EP0326772B1 - Releasing relay with spitting remote sensing-element - Google Patents
Releasing relay with spitting remote sensing-element Download PDFInfo
- Publication number
- EP0326772B1 EP0326772B1 EP19880403331 EP88403331A EP0326772B1 EP 0326772 B1 EP0326772 B1 EP 0326772B1 EP 19880403331 EP19880403331 EP 19880403331 EP 88403331 A EP88403331 A EP 88403331A EP 0326772 B1 EP0326772 B1 EP 0326772B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sensor
- relay
- case
- male connector
- toroid
- 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.)
- Expired - Lifetime
Links
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000004020 conductor Substances 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 238000004804 winding Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000011664 signaling Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
- H01H11/0031—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for allowing different types or orientation of connections to contacts
-
- 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
Definitions
- the invention relates to a control relay associated with an external measurement sensor, the relay comprising an insulating housing containing a processing circuit intended to receive the measurement signal coming from the sensor, and to deliver an output signal, in particular of triggering and / or signaling, if a predetermined threshold is exceeded.
- the sensor may be constituted by a closed or opening toroid, which is generally installed on a support rail or a plate by means of an auxiliary fixing member.
- the connection between relay and toroid is essentially electrical thanks to a shielded wire or a special connection line. For certain applications, the continuity of the electrical connection between the toroid and the relay must be checked by an electronic self-checking device integrated in the processing circuit.
- Document FR-A-2 396 398 describes a toroidal-shaped current transformer device, in which the electrical connection between the secondary winding and the printed circuit is effected by means of a connection element having contact studs weldable. The transformer position change is no longer possible after welding the contact studs.
- the document FR-A-2.125.425 describes a modular differential circuit breaker, in which the electrical insertion of the primary windings of the toroid is carried out by connection of the ends of the turns in the screw terminals of the circuit breaker block.
- the object of the invention is to simplify the connection from a measurement sensor to a control relay.
- the relay according to the invention is characterized in that the relay housing comprises a first female connector and a second female connector of identical structure, electrically connected to the relay processing circuit and located in separate locations, on one of the faces side and on the base for fixing the housing, that the sensor is embedded in a coating block (20), equipped with a third conjugated male connector, which is arranged to authorize the mounting and the electrical connection of the sensor to the relay by insertion of the third male connector into any one of the first or second female connectors of the housing, and the third male connector of the sensor connection is associated with a coupling member, capable of engaging in a retaining slide arranged in the housing to ensure mechanical attachment of the sensor to the housing.
- the change of position of the sensor with respect to the relay depends on the location of the connection conductors, or on the supply busbar.
- the sensor can be formed by a zero sequence toroid, or any other current or voltage detector.
- a control relay 10 in particular with differential protection, is associated with a measurement sensor 11 formed by a toroid 12 with totalizing transformer, capable of detecting a residual differential current.
- the relay 10 is housed in a modular insulating housing 14 having a mounting base 16 easily adaptable by snap-fastening to a support rail 18, or to any other mounting member.
- the totalizing transformer of the torus 12 comprises a magnetic circuit on which is wound a measurement winding (not shown), the assembly being embedded in a coating block 20 of molded insulating material.
- the toroid 12 is crossed by the active conductors (not shown) of an installation or of a network to be protected, and the measurement winding of the transformer is the seat of a differential signal generated during the appearance of a insulation fault with respect to earth.
- the differential output signal from the sensor 11 is applied to a processing circuit (not shown) arranged in the housing 14, said circuit being capable of issuing an electrical tripping or signaling order when the differential tripping threshold is exceeded.
- Relay 10 can drive a coil of a circuit breaker or contactor control mechanism.
- the coating block 20 of the torus 12 comprises a male connector 22 for plugging in having a plurality of connection pins 23 connected to the measurement winding.
- the male connector 22 of the torus 12 can be inserted into one of the female connectors 24, 26 of identical structures, located at predetermined locations in the relay 10.
- the first female connector 24 is formed on one of the lateral faces 27 of the housing 14 insulator, while the second female connector 26 is arranged at the upper part of the mounting base 16. It is clear that the racking-in device can be reversed, by providing the female connector on the toroid 12, and the male connectors on the relay 10.
- the two female connectors 24, 26 are electrically connected to the processing circuit of the relay 10.
- the toroid 12 can thus be shown as desired on the side or at the rear of the relay 10 (see FIG. 1) as a function of the position of the active conductors passing through the torus.
- the location of the connection and power busbar conductors is perfectly defined, and the possibility of adapting the location of the toroid 12 on the relay 10 facilitates the assembly and wiring of the panel.
- the plugging in of the toroid 12 on the relay 10 according to FIGS. 1 and 2 does not require any flexible electrical connection, and the mechanical maintenance of the toroid 12 is effected by attachment to the housing 14 by means of an associated coupling member 28 to the male connector 22.
- the coupling member 28 engages for this purpose in a slide 30, 32 of the housing 14, during the insertion of the pins 23 of the male connector 22 into the receptacles of the female connector 24 or 26.
- FIGS. 1 and 2 the arrangement of the toroid 12 with respect to the relay 10 is shown in a plane parallel to the support rail 18 for the two racking-in positions.
- the active conductors then pass vertically through the torus 12 in a direction perpendicular to the support rail 18.
- the orientation of the toroid 12 on the relay 10 can of course be modified as a function of the inclination of the female connectors 24, 26 on the housing 14. If the first female connector 24 is oriented in a vertical direction, that is to say perpendicular to that shown in FIG. 1, the axis of the torus 12 extends perpendicular to the support rail 18. When the second female connector 26 is vertical, the axis of the torus 12 extends parallel to the support rail 18.
- FIG. 3 represents a complete perspective view of the torus 12.
- the coating block 20 is additionally equipped with an auxiliary fixing base 34 angularly offset, in particular at a right angle to the male connector 22.
- This base 34 makes it possible to carry out a separate mounting of toroid 12, by fixing it directly on the support rail 18 ( Figures 4 and 5) or on a plate 36 ( Figures 6 and 7).
- the fixing base 34 has a series of vertical 38 and horizontal 40 grooves allowing the snap-fastening of an intermediate piece 42 in two different positions.
- This adaptation piece 42 is then attached to the support rail 18 with a symmetrical profile.
- the torus 12 is either horizontal (FIG. 4) with vertical passage of the active conductors, or vertical (FIG. 5) with horizontal passage of the active conductors.
- the mounting base 34 further comprises two series of holes 44, 46 allowing the passage of screws 48 for mounting flat (FIG. 6) or at an angle (FIG. 7) of the torus 12 on the plate 36.
- the electrical connection with the relay 10 takes place by means of a flexible connection device (not shown) having at one end a female connector mounted plugged into the third male connector 22 of the torus 12, and at the opposite end another male connector connected to an auxiliary current socket (50, FIG. 1) of the housing 14.
- the arrangement of the coating block 20 allows multiple possibilities of mounting the sensor 11 to a relay 10, either in an adaptable version ( Figures 1 and 2), or in a separate version ( Figures 4 to 7).
- the sensor 11 can be formed by any other current or voltage detector.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Measurement Of Current Or Voltage (AREA)
- Transformers For Measuring Instruments (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Description
L'invention concerne un relais de commande associé à un capteur extérieur de mesure, le relais comprenant un boîtier isolant renfermant un circuit de traitement destiné à recevoir le signal de mesure issu du capteur, et à délivrer un signal de sortie, notamment de déclenchement et/ou de signalisation, en cas de dépassement d'un seuil prédéterminé.The invention relates to a control relay associated with an external measurement sensor, the relay comprising an insulating housing containing a processing circuit intended to receive the measurement signal coming from the sensor, and to deliver an output signal, in particular of triggering and / or signaling, if a predetermined threshold is exceeded.
Le capteur peut-être constitué par un tore fermé ou ouvrant, lequel est généralement installé sur un rail support ou une platine au moyen d'un organe de fixation auxiliaire. La liaison entre relais et tore est essentiellement électrique grâce à un fil blindé ou une ligne spéciale de connexion. Pour certaines applications, la continuité de la liaison électrique entre le tore et le relais doit être vérifiée par un dispositif électronique d'auto-contrôle intégré dans le circuit de traitement.The sensor may be constituted by a closed or opening toroid, which is generally installed on a support rail or a plate by means of an auxiliary fixing member. The connection between relay and toroid is essentially electrical thanks to a shielded wire or a special connection line. For certain applications, the continuity of the electrical connection between the toroid and the relay must be checked by an electronic self-checking device integrated in the processing circuit.
Il est également connu du document DE-A-2.834.327 d'incorporer le tore à l'intérieur du boîtier d'un relais ou disjoncteur différentiel. Un tel appareil à tore intégré ne convient pas pour toutes les installations électriques.It is also known from document DE-A-2,834,327 to incorporate the toroid inside the case of a differential relay or circuit breaker. Such an integrated toroidal device is not suitable for all electrical installations.
Le document FR-A-2 396 398 décrit un dispositif de transformateur de courant de forme torique, dans lequel la liaison électrique entre l'enroulement secondaire et le circuit imprimé s'opère au moyen d'un élément de connexion ayant des goujons de contacts soudables. Le changement de position du transformateur n'est plus possible après soudage des goujons de contact.Document FR-A-2 396 398 describes a toroidal-shaped current transformer device, in which the electrical connection between the secondary winding and the printed circuit is effected by means of a connection element having contact studs weldable. The transformer position change is no longer possible after welding the contact studs.
Le document FR-A-2.125.425 décrit un disjoncteur différentiel modulaire, dans lequel l'insertion électrique des enroulements primaires du tore s'effectue par raccordement des extrémités des spires dans les bornes à vis du bloc disjoncteur.The document FR-A-2.125.425 describes a modular differential circuit breaker, in which the electrical insertion of the primary windings of the toroid is carried out by connection of the ends of the turns in the screw terminals of the circuit breaker block.
L'objet de l'invention consiste à simplifier le raccordement d'un capteur de mesure à un relais de commande.The object of the invention is to simplify the connection from a measurement sensor to a control relay.
Le relais selon l'invention est caractérisé en ce que le boîtier du relais comporte un premier connecteur femelle et un deuxième connecteur femelle de structure identique, reliés électriquement au circuit de traitement du relais et situés en des endroits distincts, sur l'une des faces latérales et sur le socle de fixation du boîtier, que le capteur est enrobé dans un bloc d'enrobage (20), équipé d'un troisième connecteur mâle conjuguée, lequel est agencé pour autoriser le montage et la connexion électrique du capteur au relais par embrochage du troisième connecteur mâle dans l'un quelconque des premier ou deuxième connecteurs femelle du boîtier, et que le troisième connecteur mâle d'embrochage du capteur est associé à un organe d'accouplement, susceptible de s'engager dans une glissière de retenue agencée dans le boîtier pour assurer l'accrochage mécanique du capteur sur le boîtier.The relay according to the invention is characterized in that the relay housing comprises a first female connector and a second female connector of identical structure, electrically connected to the relay processing circuit and located in separate locations, on one of the faces side and on the base for fixing the housing, that the sensor is embedded in a coating block (20), equipped with a third conjugated male connector, which is arranged to authorize the mounting and the electrical connection of the sensor to the relay by insertion of the third male connector into any one of the first or second female connectors of the housing, and the third male connector of the sensor connection is associated with a coupling member, capable of engaging in a retaining slide arranged in the housing to ensure mechanical attachment of the sensor to the housing.
Le changement de position du capteur par rapport au relais, notamment par embrochage sur le côté et à l'arrière du boîtier, dépend de l'emplacement des conducteurs de raccordement, ou du jeu de barre d'alimentation.The change of position of the sensor with respect to the relay, in particular by plugging in on the side and rear of the box, depends on the location of the connection conductors, or on the supply busbar.
Les autres assemblages traditionnels du capteur séparé restent possibles grâce à une embase de fixation conformée dans le bloc d'enrobage du capteur.The other traditional assemblies of the separate sensor remain possible thanks to a fixing base shaped in the sensor coating block.
Le capteur peut être formé par un tore homopolaire, ou tout autre détecteur de courant ou de tension.The sensor can be formed by a zero sequence toroid, or any other current or voltage detector.
D'autres avantages et caractéristiques de l'invention ressortiront de la description qui va suivre d'un mode de réalisation donné à titre d'exemple non limitatif, et représenté aux dessins annexés, dans lesquels:
- la figure 1 représente une vue en perspective du relais différentiel selon l'invention avec les deux emplacements du tore en position débrochée;
- la figure 2 montre une vue partielle en élévation de la figure 1, pour un emplacement prédéterminé du tore en position embrochée;
- la figure 3 est une vue détaillée en perspective du tore;
- les figures 4 et 5 montrent deux possibilités de montage séparé du tore de la figure 3 sur un rail support;
- les figures 6 et 7 représentent deux vues identiques aux figures 4 et 5 d'une variante de montage du tore sur une platine.
- FIG. 1 represents a perspective view of the differential relay according to the invention with the two locations of the toroid in the withdrawn position;
- Figure 2 shows a partial elevational view of Figure 1, for a predetermined location of the torus in the plugged-in position;
- Figure 3 is a detailed perspective view of the torus;
- Figures 4 and 5 show two separate mounting possibilities of the toroid of Figure 3 on a support rail;
- Figures 6 and 7 show two views identical to Figures 4 and 5 of an alternative mounting of the torus on a plate.
Sur les figures 1 et 2, un relais 10 de commande, notamment à protection différentielle, est associé à un capteur 11 de mesure formé par un tore 12 à transformateur totalisateur, capable de détecter un courant différentiel résiduel. Le relais 10 est logé dans un boîtier 14 isolant modulaire ayant un socle de fixation 16 facilement adaptable par encliquetage à un rail support 18, ou à tout autre organe de montage. Le transformateur totalisateur du tore 12 comporte un circuit magnétique sur lequel est bobiné un enroulement de mesure (non représenté), l'ensemble étant noyé dans un bloc d'enrobage 20 en matériau isolant moulé. Le tore 12 est traversé par les conducteurs actifs (non représentés) d'une installation ou d'un réseau à protéger, et l'enroulement de mesure du transformateur est le siège d'un signal différentiel engendré lors de l'apparition d'un défaut d'isolement par rapport à la terre. Le signal différentiel de sortie du capteur 11 est appliqué à un circuit de traitement (non représenté) agencé dans le boîtier 14, ledit circuit étant capable de délivrer un ordre électrique de déclenchement ou de signalisation lorsque le seuil de déclenchement différentiel est dépassé. Le relais 10 peut piloter une bobine d'un mécanisme de commande d'un disjoncteur ou d'un contacteur.In FIGS. 1 and 2, a
Le bloc d'enrobage 20 du tore 12 comporte un connecteur mâle 22 d'embrochage ayant une pluralité de broches 23 de connexion raccordées à l'enroulement de mesure. Le connecteur mâle 22 du tore 12 peut être enfiché dans l'un des connecteurs femelles 24,26 de structures identiques, situés en des endroits prédéterminés du relais 10. Le premier connecteur femelle 24 est ménagé sur l'une des faces latérales 27 du boîtier 14 isolant, tandis que le deuxième connecteur femelle 26 est agencé à la partie supérieure du socle de fixation 16. Il est clair que le dispositif d'embrochage peut être inversé, en prévoyant le connecteur femelle sur le tore 12, et les connecteurs mâles sur le relais 10. Les deux connecteurs femelles 24,26 sont connectés électriquement au circuit de traitement du relais 10.The
Le tore 12 peut ainsi être montré au choix sur le côté ou à l'arrière du relais 10 (voir figure 1) en fonction de la position des conducteurs actifs traversant le tore. Dans un tableau électrique, l'implantation des conducteurs de raccordement et de jeu de barres d'alimentation est parfaitement définie, et la possibilité d'adaptation de l'emplacement du tore 12 sur le relais 10 facilite le montage et le câblage du tableau.The
L'embrochage du tore 12 sur le relais 10 selon les figures 1 et 2 ne nécessite aucune liaison électrique souple, et le maintien mécanique du tore 12 s'effectue par accrochage sur le boîtier 14 au moyen d'un organe d'accouplement 28 associé au connecteur mâle 22. L'organe d'accouplement 28 s'engage à cet effet dans une glissière 30,32 du boîtier 14, lors de l'insertion des broches 23 du connecteur mâle 22 dans les alvéoles de réception du connecteur femelle 24 ou 26.The plugging in of the
Sur les figures 1 et 2, l'agencement du tore 12 par rapport au relais 10 est représenté dans un plan parallèle au rail support 18 pour les deux position d'embrochage. Les conducteurs actifs traversent alors verticalement le tore 12 selon une direction perpendiculaire au rail support 18.In FIGS. 1 and 2, the arrangement of the
L'orientation du tore 12 sur le relais 10 peut bien entendu être modifiée en fonction de l'inclinaison des connecteurs femelles 24,26 sur le boîtier 14. Si le premier connecteur femelle 24 est orienté selon une direction verticale, c'est à dire perpendiculaire à celle représentée sur la figure 1, l'axe du tore 12 s'étend perpendiculairement au rail support 18. Lorsque le deuxième connecteur femelle 26 est vertical, l'axe du tore 12 s'étend parallèlement au rail support 18.The orientation of the
La figure 3 représente une vue complète en perspective du tore 12. Le bloc d'enrobage 20 est équipé en plus d'une embase 34 de fixation auxiliaire décalée angulairement, notamment à angle droit par rapport au connecteur mâle 22. Cette embase 34 permet de réaliser un montage séparé du tore 12, en le fixant directement sur le rail support 18 (figures 4 et 5) ou sur une platine 36 (figures 6 et 7).FIG. 3 represents a complete perspective view of the
L'embase 34 de fixation comporte une série de rainures verticales 38 et horizontales 40 autorisant l'encliquetage d'une pièce 42 intermédiaire selon deux positions différentes. Cette pièce 42 d'adaptation est ensuite rapportée sur le rail support 18 à profil symétrique. Selon la position de la pièce 42 sur l'embase de fixation 34, le tore 12 est soit horizontal (figure 4) avec passage vertical des conducteurs actifs, soit vertical (figure 5) avec passage horizontal des conducteurs actifs.The
L'embase 34 de fixation comprend en outre deux séries d'orifices 44,46 autorisant le passage de vis 48 pour le montage à plat (figure 6) ou en équerre (figure 7) du tore 12 sur la platine 36.The
Dans le cas de montage séparé du tore 12 selon les figures 4 à 7, la connexion électrique avec le relais 10 s'opère au moyen d'un dispositif de connexion souple (non représenté) ayant à l'une des extrémités un connecteur femelle monté à enfichage dans le troisième connecteur mâle 22 du tore 12, et à l'extrémité opposée un autre connecteur mâle relié à une prise du courant auxiliaire (50, figure 1) du boîtier 14.In the case of separate mounting of the
L'agencement du bloc d'enrobage 20 permet de multiples possibilités de montage du capteur 11 à un relais 10, soit en version adaptable (figures 1 et 2), soit en version séparée (figures 4 à 7). Le capteur 11 peut être formé par tout autre détecteur de courant ou de tension.The arrangement of the
Claims (5)
- A control relay associated with an external measuring sensor (11), the relay (10) comprising an insulating case (14) housing a processing circuit designed to receive the measuring signal from the sensor (11), and to deliver an output signal, notably a tripping and/or indication signal, if a preset threshold is exceeded, characterized in that the case (14) of the relay (10) comprises a first female connector (24) and a second female connector (26) of identical structures, electrically connected to the processing circuit of the relay (10) and located at distinct places on one of the side faces (27) and on the fixing base (16) of the case (14), that the sensor (11) is coated with a coating block (20), equipped with a conjugate third male connector (22), which is arranged to enable assembly and electrical connection of the sensor (11) to the relay (10) by plugging the third male connector (22) into either one of the first or second female connectors (24, 26) of the case (14), and that the third male connector (22) for plug-in of the sensor (11) is associated with a coupling component (28), able to engage in a retaining slide (30, 32) arranged in the case (14) to perform mechanical securing of the sensor (11) on the case (14).
- The relay according to claim 1, characterized in that the sensor (11) is provided with a fixing base (34), which is angularly offset, notably at right-angles, with respect to the third connector (22), and comprises auxiliary assembly means to perform separate assembly of the sensor (11) on a support rail (18) or on a mounting plate (36).
- The relay according to claim 2, characterized in that electrical connection of the sensor (11) with the relay (10) is performed by means of a flexible connecting device having at one of its ends a female connector plug-mounted in the third male connector (22), and at the opposite end another male connector plug-in connected to an auxiliary current socket (50) of the case (14).
- The relay according to one of the claims 1 to 3, characterized in that the external measuring sensor is formed by a ground fault toroid designed to detect a residual earth leakage current, said toroid being covered in a coating block (20) made of insulating material.
- The relay according to one of the claims 1 to 3, characterized in that the external measuring sensor is formed by a current or voltage detector.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8800180 | 1988-01-07 | ||
FR8800180A FR2625834B1 (en) | 1988-01-07 | 1988-01-07 | DIFFERENTIAL RELAY WITH PLUG-IN TORQUE |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0326772A1 EP0326772A1 (en) | 1989-08-09 |
EP0326772B1 true EP0326772B1 (en) | 1993-09-15 |
Family
ID=9362165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19880403331 Expired - Lifetime EP0326772B1 (en) | 1988-01-07 | 1988-12-26 | Releasing relay with spitting remote sensing-element |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0326772B1 (en) |
DE (1) | DE3884179T2 (en) |
FR (1) | FR2625834B1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE144353T1 (en) * | 1993-08-31 | 1996-11-15 | Maier & Cie C | RESIDUAL CURRENT PROTECTED SOCKET |
GB9414873D0 (en) * | 1994-07-23 | 1994-09-14 | Delta Circuits Protection | Current imbalance sensor |
DE102011052809A1 (en) * | 2011-08-18 | 2013-03-14 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Mounting arrangement for parking assistance sensor used in motor vehicle, has housing portions that are provided with electrical connection units and guide surfaces which are connected at junction box portion |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7105414U (en) * | 1971-02-13 | 1971-05-06 | Bbc Ag | Multipole residual current circuit breaker |
CH617530A5 (en) * | 1977-06-30 | 1980-05-30 | Bbc Brown Boveri & Cie | Current transformer arrangement with a terminal connection at the primary side for connection to the secondary winding of a main current transformer to be connected upstream |
DE2834327C2 (en) * | 1978-08-04 | 1983-01-13 | Heinrich Kopp Gmbh & Co Kg, 8756 Kahl | Full electrical circuit breaker |
FR2466884A1 (en) * | 1979-09-27 | 1981-04-10 | Socapex | CONNECTING PIPE FOR ELECTRIC CIRCUITS, AND CIRCUIT PROVIDED WITH SUCH A PITCH |
-
1988
- 1988-01-07 FR FR8800180A patent/FR2625834B1/en not_active Expired - Fee Related
- 1988-12-26 DE DE19883884179 patent/DE3884179T2/en not_active Expired - Fee Related
- 1988-12-26 EP EP19880403331 patent/EP0326772B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0326772A1 (en) | 1989-08-09 |
FR2625834B1 (en) | 1990-09-07 |
DE3884179D1 (en) | 1993-10-21 |
DE3884179T2 (en) | 1994-04-07 |
FR2625834A1 (en) | 1989-07-13 |
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