EP0768696B1 - Connector assembly - Google Patents

Connector assembly Download PDF

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Publication number
EP0768696B1
EP0768696B1 EP19960410097 EP96410097A EP0768696B1 EP 0768696 B1 EP0768696 B1 EP 0768696B1 EP 19960410097 EP19960410097 EP 19960410097 EP 96410097 A EP96410097 A EP 96410097A EP 0768696 B1 EP0768696 B1 EP 0768696B1
Authority
EP
European Patent Office
Prior art keywords
terminals
neutral
connector
phase
connectors
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19960410097
Other languages
German (de)
French (fr)
Other versions
EP0768696A1 (en
Inventor
Henri Bellotto
Pierre Baginski
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.)
Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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Filing date
Publication date
Application filed by Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP0768696A1 publication Critical patent/EP0768696A1/en
Application granted granted Critical
Publication of EP0768696B1 publication Critical patent/EP0768696B1/en
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/123—Automatic release mechanisms with or without manual release using a solid-state trip unit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • H01H11/0031—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for allowing different types or orientation of connections to contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08—Terminals; Connections
    • H01H2071/086—Low power connections for auxiliary switches, e.g. shunt trip
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R29/00—Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series-parallel selection, programmable connectors

Definitions

  • the invention relates to a connection assembly comprising a first connector, fixed, integral with the housing of an electronic trip device of a network protection circuit breaker polyphase electric with neutral, and a second mobile connector, the first and second connectors with additional terminals intended to connect when plug-in of connectors, the terminals of a connector being separated by a pitch predetermined, the fixed connector having connected phase and neutral terminals respectively to phase and neutral inputs of the release, and the movable connector having phase and neutral terminals respectively connected to transformers phase and neutral current.
  • the invention aims to reduce the cost of this connection.
  • the fixed connector comprises two terminals of neutral, arranged on either side of a number p of phase terminals, the movable connector comprising a number p + 1 of terminals.
  • a three-phase electrical network (L1, L2, L3) with neutral (N) is protected by a circuit breaker having a set of contacts 1 controlled by a trip unit electronic 2, via a control relay 3.
  • the circuit breaker includes current transformers 4, respectively 4a, 4b, 4c and 4n, intended to supply respectively at phase inputs Ea, Eb, Ec and neutral En of trigger 2 a measurement current respectively in lines L1, L2, L3 and N of the network.
  • the invention relates to the connection assembly between the current transformers 4 and the trigger 2.
  • the circuit breaker conventionally comprises a number p of poles associated with the p phases of the network and a pole associated with neutral, i.e. in the case of a three-phase network with neutral, four poles.
  • the pole associated with neutral can be arranged left or right of the circuit breaker poles associated with the phases.
  • the trigger has inputs associated with each phase and neutral respectively.
  • the connection between current transformers 4, arranged in the corresponding poles of the circuit breaker, and the associated entries of the trigger must take these variants into account. So far this has been achieved by means of different connectors for each variant.
  • connection assembly As shown in Figures 2 to 4, the connection assembly according to the invention consists by a fixed connector 5, standard, mounted on one face of the trigger housing 2 and by a movable connector 6 serving as an interface between the current transformers 4 and the trip device 2.
  • the fixed connector 5 has terminals 7 separated by a predetermined pitch d.
  • the part of the fixed connector 5 intended to be connected to the transformers current has three adjacent phase terminals, 7a, 7b, 7c, connected to the inputs of phase Ea, Eb, Ec, of the trigger. It also has two neutral terminals, 7n1 and 7n2, arranged on either side of the phase terminals and both connected to the inputs of neutral of the trigger.
  • the movable connector 3 comprises ( Figures 3 and 4) four terminals 8, separated by the pitch d and complementary to terminals 7. These terminals are respectively connected to transformers current 4a, 4b, 4d and 4n. If the neutral pole of the circuit breaker is located on the left relative to the poles associated with the phases, to simplify the wiring as much as possible, the transformer current 4n associated with the neutral pole is connected to the leftmost terminal of the connector mobile, 8n1 in FIG. 3.
  • the current transformers 4a, 4b, 4c are respectively connected to the adjacent terminals 8a1, 8b1 and 8c1, from left to right, in Figure 3.
  • terminals 8n1, 8a1, 8b1 and 8c1 are connected respectively with terminals 7n1, 7a, 7b and 7c.
  • Axis 9 shown in Figures 2 and 3 symbolizes the fact that terminals 7n1 and 8n1 of connectors 5 and 6 are associated. So when connection of connectors, phase inputs Ea, Eb, Ec of the trip unit are automatically connected respectively to the corresponding current transformers and the neutral inputs En at the 4n current transformer.
  • the 4n current transformer is connected to the terminals rightmost of the movable connector, 8n2 in FIG. 4.
  • the current transformers 4a, 4b and 4c are connected to the adjacent terminals, respectively 8a2, 8b2, 8c2, from left to right in Figure 4.
  • terminals 8a2, 8b2, 8c2 and 8n2 mate with terminals 7a, 7b, 7c and 7n2 respectively.
  • Axis 10 represented on the Figures 2 and 4 illustrates the fact that the terminal 8n2 of the connector 6 is associated with the terminal of neutral 7n2 of connector 5.
  • the inputs of phase Ea, Eb, Ec and neutral En are, as before, automatically connected to the corresponding current transformers 4a, 4b, 4c and 4n, respectively.
  • the neutral terminal can then be located either left (8n1, figure 3), or right (8n 2, figure 4) and by a simple lateral offset, the pitch of the movable connector, the neutral terminal is aligned (with 9 or 10) with one of the neutral terminals of the fixed connector when the associated phase terminals are coupled.
  • connection assembly is standardized, both with regard to the fixed connector as the movable connector.
  • the differentiation between the circuit breakers having the pole neutral on the right or on the left can be done very late, at the distributor level rather than at the production center.
  • the additional terminals of the fixed connector 5 shown in Figure 2 are not used for connection between the current sensors and the release. They are used for the connection of the release to certain auxiliary functions, such as a power supply or the relay trigger control, for example.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Breakers (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Description

L'invention concerne un ensemble de connexion comportant un premier connecteur, fixe, solidaire du boítier d'un déclencheur électronique d'un disjoncteur de protection d'un réseau électrique polyphasé avec neutre, et un second connecteur mobile, les premier et second connecteurs comportant des bornes complémentaires destinées à se connecter lors de l'embrochage des connecteurs, les bornes d'un connecteur étant séparées par un pas prédéterminé, le connecteur fixe comportant des bornes de phase et de neutre connectées respectivement à des entrées de phase et de neutre du déclencheur, et le connecteur mobile comportant des bornes de phase et de neutre respectivement connectées à des transformateurs de courant de phase et de neutre.The invention relates to a connection assembly comprising a first connector, fixed, integral with the housing of an electronic trip device of a network protection circuit breaker polyphase electric with neutral, and a second mobile connector, the first and second connectors with additional terminals intended to connect when plug-in of connectors, the terminals of a connector being separated by a pitch predetermined, the fixed connector having connected phase and neutral terminals respectively to phase and neutral inputs of the release, and the movable connector having phase and neutral terminals respectively connected to transformers phase and neutral current.

Il est connu d'associer un déclencheur électronique à divers types de disjoncteurs. Afin de réduire les coûts, il est souhaitable de standardiser au maximum les divers éléments. Jusqu'ici, la connexion entre les transformateurs de courant disposés dans le disjoncteur et le déclencheur électronique était adaptée au type de disjoncteur.It is known to associate an electronic trip device with various types of circuit breakers. In order to To reduce costs, it is desirable to standardize the various elements as much as possible. So far, the connection between the current transformers located in the circuit breaker and the trip unit electronics was adapted to the type of circuit breaker.

L'invention a pour but de réduire le coût de cette connexion.The invention aims to reduce the cost of this connection.

Selon l'invention, ce but est atteint par le fait que le connecteur fixe comporte deux bornes de neutre, disposées de part et d'autre d'un nombre p de bornes de phase, le connecteur mobile comportant un nombre p + 1 de bornes.According to the invention, this object is achieved by the fact that the fixed connector comprises two terminals of neutral, arranged on either side of a number p of phase terminals, the movable connector comprising a number p + 1 of terminals.

D'autres avantages et caractéristiques ressortiront plus clairement de l'exposé qui va suivre d'un mode de réalisation particulier de l'invention, donné à titre d'exemple non limitatif et représenté aux dessins annexés sur lesquels :

  • La figure 1 illustre un disjoncteur dans lequel l'invention peut être utilisée,
  • La figure 2 représente un déclencheur électronique comportant la partie fixe d'un ensemble de connexion selon l'invention,
  • Les figures 3 et 4 illustrent la partie mobile d'un ensemble de connexion selon l'invention, dans deux positions respectives par rapport à la partie fixe de la figure 2.
Other advantages and characteristics will emerge more clearly from the description which follows of a particular embodiment of the invention, given by way of nonlimiting example and represented in the appended drawings in which:
  • FIG. 1 illustrates a circuit breaker in which the invention can be used,
  • FIG. 2 represents an electronic trip device comprising the fixed part of a connection assembly according to the invention,
  • FIGS. 3 and 4 illustrate the mobile part of a connection assembly according to the invention, in two respective positions relative to the fixed part of FIG. 2.

Comme représenté à la figure 1, un réseau électrique triphasé (L1, L2, L3) avec neutre (N) est protégé par un disjoncteur ayant un ensemble de contacts 1 commandé par un déclencheur électronique 2, par l'intermédiaire d'un relais de commande 3. Le disjoncteur comporte des transformateurs de courant 4, respectivement 4a, 4b, 4c et 4n, destinés à fournir respectivement à des entrées de phase Ea, Eb, Ec et de neutre En du déclencheur 2 une mesure du courant respectivement dans les lignes L1, L2, L3 et N du réseau.As shown in Figure 1, a three-phase electrical network (L1, L2, L3) with neutral (N) is protected by a circuit breaker having a set of contacts 1 controlled by a trip unit electronic 2, via a control relay 3. The circuit breaker includes current transformers 4, respectively 4a, 4b, 4c and 4n, intended to supply respectively at phase inputs Ea, Eb, Ec and neutral En of trigger 2 a measurement current respectively in lines L1, L2, L3 and N of the network.

L'invention concerne l'ensemble de connexion entre les transformateurs de courant 4 et le déclencheur 2.The invention relates to the connection assembly between the current transformers 4 and the trigger 2.

Le disjoncteur comporte classiquement un nombre p de pôles associés aux p phases du réseau et un pôle associé au neutre, c'est à dire dans le cas d'un réseau triphasé avec neutre, quatre pôles. Selon la disposition locale du réseau, le pôle associé au neutre peut être disposé à gauche ou à droite des pôles du disjoncteur associés aux phases. Le déclencheur comporte des entrées associées respectivement à chacune des phases et au neutre. La connexion entre les transformateurs de courant 4, disposés dans les pôles correspondants du disjoncteur, et les entrées associées du déclencheur doit tenir compte de ces variantes. Jusqu'ici, ceci était réalisé au moyen de connecteurs différents pour chaque variante.The circuit breaker conventionally comprises a number p of poles associated with the p phases of the network and a pole associated with neutral, i.e. in the case of a three-phase network with neutral, four poles. Depending on the local layout of the network, the pole associated with neutral can be arranged left or right of the circuit breaker poles associated with the phases. The trigger has inputs associated with each phase and neutral respectively. The connection between current transformers 4, arranged in the corresponding poles of the circuit breaker, and the associated entries of the trigger must take these variants into account. So far this has been achieved by means of different connectors for each variant.

Comme représenté aux figures 2 à 4, l'ensemble de connexion selon l'invention est constitué par un connecteur fixe 5, standard, monté sur une face du boítier du déclencheur 2 et par un connecteur mobile 6 servant d'interface entre les transformateurs de courant 4 et le déclencheur 2.As shown in Figures 2 to 4, the connection assembly according to the invention consists by a fixed connector 5, standard, mounted on one face of the trigger housing 2 and by a movable connector 6 serving as an interface between the current transformers 4 and the trip device 2.

Le connecteur fixe 5 comporte des bornes 7 séparées par un pas prédéterminé d. Sur la figure 2, la partie du connecteur fixe 5 destinée à être connectée aux transformateurs de courant comporte trois bornes de phase adjacentes, 7a, 7b, 7c, connectées aux entrées de phase Ea, Eb, Ec, du déclencheur. Il comporte, de plus, deux bornes de neutre, 7n1 et 7n2, disposées de part et d'autre des bornes de phase et connectées toutes deux aux entrées de neutre En du déclencheur. The fixed connector 5 has terminals 7 separated by a predetermined pitch d. On the Figure 2, the part of the fixed connector 5 intended to be connected to the transformers current has three adjacent phase terminals, 7a, 7b, 7c, connected to the inputs of phase Ea, Eb, Ec, of the trigger. It also has two neutral terminals, 7n1 and 7n2, arranged on either side of the phase terminals and both connected to the inputs of neutral of the trigger.

Le connecteur mobile 3 comporte (Figures 3 et 4) quatre bornes 8, séparées par le pas d et complémentaires des bornes 7. Ces bornes sont connectées respectivement aux transformateurs de courant 4a, 4b, 4d et 4n. Si le pôle neutre du disjoncteur est situé à gauche par rapport aux pôles associés aux phases, pour simplifier la filerie au maximum, le transformateur du courant 4n associé au pôle neutre est connecté à la borne la plus à gauche du connecteur mobile, 8n1 sur la figure 3. Les transformateurs de courant 4a, 4b, 4c sont respectivement connectés aux bornes adjacentes 8a1, 8b1 et 8c1, de gauche à droite, sur la figure 3. Les connecteurs 6 et 5 sont alors embrochés, les bornes 8n1, 8a1, 8b1 et 8c1 se connectant respectivement avec les bornes 7n1, 7a, 7b et 7c. L'axe 9 représenté sur les figures 2 et 3 symbolise le fait que les bornes 7n1 et 8n1 des connecteurs 5 et 6 sont associées. Ainsi, lors de la connexion des connecteurs, les entrées de phase Ea, Eb, Ec du déclencheur sont automatiquement connectées respectivement aux transformateurs de courant correspondants et les entrées de neutre En au transformateur de courant 4n.The movable connector 3 comprises (Figures 3 and 4) four terminals 8, separated by the pitch d and complementary to terminals 7. These terminals are respectively connected to transformers current 4a, 4b, 4d and 4n. If the neutral pole of the circuit breaker is located on the left relative to the poles associated with the phases, to simplify the wiring as much as possible, the transformer current 4n associated with the neutral pole is connected to the leftmost terminal of the connector mobile, 8n1 in FIG. 3. The current transformers 4a, 4b, 4c are respectively connected to the adjacent terminals 8a1, 8b1 and 8c1, from left to right, in Figure 3. The connectors 6 and 5 are then plugged in, terminals 8n1, 8a1, 8b1 and 8c1 are connected respectively with terminals 7n1, 7a, 7b and 7c. Axis 9 shown in Figures 2 and 3 symbolizes the fact that terminals 7n1 and 8n1 of connectors 5 and 6 are associated. So when connection of connectors, phase inputs Ea, Eb, Ec of the trip unit are automatically connected respectively to the corresponding current transformers and the neutral inputs En at the 4n current transformer.

Par contre, si le pôle du disjoncteur est situé à droite par rapport aux pôles associés aux phases, alors, pour simplifier la filerie, le transformateur de courant 4n est connecté à la bornes la plus à droite du connecteur mobile, 8n2 sur la figure 4. Les transformateurs de courant 4a, 4b et 4c sont connectés aux bornes adjacentes, respectivement 8a2, 8b2, 8c2, de gauche à droite sur la figure 4. Lorsque les connecteurs 6 et 5 sont associés, les bornes 8a2, 8b2, 8c2 et 8n2 s'accouplent respectivement avec les bornes 7a, 7b, 7c et 7n2. L'axe 10 représenté sur les figures 2 et 4 illustre le fait que la borne 8n2 du connecteur 6 est associée à la borne de neutre 7n2 du connecteur 5. Lors de l'embrochage des connecteurs 6 et 5, les entrées de phase Ea, Eb, Ec et de neutre En sont, comme précédemment, automatiquement connectées aux transformateurs de courant correspondants 4a, 4b, 4c et 4n, respectivement.On the other hand, if the pole of the circuit breaker is located on the right with respect to the poles associated with phases, then, to simplify the wiring, the 4n current transformer is connected to the terminals rightmost of the movable connector, 8n2 in FIG. 4. The current transformers 4a, 4b and 4c are connected to the adjacent terminals, respectively 8a2, 8b2, 8c2, from left to right in Figure 4. When connectors 6 and 5 are associated, terminals 8a2, 8b2, 8c2 and 8n2 mate with terminals 7a, 7b, 7c and 7n2 respectively. Axis 10 represented on the Figures 2 and 4 illustrates the fact that the terminal 8n2 of the connector 6 is associated with the terminal of neutral 7n2 of connector 5. When plugging in connectors 6 and 5, the inputs of phase Ea, Eb, Ec and neutral En are, as before, automatically connected to the corresponding current transformers 4a, 4b, 4c and 4n, respectively.

La présence de deux bornes de neutre, 7n1 et 7n2, de part et d'autre des bornes de phase 7a, 7b et 7c, dans le connecteur fixe 5, permet d'utiliser un même connecteur mobile 6, standard, à quatre bornes. Dans le connecteur mobile, la borne de neutre peut alors être située soit à gauche (8n1, figure 3), soit à droite (8n 2, figure 4) et par un simple décalage latéral, du pas du connecteur mobile, la borne de neutre est alignée (avec 9 ou 10) avec une des bornes de neutre du connecteur fixe lorsque les bornes de phase associées sont accouplées. The presence of two neutral terminals, 7n1 and 7n2, on either side of the phase terminals 7a, 7b and 7c, in the fixed connector 5, allows the same mobile connector 6, standard, to be used four terminals. In the movable connector, the neutral terminal can then be located either left (8n1, figure 3), or right (8n 2, figure 4) and by a simple lateral offset, the pitch of the movable connector, the neutral terminal is aligned (with 9 or 10) with one of the neutral terminals of the fixed connector when the associated phase terminals are coupled.

Grâce à l'invention, l'ensemble de connexion est standardisé, tant en ce qui concerne le connecteur fixe que le connecteur mobile. La différenciation entre les disjoncteurs ayant le pôle neutre à droite ou à gauche peut se faire très tardivement, au niveau du distributeur plutôt qu'au centre de production.Thanks to the invention, the connection assembly is standardized, both with regard to the fixed connector as the movable connector. The differentiation between the circuit breakers having the pole neutral on the right or on the left can be done very late, at the distributor level rather than at the production center.

De plus, le coût d'une borne supplémentaire dans le connecteur fixe est totalement négligeable et la filerie est réduite au minimum.In addition, the cost of an additional terminal in the fixed connector is completely negligible and wiring is minimized.

Les bornes additionnelles du connecteur fixe 5 représentées à la figure 2 ne servent pas à la connexion entre les capteurs du courant et le déclencheur. Elles sont utilisées pour la connexion du déclencheur à certaines fonctions auxiliaires, comme une alimentation ou le relais de commande du déclenchement, par exemple.The additional terminals of the fixed connector 5 shown in Figure 2 are not used for connection between the current sensors and the release. They are used for the connection of the release to certain auxiliary functions, such as a power supply or the relay trigger control, for example.

Claims (2)

  1. A connection assembly comprising a first, stationary, connector (5), securedly affixed to the case of an electronic trip device (2) of a circuit breaker protecting a polyphase and neutral electrical power system, and a second, movable, connector (6), the first and second connectors (5, 6) comprising complementary terminals (7,8) designed to be connected when the connectors are plugged in, the terminals of a connector being separated by a preset pitch d, the stationary connector (5) comprising phase terminals (7a, 7b, 7c) and neutral terminals (7n1, 7n2) respectively connected to phase inputs (Ea, Eb, Ec) and neutral inputs (En) of the trip device, and the movable connector (6) comprising phase and neutral terminals respectively connected to phase current transformers (4a, 4b, 4c) and a neutral current transformer (4n), an assembly characterized in that the stationary connector (5) comprises two neutral terminals (7n1, 7n2) arranged on each side of a number p of phase terminals (7a, 7b, 7c), the movable connector (6) comprising a number p + 1 of terminals.
  2. The assembly according to claim 1, characterized in that the number p is equal to 3.
EP19960410097 1995-10-11 1996-09-20 Connector assembly Expired - Lifetime EP0768696B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9512113A FR2739973B1 (en) 1995-10-11 1995-10-11 CONNECTION ASSEMBLY
FR9512113 1995-10-11

Publications (2)

Publication Number Publication Date
EP0768696A1 EP0768696A1 (en) 1997-04-16
EP0768696B1 true EP0768696B1 (en) 2002-01-30

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EP19960410097 Expired - Lifetime EP0768696B1 (en) 1995-10-11 1996-09-20 Connector assembly

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DE (1) DE69618891T2 (en)
FR (1) FR2739973B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2789524B1 (en) * 1999-02-05 2001-03-16 Schneider Electric Ind Sa CONNECTION ASSEMBLY FOR A CIRCUIT BREAKER
FR3054716B1 (en) * 2016-07-29 2018-09-07 Hager-Electro Sas ELECTRONIC TRIGGER FOR ELECTRIC LINE PROTECTION APPARATUS

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4258969A (en) * 1979-11-19 1981-03-31 Stallard Jerrel L Reversing plug connector
FR2703506B1 (en) * 1993-04-01 1995-05-12 Merlin Gerin Circuit breaker comprising a device for connecting trip devices.

Also Published As

Publication number Publication date
FR2739973A1 (en) 1997-04-18
FR2739973B1 (en) 1997-12-05
DE69618891D1 (en) 2002-03-14
EP0768696A1 (en) 1997-04-16
DE69618891T2 (en) 2003-02-13

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