is arranged above the Prüfstromkreiseinrichtung (6), dissolved.
Eine derartige Schutzschalteinrichtung kann derart schmal dimensioniert werden, dass die Schutzschalteinrichtung in ein Gehäuse eines Schutzschaltgerätes integriert werden kann, wobei das Gehäuse des Schutzschaltgerätes maximal 18mm breit ist. D.h., die Schutzschalteinrichtung kann derart klein dimensioniert werden, dass das Schutzschaltgerät, in das die Schutzschalteinrichtung eingebaut wird, die Breite einer Teilungseinheit entsprechen kann. Dies wird durch die spezielle Positionierung der Prüfstromkreiseinrichtung ermöglicht. Die Prüfstromkreiseinrichtung ist nicht mehr in der Fehlerstromauslöseeinrichtung bzw. dem Fehlerstromschutzfunktionsbereich, d.h. dem FI- bzw. DI-Bereich, der Schutzschalteinrichtung integriert, sondern getrennt neben der Fehlerstromauslöseeinrichtung angeordnet. Hierdurch kann zum einen die Gehlerstromauslöseeinrichtung einfacher und schmaler gestaltet werden. D.h., aufgrund der Nichtintegration der Prüfstromkreiseinrichtung in der Fehlerstromauslöseeinrichtung kann diese derart klein dimensioniert werden, dass soviel Platz neben der Fehlerstromauslöseeinrichtung bleibt, dass die Prüfstromkreiseinrichtung und die Fehlerstromauslöseeinrichtung zusammen schmaler als 18mm bleiben. Die Breite des Gehäuses des Schutzschaltgerätes kann nach der Integration der Schutzschalteinrichtung einem Normmaß entsprechen. Dieses Normmaß ist speziell durch eine Teilungseinheit mit dem Maß von 18 mm definiert. Die Schutzschalteinrichtung weist bevorzugt eine Breite, die in einem Bereich von 8mm und 18mm liegt, insbesondere eine Breite, die in einem Bereich von zwischen 14mm und 18mm liegt, auf. D.h., die Breite der Schutzschalteinrichtung kann vorteilhafterweise auch kleiner als 18mm sein.Such a protective switching device can be dimensioned so narrow that the protective switching device can be integrated into a housing of a protective device, the housing of the protective device is a maximum of 18mm wide. That is to say, the protective switching device can be dimensioned so small that the protective switching device into which the protective switching device is installed can correspond to the width of a dividing unit. This is made possible by the special positioning of the test circuit device. The Prüfstromkreiseinrichtung is no longer in the residual current device or the residual current protective function range, ie the FI or DI range, the protective circuit integrated, but arranged separately next to the residual current device. As a result, on the one hand, the blower current triggering device can be made simpler and narrower. That is, due to the non-integration of the Prüfstromkreiseinrichtung in the residual current device, this can be so small dimensioned that so much space next to the residual current device remains that the test circuit and the residual current device together remain narrower than 18mm. The width of the housing of the protective device can correspond to the integration of the protective circuit a standard size. This standard dimension is specifically defined by a division unit with the dimension of 18 mm. The protective switching device preferably has a width which is in a range of 8 mm and 18 mm, in particular a width which lies in a range of between 14 mm and 18 mm. That is, the width of the Protective switching device may advantageously be less than 18mm.
Die Fehlerstromauslöseeinrichtung besitzt die Funktion eines Fehlerstromschutzschalters und/oder eines Differenzstromschutzschalters. D.h. die erfindungsgemäße Schutzschalteinrichtung kann die Funktionalitäten eines Leitungsschutzschalters und eines Fehlerstromschutzschalters besitzen. Darüber hinaus kann die Schutzschalteinrichtung aber auch die Funktionalitäten eines Leitungsschutzschalters und eines Differenzstromschutzschalters besitzen. Dies bedeutet, dass diese beiden Funktionalitäten in einer einzigen Schutzschalteinrichtung vereint werden können und die Breite dieser Schutzschalteinrichtung nicht über die eines einfachen Leitungsschutzschalters hinausgehen muss. Bevorzugt ist die Fehlerstromauslöseeinrichtung ein elektromagnetischer DI-Auslöser).The residual current device has the function of a residual current circuit breaker and / or a residual current circuit breaker. That the protective switching device according to the invention may have the functionalities of a circuit breaker and a residual current circuit breaker. In addition, however, the protective circuit device can also have the functionalities of a circuit breaker and a residual current circuit breaker. This means that these two functionalities can be combined in a single protective switching device and the width of this protective switching device does not have to go beyond that of a simple circuit breaker. The fault current trigger device is preferably an electromagnetic DI trigger).
Die Anordnung der Prüfstromkreiseinrichtung neben der Fehlerstromauslöseeinrichtung ermöglicht zum einen einen einfachen Aufbau der Teile der Prüfstromkreiseinrichtung und zum anderen, dass keine anderen Bauteile, insbesondere der Fehlerstromauslöseeinrichtung behindert werden. Durch das Phasentrennteil, welches die Schutzschalteinrichtung in eine Phasenseite und eine Nullleiterseite unterteilt, sowie die spezielle Anordnung der Prüfstromkreiseinrichtung auf der Phasenseite und der Fehlerstromauslöseeinrichtung auf der Nullleiterseite, ist die Prüfstromkreiseinrichtung besonders geschützt und elektrisch von der Fehlerstromauslöseeinrichtung isoliert.The arrangement of the Prüfstromkreiseinrichtung next to the fault current tripping device allows for a simple construction of the parts of the test circuit and on the other hand, that no other components, in particular the fault current tripping device are hindered. By the phase separation part, which divides the protection switching device into a phase side and a neutral side, and the special arrangement of the test circuit on the phase side and the residual current device on the neutral side, the test circuit is particularly protected and electrically isolated from the residual current device.
Die Prüfstromkreiseinrichtung ist neben der Fehlerstromauslöseeinrichtung angeordnet. Dies bedeutet im Lichte der Erfindung, dass die Prüfstromkreiseinrichtung in unmittelbarer Umgebung zur Fehlerstromauslöseeinrichtung angeordnet ist. Die Kurzschlussauslöseeinrichtung, die Schaltmechanik und die Fehlerstromauslöseeinrichtung sind hintereinander angeordnet. "Neben" bedeutet, dass die Prüfstromkreiseinrichtung einer Seite der Fehlerstromauslöseeinrichtung zugewandt ist, die nicht der Schaltmechanik zugewandt bzw. dieser abgewandt ist. Die Prüfstromkreiseinrichtung ist parallel zu der Fehlerstromauslöseeinrichtung angeordnet in Hinblick auf die hintereinander angeordneten Bauteile der Schutzschalteinrichtung, d.h. parallel zu der Längsausrichtung der Kurzschlussauslöseeinrichtung, der Schaltmechanik und der Fehlerstromauslöseeinrichtung. Bevorzugt ist eine Schutzschalteinrichtung, bei der die Prüfstromkreiseinrichtung parallel zu der Fehlerstromauslöseeinrichtung angeordnet ist, und bei der entlang der Längsausrichtung die Schalteinrichtung nach der Kurzschlussauslöseeinrichtung und die Fehlerstromauslöseeinrichtung nach der Schalteinrichtung angeordnet ist. Hierdurch kann die Prüfstromkreiseinrichtung in der Nähe der Schaltmechanik angeordnet werden, um die Doppelunterbrechung zu ermöglichen. Die Anordnung der Prüftaste über der Prüfstromkreiseinrichtung ist durch die Anordnung der Prüfstromkreiseinrichtung neben der Fehlerstromauslöseeinrichtung besonders leicht realisierbar.The test circuit device is arranged next to the residual current device. This means in the light of the invention that the test circuit is arranged in the immediate vicinity of the residual current device. The short-circuit tripping device, the switching mechanism and the residual current tripping device are arranged one behind the other. "By" means that the test circuit device faces one side of the residual current device, the not facing the switching mechanism or this is averted. The Prüfstromkreiseinrichtung is arranged parallel to the fault current triggering device with regard to the successively arranged components of the protective circuit device, ie, parallel to the longitudinal alignment of the short-circuit release device, the switching mechanism and the residual current device. A protective switching device is preferred in which the test circuit device is arranged parallel to the residual current tripping device, and in which the switching device is arranged after the short-circuit tripping device and the residual current tripping device after the switching device along the longitudinal alignment. As a result, the Prüfstromkreiseinrichtung can be arranged in the vicinity of the switching mechanism to allow the double interruption. The arrangement of the test button on the Prüfstromkreiseinrichtung is particularly easy to implement by the arrangement of the Prüfstromkreiseinrichtung in addition to the residual current device.
Bevorzugt ist ferner, wenn die Schutzschalteinrichtung derart dimensioniert ist, dass diese in ein Schutzschaltgerät mit einer Baulänge bzw. Bautiefe von maximal 70mm und einer Bauhöhe von maximal 90mm integriert werden kann.It is further preferred if the protective switching device is dimensioned such that it can be integrated into a protective switching device with a length or depth of maximum 70mm and a maximum height of 90mm.
Insbesondere eine Schutzschalteinrichtung mit einer Schutzfunktionen gegen Kurzschluss, Überlast und Fehlerstrom sowie einer Prüfstromkreiseinrichtung und mit einem Nennstrom von bis zu 40 A ist besonders bevorzugt.In particular, a protective switching device with a protective function against short circuit, overload and fault current and a test circuit and with a rated current of up to 40 A is particularly preferred.
Ferner ist eine Schutzschalteinrichtung bevorzugt, bei der die Schalteinrichtung, die Kurzschlussauslöseeinrichtung, die Fehlerstromauslöseeinrichtung und die Prüfstromkreiseinrichtung an einem Phasentrennteil und/oder an einer Innenseite eines Gehäuses befestigt sind. Hierdurch können die jeweiligen Bauteile sicher angeordnet werden. Die Befestigung der Prüfstromkreiseinrichtung an der Innenseite eines die Schutzschalteinrichtung umgebenden Gehäuses schafft Platz für eine optimierte Befestigung der Schalteinrichtung, der Kurzschlussauslöseeinrichtung und der Fehlerstromauslöseeinrichtung an dem Phasentrennteil.Furthermore, a protective switching device is preferred in which the switching device, the short-circuit tripping device, the residual current tripping device and the Prüfstromkreiseinrichtung are attached to a phase separation part and / or on an inner side of a housing. As a result, the respective components can be securely arranged. The attachment of the Prüfstromkreiseinrichtung on the inside of a housing surrounding the protective switching device makes room for an optimized attachment of the switching device, the short-circuit release device and the fault current triggering device on the phase separation part.
Die Prüfstromkreiseinrichtung der Schutzschalteinrichtung weist bevorzugt eine Prüfstromkreisfeder und/oder einen Prüfwiderstand auf. Ferner kann eine Prüfstromtaste vorgesehen sein. So kann die Prüfstromkreiseinrichtung, die neben der Fehlerstromauslöseeinrichtung angeordnet ist lediglich eine Prüfstromkreisfeder aufweisen. Ein Prüfwiderstand kann dann beispielsweise an einer anderen Position an der Schutzschalteinrichtung, beispielsweise an der Leiterplatte, vorgesehen sein und mit Leitungen mit der Prüfstromeinrichtung verbunden sein.The test circuit device of the protective circuit device preferably has a test circuit spring and / or a test resistor. Furthermore, a test current button can be provided. Thus, the Prüfstromkreiseinrichtung, which is arranged in addition to the residual current device only a Prüfstromkreisfeder have. A test resistor may then be provided, for example, at a different position on the protective switching device, for example on the printed circuit board, and be connected to the test current device with lines.
Des Weiteren ist eine Schutzschalteinrichtung bevorzugt, bei der die Prüfstromkreiseinrichtung nahe der Schalteinrichtung neben der Fehlerstromauslöseeinrichtung angeordnet ist. Hierdurch können kurze Wege zur Abschaltung der Fehlerstromauslöseeinrichtung und der Kurzschlussauslöseeinrichtung realisiert werden. D.h., die Leitungen zwischen der Fehlerstromauslöseeinrichtung und anderen Bauteilen der Schutzschalteinrichtung können kurz sein und unkompliziert verlegt werden.Furthermore, a protective switching device is preferred in which the test circuit device is arranged close to the switching device next to the fault current trigger device. As a result, short ways to switch off the residual current device and the short-circuit tripping device can be realized. That is, the lines between the residual current device and other components of the protective circuit device can be short and easy to install.
Der Prüfstromkreiswiderstand der Prüfstromkreiseinrichtung kann neben der Prüfstromkreisfeder angeordnet sein. Der Prüfstromkreiswiderstand kann bedrahtet ausgebildet sein. Dies wird durch die Trennung von der Nullleiterseite, auf der die Fehlerstromauslöseeinrichtung angeordnet ist, ermöglicht. Durch einen Durchbruch im Phasentrennteil kann der Prüfstromkreis auf die Nullleiterseite der Schutzschalteinrichtung geführt werden, wo die Leitung des Prüfstromkreises durch den Summenstromwandler geführt wird. Durch die Anordnung des Prüfstromkreiswiderstandes auf der geschützten Phasenseite entsteht Platz auf der Leiterplatte. Damit ist eine optimierte Anordnung der verbleibenden elektrischen Bauteile, insbesondere der voluminösen Transistoren und Varistoren auf der Leiterplatte möglich.The test circuit resistance of the test circuit device can be arranged next to the test circuit spring. The test circuit resistance can be formed wired. This is made possible by the separation from the neutral side, on which the residual current device is arranged. Through a breakthrough in the phase separation part of the test circuit can be performed on the neutral side of the protective switching device, where the line of the test circuit is passed through the summation current transformer. The arrangement of the test circuit resistance on the protected phase side creates space on the circuit board. For an optimized arrangement of the remaining electrical components, in particular the bulky transistors and varistors on the circuit board is possible.
Bevorzugt ist ferner eine Schutzschalteinrichtung, bei der an der Schalteinrichtung eine Überlastauslöseeinrichtung angeordnet ist. Die Anordnung der Überlastauslöseeinrichtung an der Schutzschalteinrichtung ist nicht so kritisch, da die Abmaße der Überlastauslöseeinrichtung gering sind. So kann die Überlastauslöseeinrichtung zwischen den anderen Bauteilen angeordnet sein. Vorteilhafterweise ist die Überlastauslöseeinrichtung jedoch auf der Phasenseite in der Nähe der Schalteinrichtung vorgesehen. Hierdurch können kurze und einfache Wege bzw. Leitungen von der Überlastauslöseeinrichtung zur der Schalteinrichtung realisiert werden.Furthermore, a protective switching device in which an overload tripping device is arranged on the switching device is preferred. The arrangement of the overload trip device to the protection switching device is not so critical, since the dimensions of the overload trip device are low. Thus, the overload release device can be arranged between the other components. Advantageously, however, the overload release device is provided on the phase side in the vicinity of the switching device. As a result, short and simple ways or lines can be realized by the overload trip device to the switching device.
Die Überlastauslöseeinrichtung schaltet den durch die Schutzschalteinrichtung fließenden Strom ab, wenn ein vorgegebener Nennwert des Stromes längere Zeit nennenswert überschritten wird. Zur Auslösung dient dabei bevorzugt ein thermischer Auslöser, insbesondere ein Bimetall, der sich bei Erwärmung durch den durchfließenden Strom biegt und einen Abschaltmechanismus auslöst. Die Zeit bis zur Auslösung hängt dabei von der Stärke des Überstroms ab. Bei einem hohen Überstrom ist sie kürzer als bei geringer Überschreitung des Nennstromes.The overload tripping device switches off the current flowing through the protective switching device when a predetermined nominal value of the current is appreciably exceeded for a long time. For triggering is preferably a thermal release, in particular a bimetal, which bends when heated by the current flowing through and triggers a shutdown mechanism. The time to trip depends on the strength of the overcurrent. At a high overcurrent, it is shorter than at low overshoot of the rated current.
Gemäß des zweiten Aspektes der Erfindung wird die Aufgabe durch ein Schutzschaltgerät aufweisend ein Gehäuse, bei dem innerhalb des Gehäuses eine zuvor beschriebene Schutzschalteinrichtung vorgesehen ist, wobei die Breite des Gehäuses maximal einer Teilungseinheit von 18 mm entspricht, gelöst.According to the second aspect of the invention, the object is achieved by a protective switching device having a housing in which a protective switching device described above is provided within the housing, wherein the width of the housing corresponds to a maximum of a division unit of 18 mm, solved.
Durch die Integration einer derartigen Schutzschalteinrichtung in ein Schutzschaltgerät, kann ein Schutzschaltgerät geschaffen werden, dass in einer einzigen Teilungseinheit mit einer Breite von 18mm eine Schalteinrichtung, eine Kurzschlussauslöseeinrichtung, eine Fehlerstromauslöseeinrichtung und eine Prüfstromkreiseinrichtung aufweist. Ein derartig schmales Schutzschaltgerät lässt sich einfach in bestehende Anlagen hinzufügen. D.h., bei einer bestehenden Anlage lässt sich die Schutzfunktion erhöhen, indem beispielsweise ein üblicher Leitungsschutzschalter mit der Breite einer Teilungseinheit durch ein derartiges Schutzschaltgerät gleicher Breite ausgetauscht wird. Bevorzugt ist ferner ein Schutzschaltgerät, bei dem die Breite des Gehäuses weniger als 18mm beträgt. So kann die Breite des Gehäuses beispielsweise einen Wert zwischen 8mm und 18mm, insbesondere zwischen 14mm und 18mm, aufweisen.By integrating such a protective switching device in a protective switching device, a protective switching device can be provided that in a single division unit with a width of 18mm has a switching device, a short-circuit tripping device, a residual current tripping device and a Prüfstromkreiseinrichtung. Such a thing narrow circuit breaker can be easily added to existing systems. That is, in an existing system, the protective function can be increased by, for example, a conventional circuit breaker with the width of a dividing unit is replaced by such a protection device of the same width. Also preferred is a protective switching device, wherein the width of the housing is less than 18mm. For example, the width of the housing may have a value between 8 mm and 18 mm, in particular between 14 mm and 18 mm.
Durch die kompaktere Gestaltung des Schutzschaltgerätes kann aber auch eine Verkleinerung von Verteilern erzielt werden. Vor allem im Wohnbau sind kleine, unauffällige Verteiler gewünscht. Gleichsam lässt sich auch die Anzahl der Abzweige mit hoher kombinierter Schutzfunktion bei herkömmlichen Verteilergrößen erhöhen. Letztlich kann durch die erfindungsgemäß kompakte Anordnung in dem kombinierten Schutzschaltgerät eine Verbesserung der Selektivität erreicht werden.Due to the more compact design of the protective switching device but also a reduction of distribution can be achieved. Especially in residential small, unobtrusive distributor are desired. Likewise, the number of branches with high combined protection function can be increased in conventional distribution sizes. Ultimately, an improvement of the selectivity can be achieved by the present invention compact arrangement in the combined protection device.
Vorzugsweise entspricht die Breite des Gehäuses, wie erwähnt, einem Normmaß. Dieses Normmaß ist speziell durch eine Teilungseinheit mit dem Maß von 18 mm definiert. Dies führt zu dem Vorteil, dass einzelne Module ohne weiteres ausgetauscht werden können, da sie gleiche Breite besitzen.Preferably, the width of the housing, as mentioned, corresponds to a standard dimension. This standard dimension is specifically defined by a division unit with the dimension of 18 mm. This leads to the advantage that individual modules can be easily replaced because they have the same width.
Das erfindungsgemäße Schutzschaltgerät kann die Funktionalitäten eines Leitungsschutzschalters und eines Fehlerstromschutzschalters inkl. Prüffunktion besitzen. Darüber hinaus kann dass Schutzschaltgerät aber auch die Funktionalitäten eines Leitungsschutzschalters und eines Differenzstromschutzschalters inkl. Prüffunktion besitzen. Dies bedeutet, dass diese drei Funktionalitäten in einem einzigen Gerät vereint werden können und die Breite dieses Geräts nicht über die eines einfachen Leitungsschutzschalters hinausgeht.The protective switching device according to the invention may have the functionalities of a circuit breaker and a residual current circuit breaker including test function. In addition, the protective switching device can also have the functionalities of a circuit breaker and a residual current circuit breaker including a test function. This means that these three functionalities can be combined in a single device and the width of this device does not go beyond that of a simple circuit breaker.
Die Kurzschlussauslöseeinrichtung, die Schalteinrichtung und die Fehlerstromauslöseeinrichtung sind bevorzugt in Längsausrichtung des Schutzschaltgerätes hintereinander innerhalb des Gehäuses des Schutzschaltgerätes angeordnet, wobei die Längsausrichtung des Schutzschaltgerätes sich von einer Stirnseite zur gegenüberliegenden Stirnseite des Gehäuses des Schutzschaltgerätes erstreckt. Die Stirnseiten des Gehäuses des Schutzschaltgerätes definieren die Breite des Schutzschaltgerätes. D.h., die Stirnseiten sind maximal 18mm breit. Zwischen beiden Stirnseiten des Schutzschaltgerätes ist die Kurzschlussauslöseeinrichtung, die Schalteinrichtung und die Fehlerstromauslöseeinrichtung hintereinander angeordnet. Die Fehlerstromauslöseeinrichtung ist einer Seitenwand des Schutzschaltgerätes zugewandt, während parallel zur Fehlerstromauslöseeinrichtung die Prüfstromkreiseinrichtung der gegenüberliegenden Seitenwand des Schutzschaltgerätes zugewandt ist.The short-circuit tripping device, the switching device and the residual current tripping device are preferably in the longitudinal direction of the protective switching device arranged one behind the other within the housing of the protective switching device, wherein the longitudinal alignment of the protective switching device extends from one end face to the opposite end face of the housing of the protective switching device. The front sides of the protective switching device housing define the width of the protective switching device. That is, the front sides are a maximum of 18mm wide. Between both end faces of the protective switching device, the short-circuit tripping device, the switching device and the residual current tripping device is arranged one behind the other. The residual current tripping device faces a side wall of the protective switching device, while the test circuit device faces the opposite side wall of the protective switching device parallel to the residual current tripping device.
Bevorzugt ist ein Schutzschaltgerät, bei dem an den Stirnseiten des Gehäuses des Schutzschaltgerätes jeweils wenigstens eine Anschlussklemme L für wenigstens einen Phasenleiter und eine Anschlussklemme N für einen Nullleiter vorgesehen sind und bei dem das Schutzschaltgerät durch das sich zwischen den Stirnseiten des Gehäuses des Schutzschaltgerätes erstreckende Phasentrennteil in eine Phasenseite und eine Nullleiterseite unterteilt ist. Ein derartig ausgebildetes Schutzschaltgerät ist in zwei Bereiche getrennt. Durch das Phasentrennteil kann die Prüfstromkreiseinrichtung auf der geschützten Phasenseite und die Fehlerstromauslöseeinrichtung auf der Nullleiterseite angeordnet werden. Bevorzugt ist auch die Kurzschlussauslöseeinrichtung auf der Phasenseite angeordnet. Hierdurch ist sowohl die Prüfstromkreiseinrichtung als auch die Kurzschlussauslöseeinrichtung elektrisch isoliert von der Fehlerstromauslöseeinrichtung innerhalb des Gehäuses des Schutzschaltgerätes angeordnet. Ferner ist auch die Überlastauslöseeinrichtung vorteilhafterweise auf der Phasenseite innerhalb des Gehäuses des Schutzschaltgerätes angeordnet. So kann auch die Überlastauslöseeinrichtung elektrisch isoliert angeordnet werden. Dabei ist die Prüfstromkreiseinrichtung, d.h. die Prüfstromfeder und der Prüfstromwiderstand, direkt an dem Phasentrennteil angeordnet. Durch einen Durchbruch im Phasentrennteil kann der Prüfstromkreis auf die Nullleiterseite des Schutzschaltgerätes geführt werden.Preference is given to a protective switching device, in which at least one terminal L for at least one phase conductor and a terminal N for a neutral conductor are provided on the front sides of the housing of the protective switching device and in which the protective switching device by extending between the end faces of the housing of the protective switching device phase separation in a phase side and a neutral side is divided. Such a trained protective switching device is separated into two areas. Through the phase separation part, the test circuit device can be arranged on the protected phase side and the residual current release device on the neutral side. Preferably, the short-circuit release device is arranged on the phase side. As a result, both the test circuit device and the short-circuit tripping device are arranged in an electrically isolated manner from the residual current tripping device within the housing of the protective switching device. Furthermore, the overload trip device is advantageously arranged on the phase side within the housing of the protective switching device. Thus, the overload release device can be arranged electrically isolated. The test circuit device, ie the test current spring and the test current resistance, arranged directly on the phase separation part. Through a breakthrough in the phase separation part of the test circuit can be performed on the neutral side of the protection device.
Bevorzugt ist ferner ein Schutzschaltgerät, bei dem an den Stirnseiten des Gehäuses des Schutzschaltgerätes jeweils wenigstens eine Öffnung zur Durchführung wenigstens eines Phasenleiters und eine Öffnung zur Durchführung eines Nullleiters vorgesehen sind und dass das Schutzschaltgerät durch das sich zwischen den Stirnseiten des Gehäuses des Schutzschaltgerätes erstreckende Phasentrennteil in eine Phasenseite (9) und eine Nullleiterseite unterteilt ist. Hierdurch können elektrischen Leitungen aus den Öffnungen heraushängen, um das Schutzschaltgerät elektrisch zu versorgen. Diese sogenannten heraushängenden Leitungen werden auch als Pig-Tails bezeichnet.In addition, a protective switching device is preferred in which at least one opening for carrying out at least one phase conductor and an opening for carrying out a neutral conductor are provided on the front sides of the housing of the protective switching device and that the protective switching device by the extending between the end faces of the housing of the protective switching device phase separation part in a phase side (9) and a neutral side is divided. As a result, electrical cables can hang out of the openings to supply the protective switching device electrically. These so-called hanging lines are also referred to as pig-tails.
Die Überlastauslöseeinrichtung kann ohne weiteres zwischen den verschiedenen Bauteilen innerhalb des Gehäuses des Schutzschaltgerätes angeordnet sein, da sie deutlich geringere Ausmaße als die anderen Bauteile aufweist. Bevorzugt kann die Überlastauslöseeinrichtung neben der Schaltmechanik vorgesehen sein.The overload trip device can be easily arranged between the various components within the housing of the protection device, since it has significantly smaller dimensions than the other components. Preferably, the overload release device can be provided in addition to the switching mechanism.
Bevorzugt ist ein Schutzschaltgerät, welches die Funktionalitäten eines Leitungsschutzschalters und Fehlerstromschutzschalters oder eines Leitungsschutzschalters und eines Differenzstromschutzschalters besitzt.Preference is given to a protective switching device which has the functionalities of a circuit breaker and residual current circuit breaker or a circuit breaker and a residual current circuit breaker.
Besonders vorteilhaft lässt sich die vorliegende Erfindung für Schutzschaltgeräte einsetzen, die als Reiheneinbaugerät ausgebildet sind. In diesem Fall kommen die oben genannten Vorteile noch mehr zur Geltung.Particularly advantageously, the present invention can be used for protective switching devices, which are designed as a modular device. In this case, the advantages mentioned above are even more effective.
Die Erfindung wird nun anhand von Ausführungsbeispielen unter Bezugnahme auf die beiliegenden Zeichnungen näher erläutert.
Es zeigen:
Figur 1- eine Schnittansicht von oben durch eine Schutzschalteinrichtung;
Figur 2- eine schematische Schnittansicht von oben durch ein Schutzschaltgerät;
Figur 3- eine Schnittansicht von der Seite durch ein Schutzschaltgerät;
Figur 4- eine schematische Schnittansicht von der Seite durch ein Schutzschaltgerät.
Show it:
- FIG. 1
- a sectional view from above through a protective switching device;
- FIG. 2
- a schematic sectional view from above through a protective switching device;
- FIG. 3
- a sectional view from the side by a protective switching device;
- FIG. 4
- a schematic sectional view from the side by a protective switching device.
Eine derartig ausgestaltete Schutzschalteinrichtung kann sehr schmal ausgebildet sein. Durch die Trennung der Prüfstromkreiseinrichtung 6 von der Fehlerstromauslöseeinrichtung 5 ist es erstmals möglich die Fehlerstromauslöseeinrichtung 5 derart schmal auszubilden, dass innerhalb des Gehäuses 7 der Schutzschalteinrichtung 12, welches eine Breite von maximal 18mm aufweist, neben der Fehlerstromauslöseeinrichtung 5 auch die Prüfstromkreiseinrichtung 6 angeordnet werden kann. Gleichzeitig kann die Prüfstromkreiseinrichtung 6 durch das zwischen der Prüfstromkreiseinrichtung 6 und der Fehlerstromauslöseeinrichtung 5 verlaufende Phasentrennteil elektrisch von der Fehlerstromauslöseeinrichtung 5 isoliert werden.Such a designed protection switching device can be made very narrow. By separating the
In der
Der besondere Vorteil des Schutzschaltgerätes 1 liegt darin, dass das Schutzschaltgerät 1 bei der vollen Funktionalität, d.h. Funktionen für den Kurzschlussschutz, den Fehlerstrom- bzw. Differenzstromschutz und für den Überlastschutz, zusätzlich in einem derart schmalen Gehäuse 7 Platz für eine Prüfstromkreiseinrichtung 6 aufweist. Dies war bislang nicht möglich. Das Schutzschaltgerät 1 weist eine maximale Breite von einer Teilungseinheit, was in der
In der
Durch die spezielle Anordnung der Bauteile der Schutzschalteinrichtung 12 kann ein Schutzschaltgerät 1 in Schmalbauweise, d.h. mit einer maximalen Breite von 18mm, realisiert werden, wobei das Schutzschaltgerät 1 eine Kurzschlussauslöseeinrichtung 3, eine Schaltmechanik 2, eine Fehlerstromauslöseeinrichtung 5, ggf. eine Überlastauslöseeinrichtung 4 und eine Prüfstromkreiseinrichtung 6 aufweist.Due to the special arrangement of the components of the
Dabei ist vorzugsweise neben der auf eine Teilungseinheit TE beschränkten Breite des Schutzschaltgerätes 1, die Bautiefe des Schutzschaltgerätes 1 auf 70 mm und die Bauhöhe auf 90 mm beschränkt. Somit ist es möglich, die für die kombinierte Schutzfunktion Überlast, Kurzschluss und Fehlerstrom erforderlichen Sensoren und Aktoren sowie die Prüfstromkreisfunktionalität gleichmäßig in dem zur Verfügung stehenden Konstruktionsvolumen unterzubringen.In addition to the width of the
- 11
- SchutzschaltgerätProtection device
- 22
- Schalteinrichtungswitching device
- 33
- KurzschlussauslöseeinrichtungShort circuit triggering device
- 44
- ÜberlastauslöseeinrichtungOverload tripping device
- 55
- FehlerstromauslöseeinrichtungFault current triggering device
- 5a5a
- SeitenwandSide wall
- 66
- PrüfstromkreiseinrichtungPrüfstromkreiseinrichtung
- 6a6a
- PrüfstromkreiswiderstandPrüfstromkreiswiderstand
- 6b6b
- PrüfstromkreisfederPrüfstromkreisfeder
- 77
- Gehäuse des SchutzschaltgerätesHousing of the protective switching device
- 7a7a
- Stirnseitefront
- 7b7b
- Stirnseitefront
- 88th
- PhasentrennteilPhase separation member
- 99
- Phasenseitephase side
- 1010
- NullleiterseiteNeutral side
- 1111
- Prüftastetest button
- 1212
- SchutzschalteinrichtungCircuit-breaker device
- LL
- Anschlussklemme für einen PhasenleiterTerminal for a phase conductor
- NN
- Anschlussklemme für einen NullleiterConnection terminal for a neutral conductor
- TETE
- Breite einer TeilungseinheitWidth of a division unit
Claims (13)
- Protective switching apparatus comprising a switching apparatus (2) for switching at least one electrical contact, comprising a short circuit tripping apparatus (3) for tripping the switching apparatus (2) in the event of a short circuit, and comprising a fault current tripping apparatus (5) for tripping the switching apparatus (2) in the event of a fault current and/or residual current, wherein the switching apparatus (2), the short circuit tripping apparatus (3) and the fault current tripping apparatus (5) are arranged in series in a longitudinal orientation, wherein the protective switching apparatus is designed to be slim such that it can be arranged in a housing of a protective switching device with a width of a maximum of 18 mm, and wherein a phase separation part (8) is provided, which divides the protective switching apparatus (12) into a phase side (9) and a PEN conductor side (10), characterized in that the protective switching apparatus (12) has a test circuit apparatus (6), which is arranged adjacent to the fault current tripping apparatus (5), wherein the test circuit apparatus (6) and the short circuit tripping apparatus (3) are arranged on the phase side (9) and the fault current tripping apparatus (5) is arranged on the PEN conductor side (10), and in that a test button (11) is provided, which is arranged above the test circuit apparatus (6).
- Protective switching apparatus according to Claim 1, characterized in that the switching apparatus (2) is arranged downstream of the short circuit tripping apparatus (3), the fault current tripping apparatus (5) is arranged downstream of the switching apparatus (2), and the test circuit apparatus (6) is arranged in parallel with the fault current tripping apparatus (5), along the longitudinal orientation.
- Protective switching apparatus according to Claim 1 or 2, characterized in that the switching apparatus (2), the short circuit tripping apparatus (3), the fault current tripping apparatus (5) and the test circuit apparatus (6) are fastened on a phase separation part and/or on an inner side of a housing (7).
- Protective switching apparatus according to one of Claims 1 to 3, characterized in that the test circuit apparatus (6) has a test circuit spring and/or a test resistor.
- Protective switching apparatus according to one of Claims 1 to 4, characterized in that the test circuit apparatus (6) faces a side wall (5a) of the fault current tripping apparatus (5), which side wall runs parallel to the longitudinal orientation of the protective switching apparatus (12).
- Protective switching apparatus according to one of Claims 1 to 5, characterized in that the test circuit apparatus (6) is arranged close to the switching apparatus (2) adjacent to the fault current tripping apparatus (5).
- Protective switching apparatus according to one of Claims 1 to 6, characterized in that an overload tripping apparatus (4) is arranged on the switching apparatus (2).
- Protective switching device having a housing (7), characterized in that a protective switching apparatus (12) according to one of Claims 1 to 7 is provided within the housing (7), wherein the width of the housing (7) corresponds at most to a subdivision unit of 18 mm.
- Protective switching device according to Claim 8, characterized in that the short circuit tripping apparatus (3), the switching apparatus (2) and the fault current tripping apparatus (5) are arranged in series within the housing (7) in the longitudinal orientation of the protective switching device (1), wherein the longitudinal orientation of the protective switching device (1) extends from an end side (7a) to the opposite end side (7b) of the housing (7) of the protective switching device (1).
- Protective switching device according to Claim 8 or 9, characterized in that in each case at least one connection terminal (L) for at least one phase conductor and one connection terminal (N) for a PEN conductor are provided at the end sides (7a, 7b) of the housing (7) of the protective switching device (1), and in that the protective switching device (1) is divided into a phase side (9) and a PEN conductor side (10) by the phase separation part (8) which extends between the end sides (7a, 7b) of the housing (7) of the protective switching device (1).
- Protective switching device according to Claim 8 or 9, characterized in that in each case at least one opening for passing through at least one phase conductor and one opening for passing through a PEN conductor are provided in the end sides (7a, 7b) of the housing (7) of the protective switching device (1), and in that the protective switching device (1) is divided into a phase side (9) and a PEN conductor side (10) by the phase separation part (8), which extends between the end sides (7a, 7b) of the housing (7) of the protective switching device (1).
- Protective switching device according to one of Claims 8 to 11, characterized in that the protective switching device (1) has the functionalities of a line circuit breaker and fault current circuit breaker or of a line circuit breaker and a residual current circuit breaker.
- Protective switching device according to one of Claims 8 to 12, characterized in that said protective switching device is in the form of a modular device.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007048412A DE102007048412A1 (en) | 2007-10-09 | 2007-10-09 | Protective switching device and protective switching device |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2048685A2 EP2048685A2 (en) | 2009-04-15 |
EP2048685A3 EP2048685A3 (en) | 2013-02-27 |
EP2048685B1 true EP2048685B1 (en) | 2015-05-20 |
Family
ID=40269771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20080164855 Active EP2048685B1 (en) | 2007-10-09 | 2008-09-23 | Protective switch assembly and protective switch device |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2048685B1 (en) |
CN (1) | CN101409181B (en) |
DE (1) | DE102007048412A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3133269B1 (en) * | 2022-03-07 | 2024-03-01 | Hager Electro Sas | Differential lock for electrical differential protection device |
FR3133267A1 (en) | 2022-03-07 | 2023-09-08 | Hager-Electro Sas | Electrical protective device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0403358A1 (en) * | 1989-06-16 | 1990-12-19 | Hager Electro S.A. | Neutral and phase circuit breaker |
EP0505292A1 (en) * | 1991-03-20 | 1992-09-23 | Schneider Electric Sa | Phase/neutral conductor circuit breaker with reduced space requirement |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE6930305U (en) * | 1969-07-31 | 1970-05-06 | Vatter Nachf Kg J H | TIGHTS KNITTED FROM A TUBE FROM THE TOP OF ONE TO THE TOP OF THE OTHER TIGHTS ON THE CIRCULAR TIGHTER KNITTING MACHINE. |
US5517165A (en) * | 1991-07-22 | 1996-05-14 | Pdl Holdings Limited | Switch mechanism |
FR2687838B1 (en) * | 1992-02-21 | 1994-04-08 | Merlin Gerin | SINGLE POLE AND NEUTRAL DIFFERENTIAL CIRCUIT BREAKER WITH TEST CIRCUIT. |
DE10118098A1 (en) * | 2001-04-11 | 2002-10-17 | Abb Patent Gmbh | Service switching device |
DE102004034859A1 (en) * | 2004-07-19 | 2006-02-16 | Siemens Ag | Protection device in narrow construction |
-
2007
- 2007-10-09 DE DE102007048412A patent/DE102007048412A1/en not_active Withdrawn
-
2008
- 2008-09-23 EP EP20080164855 patent/EP2048685B1/en active Active
- 2008-10-09 CN CN 200810161852 patent/CN101409181B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0403358A1 (en) * | 1989-06-16 | 1990-12-19 | Hager Electro S.A. | Neutral and phase circuit breaker |
EP0505292A1 (en) * | 1991-03-20 | 1992-09-23 | Schneider Electric Sa | Phase/neutral conductor circuit breaker with reduced space requirement |
Also Published As
Publication number | Publication date |
---|---|
DE102007048412A1 (en) | 2009-04-23 |
CN101409181B (en) | 2013-03-27 |
EP2048685A3 (en) | 2013-02-27 |
CN101409181A (en) | 2009-04-15 |
EP2048685A2 (en) | 2009-04-15 |
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