EP2725664B1 - Prise protégée contre le courant différentiel - Google Patents

Prise protégée contre le courant différentiel Download PDF

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Publication number
EP2725664B1
EP2725664B1 EP13172947.7A EP13172947A EP2725664B1 EP 2725664 B1 EP2725664 B1 EP 2725664B1 EP 13172947 A EP13172947 A EP 13172947A EP 2725664 B1 EP2725664 B1 EP 2725664B1
Authority
EP
European Patent Office
Prior art keywords
plug socket
socket
socket according
carrier
front side
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.)
Active
Application number
EP13172947.7A
Other languages
German (de)
English (en)
Other versions
EP2725664A1 (fr
Inventor
Eric Kuttruff
Juerg Pfister
Thomas Busenhart
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Schweiz AG
Original Assignee
ABB Schweiz AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ABB Schweiz AG filed Critical ABB Schweiz AG
Priority to EP13172947.7A priority Critical patent/EP2725664B1/fr
Publication of EP2725664A1 publication Critical patent/EP2725664A1/fr
Application granted granted Critical
Publication of EP2725664B1 publication Critical patent/EP2725664B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
    • H01R13/7135—Structural association with built-in electrical component with built-in switch the switch being a safety switch with ground fault protector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/512—Bases; Cases composed of different pieces assembled by screw or screws
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall
    • H01R24/78—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall with additional earth or shield contacts

Definitions

  • the present invention relates to a fault-protected socket according to the introductory part of claim 1.
  • a socket prevents electrical accidents and fires in electrical installations and is due to different legal regulations from country to country in general different.
  • This socket contains a housing which accommodates modular units of a socket and a residual current circuit breaker, such as sockets, a contact arrangement with at least one switching point formed by two switching pieces, a summation current transformer, a magnetic release, a switching mechanism with a one pawl having switching mechanism and a test circuit.
  • the modular units are held by a plate-shaped support body, which is aligned parallel to the two end faces of the socket and supported on a bottom-facing end face.
  • the object is to provide a fault-protected socket of the type mentioned above, which is characterized by a compact design and can be manufactured in a simple and cost-effective manner.
  • a fault-proof socket is provided with a multi-part, an installation device bearing housing for receiving a residual current circuit breaker and of Sockets for a power consumer and terminals for a power supply network.
  • a front side of the socket forming the first part of the housing is designed as a socket carrier and has a structurally executed in the interior of the housing mounting side on which the residual current circuit breaker and the sockets are held.
  • the front side of the socket forming housing part is designed as a socket carrier and carries the residual current circuit breaker and the sockets, eliminates the need in the prior art, arranged in the interior of the socket housing and parallel to the front and the bottom of the socket aligned plate-shaped support body. Because in particular the residual current circuit breaker and the sockets can be positioned and mounted on the socket carrier during assembly of the fault-protected socket from the mounting side, in contrast to known sockets can be dispensed with a turning of the socket carrier during installation of the socket.
  • the socket carrier therefore allows the production of various sockets such as SCHUKO, Switzerland type 13 and 23, France and others.
  • the basic geometry of the socket carrier, the housing and the particularly space consuming switching mechanism therefore always remain the same for different sockets.
  • the interior of the housing is dimensioned the same in all embodiments of the inventive socket, the same modular units of switching mechanism, test circuit, summation current transformer, sockets and terminals can be installed for all embodiments.
  • the mounting side may have two separate recesses, of which the first receives a current transformer and the second a switching mechanism of the residual current circuit breaker.
  • a wall of the socket carrier separating the two recesses may be designed as a socket holder and may have at least two chambers communicating with the front side.
  • the two chambers can each accommodate one of the sockets, wherein the receptacle received by the first chamber with a phase or a neutral conductor and the receptacle received by the second chamber with a neutral or a phase conductor of the power supply network is connectable.
  • the socket holder may have two guided to the edge of the socket carrier end portions. Both end portions may each have a perpendicular to the front aligned bore in which a bolt of the installation device is arranged.
  • the bolt may be part of a screw or rivet connection for fixing the installation device to the socket carrier.
  • the bolt may be designed as a set screw and may have an operable from the front screw head, on which a tiltably mounted claw of the installation device is supported.
  • a communicating with the front side third chamber may be formed, which receives a socket of a protective conductor.
  • a communicating with the front side third chamber may be formed, which receives a portion of a bolt connection for a designed as a bracket or as a pin plug contact of a protective conductor.
  • the front side of the socket carrier may have a central area and a section extending over the central area border. in the At least three openings may be arranged in the central area, of which the first is the passage of the phase or neutral conductor, the second of the implementation of the neutral or phase conductor and the third of the implementation of a protective conductor.
  • a fourth opening containing a mounting insert for securing a socket cover.
  • two extending perpendicular to the front of the socket material recesses may be formed for receiving in each case one of two retaining arms of the installation device.
  • Two sleeves can be formed on the border, of which the first is the implementation of a button for actuating the switching mechanism and the second is the implementation of a button for actuating a test circuit of the residual current circuit breaker.
  • the connecting terminals of a phase conductor, a neutral conductor and a protective conductor of the power supply network serving terminals are arranged.
  • These chambers can be arranged between the summation current transformer and the bottom of the socket.
  • openings may be arranged for receiving actuators for opening and closing the terminals.
  • the lateral surface forming wall portion of the second housing part may also be formed two openings for the passage of each one of two mounting claws of the installation device.
  • On the second housing part can form a bottom of the socket forming the third housing part with openings for receiving fastening bolts, which are guided by the second housing part in the socket carrier.
  • FIGS. 1 to 3 corresponds to the legal regulations of Switzerland
  • FIGS. 4 resp. 5 the legal regulations of Germany resp. France correspond.
  • FIGS. 1, 2 and 3 all three embodiments include one of the FIGS. 1, 2 and 3 respectively.
  • the two FIGS. 4 and 5 apparent housing 10 made of an electrically insulating material. This is composed of three slightly different, with respect to their dimensioning and fit but the same housing parts 11, 12 and 13.
  • the three housing parts are made by four out of the Figures 2 and 3 apparent screws 14 held together to form positive locking.
  • the screws acting as a bolt 14 are guided by the housing part 13 forming the bottom of the socket via the central housing part 12 which largely forms the lateral surface of the socket to the housing part 11 forming the front side 80 of the socket.
  • Through holes 15 in the housing parts 13 ( Figure 3 ) and 12 serve to guide the screws 14 and shield them from the interior of the housing 10.
  • the housing part 11 has a female thread 16 for each of the four screws 14 (FIG. Figure 6 ).
  • an installation device 20 is attached to the housing 10, which serves to install the socket in a wall.
  • the installation device 20 is formed differently in the three embodiments. According to the embodiment of the FIGS. 1 to 3 it may have two separate holding arms 21a and 21b. According to the embodiments of the FIGS. 4 respectively. 5, it has a mounting frame 22 with two retaining arms, of which only the retaining arm 21b can be seen on and two tiltably held on the housing 10 mounting claws 23rd
  • Fig. 3 is shown as representative of all embodiments, takes the housing 10 with a consumer electrically conductively connectable sockets 30 and electrically connectable to a power supply connection terminals 40 and a residual current circuit breaker 50 which contains independently producible and easy to mount components, such as in particular a switching mechanism 51 with Fixed contacts a Switching point, a test circuit 52 and a summation current transformer 53 having a power terminals and movable contacts of the switching point-containing primary winding.
  • a switching mechanism 51 with Fixed contacts a Switching point, a test circuit 52 and a summation current transformer 53 having a power terminals and movable contacts of the switching point-containing primary winding.
  • a space-saving and rapid installation of the sockets and the residual current circuit breaker is made possible by the fact that the front side of the socket forming housing part 11 is designed as a socket carrier and a lying inside the housing 10 structured, d. H. Elevations and depressions, walls, cavities, wall openings and openings containing mounting side 60, at which the modular components formed from residual current circuit breaker 50 and the sockets 30 are held.
  • the mounting side 60 of the socket carrier 11 has two by a wall 70 separate recesses 61, 62.
  • the recess 62, respectively. 61 is suitable sized to modular units, such as the summation current transformer 53, respectively.
  • the switching mechanism 51 and the test circuit 52 of the residual current circuit breaker 50 record and support.
  • the wall serves as a holder 70 of the sockets 30 and has three with the front 80 of the socket, respectively. of the socket carrier 11 communicating chambers 71a, 71b and 71c, of which the chamber 71a a socket 30a of a phase or neutral conductor, the chamber 71b a socket 30b of a protective conductor and the chamber 71c a socket 30c of a neutral or phase conductor receives (from Fig.1 visible).
  • the conductor which can be connected to the socket 30a is a phase conductor
  • the conductor which can be connected to the socket 30c is a neutral conductor and, conversely, the conductor which can be connected to the socket 30a is a neutral conductor
  • the conductor which can be connected to the socket 30c is a phase conductor.
  • the socket holder 70 has two guided to the edge of the socket carrier 11 end portions 72a and 72b. In both end portions, one perpendicular to the front 80 is aligned in each case Bore 73a resp. 73b formed. In the edge of the socket carrier 11 are two perpendicular to the front 80 aligned, respectively to one of the end portions 72 a, respectively. 72b extended material recesses 81a resp. 81b formed.
  • the front side 80 of the socket carrier 11 has a central region 82 and a section 83 projecting beyond the central region.
  • Formed on the border 83 are two sleeves 83a and 83b, of which the sleeve 83a serves to carry out a key 51a for actuating the switching mechanism 51 and the sleeve 83b to carry out a key 52a for actuating the test circuit 52.
  • In the central region 82 three communicating with the chambers 71a, 71b and 71c openings 84a, 84b and 84c are arranged, which serve to carry out the plug contacts of a connector connected to the consumer.
  • a fourth opening 84d is provided, which contains a mounting insert 85 for attaching a socket outlet, not shown in these figures.
  • the chamber 71b takes a portion of one of the FIGS. 4 and 5 apparent bolt connection 86 for a bracket 87 ( Figure 4 ) or as pin 88 ( Figure 5 ) formed plug contact of the protective conductor.
  • This bolt can also be used for attaching a socket outlet, not shown in these figures.
  • these two embodiments have two setscrews, each with a screw head 89 which can be actuated from the front 80.
  • FIGS. 7 or 8 illustrated housing part 12 of the embodiment according to the FIGS. 1 to 3 respectively. of the two embodiments according to the FIGS. 4 or 5 is predominantly hollow and has three chambers 41 located in its interior, in which the not shown off Figure 3 apparent terminals 40 for connecting one of the phase conductors, the protective conductor and the neutral conductor of the power supply network arranged are. To save space, these three chambers between the summation current transformer 53 and serving as the bottom of the socket housing part 13 are arranged. In a wall portion of the housing part 12 which forms the lateral surface of the housing 10, the housing wall has openings 42 which provide access to actuators 43 (FIG. FIGS. 1, 2 . 4 and 5 ) to open and close the terminals.
  • actuators 43 FIG. FIGS. 1, 2 . 4 and 5
  • the terminals 40 may be formed as double terminals, as can be seen for each terminal two holes 13 a are guided through the bottom of the socket formed by the housing part 13.
  • the two holding arms 21a and 21b of the installation device 20 in the in Figure 6 shown socket carrier 11 is inserted and respectively by means of a bore 73a respectively.
  • a substantially the switching mechanism 51 comprehensive assembly is stored in the recess 61, wherein the key 51a of the switching mechanism 51 is guided by sleeve 53a to the front 80.
  • the summation current transformer 53 is mounted in the recess 62.
  • a construction comprising the test circuit 52 and a circuit of the secondary winding of the summation current transformer is positioned in the recess 61 on the switching mechanism 51. It will be like that Figure 9 apparent level of production of the socket reached.
  • the sockets 30a, 30b and 30c are sequentially positioned in the chambers 71a, 71b and 71c and the bottom of the socket facing side of the chambers with the insulating cover, not shown completed.
  • the socket carrier 11 On the so-stocked socket carrier 11 then the majority of the lateral surface of the socket forming housing part 12 is pushed.
  • the terminals 40 can now in the chambers 41 positioned and the housing 10 are closed by placing the housing part 13 and bolting the three housing parts.
  • the same components such as switching mechanism 51, test circuit 52, current transformer 53, sockets 50a and 50c and terminals 40 can be installed for all embodiments.
  • the maximum dimensioning of the socket (installation depth) from the front to the floor is limited by regulations and therefore can not be exceeded. Due to the fact that the housing part forming the front side 80 of the socket is designed as a socket carrier and carries the residual current circuit breaker and the sockets, however, a plate-shaped supporting body arranged in the interior of the socket housing and oriented parallel to the front side 80 and to the bottom of the socket is dispensed with in the prior art ,

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Breakers (AREA)

Claims (20)

  1. Socle de prise électrique avec protection contre les courants différentiels, comprenant un boîtier (10) en plusieurs parties supportant un dispositif d'installation (20) et destiné à accueillir un disjoncteur à courant différentiel (50) ainsi que des douilles à enfichage (30, 30a, 30b, 30c) pour un récepteur de courant et des bornes de raccordement (40) pour un réseau d'alimentation électrique, caractérisé en ce qu'une première partie du boîtier (10) qui forme le côté avant (80) du socle de prise électrique est réalisée sous la forme d'un porte-socle de prise électrique (11) et possède un côté de montage (60) de configuration structurée qui se trouve à l'intérieur du boîtier, au niveau duquel sont maintenus le disjoncteur à courant différentiel et les douilles à enfichage.
  2. Socle de prise électrique selon la revendication 1, caractérisé en ce que le côté de montage (60) possède deux enfoncements (61, 62) séparés l'un de l'autre, dont le premier (62) accueille un convertisseur de courant résiduel (53) et le deuxième (61) un mécanisme de commutation (51) du disjoncteur à courant différentiel.
  3. Socle de prise électrique selon la revendication 2, caractérisé en ce qu'une paroi du porte-socle de prise électrique (11) qui sépare les deux enfoncements (61, 62) est réalisée sous la forme d'un support de douille à enfichage (70) et possède au moins deux chambres (71a, 71c) qui communiquent avec le côté avant, et en ce que les deux chambres accueillent respectivement l'une des douilles à enfichage (30a, 30c), la douille à enfichage (30a) accueillie par la première chambre (71a) pouvant être reliée à un conducteur de phase ou un conducteur de neutre et la douille à enfichage (30c) accueillie par la deuxième chambre (71c) à un conducteur de neutre ou de phase du réseau d'alimentation électrique.
  4. Socle de prise électrique selon la revendication 3, caractérisé en ce que le support de douille à enfichage (70) possède deux portions d'extrémité (72a, 72b) s'étendant au niveau du bord du porte-socle de prise électrique (11).
  5. Socle de prise électrique selon la revendication 4, caractérisé en ce que les deux portions d'extrémité (72a, 72b) possèdent respectivement un perçage (73a, 73b) orienté perpendiculairement par rapport au côté avant (80), dans lequel est disposé un boulon du dispositif d'installation (20).
  6. Socle de prise électrique selon la revendication 5, caractérisé en ce que le boulon fait partie d'un assemblage vissé servant à fixer le dispositif d'installation au porte-socle de prise électrique.
  7. Socle de prise électrique selon la revendication 5, caractérisé en ce que le boulon est réalisé sous la forme d'une vis de blocage et possède une tête de vis (89) qui peut être actionnée depuis le côté avant, sur laquelle prend appui une griffe (23) montée basculante du dispositif d'installation.
  8. Socle de prise électrique selon l'une des revendications 3 à 6, caractérisé en ce qu'une troisième chambre (71b) qui communique avec le côté avant (80) est façonnée dans le support de douille à enfichage (70), laquelle accueille une douille à enfichage (30b) d'un conducteur de protection.
  9. Socle de prise électrique selon la revendication 7, caractérisé en ce qu'une troisième chambre (72b) qui communique avec le côté avant (80) est façonnée dans le support de douille à enfichage (70), laquelle accueille une portion d'un assemblage à boulon (86) pour un contact à enfichage, réalisé sous la forme d'un étrier (87) ou d'une broche (88), d'un conducteur de protection.
  10. Socle de prise électrique selon l'une des revendications 5 à 9, caractérisé en ce que le côté avant (80) du porte-socle de prise électrique (11) possède une zone centrale (82) et une bordure (83) qui, dans certaines portions, fait saillie au-dessus de la zone centrale (82), et en ce que dans la zone centrale (82) sont disposées au moins trois ouvertures (84a, 84b, 84c), dont la première (84a) sert au passage du conducteur de phase ou de neutre, la deuxième (84c) au passage du conducteur de neutre ou de phase et la troisième (84b) au passage d'un conducteur de protection.
  11. Socle de prise électrique selon la revendication 10, caractérisé en ce qu'une quatrième ouverture (84d) se trouve dans la zone centrale (82), laquelle contient un insert de montage (85) servant à la fixation d'un cache de socle de prise électrique.
  12. Socle de prise électrique selon l'une des revendications 10 ou 11, caractérisé en ce que deux évidements de matériau (81a, 81b) qui s'étendent perpendiculairement au côté avant (80) du socle de prise électrique sont façonnés dans le bord du porte-socle de prise électrique (11), lesquels sont destinés à accueillir respectivement l'un de deux bras de maintien (21a, 21b) du dispositif d'installation (20).
  13. Socle de prise électrique selon l'une des revendications 10 à 12, caractérisé en ce que deux manchons (83a, 83b) sont façonnés sur la bordure (83), dont le premier (83a) sert au passage d'une touche (51a) destinée à actionner le mécanisme de commutation (51) et le deuxième (83b) au passage d'une touche (52a) destiné à actionner un circuit de courant d'essai (52) du disjoncteur à courant différentiel (50).
  14. Socle de prise électrique selon l'une des revendications 1 à 13, caractérisé en ce qu'une deuxième partie de boîtier (12) qui forme la partie principale de l'enveloppe du socle de prise électrique est coulissée sur le porte-socle de prise électrique (11) et le dispositif d'installation (20).
  15. Socle de prise électrique selon la revendication 14, caractérisé en ce que des chambres (41) qui se trouvent à l'intérieur du socle de prise électrique sont façonnées dans la deuxième partie de boîtier (12), dans lesquelles sont disposées les bornes de raccordement (40) servant au raccordement d'un conducteur de phase, d'un conducteur de neutre et d'un conducteur de protection du réseau d'alimentation électrique.
  16. Socle de prise électrique selon la revendication 15, caractérisé en ce que les chambres (41) sont disposées entre le convertisseur de courant résiduel (53) et le fond du socle de prise électrique.
  17. Socle de prise électrique selon l'une des revendications 14 à 16, caractérisé en ce que des traversées de paroi (42) servant à accueillir des éléments d'actionnement (43) destinés à ouvrir et à fermer les bornes de raccordement (40) sont disposées dans une portion de paroi de la deuxième partie de boîtier (12) formant l'enveloppe.
  18. Socle de prise électrique selon l'une des revendications 14 à 17, caractérisé en ce que deux ouvertures (44) servant respectivement au passage de l'une de deux griffes de montage (23) du dispositif d'installation (20) sont façonnées dans une portion de paroi de la deuxième partie de boîtier (12) formant l'enveloppe.
  19. Socle de prise électrique selon l'une des revendications 14 à 18, caractérisé en ce qu'une troisième partie de boîtier (13) formant le fond du socle de prise électrique repose sur la deuxième partie de boîtier (12), comprenant des ouvertures (15) destinées à accueillir des boulons de fixation (14) qui sont passés dans le porte-socle de prise électrique (11) à travers la deuxième partie de boîtier (12).
  20. Socle de prise électrique selon l'une des revendications 1 à 19, caractérisé en ce que le disjoncteur à courant différentiel (50) et les douilles à enfichage (30, 30a, 30b, 30c) peuvent être positionnés et montés au niveau du porte-socle de prise électrique (11) depuis le côté de montage (60) lors du montage du socle de prise électrique avec protection contre les courants différentiels.
EP13172947.7A 2012-10-24 2013-06-20 Prise protégée contre le courant différentiel Active EP2725664B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13172947.7A EP2725664B1 (fr) 2012-10-24 2013-06-20 Prise protégée contre le courant différentiel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP12189790 2012-10-24
EP13172947.7A EP2725664B1 (fr) 2012-10-24 2013-06-20 Prise protégée contre le courant différentiel

Publications (2)

Publication Number Publication Date
EP2725664A1 EP2725664A1 (fr) 2014-04-30
EP2725664B1 true EP2725664B1 (fr) 2019-10-09

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202021003976U1 (de) 2021-02-03 2022-03-10 Goodville Gmbh Schaltbare Steckdose und System mit einer schaltbaren Steckdose
DE102022002140A1 (de) 2022-06-14 2023-12-14 Torsten Gross Elektrische Installationsanordnung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2256585A1 (de) * 1971-11-17 1973-05-30 Saparel Stromanschluss mit differentialschutz
WO2003100940A2 (fr) * 2002-05-23 2003-12-04 Protectconnect,Inc. Systeme de distribution electrique a module de securite
WO2009056157A1 (fr) * 2007-11-02 2009-05-07 Abb Parent Gmbh Système modulaire pour la formation de prises de courant
CN201556801U (zh) * 2009-06-30 2010-08-18 惠州电道科技有限公司 一种智能防火插座

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2546868C2 (de) * 1975-10-18 1983-01-13 Brown, Boveri & Cie Ag, 6800 Mannheim Fehlerstromschutzschalter mit elektrischer Steckdose
ATE144353T1 (de) * 1993-08-31 1996-11-15 Maier & Cie C Fehlerstromgeschützte steckdose
DE19936056A1 (de) * 1999-07-30 2001-02-01 Maier & Cie C Fehlerstromgeschützte Steckvorrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2256585A1 (de) * 1971-11-17 1973-05-30 Saparel Stromanschluss mit differentialschutz
WO2003100940A2 (fr) * 2002-05-23 2003-12-04 Protectconnect,Inc. Systeme de distribution electrique a module de securite
WO2009056157A1 (fr) * 2007-11-02 2009-05-07 Abb Parent Gmbh Système modulaire pour la formation de prises de courant
CN201556801U (zh) * 2009-06-30 2010-08-18 惠州电道科技有限公司 一种智能防火插座

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