EP2117028B1 - Modular electrical device - Google Patents

Modular electrical device Download PDF

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Publication number
EP2117028B1
EP2117028B1 EP09354014A EP09354014A EP2117028B1 EP 2117028 B1 EP2117028 B1 EP 2117028B1 EP 09354014 A EP09354014 A EP 09354014A EP 09354014 A EP09354014 A EP 09354014A EP 2117028 B1 EP2117028 B1 EP 2117028B1
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EP
European Patent Office
Prior art keywords
connection
opening
terminal
phase
neutral
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EP09354014A
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German (de)
French (fr)
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EP2117028A1 (en
Inventor
Nicolas Bernard
Frédéric Stoeckle
Bernard Lebeau
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Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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Priority to PL09354014T priority Critical patent/PL2117028T3/en
Publication of EP2117028A1 publication Critical patent/EP2117028A1/en
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Publication of EP2117028B1 publication Critical patent/EP2117028B1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2675—Electrical interconnections between two blocks, e.g. by means of busbars
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08—Terminals; Connections
    • H01H71/082—Connections between juxtaposed circuit breakers

Definitions

  • the invention relates to the field of modular electrical devices comprising at least two modules, in particular devices comprising a differential function and at least one cutoff function.
  • the invention relates to a modular electrical device intended to be removably attached to a linear support and to be connected by means of a connecting comb or electrical conductor, said device comprising a housing comprising a rear face fixing to said support, two main faces substantially parallel to each other and perpendicular to the rear face by which said housing can be coupled with other devices of the same type, and two connecting faces on each of which open a neutral terminal and at least a phase terminal, said device comprising at least two modules having a predetermined width defining a connection pitch, said modules being separated from each other by a separation plane substantially parallel to the main faces, the or each phase terminal having an opening on to minus one of the connecting faces aligned on an axis of connection coincides with the axis of the connecting comb, said opening of the or each phase terminal being disposed at a distance from the opening of another phase terminal of the same device or of another device (21 -25) mounted on the same support equal to an integer number of connection steps.
  • Modular electrical devices generally have on their connection faces phase terminals and possibly neutral terminals arranged at equal distances in a given connection pitch.
  • the connection pitch corresponds to the minimum distance between each terminal of devices mounted on the same support.
  • the terminals of a modular device of a given type can be connected by means of a connecting comb having a connection pitch adapted to this type of modular device.
  • This pre-established order of the terminals defining the type of modular devices generally imposes the use of a connecting comb having teeth distributed in this order.
  • the modular devices of the same type can be connected using a specific connection comb having a distribution of teeth adapted to this type of device.
  • the mixture or, according to the commonly used expression, the mixing of different types of modular devices on the same linear support and the connection of these devices using a comb with a predetermined distribution of teeth can therefore pose a problem.
  • modules comprising a module dedicated to an auxiliary function having no connection terminal, for which the problem of mixing has been solved by equipping the terminal-free module with a location or an intended to receive the tooth of a connecting comb vis-à-vis with said module.
  • This solution avoids having to break the tooth of the comb vis-à-vis with the module free terminal connection.
  • connection terminals on at least one of the connection faces there is also a range of modular devices for which the position of the connection terminals on at least one of the connection faces has been modified to solve the mixing problem.
  • Such devices are described in particular in the French patent application FR2787238 and are also provided with locations for receiving comb teeth.
  • Modular devices of this range generally comprise, for each module and on at least one connection face, a terminal and a location distributed on two different levels depending on the depth of the housing. A first level is dedicated to the neutral terminals and a second level is dedicated to the phase terminals. It is therefore possible to connect the terminals of several modular devices of this range by means of a comb or two combs having teeth distributed over two connecting axes, each connecting pin being aligned with the terminals or the locations of each of the two levels.
  • the modular devices of this range which include neutral terminals can be connected by means of connection combs with modular devices of the same range but having no neutral terminal.
  • the modular devices used on these installations generally comprise phase terminals centered on a median plane of each module which are connected by means of a single connecting comb having a single connection axis.
  • a modular device comprising a neutral terminal on such an installation such as a differential circuit breaker, poses a mixing problem. Indeed, not only the comb tooth vis-à-vis with the neutral terminal must be broken, but the connection of this neutral terminal with a driver does not guarantee the electrical insulation of the neutral by compared to the phases.
  • a problem of the invention is to provide a modular device comprising a neutral terminal that can be mixed with other modular devices compatible with the installations for which it is not planned to cut the neutral, on the same linear support, all allowing connection of the neutral terminal via a separate conductor.
  • the invention aims to remedy the technical problems of modular electrical devices of the prior art by proposing a modular electrical device intended to be releasably fixed on a linear support and to be connected by means of a connecting comb, said device comprising a housing comprising a rear face of attachment to said support, two principal faces substantially parallel to each other and perpendicular to the rear face by which said housing can be joined with other devices of the same type, and two connection faces on each of which open a neutral terminal and at least one phase terminal, said device comprising at least two modules having a predetermined width defining a no connection, said modules being separated from each other by a separation plane substantially parallel to the main faces, the or each phase terminal having an opening on at least one of the connection faces aligned on a connection axis coincides with the axis of the connecting comb, said opening of the or each phase terminal being available at a distance from the opening of another phase terminal of the same device or of another device mounted on the same support equal to an integer number of connection steps, the device being characterized in that the
  • the opening of the neutral terminal is offset towards the rear face with respect to the connection axis.
  • the device comprises a number of terminals opening on each connection face less than or equal to the number of modules.
  • the opening of the or each phase terminal opening on said connection face is entirely comprised in a portion of said face delimited by the separation planes between each module.
  • the device comprises a location opening on said connection face intended to receive a tooth of a connecting comb, said location having an opening aligned with the connection axis and disposed at a distance from the opening another phase terminal of the same device or of another device mounted on the same support equal to an integer number of connection steps.
  • the or each phase terminal and the emerging location on said connection face comprise an axis of insertion of a comb tooth included in a median plane of each module parallel to the main faces.
  • the or each phase terminal and the neutral terminal are cage terminals.
  • the cage terminals comprise clamping screws, the heads of which are accessible via ducts opening onto the front face of said device.
  • the ducts have openings on the front face aligned on a screw axis.
  • the front face comprises parts offset according to the depth of the device, one of said parts comprising a control handle, and another of said parts having the openings giving access to the heads of the clamping screws.
  • the modular device is a unipolar and neutral type differential protection device comprising a breaking module and a differential protection module.
  • the modular device 1 shown in FIG. figure 1 is a differential circuit breaker comprising a cut-off module 2 of a single phase and a neutral, and a differential protection module 3.
  • Each of these modules has a predetermined width L according to the modularity of the modular device.
  • This modularity is defined in relation to standards, such as for example the "UTE C 61-920" standard.
  • the case of the differential circuit breaker comprises a front face 4, provided with a control handle 5, and a rear face 6 opposite to said front face and equipped with means for fixing to a linear support, such as for example a mounting rail.
  • the box also comprises two main faces 7, 8, only one of which is visible, said faces being substantially parallel to each other and perpendicular to the rear face.
  • the box also comprises two connecting faces 9, 10, of which only the referenced face 9 is visible.
  • the differential circuit breaker 1 is represented on the figure 2 with other modular devices 21, 22, 23, 24, 25 removably attached to a non-visible mounting rail.
  • these other modular devices comprise a single module having a width identical to the predetermined width L of the modules of the differential circuit breaker 1 and are joined together by their main faces.
  • These other modular devices represented in figure 2 are in fact five single-phase circuit breakers, each circuit breaker having a single-phase breaking module.
  • the two modules of the differential circuit breaker 1 are separated from each other by a separation plane 26 substantially parallel to the main faces of the housing.
  • This separation plan can be virtual. This plan of separation is often materialized by a partition.
  • the separation planes of each module of the modular devices mounted on the same linear support are separated by the predetermined width L.
  • connection faces 9 and 10 Generally, on each of the connection faces of the modular devices open a neutral terminal and as many phase terminals as phases.
  • the differential circuit breaker 1 has two neutral terminals and two phase terminals opening on the connection faces 9 and 10.
  • Modular devices often have two connecting faces.
  • one of the connection faces is dedicated to the input terminals and the other connection face is dedicated to the output terminals.
  • modular devices of this type comprise a number of terminals opening on each connection face equal to the number of modules. This is the case of the differential circuit breaker 1 which has two modules and therefore two terminals on each connection face.
  • the modular devices may also comprise, by connection face, a number of terminals less than the number of modules. This is the case, for example, of modular devices comprising one or more auxiliary modules free of connection terminal.
  • the connection face may comprise, at the level of the auxiliary modules, locations or recesses for receiving the comb teeth vis-a-vis with these modules, which avoids breaking said teeth.
  • connection face 9 open a neutral terminal 31 and a phase terminal 32.
  • the neutral terminal 31 and the phase terminal 32 comprise openings respectively referenced 33 and 34.
  • Modular devices mounted on the same linear support can generally be connected, on at least one of their connecting faces, via a connecting comb.
  • the modular devices 1, 21-25 are connected via a comb 35 having a series of teeth 36.
  • the modular devices are of the single-phase type and each tooth of the comb is connected to the single phase .
  • the teeth of the combs, for their part, are connected to the phase by means of an electrical conductor 37.
  • the connection by means of a comb makes it possible to simplify the task of the installer and also makes it easier to understanding of the installation by the user.
  • the opening 34 of the phase terminal 32 opening on the connection face 9, as well as the openings of the phase terminals of the modular devices 21-25, are aligned. on a connection axis 38 parallel to the rear face 6 and therefore parallel to the mounting rail.
  • the opening 34 of the phase terminal of the differential circuit breaker 1 is disposed at a distance from the opening of another phase terminal of another device 21-25 mounted on the same support equal to a whole number
  • the opening 34 has an axial component 39 on the connection axis 38.
  • This component is defined with respect to an origin corresponding to one of the axial components 40, 41, 42, 43, 44 of the phase terminal of any other device 21, 22, 23, 24, 25 mounted on the same rail. In other words, this component is defined by the position of any tooth of the connecting comb.
  • This axial component 39 on the connection axis 38 of the opening 34 of the phase terminal of the differential circuit breaker 1 is substantially equal to an integer number of connection pitch P, the latter being substantially equal to the predetermined width L of each module.
  • the opening 33 of the neutral terminal 31 of the circuit breaker differential 1 opening on the connecting face 9 is offset relative to the connection axis 38.
  • the opening 33 of the neutral terminal 31 is offset towards the rear face relative to the connection axis 38. This withdrawal towards the rear face of the opening 33 of the neutral terminal 31 allows the use of a connecting comb such as the one shown on the figures 3 and 4 , ie a connecting comb having a main portion 51 facing the front faces 4 of the modular devices.
  • the opening 33 of the neutral terminal 31 passes through the separation plane 26 between the two modules 2 and 3.
  • the opening 33 of the neutral terminal 31 extends on either side of the separation plane 26 between the two modules 2 and 3.
  • This arrangement of the neutral terminal allows the connection of the phase terminals of all the modular devices mounted on the same linear support through the teeth 36 of the connecting comb 35 without blocking the opening 33 of the neutral terminal 31.
  • it is possible to connect the neutral terminal with the aid of an electrical conductor 52 Surprisingly, the fact of deporting the neutral terminal of the differential circuit breaker in a zone straddling two modules does not hinder the proper functioning of each of these modules.
  • connection face 9 of the differential circuit breaker 1 has a location for accommodating this tooth of the comb.
  • This location is generally an obvious 61.
  • This location has an opening aligned with the connection axis (38) and disposed at a distance from the opening of another phase terminal of the same device or other device. (21-25) mounted on the same support equal to an integer number of connection steps.
  • phase terminal 32 and the slot 61 opening on the connection face 9 have insertion pins respectively referenced 62, 63. These axes of insertion define the displacement in translation of a tooth a connecting comb or a simple electrical conductor to make the connection.
  • the insertion axes of the phase terminal 32 and the location 61 are respectively in the median planes 65 and 66. This arrangement of the phase terminal 32 and the slot 61 allows the mixing of differential device with other devices without neutral under the same connection comb.
  • phase and neutral terminals of the differential circuit-breaker 1 can also be connected via the electrical conductors 69, 70.
  • the phase terminal of the circuit-breaker 21 shown in FIG. figure 4 the phase terminal of the circuit breaker 1 can be connected to both a tooth of a connecting comb and an electrical conductor. This can be interesting when the GFCI 1 is disposed at the end of the mounting rail, which allows to connect all the teeth of the comb to the phase or to one of the phases.
  • the opening of the phase terminal opening on the connection face 9 is completely comprised in a portion of said face delimited by the separation plane 26 between each module. Unlike the opening of the neutral terminal, the separation plane 26 does not pass through the opening of the phase terminal.
  • This arrangement makes it possible to position each module vis-a-vis with the phase terminals with which it is associated and therefore with the tooth of the comb to which it is connected.
  • This arrangement is particularly advantageous in the case of modular devices comprising several phases. Indeed, in this case, each opening of the phase terminals is disposed in the median plane of the module with which it is associated. This allows the installer to discern at a glance the phase to which each module is connected.
  • the differential circuit breaker 1 comprises a phase circuit 71 extending between the phase terminal 32 on one of the connection faces and another phase terminal 72 on the other connection face.
  • the phase terminal 32 may be described as a phase input terminal and the phase terminal 72 may be described as a phase output terminal.
  • the differential circuit breaker 1 also comprises a neutral circuit 73 extending between the neutral terminal 31 described as a neutral input terminal and a neutral output terminal 74.
  • the circuit breaker module 2 comprises, on the phase circuit, a thermal trip mechanism 75 and a mechanism of electromagnetic trip 76, as well as two switches 77, 78 interposed on each circuit.
  • the differential protection module 3 comprises, meanwhile, a differential transformer 79 and two primary windings 80, 81 respectively corresponding to the phase circuit and the neutral circuit.
  • the phase input terminal 32 and the location 61 comprise insertion axes included in a median plane 65, 66 of each module.
  • the neutral terminal 31 has been shifted to be disposed in a zone traversed by the separation plane 26 between the two modules 2 and 3. This arrangement makes it possible to house all the elements of the neutral terminal 31 by optimizing the congestion at the connection area. In addition, this arrangement of the neutral terminal 31 straddling two modules does not hinder the functional integrity of each of the modules 2 and 3.
  • the terminals of the differential circuit breaker are cage terminals similar to the terminal referenced 101.
  • the screw heads of the terminals 32, 31, are accessible by conduits 103 and 104 opening on the front face 4 of said device.
  • the arrangement of the neutral terminal in a zone traversed by the separation plane 26 between the two modules 2 and 3 makes it possible, among other things, to pass the conduit 104 from the neutral terminal 31 parallel to the conduit 103 of the phase terminal .
  • the bulk in the connection area associated with the connecting face 9 is optimized.
  • the tightening of the screw of the neutral terminal 31 is facilitated. Indeed, the tightening of this screw can be achieved in the same way as for the phase terminal 32, that is to say by introducing a screwdriver by the front face along a same axis of insertion substantially perpendicular to said front face.
  • the ducts 103, 104 have openings 111, 112 opening on the front face 4 and aligned on a single axis 113. This arrangement of the openings of the ducts 103, 104 on one axis makes it possible to facilitate access to the screw heads at the same time. using a screwdriver and thus facilitates the connection operation.
  • the front face 4 comprises parts that are offset according to the depth of the device.
  • a central portion 114 of the front face has the handle 5 for actuation or control and protrudes from the rest of the front face.
  • Two side portions 115, 116 of the face before 4 comprise the openings 111 and 112 of the access ducts to the heads of the clamping screws of the terminals opening on each of the connecting faces.
  • the differential circuit breaker 1 represented on the Figures 1 to 9 is a unipolar and neutral type differential protection device comprising two modules 2 and 3, the module 2 being a breaking module and the module 3 being a differential module.
  • the device according to the invention can also be a differential protection device comprising a plurality of poles, such as a three-pole and neutral type device comprising three cut-off modules for each phase and a differential protection module.

Landscapes

  • Breakers (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Massaging Devices (AREA)
  • Distribution Board (AREA)

Abstract

The device e.g. differential circuit breaker (1), has a main surface (7) and another main surface that are obviously parallel with respect to each other. A neutral terminal (31) and a phase terminal (32) are opened onto connection surfaces (9, 10). An opening (33) on the connection surface (9) is deported with respect to a connection axis (38), where the opening crosses a separation plane (26) between a neutral and phase cutting module (2) and a differential protection module (3). Each module has a predetermined width based on modularity of the device.

Description

DOMAINE TECHNIQUE DE L'INVENTIONTECHNICAL FIELD OF THE INVENTION

L'invention relève du domaine des dispositifs électriques modulaires comportant au moins deux modules, en particulier des dispositifs comportant une fonction différentielle et au moins une fonction coupure.The invention relates to the field of modular electrical devices comprising at least two modules, in particular devices comprising a differential function and at least one cutoff function.

Plus précisément, l'invention concerne un dispositif électrique modulaire destiné à être fixé de manière amovible sur un support linéaire et à être raccordé à l'aide d'un peigne de raccordement ou de conducteur électrique, ledit dispositif comportant un boitier comprenant une face arrière de fixation audit support, deux faces principales sensiblement parallèles entre elles et perpendiculaires à la face arrière par lesquelles ledit boitier peut être accolé avec d'autres dispositifs du même type, et deux faces de raccordement sur chacune desquelles débouchent une borne de neutre et au moins une borne de phase, ledit dispositif comportant au moins deux modules présentant une largeur prédéterminée définissant un pas de raccordement, lesdits modules étant séparés entre eux par un plan de séparation sensiblement parallèle aux faces principales, la ou chaque borne de phase comportant une ouverture sur au moins l'une des faces de raccordement alignée sur un axe de raccordement confondu avec l'axe du peigne de raccordement, ladite ouverture de la ou chaque borne de phase étant disposée à une distance par rapport à l'ouverture d'une autre borne de phase du même dispositif ou d'un autre dispositif (21-25) monté sur le même support égale à un nombre entier de pas de raccordement.More specifically, the invention relates to a modular electrical device intended to be removably attached to a linear support and to be connected by means of a connecting comb or electrical conductor, said device comprising a housing comprising a rear face fixing to said support, two main faces substantially parallel to each other and perpendicular to the rear face by which said housing can be coupled with other devices of the same type, and two connecting faces on each of which open a neutral terminal and at least a phase terminal, said device comprising at least two modules having a predetermined width defining a connection pitch, said modules being separated from each other by a separation plane substantially parallel to the main faces, the or each phase terminal having an opening on to minus one of the connecting faces aligned on an axis of connection coincides with the axis of the connecting comb, said opening of the or each phase terminal being disposed at a distance from the opening of another phase terminal of the same device or of another device (21 -25) mounted on the same support equal to an integer number of connection steps.

ÉTAT DE LA TECHNIQUESTATE OF THE ART

Les dispositifs électriques modulaires comportent généralement sur leurs faces de raccordement des bornes de phases et éventuellement des bornes de neutre disposées à égales distances selon un pas de raccordement donné. Le pas de raccordement correspond à la distance minimale entre chaque borne de dispositifs montés sur un même support. Ainsi, les bornes d'un dispositif modulaire d'un type donné peuvent être raccordées à l'aide d'un peigne de raccordement comportant un pas de raccordement adapté à ce type de dispositif modulaire.Modular electrical devices generally have on their connection faces phase terminals and possibly neutral terminals arranged at equal distances in a given connection pitch. The connection pitch corresponds to the minimum distance between each terminal of devices mounted on the same support. Thus, the terminals of a modular device of a given type can be connected by means of a connecting comb having a connection pitch adapted to this type of modular device.

Les bornes de phases et éventuellement des bornes de neutre de chaque type de dispositif modulaire sont généralement disposées selon un ordre prédéterminé. A titre d'exemples, les dispositifs modulaires couramment utilisés peuvent être :

  • de type « une phase » 1 P comportant une borne de phase,
  • de type « une phase et un neutre » 1P+N comportant une borne de phase et une borne de neutre,
  • de type « trois phases et un neutre » 3P+N comportant trois bornes de phase et une borne de neutre ou
  • de type « trois phases » 3P comportant trois bornes de phase seulement.
The phase terminals and possibly neutral terminals of each type of modular device are generally arranged in a predetermined order. As examples, the modular devices commonly used can be:
  • of type "a phase" 1 P having a phase terminal,
  • a "phase and neutral" type 1P + N having a phase terminal and a neutral terminal,
  • of the "three-phase and one neutral" type 3P + N having three phase terminals and a neutral terminal or
  • 3P "three phase" type having three phase terminals only.

Cet ordre préétabli des bornes définissant le type de dispositifs modulaires impose généralement l'utilisation d'un peigne de raccordement présentant des dents réparties selon cet ordre. Ainsi, les dispositifs modulaires d'un même type peuvent être raccordés à l'aide d'un peigne de raccordement spécifique ayant une répartition des dents adaptée à ce type de dispositif. Le mélange ou, selon l'expression couramment utilisée, le mixage de différents types de dispositifs modulaires sur un même support linéaire et le raccordement de ces dispositifs à l'aide d'un peigne ayant une répartition des dents préétablie peut donc poser un problème.This pre-established order of the terminals defining the type of modular devices generally imposes the use of a connecting comb having teeth distributed in this order. Thus, the modular devices of the same type can be connected using a specific connection comb having a distribution of teeth adapted to this type of device. The mixture or, according to the commonly used expression, the mixing of different types of modular devices on the same linear support and the connection of these devices using a comb with a predetermined distribution of teeth can therefore pose a problem.

Il existe des dispositifs modulaires comportant un module dédié à une fonction auxiliaire ne comportant pas de borne de raccordement, pour lesquels le problème du mixage a été résolu en équipant le module exempt de borne d'un emplacement ou d'un évidemment destiné à recevoir la dent d'un peigne de raccordement en vis-à-vis avec ledit module. Cette solution permet d'éviter d'avoir à casser la dent du peigne en vis-à-vis avec le module exempt de borne de raccordement.There are modular devices comprising a module dedicated to an auxiliary function having no connection terminal, for which the problem of mixing has been solved by equipping the terminal-free module with a location or an intended to receive the tooth of a connecting comb vis-à-vis with said module. This solution avoids having to break the tooth of the comb vis-à-vis with the module free terminal connection.

Il existe également une gamme de dispositifs modulaires pour lesquels la position des bornes de raccordement sur au moins l'une des faces de raccordement a été modifiée pour résoudre le problème de mixage. De tels dispositifs sont notamment décrits dans la demande de brevet français FR2787238 et sont également équipés d'emplacements destinés à recevoir des dents de peigne. Les dispositifs modulaires de cette gamme comportent généralement, pour chaque module et sur au moins une face de raccordement, une borne et un emplacement répartis sur deux niveaux différents suivant la profondeur du boitier. Un premier niveau est dédié aux bornes de neutre et un deuxième niveau est dédié aux bornes de phase. Il est donc possible de raccorder les bornes de plusieurs dispositifs modulaires de cette gamme à l'aide d'un peigne ou de deux peignes comportant des dents réparties sur deux axes de raccordement, chaque axe de raccordement étant aligné sur les bornes ou les emplacements de chacun des deux niveaux. Ainsi, les dispositifs modulaires de cette gamme qui comportent des bornes de neutre peuvent être raccordés à l'aide de peignes de raccordement avec des dispositifs modulaires de cette même gamme mais ne comportant pas de borne de neutre.There is also a range of modular devices for which the position of the connection terminals on at least one of the connection faces has been modified to solve the mixing problem. Such devices are described in particular in the French patent application FR2787238 and are also provided with locations for receiving comb teeth. Modular devices of this range generally comprise, for each module and on at least one connection face, a terminal and a location distributed on two different levels depending on the depth of the housing. A first level is dedicated to the neutral terminals and a second level is dedicated to the phase terminals. It is therefore possible to connect the terminals of several modular devices of this range by means of a comb or two combs having teeth distributed over two connecting axes, each connecting pin being aligned with the terminals or the locations of each of the two levels. Thus, the modular devices of this range which include neutral terminals can be connected by means of connection combs with modular devices of the same range but having no neutral terminal.

Cependant, cette solution au problème du mixage n'est pas adaptée aux installations ou réseaux pour lesquels il n'est pas prévu de sectionner le neutre ou d'ouvrir le contact du neutre et aux dispositifs électriques modulaires spécifiques à ces installations. En effet, les dispositifs modulaires utilisés sur ces installations comportent généralement des bornes de phase centrées sur un plan médian de chaque module qui sont raccordées à l'aide d'un seul peigne de raccordement comportant un seul axe de raccordement. Ainsi, l'interposition d'un dispositif modulaire comportant une borne de neutre sur une telle installation, tel qu'un disjoncteur différentiel, pose un problème de mixage. En effet, non seulement la dent du peigne en vis-à-vis avec la borne de neutre doit être brisée, mais le raccordement de cette borne de neutre à l'aide d'un conducteur ne garantit pas l'isolation électrique du neutre par rapport aux phases.However, this solution to the problem of mixing is not suitable for installations or networks for which it is not planned to cut the neutral or to open the contact of the neutral and the modular electrical devices specific to these installations. Indeed, the modular devices used on these installations generally comprise phase terminals centered on a median plane of each module which are connected by means of a single connecting comb having a single connection axis. Thus, the interposition of a modular device comprising a neutral terminal on such an installation, such as a differential circuit breaker, poses a mixing problem. Indeed, not only the comb tooth vis-à-vis with the neutral terminal must be broken, but the connection of this neutral terminal with a driver does not guarantee the electrical insulation of the neutral by compared to the phases.

Un problème de l'invention est de fournir un dispositif modulaire comportant une borne de neutre pouvant être mixé avec d'autres dispositifs modulaires compatibles avec les installations pour lesquelles il n'est pas prévu de couper le neutre, sur un même support linéaire, tout en permettant le raccordement de la borne de neutre par l'intermédiaire d'un conducteur séparé.A problem of the invention is to provide a modular device comprising a neutral terminal that can be mixed with other modular devices compatible with the installations for which it is not planned to cut the neutral, on the same linear support, all allowing connection of the neutral terminal via a separate conductor.

EXPOSÉ DE L'INVENTIONSTATEMENT OF THE INVENTION

L'invention vise à remédier aux problèmes techniques des dispositifs électriques modulaires de l'art antérieur en proposant un dispositif électrique modulaire destiné à être fixé de manière amovible sur un support linéaire et à être raccordé à l'aide d'un peigne de raccordement, ledit dispositif comportant un boitier comprenant une face arrière de fixation audit support, deux faces principales sensiblement parallèles entre elles et perpendiculaires à la face arrière par lesquelles ledit boitier peut être accolé avec d'autres dispositifs du même type, et deux faces de raccordement sur chacune desquelles débouchent une borne de neutre et au moins une borne de phase, ledit dispositif comportant au moins deux modules présentant une largeur prédéterminée définissant un pas de raccordement, lesdits modules étant séparés entre eux par un plan de séparation sensiblement parallèle aux faces principales, la ou chaque borne de phase comportant une ouverture sur au moins l'une des faces de raccordement alignée sur un axe de raccordement confondu avec l'axe du peigne de raccordement, ladite ouverture de la ou chaque borne de phase étant disposée à une distance par rapport à l'ouverture d'une autre borne de phase du même dispositif ou d'un autre dispositif monté sur le même support égale à un nombre entier de pas de raccordement, le dispositif étant caractérisé en ce que la borne de neutre comporte une ouverture sur ladite face de raccordement déportée par rapport à l'axe de raccordement, ladite ouverture de la borne de neutre traversant le plan de séparation entre deux modules.The invention aims to remedy the technical problems of modular electrical devices of the prior art by proposing a modular electrical device intended to be releasably fixed on a linear support and to be connected by means of a connecting comb, said device comprising a housing comprising a rear face of attachment to said support, two principal faces substantially parallel to each other and perpendicular to the rear face by which said housing can be joined with other devices of the same type, and two connection faces on each of which open a neutral terminal and at least one phase terminal, said device comprising at least two modules having a predetermined width defining a no connection, said modules being separated from each other by a separation plane substantially parallel to the main faces, the or each phase terminal having an opening on at least one of the connection faces aligned on a connection axis coincides with the axis of the connecting comb, said opening of the or each phase terminal being available at a distance from the opening of another phase terminal of the same device or of another device mounted on the same support equal to an integer number of connection steps, the device being characterized in that the terminal the neutral includes an opening on said remote connection face relative to the connection axis, said opening of the neutral terminal passing through the separation plane between two modules.

De préférence, l'ouverture de la borne de neutre est déportée vers la face arrière par rapport à l'axe de raccordement.Preferably, the opening of the neutral terminal is offset towards the rear face with respect to the connection axis.

De préférence, le dispositif comporte un nombre de bornes débouchant sur chaque face de raccordement inférieur ou égale au nombre de modules.Preferably, the device comprises a number of terminals opening on each connection face less than or equal to the number of modules.

De préférence, l'ouverture de la ou de chaque borne de phase débouchant sur ladite face de raccordement est intégralement comprise dans une portion de ladite face délimitée par les plans de séparation entre chaque module.Preferably, the opening of the or each phase terminal opening on said connection face is entirely comprised in a portion of said face delimited by the separation planes between each module.

Selon un mode de réalisation, le dispositif comporte un emplacement débouchant sur ladite face de raccordement destiné à recevoir une dent d'un peigne de raccordement, ledit emplacement comportant une ouverture alignée sur l'axe de raccordement et disposée à une distance par rapport à l'ouverture d'une autre borne de phase du même dispositif ou d'un autre dispositif monté sur le même support égale à un nombre entier de pas de raccordement. De préférence, la ou chaque borne de phase et l'emplacement débouchant sur ladite face de raccordement comportent un axe d'insertion d'une dent de peigne compris dans un plan médian de chaque module parallèle aux faces principales.According to one embodiment, the device comprises a location opening on said connection face intended to receive a tooth of a connecting comb, said location having an opening aligned with the connection axis and disposed at a distance from the opening another phase terminal of the same device or of another device mounted on the same support equal to an integer number of connection steps. Preferably, the or each phase terminal and the emerging location on said connection face comprise an axis of insertion of a comb tooth included in a median plane of each module parallel to the main faces.

Selon un mode réalisation, la ou chaque borne de phase et la borne de neutre sont des bornes à cage. De préférence, les bornes à cage comportent des vis de serrage dont les têtes sont accessibles par des conduits débouchant sur la face avant dudit dispositif. Avantageusement, les conduits présentent des ouvertures sur la face avant alignées sur un axe de vissage. De préférence, la face avant comprend des parties décalées suivant la profondeur du dispositif, l'une desdites parties comportant une poignée de commande, et une autre desdites parties comportant les ouvertures donnant accès aux têtes des vis de serrage.According to one embodiment, the or each phase terminal and the neutral terminal are cage terminals. Preferably, the cage terminals comprise clamping screws, the heads of which are accessible via ducts opening onto the front face of said device. Advantageously, the ducts have openings on the front face aligned on a screw axis. Preferably, the front face comprises parts offset according to the depth of the device, one of said parts comprising a control handle, and another of said parts having the openings giving access to the heads of the clamping screws.

Selon un mode de réalisation, le dispositif modulaire est un appareil de protection différentielle de type unipolaire et neutre comportant un module de coupure et un module de protection différentielle.According to one embodiment, the modular device is a unipolar and neutral type differential protection device comprising a breaking module and a differential protection module.

BRÈVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

D'autres avantages et caractéristiques ressortiront plus clairement de la description qui suit de modes particuliers de réalisation de l'invention, donnés à titre d'exemples non limitatifs, et représentés dans les figures annexées.

  • La figure 1 représente une vue en perspective d'un exemple de réalisation d'un dispositif électrique modulaire selon l'invention comportant un module de coupure et un module de protection différentielle.
  • La figure 2 représente une vue des faces avant d'une pluralité de dispositifs modulaires, incluant le dispositif modulaire de la figure 1, montés sur un même support linéaire et raccordés par un peigne de raccordement.
  • La figure 3 représente une vue d'une face de raccordement des dispositifs modulaires représentés à la figure 2.
  • La figure 4 représente une vue en perspective de la pluralité de dispositifs modulaires représenté à la figure 2 dans laquelle sont visibles la face arrière et l'une des faces de raccordement de chaque dispositif.
  • La figure 5 représente une vue en perspective de la pluralité de dispositifs modulaires représenté à la figure 2 dans laquelle sont visibles la face avant et l'une des faces de raccordement de chaque dispositif.
  • La figure 6 représente un exemple de raccordement à l'aide de conducteurs électriques du dispositif modulaire représenté à la figure 1.
  • La figure 7 représente une vue schématique des internes d'un dispositif électrique modulaire selon l'invention comportant un module de coupure sur une phase et un module de protection différentielle.
  • La figure 8 représente une vue en perspective d'une partie démontée d'un dispositif électrique modulaire comportant un module de coupure sur une phase et un module de protection différentielle.
  • La figure 9 représente une autre vue en perspective de la partie démontée du dispositif modulaire de la figure 8.
Other advantages and features will emerge more clearly from the following description of particular embodiments of the invention, given by way of non-limiting examples, and shown in the accompanying figures.
  • The figure 1 represents a perspective view of an exemplary embodiment of a modular electrical device according to the invention comprising a switching module and a differential protection module.
  • The figure 2 represents a view of the front faces of a plurality of modular devices, including the modular device of the figure 1 , mounted on the same linear support and connected by a connecting comb.
  • The figure 3 represents a view of a connecting face of the modular devices represented in FIG. figure 2 .
  • The figure 4 is a perspective view of the plurality of modular devices shown in FIG. figure 2 in which are visible the rear face and one of the connecting faces of each device.
  • The figure 5 is a perspective view of the plurality of modular devices shown in FIG. figure 2 in which are visible the front face and one of the connecting faces of each device.
  • The figure 6 represents an example of connection using electrical conductors of the modular device shown in FIG. figure 1 .
  • The figure 7 represents a schematic view of the internals of a modular electrical device according to the invention comprising a cut-off module on a phase and a differential protection module.
  • The figure 8 is a perspective view of a disassembled portion of a modular electrical device having a phase cut module and a differential protection module.
  • The figure 9 represents another perspective view of the disassembled part of the modular device of the figure 8 .

DESCRIPTION DETAILLEE D'UN MODE DE RÉALISATIONDETAILED DESCRIPTION OF AN EMBODIMENT

Le dispositif modulaire 1 représenté à la figure 1 est un disjoncteur différentiel comportant un module de coupure 2 d'une seule phase et d'un neutre, et un module de protection différentielle 3. Chacun de ces modules présente une largeur L prédéterminée en fonction de la modularité du dispositif modulaire. Cette modularité est définie par rapport à des normes, telle que par exemple la norme « UTE C 61-920 ». Le boitier du disjoncteur différentiel comprend une face avant 4, dotée d'une poignée de commande 5, et une face arrière 6 opposée à ladite face avant et équipée de moyens de fixation à un support linéaire, tel que par exemple un rail de montage. Le boitier comprend également deux faces principales 7, 8, une seule d'entre elles étant visible, lesdites faces étant sensiblement parallèles entre elles et perpendiculaires à la face arrière. Le boitier comprend également deux faces de raccordement 9, 10, dont seulement la face référencée 9 est visible.The modular device 1 shown in FIG. figure 1 is a differential circuit breaker comprising a cut-off module 2 of a single phase and a neutral, and a differential protection module 3. Each of these modules has a predetermined width L according to the modularity of the modular device. This modularity is defined in relation to standards, such as for example the "UTE C 61-920" standard. The case of the differential circuit breaker comprises a front face 4, provided with a control handle 5, and a rear face 6 opposite to said front face and equipped with means for fixing to a linear support, such as for example a mounting rail. The box also comprises two main faces 7, 8, only one of which is visible, said faces being substantially parallel to each other and perpendicular to the rear face. The box also comprises two connecting faces 9, 10, of which only the referenced face 9 is visible.

Le disjoncteur différentiel 1 est représenté sur la figure 2 avec d'autres dispositifs modulaires 21, 22, 23, 24, 25 fixés de manière amovible sur un rail de montage non visible. Dans cette représentation, ces autres dispositifs modulaires comportent un seul module ayant une largeur identique à la largeur prédéterminée L des modules du disjoncteur différentiel 1 et sont accolés entre eux par leurs faces principales. Ces autres dispositifs modulaires représentés à la figure 2 sont en fait cinq disjoncteurs monophasés, chaque disjoncteur comportant un module de coupure d'une seule phase.The differential circuit breaker 1 is represented on the figure 2 with other modular devices 21, 22, 23, 24, 25 removably attached to a non-visible mounting rail. In this representation, these other modular devices comprise a single module having a width identical to the predetermined width L of the modules of the differential circuit breaker 1 and are joined together by their main faces. These other modular devices represented in figure 2 are in fact five single-phase circuit breakers, each circuit breaker having a single-phase breaking module.

Comme cela est représenté sur les figures 1 et 2, les deux modules du disjoncteur différentiel 1 sont séparés entre eux par un plan de séparation 26 sensiblement parallèle aux faces principales du boitier. Ce plan de séparation peut être virtuel. Ce plan de séparation est souvent matérialisé par une cloison. Les plans de séparation de chaque module des dispositifs modulaires montés sur un même support linéaire sont séparés par la largeur L prédéterminée.As shown on the figures 1 and 2 , the two modules of the differential circuit breaker 1 are separated from each other by a separation plane 26 substantially parallel to the main faces of the housing. This separation plan can be virtual. This plan of separation is often materialized by a partition. The separation planes of each module of the modular devices mounted on the same linear support are separated by the predetermined width L.

Généralement, sur chacune des faces de raccordement des dispositifs modulaires débouchent une borne de neutre et autant de bornes de phase que de phases. Le disjoncteur différentiel 1 comporte deux bornes de neutre et deux bornes de phase débouchant sur les faces de raccordement 9 et 10.Generally, on each of the connection faces of the modular devices open a neutral terminal and as many phase terminals as phases. The differential circuit breaker 1 has two neutral terminals and two phase terminals opening on the connection faces 9 and 10.

Les dispositifs modulaires comportent souvent deux faces de raccordement. Dans ce cas, l'une des faces de raccordement est dédiée aux bornes d'entrée et l'autre face de raccordement est dédiée aux bornes de sortie. Généralement, les dispositifs modulaires de ce type comportent un nombre de bornes débouchant sur chaque face de raccordement égal au nombre de modules. C'est le cas du disjoncteur différentiel 1 qui comporte deux modules et donc deux bornes sur chaque face de raccordement. Les dispositifs modulaires peuvent également comporter, par face de raccordement, un nombre de bornes inférieur au nombre de module. C'est le cas, par exemple, des dispositifs modulaires comportant un ou plusieurs modules auxiliaires exempts de borne de raccordement. Dans ce dernier cas, la face de raccordement peut comporter, au niveau des modules auxiliaires, des emplacements ou évidements destinés à recevoir les dents de peigne en vis-à-vis avec ces modules, ce qui permet d'éviter de casser lesdites dents.Modular devices often have two connecting faces. In this case, one of the connection faces is dedicated to the input terminals and the other connection face is dedicated to the output terminals. Generally, modular devices of this type comprise a number of terminals opening on each connection face equal to the number of modules. This is the case of the differential circuit breaker 1 which has two modules and therefore two terminals on each connection face. The modular devices may also comprise, by connection face, a number of terminals less than the number of modules. This is the case, for example, of modular devices comprising one or more auxiliary modules free of connection terminal. In the latter case, the connection face may comprise, at the level of the auxiliary modules, locations or recesses for receiving the comb teeth vis-a-vis with these modules, which avoids breaking said teeth.

Comme cela est visible sur la figure 1, sur la face de raccordement 9 débouchent une borne de neutre 31 et une borne de phase 32. La borne de neutre 31 et la borne de phase 32 comportent des ouvertures référencées respectivement 33 et 34.As is visible on the figure 1 , on the connection face 9 open a neutral terminal 31 and a phase terminal 32. The neutral terminal 31 and the phase terminal 32 comprise openings respectively referenced 33 and 34.

Les dispositifs modulaires montés sur un même support linéaire peuvent généralement être raccordés, sur au moins l'une de leurs faces de raccordement, par l'intermédiaire d'un peigne de raccordement. Comme cela est illustré sur les figures 3 et 4, les dispositifs modulaires 1, 21-25 sont raccordés par l'intermédiaire d'un peigne 35 comportant une série de dents 36. Dans le cas présent, les dispositifs modulaires sont du type monophasé et chaque dent du peigne est connectée à la phase unique. Les dents du peignes sont, quant à elles, connectées à la phase à l'aide d'un conducteur électrique 37. Le raccordement à l'aide d'un peigne permet de simplifier la tâche de l'installateur et permet également de faciliter la compréhension de l'installation par l'utilisateur.Modular devices mounted on the same linear support can generally be connected, on at least one of their connecting faces, via a connecting comb. As illustrated on the figures 3 and 4 , the modular devices 1, 21-25 are connected via a comb 35 having a series of teeth 36. In this case, the modular devices are of the single-phase type and each tooth of the comb is connected to the single phase . The teeth of the combs, for their part, are connected to the phase by means of an electrical conductor 37. The connection by means of a comb makes it possible to simplify the task of the installer and also makes it easier to understanding of the installation by the user.

Pour raccorder le disjoncteur différentiel 1 à l'aide d'un peigne, l'ouverture 34 de la borne de phase 32 débouchant sur la face de raccordement 9, ainsi que les ouvertures des bornes de phase des dispositifs modulaires 21-25, sont alignées sur un axe de raccordement 38 parallèle à la face arrière 6 et donc parallèle au rail de montage. Comme cela est représenté sur la figure 3, l'ouverture 34 de la borne de phase du disjoncteur différentiel 1 est disposée à une distance par rapport à l'ouverture d'une autre borne de phase d'un autre dispositif 21-25 monté sur le même support égale à un nombre entier de pas de raccordement P. En d'autres termes, l'ouverture 34 présente une composante axiale 39 sur l'axe de raccordement 38. Cette composante est définie par rapport à une origine correspondant à l'une des composantes axiales 40, 41, 42, 43, 44 de la borne de phase de n'importe quel autre dispositif 21, 22, 23, 24, 25 monté sur le même rail. En d'autres termes, cette composante est définie par la position de n'importe quelle dent du peigne de raccordement. Cette composante axiale 39 sur l'axe de raccordement 38 de l'ouverture 34 de la borne de phase du disjoncteur différentiel 1 est sensiblement égale à un nombre entier de pas de raccordement P, ce dernier étant sensiblement égal à la largeur prédéterminée L de chaque module.To connect the differential circuit breaker 1 by means of a comb, the opening 34 of the phase terminal 32 opening on the connection face 9, as well as the openings of the phase terminals of the modular devices 21-25, are aligned. on a connection axis 38 parallel to the rear face 6 and therefore parallel to the mounting rail. As shown on the figure 3 , the opening 34 of the phase terminal of the differential circuit breaker 1 is disposed at a distance from the opening of another phase terminal of another device 21-25 mounted on the same support equal to a whole number In other words, the opening 34 has an axial component 39 on the connection axis 38. This component is defined with respect to an origin corresponding to one of the axial components 40, 41, 42, 43, 44 of the phase terminal of any other device 21, 22, 23, 24, 25 mounted on the same rail. In other words, this component is defined by the position of any tooth of the connecting comb. This axial component 39 on the connection axis 38 of the opening 34 of the phase terminal of the differential circuit breaker 1 is substantially equal to an integer number of connection pitch P, the latter being substantially equal to the predetermined width L of each module.

Pour éviter le raccordement de la borne de neutre avec une dent du peigne de raccordement qui est connectée à la phase, l'ouverture 33 de la borne de neutre 31 du disjoncteur différentiel 1 débouchant sur la face de raccordement 9 est déportée par rapport à l'axe de raccordement 38. Comme cela est visible sur la figure 3, l'ouverture 33 de la borne de neutre 31 est déportée vers la face arrière par rapport à l'axe de raccordement 38. Ce retrait vers la face arrière de l'ouverture 33 de la borne de neutre 31 permet l'utilisation d'un peigne de raccordement telle que celui représenté sur les figures 3 et 4, c'est à dire un peigne de raccordement comportant une partie principale 51 orientée vers les faces avant 4 des dispositifs modulaires.To avoid the connection of the neutral terminal with a tooth of the connecting comb which is connected to the phase, the opening 33 of the neutral terminal 31 of the circuit breaker differential 1 opening on the connecting face 9 is offset relative to the connection axis 38. As can be seen on the figure 3 , the opening 33 of the neutral terminal 31 is offset towards the rear face relative to the connection axis 38. This withdrawal towards the rear face of the opening 33 of the neutral terminal 31 allows the use of a connecting comb such as the one shown on the figures 3 and 4 , ie a connecting comb having a main portion 51 facing the front faces 4 of the modular devices.

En plus d'être déportée par rapport à l'axe de raccordement 38, l'ouverture 33 de la borne de neutre 31 traverse le plan de séparation 26 entre les deux modules 2 et 3. En d'autres termes l'ouverture 33 de la borne de neutre 31 s'étend de part et d'autre du plan de séparation 26 entre les deux modules 2 et 3. Cette disposition de la borne de neutre permet le raccordement des bornes de phase de l'ensemble des dispositifs modulaires montés sur le même support linéaire par l'entremise des dents 36 du peigne de raccordement 35 sans bloquer l'ouverture 33 de la borne de neutre 31. Ainsi, il est possible de raccorder la borne de neutre à l'aide d'un conducteur électrique 52. De façon surprenante, le fait de déporter la borne de neutre du disjoncteur différentiel dans une zone à cheval sur deux modules n'entrave pas le bon fonctionnement de chacun de ces modules.In addition to being offset from the connection axis 38, the opening 33 of the neutral terminal 31 passes through the separation plane 26 between the two modules 2 and 3. In other words, the opening 33 of the neutral terminal 31 extends on either side of the separation plane 26 between the two modules 2 and 3. This arrangement of the neutral terminal allows the connection of the phase terminals of all the modular devices mounted on the same linear support through the teeth 36 of the connecting comb 35 without blocking the opening 33 of the neutral terminal 31. Thus, it is possible to connect the neutral terminal with the aid of an electrical conductor 52 Surprisingly, the fact of deporting the neutral terminal of the differential circuit breaker in a zone straddling two modules does not hinder the proper functioning of each of these modules.

Pour permettre le raccordement à l'aide d'un peigne sans devoir casser la dent du peigne en vis-à-vis avec le module de protection différentielle, la face de raccordement 9 du disjoncteur différentiel 1 comporte un emplacement destiné à loger cette dent du peigne. Cet emplacement est généralement un évidemment 61. Cet emplacement comporte une ouverture alignée sur l'axe de raccordement (38) et disposée à une distance par rapport à l'ouverture d'une autre borne de phase du même dispositif ou d'un autre dispositif (21-25) monté sur le même support égale à un nombre entier de pas de raccordement.To allow the connection by means of a comb without having to break the comb tooth vis-a-vis with the differential protection module, the connection face 9 of the differential circuit breaker 1 has a location for accommodating this tooth of the comb. This location is generally an obvious 61. This location has an opening aligned with the connection axis (38) and disposed at a distance from the opening of another phase terminal of the same device or other device. (21-25) mounted on the same support equal to an integer number of connection steps.

Comme cela est visible sur la figure 4, dans le disjoncteur différentiel 1, la borne de phase 32 et l'emplacement 61 débouchant sur la face de raccordement 9 comportent des axes d'insertion respectivement référencés 62, 63. Ces axes d'insertion définissent le déplacement en translation d'une dent d'un peigne de raccordement ou d'un simple conducteur électrique pour réaliser le raccordement. Les axes d'insertion de la borne de phase 32 et de l'emplacement 61 sont compris respectivement dans les plans médians 65 et 66. Cette disposition de la borne de phase 32 et de l'emplacement 61 autorise le mixage de dispositif différentiel avec d'autres dispositifs dépourvus de neutre sous un même peigne de raccordement.As is visible on the figure 4 in the differential circuit breaker 1, the phase terminal 32 and the slot 61 opening on the connection face 9 have insertion pins respectively referenced 62, 63. These axes of insertion define the displacement in translation of a tooth a connecting comb or a simple electrical conductor to make the connection. The insertion axes of the phase terminal 32 and the location 61 are respectively in the median planes 65 and 66. This arrangement of the phase terminal 32 and the slot 61 allows the mixing of differential device with other devices without neutral under the same connection comb.

Comme cela est représenté à la figure 6, les bornes de phase et de neutre du disjoncteur différentiel 1 peuvent également être raccordées par l'entremise des conducteurs électriques 69, 70. Comme pour la borne de phase du disjoncteur 21 représenté à la figure 4, la borne de phase du disjoncteur 1 peut être connectée à la fois à une dent d'un peigne de raccordement et à un conducteur électrique. Ceci peut être intéressant lorsque le disjoncteur différentiel 1 est disposé à l'extrémité du rail de montage, ce qui permet de connecter toutes les dents du peigne à la phase ou à l'une des phases.As shown in figure 6 the phase and neutral terminals of the differential circuit-breaker 1 can also be connected via the electrical conductors 69, 70. As for the phase terminal of the circuit-breaker 21 shown in FIG. figure 4 , the phase terminal of the circuit breaker 1 can be connected to both a tooth of a connecting comb and an electrical conductor. This can be interesting when the GFCI 1 is disposed at the end of the mounting rail, which allows to connect all the teeth of the comb to the phase or to one of the phases.

Comme cela est visible sur la figure 1, l'ouverture de la borne de phase débouchant sur la face de raccordement 9 est intégralement comprise dans une portion de ladite face délimitée par le plan de séparation 26 entre chaque module. Contrairement à l'ouverture de la borne de neutre, le plan de séparation 26 ne traverse pas l'ouverture de la borne de phase. Cette disposition permet de positionner chaque module en vis-à-vis avec les bornes de phase auxquels il est associé et donc avec la dent du peigne à laquelle il est raccordé. Cette disposition est particulièrement avantageuse dans le cas de dispositifs modulaires comportant plusieurs phases. En effet, dans ce cas, chaque ouverture des bornes de phase est disposée dans le plan médian du module auquel elle est associée. Ceci permet à l'installateur de discerner en un coup d'oeil la phase à laquelle chaque module est raccordée.As is visible on the figure 1 , the opening of the phase terminal opening on the connection face 9 is completely comprised in a portion of said face delimited by the separation plane 26 between each module. Unlike the opening of the neutral terminal, the separation plane 26 does not pass through the opening of the phase terminal. This arrangement makes it possible to position each module vis-a-vis with the phase terminals with which it is associated and therefore with the tooth of the comb to which it is connected. This arrangement is particularly advantageous in the case of modular devices comprising several phases. Indeed, in this case, each opening of the phase terminals is disposed in the median plane of the module with which it is associated. This allows the installer to discern at a glance the phase to which each module is connected.

Les composants principaux à l'intérieur du boitier du disjoncteur différentiel 1 sont représentés schématiquement sur la figure 7. Le disjoncteur différentiel 1 comporte un circuit de phase 71 s'étendant entre la borne de phase 32 sur l'une des faces de raccordement et une autre borne de phase 72 sur l'autre face de raccordement. La borne de phase 32 peut être qualifiée de borne d'entrée de phase et la borne de phase 72 peut être qualifiée de borne de sortie de phase. Le disjoncteur différentiel 1 comporte également un circuit de neutre 73 s'étendant entre la borne de neutre 31 qualifiée de borne d'entrée de neutre et une borne de sortie de neutre 74. Le module disjoncteur 2 comporte, sur le circuit de phase, un mécanisme de déclenchement thermique 75 et un mécanisme de déclenchement électromagnétique 76, ainsi que deux interrupteurs 77, 78 interposés sur chaque circuit. Le module de protection différentielle 3 comporte, quant à lui, un transformateur différentiel 79 et deux enroulements primaires 80, 81 correspondant respectivement au circuit de phase et au circuit de neutre.The main components inside the case of the RCD 1 are shown schematically on the figure 7 . The differential circuit breaker 1 comprises a phase circuit 71 extending between the phase terminal 32 on one of the connection faces and another phase terminal 72 on the other connection face. The phase terminal 32 may be described as a phase input terminal and the phase terminal 72 may be described as a phase output terminal. The differential circuit breaker 1 also comprises a neutral circuit 73 extending between the neutral terminal 31 described as a neutral input terminal and a neutral output terminal 74. The circuit breaker module 2 comprises, on the phase circuit, a thermal trip mechanism 75 and a mechanism of electromagnetic trip 76, as well as two switches 77, 78 interposed on each circuit. The differential protection module 3 comprises, meanwhile, a differential transformer 79 and two primary windings 80, 81 respectively corresponding to the phase circuit and the neutral circuit.

Comme cela est visible sur la figure 7, la borne d'entrée de phase 32 et l'emplacement 61 comportent des axes d'insertion compris dans un plan médian 65, 66 de chaque module. Par ailleurs, la borne de neutre 31 a été décalée pour être disposée dans une zone traversée par le plan de séparation 26 entre les deux modules 2 et 3. Cette disposition permet de loger tous les éléments de la borne de neutre 31 en optimisant l'encombrement au niveau de la zone de raccordement. De surcroit, cette disposition de la borne de neutre 31 à cheval sur deux modules n'entrave pas l'intégrité fonctionnelle de chacun des modules 2 et 3.As is visible on the figure 7 , the phase input terminal 32 and the location 61 comprise insertion axes included in a median plane 65, 66 of each module. Furthermore, the neutral terminal 31 has been shifted to be disposed in a zone traversed by the separation plane 26 between the two modules 2 and 3. This arrangement makes it possible to house all the elements of the neutral terminal 31 by optimizing the congestion at the connection area. In addition, this arrangement of the neutral terminal 31 straddling two modules does not hinder the functional integrity of each of the modules 2 and 3.

Comme cela est représenté sur les figures 8 et 9, les bornes du disjoncteur différentiel sont des bornes à cage similaires à la borne référencée 101. Les têtes de vis des bornes 32, 31, sont accessibles par des conduits 103 et 104 débouchant sur la face avant 4 dudit dispositif. La disposition de la borne de neutre dans une zone traversée par le plan de séparation 26 entre les deux modules 2 et 3 permet, entre autres, de faire passer le conduit 104 de la borne de neutre 31 parallèlement au conduit 103 de la borne de phase. Ainsi, l'encombrement dans la zone de raccordement associée à la face de raccordement 9 est optimisé. Par ailleurs, grâce à cet agencement, le serrage de la vis de la borne de neutre 31 s'en trouve facilité. En effet, le serrage de cette vis peut être réalisé de la même façon que pour la borne de phase 32, c'est à dire en introduisant un tournevis par la face avant selon un même axe d'insertion sensiblement perpendiculaire à ladite face avant.As shown on the figures 8 and 9 , the terminals of the differential circuit breaker are cage terminals similar to the terminal referenced 101. The screw heads of the terminals 32, 31, are accessible by conduits 103 and 104 opening on the front face 4 of said device. The arrangement of the neutral terminal in a zone traversed by the separation plane 26 between the two modules 2 and 3 makes it possible, among other things, to pass the conduit 104 from the neutral terminal 31 parallel to the conduit 103 of the phase terminal . Thus, the bulk in the connection area associated with the connecting face 9 is optimized. Moreover, thanks to this arrangement, the tightening of the screw of the neutral terminal 31 is facilitated. Indeed, the tightening of this screw can be achieved in the same way as for the phase terminal 32, that is to say by introducing a screwdriver by the front face along a same axis of insertion substantially perpendicular to said front face.

Les conduits 103, 104 présentent des ouvertures 111, 112 débouchant sur la face avant 4 et alignées sur un seul axe 113. Cette disposition des ouvertures des conduits 103, 104 sur un même axe permet de faciliter l'accès aux têtes de vis à l'aide d'un tournevis et facilite ainsi l'opération de raccordement.The ducts 103, 104 have openings 111, 112 opening on the front face 4 and aligned on a single axis 113. This arrangement of the openings of the ducts 103, 104 on one axis makes it possible to facilitate access to the screw heads at the same time. using a screwdriver and thus facilitates the connection operation.

La face avant 4 comprend des parties décalées suivant la profondeur du dispositif. Une partie centrale 114 de la face avant comporte la poignée 5 d'actionnement ou de commande et fait saillie par rapport au reste de la face avant. Deux parties latérales 115, 116 de la face avant 4 comportent les ouvertures 111 et 112 des conduits d'accès aux têtes des vis de serrage des bornes débouchant sur chacune des faces de raccordement.The front face 4 comprises parts that are offset according to the depth of the device. A central portion 114 of the front face has the handle 5 for actuation or control and protrudes from the rest of the front face. Two side portions 115, 116 of the face before 4 comprise the openings 111 and 112 of the access ducts to the heads of the clamping screws of the terminals opening on each of the connecting faces.

Le disjoncteur différentiel 1 représenté sur les figures 1 à 9 est un appareil de protection différentielle de type unipolaire et neutre comportant deux modules 2 et 3, le module 2 étant un module de coupure et le module 3 étant un module différentiel. Le dispositif selon l'invention peut également être un appareil de protection différentielle comportant une pluralité de pôles, tel qu'un appareil de type tripolaire et neutre comportant trois modules de coupure pour chaque phase et un module de protection différentielle.The differential circuit breaker 1 represented on the Figures 1 to 9 is a unipolar and neutral type differential protection device comprising two modules 2 and 3, the module 2 being a breaking module and the module 3 being a differential module. The device according to the invention can also be a differential protection device comprising a plurality of poles, such as a three-pole and neutral type device comprising three cut-off modules for each phase and a differential protection module.

Claims (11)

  1. Modular electrical device (1) designed to be fixed in removable manner on a linear support and to be connected by means of a connecting comb, said device comprising a case comprising a rear panel (6) for fixing to said support, two main panels (7, 8) substantially parallel to one another and perpendicular to the rear panel via which panels said case can be adjoined to other devices of the same type, and two connection panels (9, 10) onto each of which a neutral terminal and at least one phase terminal open out, said device comprising at least two modules (2, 3) presenting a predetermined width (L) defining a connection pitch, said modules being separated from one another by a separation plane (26) substantially parallel to the main panels, the or each phase terminal (32) comprising an opening (34) on at least one of the connection panels (9) aligned on a connection axis (38) that is the same as the axis of the connecting comb, said opening of the or each phase terminal being arranged at a distance from the opening of another phase terminal of the same device or of another device (21-25) fitted on the same support that is equal to an integer of the connecting pitch,
    the neutral terminal (31) comprising an opening (33) on said connection panel (9) offset with respect to the connection axis (38), characterized in that said opening of the neutral terminal passes through the separation plane (26) between two modules (2, 3).
  2. Device according to claim 1, characterized in that the opening (33) of the neutral terminal (31) is offset towards the rear panel (6) with respect to the connection axis (38).
  3. Device according to one of claims 1 or 2, characterized in that the device comprises a number of terminals (31, 32) opening out onto each connection panel (9, 10) that is smaller or equal to the number of modules (2, 3).
  4. Device according to one of claims 1 to 3, characterized in that the opening (34) of the or each phase terminal (32) opening out onto said connection panel (9) is totally comprised in a portion of said panel delineated by the separation planes (26) between each module (2,3).
  5. Device according to one of claims 1 to 4, characterized in that it comprises a location (61) opening out onto said connection panel (9) designed to receive a tooth (36) of a connecting comb (35), said location comprising an opening aligned on the connection axis (38) and arranged at a distance with respect to the opening of another phase terminal of the same device or of another device (21-25) fitted on the same support that is equal to an integer of the connection pitch.
  6. Device according to claim 5, characterized in that the or each phase terminal (32) and the location (61) opening out onto said connection panel (9) comprise an insertion axis of a tooth (36) of a comb (35) comprised in a mid-plane (65, 66) of each module (2, 3) parallel to the main panels.
  7. Device according to one of claims 1 to 6, characterized in that the or each phase terminal (32) and the neutral terminal (31) are tunnel terminals.
  8. Device according to claim 7, characterized in that the tunnel terminals comprise securing screws the heads whereof are accessible via ducts (103, 104) opening out onto the front panel (4) of said device.
  9. Device according to claim 8, characterized in that the ducts (103, 104) present openings (111, 112) on the front panel aligned on a securing axis (113).
  10. Device according to one of claims 8 or 9, characterized in that the front panel (4) comprises parts (114, 115, 116) offset in the depth-wise direction of the device, one of said parts (114) comprising an operating handle (5) and another of said parts (115, 116) comprising the openings (111, 112) enabling access to the heads of the securing screws.
  11. Device according to one of claims 1 to 10, characterized in that said device is a differential protection apparatus of single-pole and neutral type comprising a breaking module (2) and a differential protection module (3).
EP09354014A 2008-05-05 2009-04-02 Modular electrical device Active EP2117028B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09354014T PL2117028T3 (en) 2008-05-05 2009-04-02 Modular electrical device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0802464A FR2930838B1 (en) 2008-05-05 2008-05-05 MODULAR ELECTRICAL DEVICE

Publications (2)

Publication Number Publication Date
EP2117028A1 EP2117028A1 (en) 2009-11-11
EP2117028B1 true EP2117028B1 (en) 2010-12-01

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Application Number Title Priority Date Filing Date
EP09354014A Active EP2117028B1 (en) 2008-05-05 2009-04-02 Modular electrical device

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EP (1) EP2117028B1 (en)
CN (1) CN101577195B (en)
AT (1) ATE490546T1 (en)
BR (1) BRPI0901451B1 (en)
DE (1) DE602009000405D1 (en)
FR (1) FR2930838B1 (en)
PL (1) PL2117028T3 (en)
RU (1) RU2483384C2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2694240C1 (en) * 2017-03-23 2019-07-10 Павел Анатольевич Ревенко Universal modular structures of switches
FR3066653B1 (en) * 2017-05-19 2019-07-12 Legrand France AUXILIARY MODULAR APPARATUS AND ASSOCIATED MODULAR ELECTRICAL ASSEMBLY
CN207217433U (en) * 2017-05-27 2018-04-10 西门子公司 Insulator spacer and arc fault detection module for arc fault detection module

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2656464B1 (en) * 1989-12-22 1992-03-27 Merlin Gerin INSULATING HOUSING FOR A PASSIVE OR SECTIONAL NEUTRAL DIFFERENTIAL CIRCUIT BREAKER.
FR2730855B1 (en) * 1995-02-21 1997-05-16 Legrand Sa MODULAR ELECTRICAL APPARATUS WITH A RECESS ON A SIDE SIDE
FR2735290B1 (en) * 1995-06-07 1997-07-18 Schneider Electric Sa ASSEMBLY AND ELECTRICAL CONNECTION DEVICE FOR MODULAR APPLIANCES SUCH AS CIRCUIT BREAKERS OR SIMILAR
DE19531115B4 (en) * 1995-08-24 2005-11-24 Abb Schweiz Ag terminal
FR2751125B1 (en) * 1996-07-11 1998-10-23 Legrand Sa DIFFERENTIAL PROTECTION ELECTRICAL APPARATUS
FR2768260B1 (en) * 1997-09-05 1999-10-22 Schneider Electric Sa DEVICE FOR ASSEMBLY AND ELECTRICAL CONNECTION OF MODULAR POWER ELECTRICAL DEVICES SUCH AS CIRCUIT BREAKERS
FR2777110B1 (en) * 1998-04-03 2000-06-23 Legrand Sa MULTIPOLAR DIFFERENTIAL CIRCUIT BREAKER
FR2787238B1 (en) * 1998-12-15 2001-03-16 Schneider Electric Ind Sa MODULAR ELECTRICAL APPARATUS SUCH AS A CIRCUIT BREAKER
FR2806519B1 (en) * 2000-03-20 2003-07-25 Schneider Electric Ind Sa DEVICE FOR ASSEMBLING AND ELECTRICALLY CONNECTING MODULAR ELECTRICAL APPLIANCES
FR2806518B1 (en) * 2000-03-20 2003-07-25 Schneider Electric Ind Sa DEVICE FOR ASSEMBLING AND ELECTRICALLY CONNECTING A PLURALITY OF MODULAR ELECTRICAL APPLIANCES
FR2902924B1 (en) * 2006-06-26 2008-08-01 Schneider Electric Ind Sas MODULAR ELECTRICAL APPARATUS PROVIDING AT LEAST TWO ELECTRICAL FUNCTIONS SUCH AS A DIFFERENTIAL CIRCUIT BREAKER.
FR2906413B1 (en) * 2006-09-21 2008-12-19 Legrand France DISTRIBUTION ASSEMBLY HAVING ELECTRICAL EQUIPMENT WITH MODULAR FORMAT

Also Published As

Publication number Publication date
CN101577195A (en) 2009-11-11
CN101577195B (en) 2014-09-10
DE602009000405D1 (en) 2011-01-13
RU2009117079A (en) 2010-11-10
EP2117028A1 (en) 2009-11-11
RU2483384C2 (en) 2013-05-27
FR2930838A1 (en) 2009-11-06
ATE490546T1 (en) 2010-12-15
PL2117028T3 (en) 2011-05-31
BRPI0901451B1 (en) 2019-08-20
FR2930838B1 (en) 2010-04-16
BRPI0901451A2 (en) 2010-01-26

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