EP0951044B1 - Indicating auxiliary block for a circuit breaker - Google Patents

Indicating auxiliary block for a circuit breaker Download PDF

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Publication number
EP0951044B1
EP0951044B1 EP19990410033 EP99410033A EP0951044B1 EP 0951044 B1 EP0951044 B1 EP 0951044B1 EP 19990410033 EP19990410033 EP 19990410033 EP 99410033 A EP99410033 A EP 99410033A EP 0951044 B1 EP0951044 B1 EP 0951044B1
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EP
European Patent Office
Prior art keywords
circuit breaker
auxiliary
open
indication
unit according
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
EP19990410033
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German (de)
French (fr)
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EP0951044A1 (en
Inventor
Jean-Marie Duchene
Jean-Claude Maton
Michel Vlemincq
André Deprez
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Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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Publication date
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Publication of EP0951044A1 publication Critical patent/EP0951044A1/en
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Classifications

    • 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
    • H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
    • H01H71/462—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts housed in a separate casing, juxtaposed to and having the same general contour as the main casing

Definitions

  • the document EP 303965 describes an auxiliary block for signaling of the kind mentioned, including two juxtaposed levers and projecting from the front of the housing.
  • the first lever is used to activate the mechanism of one of the switches - reversers to allow manual engagement of the latter, and to indicate the switching position.
  • the second joystick is coupled to the joystick of the circuit breaker and serves for the simultaneous switching on of the auxiliary unit and the circuit breaker.
  • the document EP147605 relates to an auxiliary switchable signaling unit, one of the reversing switches can be locked in the latching position by means of a stop pawl cooperating with the control lever, which crosses the front face of the housing. A selector limits the area of pivoting of the pawl.
  • the object of the invention is to provide an auxiliary signaling unit without exposed lever, and having a switch-reverser which can be easily transformed into an open - closed position switch, or a fault signal.
  • the auxiliary unit according to the invention is characterized in that the lever actuator is housed inside the housing being provided with said tab drive, and further comprises cam means arranged so that the second reversing switch indicates either said first OF signaling open - closed, i.e. a second SD fault signaling signaling the triggering of the breaker.
  • a pair of control rods is associated with the operating lever the second changeover switch; one of the links cooperating with the means cam of the actuating lever, and the other rod being coupled to a plate rotary mechanism.
  • the operating lever of the first changeover switch is pivotally mounted on the turntable pivot, and is driven by it between the extreme closed and open positions.
  • the actuating lever is driven to an intermediate position when the circuit breaker trips, the rearming of the auxiliary unit taking place during the passage of the lever actuation from the intermediate position to the open position.
  • the cam the lever for the OF version does not act on the link during resetting, and confirms the first open signaling of the second reversing switch.
  • the cam of the SD version lever acts on the link during resetting, to cause the bistable lever to tip over and the second one to switch switch - reverser, the second signaling indicating the passage of the position fault to reset position - open.
  • the two devices OF and SD not switchable can be replaced by a single switchable device equipped with a selector for transforming the profile of the actuating lever by means of an adjustable cam.
  • an auxiliary signaling unit 10 and housed in a housing 12 intended to be attached to a switchgear, in particular a circuit breaker 14, with coupling of a first mechanical trigger link 16 and a second mechanical reset link 18.
  • the auxiliary signaling unit 10 is equipped with a drive tab 20 projecting from the housing 12 through a first curvilinear orifice 22, and capable of being coupled to the pivoting support 24 of the handle 26 of the circuit breaker 14 to form the second mechanical connection 18.
  • a trigger pin 28 passes through a second orifice 30 of the housing 12, and is intended to fit into the tripping bar of the circuit breaker 14 to constitute the first mechanical link 16 for triggering.
  • Snap hooks 32, 34 are provided on the side face of the housing 12 to allow the fixing of the block auxiliary 10 on the circuit breaker 14.
  • the mechanism 35 of the circuit breaker 14 is of the type described in patent FR 2 616 583 in which the lever 26 can occupy during the triggering an intermediate position located between the two extreme positions opening and closing.
  • the housing 12 of the auxiliary signaling unit 10 contains two reversing switches 36, 38 controlled by a control mechanism 40, capable of being coupled to the mechanism 35 of the circuit breaker 14 by the two links mechanical 16, 18.
  • Each change-over switch 36, 38 is composed of a movable contact 42, 44 cooperating with a pair of fixed contacts 46, 48; 50, 52.
  • the first change-over switch 38 on the right allows OF (open / closed) signaling
  • the second reversing circuit 36 on the left indicates OF (open / closed) or SD signaling (fault signal) as a function of the cam profile of the actuating handle 54.
  • Contacts 42, 46, 48 of the second reversing switch 36 on the left are connected electrically at connection terminals 56, 58, 60 housed in cells on the small left side face of the housing 12.
  • Contacts 44, 50, 52 of the first reversing switch 38 are electrically connected to terminals of connection 62, 64, 66 provided on the small right side face.
  • the actuating handle 54 is mounted with limited rotation on an axis 68 inside of the housing 12, and carries the drive tab 20 eccentric with respect to the axis 68.
  • a transmission link 70 connects the actuating handle 54 to the hook hooking 72 of the mechanism 40, which comprises a rotary plate 74, and a trigger lever 76.
  • the trigger pin 28 is secured to the lever of the trigger 76, extending parallel to the drive tab 20.
  • the rotary plate 74 can rotate around a pivot 78 between two positions extremes, and the trigger lever 76 is articulated on an axis 80 integral with the plate 74.
  • the movable contacts 42, 44 are shaped according to metal blades flexible, actuated by a pair of operating levers 82, 84 bistable cooperating with springs 86, 88 housed in guide members 90.92.
  • a pair of control rods 94, 96 cooperating at their ends opposite respectively with a stop 55 of the housing 12 (OF) or the lever 54 (SD) and the plate 74.
  • the other operating lever 84 of the movable contact 44 associated with the first inverter circuit 38 is pivotally mounted on pivot 78 so as to be driven by the rotary plate 74 between the two extreme positions.
  • the end bent rod 96 moves into an oblong hole 98 in the area of articulation with the lever 82.
  • the operation of the auxiliary signaling unit 10 in OF-OF version is shown in FIGS. 4 to 10.
  • the internal handle 54 in this case comprises a first configuration of the profile 54A allowing the control rod 94 to come to bear on the stop 55 of the housing 12.
  • the signaling unit 10 being in the closed state (FIG. 4), the movable contact 42 is in engagement against the fixed contact 46, and the other movable contact 44 is in press on the fixed contact 50.
  • the auxiliary signaling unit 10 is actuated by the tab drive 20 of the second mechanical link 18, causing movement of tilting of the handle 54 in an anticlockwise direction.
  • the Figure 5 shows the mechanism 40 in the vicinity of the dead center of the two levers operation 82, 84.
  • the two movable contacts 42, 44 are driven towards a position separation center with the corresponding fixed contacts.
  • the shift from neutral to the two levers 82, 84 causes the simultaneous switching of the two movable contacts 42, 44, which arrive respectively against the fixed contact 48 of the reversing circuit 36, and the fixed contact 52 of the inverter circuit 38.
  • the auxiliary signaling unit 10 also delivers two signals representative of the open state of the circuit breaker 14.
  • the manual closing operation of the auxiliary signaling unit takes place in opposite direction of Figures 4 to 6 after actuation of the handle 26 of the circuit breaker 14 towards the closed state.
  • the closed state of the auxiliary unit 10 corresponds to FIG. 4.
  • the movement of tripping of circuit breaker 14 following a fault detection is transmitted to the auxiliary unit 10 by the first mechanical link 16, pivoting the lever trigger 76 counterclockwise to unlock the attachment with the hook 72 of the mechanism 40 (Figure 7).
  • Joystick 54 is also driven by the tab 20 of the second mechanical connection 18 to a intermediate position (figure 8) corresponding to the triggered position of the lever 26 of the circuit breaker 14.
  • the opening spring rotates the plate 74 in the direction counterclockwise to bring it to a stop.
  • Platinum 74 drives the two levers 82, 84 bistable beyond neutral, and the two contacts movable 42, 44 are respectively switched to the fixed contacts 48, 52 corresponding to the open triggered state ( Figure 9).
  • Tilting lever 82 takes place via the link 96.
  • the auxiliary signaling unit 10 thus delivers two signals representative of the open or closed state of the circuit breaker.
  • the circuit breaker is reset by tilting the handle 26 of the circuit breaker 14 from the intermediate position tripped towards the open position.
  • the second mechanical link 18 brings the hook 72 back to an armed position, following driving the joystick 54 to the end position of the opening stroke.
  • the lever 82 remains stationary during this rearming maneuver, because the link 94 is not activated.
  • the contacts mobiles 42, 44 remain in the same position as that illustrated in FIG. 9.
  • Resetting from the triggered position - open in Figure 9 is carried out following the drive of the lever 154 from the intermediate position to the position open ( Figure 13).
  • the hook 72 is reset, and the cam 54B of the lever 154 causes the rod 94 to descend, followed by the tilting of the bistable lever 82.
  • the movable contact 42 is switched from the fixed contact 48 (default position) to the other fixed contact 46 (reset position - open in Figure 14).
  • the mobile contact 44 of the other reversing switch 38 remains stationary during the resetting phase, and indicates the open position.
  • the two versions OF-OF and SD-OF of the auxiliary signaling unit constitute two separate non-switchable devices, which differ from each other by the profile of the internal handles 54, 154.
  • FIGS. 15 to 18 represent an auxiliary signaling block 100 which can be switched, comprising a selector 102 disposed in the vicinity of the orifice 22 of the tab drive 20.
  • the selector 102 is pivotable by means of a recess for screwdriver, between two stable positions, shown in Figures 17 and 18, and corresponding respectively to the SD-OF version and the OF-OF version.
  • a window 104 is housed in the front face of the housing 12 for viewing the position of selector 102.
  • the auxiliary signaling unit 100 comprises a lever 254 convertible into a controller 54 of the OF version, or a controller 154 of the SD version depending on the position of the selector 102.
  • the lever 254 is provided with a base 106 mounted at pivot on the axis 68, and equipped with the drive tab 20.
  • the selector 102 cooperates with an adjustable cam 108 pivotally mounted on an axis 110 of the base 106.
  • the selector 102 is in the first position adjustment (6 hours), and does not come into engagement with the cam 108 during the rotation of the lever 254.
  • the end of the cam 108 is bevelled, and engages between the base 106 and the link 94 so as to push the latter towards the bottom during the rearming maneuver ( Figures 20 and 21).
  • the selector 102 is positioned in the second adjustment position (4 o'clock), by turning cam 108 counterclockwise Clockwise.
  • the cam 108 passes under the link 94 during the movement of rotation of the lever 254.

Landscapes

  • Breakers (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Description

L'invention est relative à un bloc auxiliaire de signalisation à boítier destiné à être accolé à un disjoncteur et comprenant deux commutateurs inverseurs commandés manuellement ou automatiquement par un mécanisme accouplé au disjoncteur par une première liaison mécanique de déclenchement, et une deuxième liaison mécanique de réarmement, transmettant respectivement au mécanisme du bloc auxiliaire un mouvement de déclenchement en provenance du déclencheur du disjoncteur après détection d'un défaut, et la position de la manette du disjoncteur, ledit mécanisme du bloc auxiliaire comportant:

  • une manette d'actionnement,
  • une patte d'entraínement traversant un premier orifice du boítier pour former ladite deuxième liaison mécanique,
  • un téton de déclenchement traversant un deuxième orifice du boítier,
  • et deux leviers de manoeuvre associés à des ressorts pour assurer la commutation des contacts mobiles des commutateurs inverseurs, dont le premier indique une première signalisation OF ouvert - fermé du disjoncteur.
The invention relates to an auxiliary signaling unit with a housing intended to be attached to a circuit breaker and comprising two reversing switches controlled manually or automatically by a mechanism coupled to the circuit breaker by a first mechanical tripping link, and a second mechanical reset link. , transmitting respectively to the mechanism of the auxiliary unit a tripping movement coming from the trip unit of the circuit breaker after detection of a fault, and the position of the handle of the circuit breaker, said mechanism of the auxiliary unit comprising:
  • an actuation handle,
  • a drive tab passing through a first orifice of the housing to form said second mechanical connection,
  • a trigger pin passing through a second orifice of the housing,
  • and two operating levers associated with springs to ensure the switching of the movable contacts of the reversing switches, the first of which indicates a first open - closed OF signaling of the circuit breaker.

Le document EP 303965 décrit un bloc auxiliaire de signalisation du genre mentionné, comprenant deux manettes juxtaposées et faisant saillie de la face avant du boítier. La première manette sert à actionner le mécanisme de l'un des commutateurs - inverseurs pour permettre l'enclenchement manuel de ce dernier, et pour indiquer la position de commutation. La deuxième manette est accouplée à la manette du disjoncteur et sert à l'enclenchement simultané du bloc auxiliaire et du disjoncteur.The document EP 303965 describes an auxiliary block for signaling of the kind mentioned, including two juxtaposed levers and projecting from the front of the housing. The first lever is used to activate the mechanism of one of the switches - reversers to allow manual engagement of the latter, and to indicate the switching position. The second joystick is coupled to the joystick of the circuit breaker and serves for the simultaneous switching on of the auxiliary unit and the circuit breaker.

Le document EP147605 se rapporte à un bloc auxiliaire de signalisation commutable, dont l'un des commutateurs inverseurs peut être bloqué en position d'enclenchement par l'intermédiaire d'un cliquet d'arrêt coopérant avec la manette de commande, laquelle traverse la face avant du boítier. Un sélecteur permet de limiter la zone de pivotement du cliquet d'arrêt.The document EP147605 relates to an auxiliary switchable signaling unit, one of the reversing switches can be locked in the latching position by means of a stop pawl cooperating with the control lever, which crosses the front face of the housing. A selector limits the area of pivoting of the pawl.

L'objet de l'invention consiste à réaliser un bloc auxiliaire de signalisation sans manette apparente, et ayant un commutateur - inverseur pouvant être facilement transformé en un commutateur de position ouvert - fermé, ou un commutateur de signal défaut. The object of the invention is to provide an auxiliary signaling unit without exposed lever, and having a switch-reverser which can be easily transformed into an open - closed position switch, or a fault signal.

Le bloc auxiliaire selon l'invention est caractérisé en ce que la manette d'actionnement est logée à l'intérieur du boítier en étant dotée de ladite patte d'entraínement, et comporte de plus des moyens de came agencés pour que le deuxième commutateur inverseur indique soit ladite première signalisation OF ouvert - fermé, soit une deuxième signalisation SD de défaut signalant le déclenchement du disjoncteur. Une paire de biellettes de commande est associée au levier de manoeuvre du deuxième commutateur - inverseur; l'une des biellettes coopérant avec les moyens de came de la manette d'actionnement, et l'autre biellette étant accouplée à une platine rotative du mécanisme.The auxiliary unit according to the invention is characterized in that the lever actuator is housed inside the housing being provided with said tab drive, and further comprises cam means arranged so that the second reversing switch indicates either said first OF signaling open - closed, i.e. a second SD fault signaling signaling the triggering of the breaker. A pair of control rods is associated with the operating lever the second changeover switch; one of the links cooperating with the means cam of the actuating lever, and the other rod being coupled to a plate rotary mechanism.

On passe ainsi facilement de la version OF à la version SD par le remplacement de la manette, le reste du mécanisme restant inchangé.It is thus easy to go from the OF version to the SD version by replacing the lever, the rest of the mechanism remains unchanged.

Selon une caractéristique de l'invention, le levier de manoeuvre du premier commutateur - inverseur est monté à pivotement sur le pivot de la platine, et est entraíné par elle entre les positions extrêmes de fermeture et d'ouverture.According to a characteristic of the invention, the operating lever of the first changeover switch is pivotally mounted on the turntable pivot, and is driven by it between the extreme closed and open positions.

Selon un mode de réalisation préférentiel, la manette d'actionnement est entraínée vers une position intermédiaire lors d'un déclenchement du disjoncteur, le réarmement du bloc auxiliaire s'effectuant lors du passage de la manette d'actionnement de la position intermédiaire vers la position d'ouverture. La came de la manette pour la version OF n'agit pas sur la biellette lors du réarmement, et confirme la première signalisation ouvert du deuxième commutateur - inverseur. La came de la manette de la version SD agit sur la biellette lors du réarmement, pour provoquer le basculement du levier bistable, et la commutation du deuxième commutateur - inverseur, la deuxième signalisation indiquant le passage de la position de défaut vers la position réarmé - ouvert.According to a preferred embodiment, the actuating lever is driven to an intermediate position when the circuit breaker trips, the rearming of the auxiliary unit taking place during the passage of the lever actuation from the intermediate position to the open position. The cam the lever for the OF version does not act on the link during resetting, and confirms the first open signaling of the second reversing switch. The cam of the SD version lever acts on the link during resetting, to cause the bistable lever to tip over and the second one to switch switch - reverser, the second signaling indicating the passage of the position fault to reset position - open.

Selon un développement de l'invention, les deux appareils OF et SD non commutables, peuvent être remplacés par un seul appareil commutable équipé d'un sélecteur permettant de transformer le profil de la manette d'actionnement au moyen d'une came ajustable.According to a development of the invention, the two devices OF and SD not switchable, can be replaced by a single switchable device equipped with a selector for transforming the profile of the actuating lever by means of an adjustable cam.

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

  • la figure 1 est une vue en perspective d'un bloc auxiliaire de signalisation selon l'invention, le bloc étant représenté du côté des liaisons d'accouplement mâles ;
  • la figure 2 est une vue schématique de l'association du bloc auxiliaire de signalisation avec un disjoncteur de protection ;
  • la figure 3 montre une vue en perspective du mécanisme du bloc auxiliaire de signalisation après enlèvement du couvercle du boítier ;
  • les figures 4 à 10 représentent la première version OF-OF du bloc auxiliaire de signalisation dans les positions suivantes :
    • figure 4 : fermé,
    • figure 5 : passage de point mort après ouverture manuelle,
    • figure 6 : ouvert après ouverture manuelle,
    • figure 7 : déverrouillage du mécanisme suite à un déclenchement du disjoncteur,
    • figure 8 : passage des points morts au déclenchement,
    • figure 9 : déclenché - ouvert
    • figure 10 : réarmé - ouvert suite au réarmement par le disjoncteur,
  • les figures 11 à 14 montrent la deuxième version SD - OF du bloc auxiliaire de signalisation dans les positions suivantes :
    • figure 11 : passage de point mort du levier bistable droit après ouverture manuelle,
    • figure 12 : ouvert après ouverture manuelle,
    • figure 13 : passage de point mort du levier bistable gauche lors du réarmement,
    • figure 14 : réarmé - ouvert suite au réarmement par le disjoncteur,
  • la figure 15 montre une vue en perspective d'un bloc auxiliaire de signalisation commutable OF-OF / SD-OF, et vice versa ;
  • la figure 16 est une vue de profil de la figure 15 ;
  • les figures 17 et 18 sont des vues de détail à échelles agrandies du sélecteur de la figure 15, respectivement dans la position SD et OF ;
  • les figures 19 à 21 montrent le sélecteur en position SD avec différentes positions de la manette lors d'une phase de réarmement ;
  • les figures 22 à 24 représentent le sélecteur en position OF avec différentes positions de la manette lors du réarmement.
Other advantages and characteristics will emerge more clearly from the description which follows of an embodiment of the invention, given by way of nonlimiting example and represented in the appended drawings in which:
  • Figure 1 is a perspective view of an auxiliary signaling block according to the invention, the block being shown on the side of the male coupling links;
  • Figure 2 is a schematic view of the association of the auxiliary signaling unit with a protective circuit breaker;
  • Figure 3 shows a perspective view of the mechanism of the auxiliary signaling unit after removal of the housing cover;
  • Figures 4 to 10 show the first OF-OF version of the auxiliary signaling unit in the following positions:
    • figure 4: closed,
    • figure 5: shift from neutral after manual opening,
    • figure 6: open after manual opening,
    • FIG. 7: unlocking of the mechanism following tripping of the circuit breaker,
    • FIG. 8: passage from neutral to triggering,
    • figure 9: triggered - open
    • figure 10: reset - open following reset by the circuit breaker,
  • Figures 11 to 14 show the second SD - OF version of the auxiliary signaling unit in the following positions:
    • figure 11: passage of neutral position of the right bistable lever after manual opening,
    • figure 12: open after manual opening,
    • figure 13: passage of neutral position of the left bistable lever during resetting,
    • Figure 14: reset - open following reset by the circuit breaker,
  • FIG. 15 shows a perspective view of an auxiliary OF-OF / SD-OF switchable signaling unit, and vice versa;
  • Figure 16 is a side view of Figure 15;
  • Figures 17 and 18 are detail views on enlarged scales of the selector of Figure 15, respectively in the position SD and OF;
  • FIGS. 19 to 21 show the selector in the SD position with different positions of the lever during a rearming phase;
  • Figures 22 to 24 show the selector in the OF position with different positions of the lever during resetting.

Sur les figures 1 et 2, un bloc auxiliaire de signalisation 10 et logé dans un boítier 12 destiné à être accolé à un appareillage de coupure, notamment un disjoncteur 14, avec accouplement d'une première liaison mécanique 16 de déclenchement et d'une deuxième liaison mécanique 18 de réarmement. Le bloc auxiliaire de signalisation 10 est équipé d'une patte d'entraínement 20 faisant saillie du boítier 12 à travers un premier orifice 22 curviligne, et susceptible d'être accouplé au support 24 pivotant de la manette 26 du disjoncteur 14 pour former la deuxième liaison mécanique 18. Un téton de déclenchement 28 traverse un deuxième orifice 30 du boítier 12, et est destiné à s'emboíter dans la barre de déclenchement du disjoncteur 14 pour constituer la première liaison mécanique 16 de déclenchement. Des crochets d'encliquetage 32, 34 sont prévus sur la face latérale du boítier 12 pour permettre la fixation du bloc auxiliaire 10 sur le disjoncteur 14. Le mécanisme 35 du disjoncteur 14 est du type décrit dans le brevet FR 2 616 583 dans lequel la manette 26 peut occuper lors du déclenchement une position intermédiaire située entre les deux positions extrêmes d'ouverture et de fermeture.In Figures 1 and 2, an auxiliary signaling unit 10 and housed in a housing 12 intended to be attached to a switchgear, in particular a circuit breaker 14, with coupling of a first mechanical trigger link 16 and a second mechanical reset link 18. The auxiliary signaling unit 10 is equipped with a drive tab 20 projecting from the housing 12 through a first curvilinear orifice 22, and capable of being coupled to the pivoting support 24 of the handle 26 of the circuit breaker 14 to form the second mechanical connection 18. A trigger pin 28 passes through a second orifice 30 of the housing 12, and is intended to fit into the tripping bar of the circuit breaker 14 to constitute the first mechanical link 16 for triggering. Snap hooks 32, 34 are provided on the side face of the housing 12 to allow the fixing of the block auxiliary 10 on the circuit breaker 14. The mechanism 35 of the circuit breaker 14 is of the type described in patent FR 2 616 583 in which the lever 26 can occupy during the triggering an intermediate position located between the two extreme positions opening and closing.

En référence à la figure 3, le boítier 12 du bloc auxiliaire de signalisation 10 renferme deux commutateurs inverseurs 36, 38 pilotés par un mécanisme 40 de commande, susceptible d'être accouplé au mécanisme 35 du disjoncteur 14 par les deux liaisons mécaniques 16, 18.Referring to Figure 3, the housing 12 of the auxiliary signaling unit 10 contains two reversing switches 36, 38 controlled by a control mechanism 40, capable of being coupled to the mechanism 35 of the circuit breaker 14 by the two links mechanical 16, 18.

Chaque commutateur - inverseur 36, 38 est composé d'un contact mobile 42, 44 coopérant avec une paire de contacts fixes 46, 48 ; 50, 52. Le premier commutateur-inverseur 38 de droite permet une signalisation OF (ouvert / fermé), et le deuxième circuit inverseur 36 de gauche indique une signalisation OF (ouvert / fermé) ou SD (signal défaut) en fonction du profil de came de la manette d'actionnement 54. Les contacts 42, 46, 48 du deuxième commutateur inverseur 36 de gauche sont reliés électriquement à des bornes de raccordement 56, 58, 60 logées dans des alvéoles sur la petite face latérale de gauche du boítier 12. Les contacts 44, 50, 52 du premier commutateur inverseur 38 sont connectés électriquement à des bornes de raccordement 62, 64, 66 prévues sur la petite face latérale de droite.Each change-over switch 36, 38 is composed of a movable contact 42, 44 cooperating with a pair of fixed contacts 46, 48; 50, 52. The first change-over switch 38 on the right allows OF (open / closed) signaling, and the second reversing circuit 36 on the left indicates OF (open / closed) or SD signaling (fault signal) as a function of the cam profile of the actuating handle 54. Contacts 42, 46, 48 of the second reversing switch 36 on the left are connected electrically at connection terminals 56, 58, 60 housed in cells on the small left side face of the housing 12. Contacts 44, 50, 52 of the first reversing switch 38 are electrically connected to terminals of connection 62, 64, 66 provided on the small right side face.

La manette d'actionnement 54 est montée à rotation limitée sur un axe 68 à l'intérieur du boítier 12, et porte la patte d'entraínement 20 excentrée par rapport à l'axe 68. Une biellette 70 de transmission relie la manette d'actionnement 54 au crochet d'accrochage 72 du mécanisme 40, lequel comporte une platine 74 rotative, et un levier de déclenchement 76. Le téton de déclenchement 28 est solidarisé au levier du déclenchement 76, en s'étendant parallèlement à la patte d'entraínement 20.The actuating handle 54 is mounted with limited rotation on an axis 68 inside of the housing 12, and carries the drive tab 20 eccentric with respect to the axis 68. A transmission link 70 connects the actuating handle 54 to the hook hooking 72 of the mechanism 40, which comprises a rotary plate 74, and a trigger lever 76. The trigger pin 28 is secured to the lever of the trigger 76, extending parallel to the drive tab 20.

La platine 74 rotative peut tourner autour d'un pivot 78 entre deux positions extrêmes, et le levier de déclenchement 76 est articulé sur un axe 80 solidaire de la platine 74. Les contacts mobiles 42, 44 sont conformés selon des lames métalliques flexibles, actionnées par une paire de leviers de manoeuvre 82, 84 bistables coopérant avec des ressorts 86, 88 logés dans des organes de guidage 90,92. The rotary plate 74 can rotate around a pivot 78 between two positions extremes, and the trigger lever 76 is articulated on an axis 80 integral with the plate 74. The movable contacts 42, 44 are shaped according to metal blades flexible, actuated by a pair of operating levers 82, 84 bistable cooperating with springs 86, 88 housed in guide members 90.92.

Au levier de manoeuvre 82 de contact mobile 42 associé au circuit inverseur 36 est articulée une paire de biellettes de commande 94, 96 coopérant par leurs extrémités opposées respectivement avec une butée 55 du boítier 12 (OF) ou la manette 54 (SD) et la platine 74. L'autre levier de manoeuvre 84 du contact mobile 44 associé au premier circuit inverseur 38, est monté à pivotement sur le pivot 78 de manière à être entraíné par la platine 74 rotative entre les deux positions extrêmes. L'extrémité recourbée de la biellette 96 se déplace dans un trou oblong 98 ménagé dans la zone d'articulation avec le levier 82.At the operating lever 82 for moving contact 42 associated with the reversing circuit 36 is articulated a pair of control rods 94, 96 cooperating at their ends opposite respectively with a stop 55 of the housing 12 (OF) or the lever 54 (SD) and the plate 74. The other operating lever 84 of the movable contact 44 associated with the first inverter circuit 38, is pivotally mounted on pivot 78 so as to be driven by the rotary plate 74 between the two extreme positions. The end bent rod 96 moves into an oblong hole 98 in the area of articulation with the lever 82.

1) Le fonctionnement du bloc auxiliaire de signalisation 10 en version OF-OF est représenté sur les figures 4 à 10. La manette 54 interne comprend dans ce cas une première configuration du profil 54A permettant à la biellette de commande 94 de venir s'appuyer sur la butée 55 du boítier 12. 1) The operation of the auxiliary signaling unit 10 in OF-OF version is shown in FIGS. 4 to 10. The internal handle 54 in this case comprises a first configuration of the profile 54A allowing the control rod 94 to come to bear on the stop 55 of the housing 12.

1.1.- OUVERTURE MANUELLE1.1.- MANUAL OPENING

Le bloc de signalisation 10 étant dans l'état fermé (figure 4), le contact mobile 42 est en engagement contre le contact fixe 46, et l'autre contact mobile 44 se trouve en appui sur le contact fixe 50. Lors d'une manoeuvre manuelle du disjoncteur 14 au moyen de la manette 26, le bloc auxiliaire de signalisation 10 est actionné par la patte d'entraínement 20 de la deuxième liaison mécanique 18, provoquant un mouvement de basculement de la manette 54 dans le sens inverse des aiguilles d'une montre. La figure 5 montre le mécanisme 40 au voisinage du point mort des deux leviers de manoeuvre 82, 84. Les deux contacts mobiles 42, 44 sont entraínés vers une position médiane de séparation avec les contacts fixes correspondants. Lorsque la manette 54 arrive dans la position extrême de gauche correspondant à l'état ouvert du bloc auxiliaire 10 (figure 6), le passage de point mort des deux leviers 82, 84 provoque la commutation simultanée des deux contacts mobiles 42, 44, lesquels arrivent respectivement contre le contact fixe 48 du circuit inverseur 36, et le contact fixe 52 du circuit inverseur 38. Le bloc auxiliaire de signalisation 10 délivre aussi deux signaux représentatifs de l'état ouvert du disjoncteur 14.The signaling unit 10 being in the closed state (FIG. 4), the movable contact 42 is in engagement against the fixed contact 46, and the other movable contact 44 is in press on the fixed contact 50. During manual operation of the circuit breaker 14 at by means of the lever 26, the auxiliary signaling unit 10 is actuated by the tab drive 20 of the second mechanical link 18, causing movement of tilting of the handle 54 in an anticlockwise direction. The Figure 5 shows the mechanism 40 in the vicinity of the dead center of the two levers operation 82, 84. The two movable contacts 42, 44 are driven towards a position separation center with the corresponding fixed contacts. When the joystick 54 arrives in the extreme left position corresponding to the open state of the block auxiliary 10 (Figure 6), the shift from neutral to the two levers 82, 84 causes the simultaneous switching of the two movable contacts 42, 44, which arrive respectively against the fixed contact 48 of the reversing circuit 36, and the fixed contact 52 of the inverter circuit 38. The auxiliary signaling unit 10 also delivers two signals representative of the open state of the circuit breaker 14.

1.2.- FERMETURE MANUELLE1.2.- MANUAL CLOSING

La manoeuvre de fermeture manuelle du bloc auxiliaire de signalisation s'opère en sens inverse des figures 4 à 6 après actionnement de la manette 26 du disjoncteur 14 vers l'état fermé. The manual closing operation of the auxiliary signaling unit takes place in opposite direction of Figures 4 to 6 after actuation of the handle 26 of the circuit breaker 14 towards the closed state.

1.3.- DECLENCHEMENT SUR DEFAUT1.3.- FAULT TRIGGERING

L'état fermé du bloc auxiliaire 10 correspond à la figure 4. Le mouvement de déclenchement du disjoncteur 14 à la suite d'une détection de défaut est transmis au bloc auxiliaire 10 par la première liaison mécanique 16, faisant pivoter le levier de déclenchement 76 dans le sens inverse des aiguilles d'une montre pour déverrouiller l'accrochage avec le crochet 72 du mécanisme 40 (figure 7). La manette 54 est également entraínée par la patte 20 de la deuxième liaison mécanique 18 jusqu'à une position intermédiaire (figure 8) correspondant à la position déclenché de la manette 26 du disjoncteur 14. Le ressort d'ouverture fait tourner la platine 74 dans le sens inverse des aiguilles d'une montre pour l'amener jusqu'à une butée. La platine 74 entraíne les deux leviers 82, 84 bistables au-delà du point mort, et les deux contacts mobiles 42, 44 sont commutés respectivement vers les contacts fixes 48, 52 correspondant à l'état déclenché ouvert (figure 9). Le basculement du levier 82 s'effectue par l'intermédiaire de la biellette 96. Le bloc auxiliaire de signalisation 10 délivre ainsi deux signaux représentatifs de l'état ouvert ou fermé du disjoncteur.The closed state of the auxiliary unit 10 corresponds to FIG. 4. The movement of tripping of circuit breaker 14 following a fault detection is transmitted to the auxiliary unit 10 by the first mechanical link 16, pivoting the lever trigger 76 counterclockwise to unlock the attachment with the hook 72 of the mechanism 40 (Figure 7). Joystick 54 is also driven by the tab 20 of the second mechanical connection 18 to a intermediate position (figure 8) corresponding to the triggered position of the lever 26 of the circuit breaker 14. The opening spring rotates the plate 74 in the direction counterclockwise to bring it to a stop. Platinum 74 drives the two levers 82, 84 bistable beyond neutral, and the two contacts movable 42, 44 are respectively switched to the fixed contacts 48, 52 corresponding to the open triggered state (Figure 9). Tilting lever 82 takes place via the link 96. The auxiliary signaling unit 10 thus delivers two signals representative of the open or closed state of the circuit breaker.

1.4.- REARMEMENT DU DISJONCTEUR1.4.- RESET OF THE CIRCUIT BREAKER

Le réarmement du disjoncteur s'effectue en faisant basculer la manette 26 du disjoncteur 14 de la position intermédiaire déclenché vers la position ouvert. La deuxième liaison mécanique 18 ramène le crochet 72 vers une position armée, suite à l'entraínement de la manette 54 vers la position de fin de course d'ouverture. Le levier 82 reste immobile durant cette manoeuvre de réarmement, car la biellette 94 n'est pas actionnée. Dans la position réarmé - ouvert de la figure 10, les contacts mobiles 42, 44 restent dans la même position que celle illustrée à la figure 9.The circuit breaker is reset by tilting the handle 26 of the circuit breaker 14 from the intermediate position tripped towards the open position. The second mechanical link 18 brings the hook 72 back to an armed position, following driving the joystick 54 to the end position of the opening stroke. The lever 82 remains stationary during this rearming maneuver, because the link 94 is not activated. In the reset - open position in Figure 10, the contacts mobiles 42, 44 remain in the same position as that illustrated in FIG. 9.

Pour transformer le bloc de signalisation en version SD-OF, il suffit de remplacer la manette 54 de la version OF-OF par une manette 154 possédant une came 54B. Le reste du mécanisme 40 est identique à celui décrit précédemment en référence aux figures 4 à 10.To transform the signaling block into an SD-OF version, simply replace the lever 54 of the OF-OF version by a lever 154 having a cam 54B. The rest of the mechanism 40 is identical to that described above with reference to Figures 4 to 10.

2. Le fonctionnement du bloc auxiliaire de signalisation 10 en version SD-OF est illustré aux figures 11 à 14: 2. The operation of the auxiliary signaling unit 10 in SD-OF version is illustrated in Figures 11 to 14:

2.1.- OUVERTURE MANUELLE2.1.- MANUAL OPENING

A partir de la position fermée identique à celle de la figure 4, l'ouverture manuelle du disjoncteur 14 entraíne la manette 154 dans le sens inverse des aiguilles d'une montre, provoquant la rotation de la platine 74 dans le même sens. La platine 74 entraíne le levier 84 au voisinage du point mort ( figure 11) avec séparation du contact mobile 44 qui se trouve dans une position intermédiaire. Le basculement du levier 84 intervient en fin de course de la platine 74 (figure 12), avec commutation du contact mobile 44 sur le contact fixe 52. Le bloc auxiliaire de signalisation se trouve alors dans la position ouvert, et l'autre contact mobile 42 reste immobile en appui sur le contact fixe 46. L'ouverture manuelle est signalée par le premier commutateur inverseur 38.From the closed position identical to that of FIG. 4, the manual opening of the circuit breaker 14 drives the lever 154 anticlockwise, causing the rotation of the plate 74 in the same direction. The plate 74 drives the lever 84 in the vicinity of neutral (figure 11) with separation of the movable contact 44 which is in an intermediate position. Tilting of lever 84 occurs at the end of travel of the plate 74 (FIG. 12), with switching of the movable contact 44 on fixed contact 52. The auxiliary signaling unit is then in the open position, and the other movable contact 42 remains stationary in contact with the contact fixed 46. Manual opening is signaled by the first reversing switch 38.

2.2.- FERMETURE MANUELLE2.2.- MANUAL CLOSING

La fermeture manuelle par le disjoncteur 14 s'effectue en sens inverse des figures 12, 11 et 4, suite à la rotation de la manette 154 dans le sens des aiguilles d'une montre vers l'autre position extrême.Manual closing by the circuit breaker 14 is carried out in the opposite direction to FIGS. 12, 11 and 4, following the rotation of the lever 154 clockwise towards the other extreme position.

2.3.- DECLENCHEMENT SUR DEFAUT2.3.- FAULT TRIGGERING

Cette phase de déclenchement sur défaut de la version SD-OF est identique à celle de la version OF-OF des figures 7 à 9.This tripping phase on fault of the SD-OF version is identical to that of the OF-OF version of Figures 7 to 9.

2.4.- REARMEMENT2.4.- RESET

Le réarmement à partir de la position déclenché - ouvert de la figure 9, s'effectue suite à l'entraínement de la manette 154 de la position intermédiaire vers la position ouvert (figure 13). Le crochet 72 est réarmé, et la came 54B de la manette 154 provoque la descente de la biellette 94, suivie du basculement du levier bistable 82. Le contact mobile 42 est commuté du contact fixe 48 (position défaut) vers l'autre contact fixe 46 (position réarmé - ouvert sur figure 14). Le contact mobile 44 de l'autre commutateur - inverseur 38 reste immobile durant la phase de réarmement, et indique la position ouvert.Resetting from the triggered position - open in Figure 9, is carried out following the drive of the lever 154 from the intermediate position to the position open (Figure 13). The hook 72 is reset, and the cam 54B of the lever 154 causes the rod 94 to descend, followed by the tilting of the bistable lever 82. The movable contact 42 is switched from the fixed contact 48 (default position) to the other fixed contact 46 (reset position - open in Figure 14). The mobile contact 44 of the other reversing switch 38 remains stationary during the resetting phase, and indicates the open position.

Les deux versions OF-OF et SD-OF du bloc auxiliaire de signalisation constituent deux appareils distincts non commutables, lesquelles diffèrent l'un de l'autre par le profil des manettes 54, 154 internes.The two versions OF-OF and SD-OF of the auxiliary signaling unit constitute two separate non-switchable devices, which differ from each other by the profile of the internal handles 54, 154.

Les figures 15 à 18 représentent un bloc auxiliaire de signalisation 100 commutable, comprenant un sélecteur 102 disposé au voisinage de l'orifice 22 de la patte d'entraínement 20. Le sélecteur 102 est pivotant au moyen d'une empreinte pour tournevis, entre deux positions stables, représentées aux figures 17 et 18, et correspondant respectivement à la version SD- OF et à la version OF-OF. Une fenêtre 104 est logée dans la face avant du boítier 12 pour la visualisation de la position de sélecteur 102.FIGS. 15 to 18 represent an auxiliary signaling block 100 which can be switched, comprising a selector 102 disposed in the vicinity of the orifice 22 of the tab drive 20. The selector 102 is pivotable by means of a recess for screwdriver, between two stable positions, shown in Figures 17 and 18, and corresponding respectively to the SD-OF version and the OF-OF version. A window 104 is housed in the front face of the housing 12 for viewing the position of selector 102.

Le bloc auxiliaire de signalisation 100 comporte une manette 254 transformable en une manette 54 de la version OF, ou en une manette 154 de la version SD selon la position du sélecteur 102. La manette 254 est dotée d'une embase 106 montée à pivotement sur l'axe 68, et équipée de la patte d'entraínement 20. Le sélecteur 102 coopère avec une came 108 ajustable montée à pivotement sur un axe 110 de l'embase 106.The auxiliary signaling unit 100 comprises a lever 254 convertible into a controller 54 of the OF version, or a controller 154 of the SD version depending on the position of the selector 102. The lever 254 is provided with a base 106 mounted at pivot on the axis 68, and equipped with the drive tab 20. The selector 102 cooperates with an adjustable cam 108 pivotally mounted on an axis 110 of the base 106.

En version SD ( figures 19 à 21), le sélecteur 102 se trouve dans la première position d'ajustage (6 heures), et ne vient pas en engagement avec la came 108 durant la rotation de la manette 254. L'extrémité de la came 108 est taillée en biseau, et s'engage entre l'embase 106 et la biellette 94 de manière à pousser cette dernière vers le bas lors de la manoeuvre de réarmement (figures 20 et 21).In the SD version (Figures 19 to 21), the selector 102 is in the first position adjustment (6 hours), and does not come into engagement with the cam 108 during the rotation of the lever 254. The end of the cam 108 is bevelled, and engages between the base 106 and the link 94 so as to push the latter towards the bottom during the rearming maneuver (Figures 20 and 21).

En version OF ( figures 22 à 24), le sélecteur 102 est positionné dans la deuxième position d'ajustage (4 heures), en faisant pivoter la came 108 dans le sens inverse des aiguilles d'une montre. La came 108 passe sous la biellette 94 lors du mouvement de rotation de la manette 254.In the OF version (Figures 22 to 24), the selector 102 is positioned in the second adjustment position (4 o'clock), by turning cam 108 counterclockwise Clockwise. The cam 108 passes under the link 94 during the movement of rotation of the lever 254.

Claims (9)

  1. Auxiliary indication unit (10, 100) with a case (12) designed to be adjoined to a circuit breaker (14) and comprising two changeover switches (36, 38) operated manually or automatically by a mechanism (40) coupled to the circuit breaker (14) by a first mechanical tripping link (16), and a second mechanical resetting link (18), respectively transmitting to the mechanism (40) of the auxiliary unit (10, 100) a tripping movement originating from the trip device of the circuit breaker (14) after detection of a fault, and the position of the handle (26) of the circuit breaker (14), said mechanism (40) of the auxiliary unit (10, 100) comprising:
    an actuating handle (54, 154, 254),
    a drive lug (20) passing through a first orifice (22) of the case (12) to form said second mechanical link (18),
    a tripping pin (28) passing through a second orifice (30) of the case (12),
    and two operating levers (82, 84) associated to springs (86, 88) to perform switching of the movable contacts (42, 44) of the changeover switches (36, 38), the first (38) whereof provides a first open - closed OC indication of the circuit breaker (14),
    characterized in that the actuating handle (54, 154, 254) is housed inside the case (12) being equipped with said drive lug (20), and comprises in addition camming shapes (54A, 54B, 108) arranged so that the second changeover switch (36) provides either said first open - closed OC indication or a second fault signal FS indication indicating tripping of the circuit breaker (14), depending on the camming shapes.
  2. Auxiliary indication unit according to claim 1, characterized in that a pair of control rods (94, 96) is associated to the operating lever (82) of the second changeover switch (36), one of the rods (94) being directed towards the actuating handle (54, 154, 254), and the other rod (96) being coupled to a rotary plate (74) of the mechanism (40).
  3. Auxiliary indication unit according to claim 2, characterized in that the curved end of the rod (96) is housed in an oblong hole (98) of the operating lever (82) associated to the second changeover switch (36).
  4. Auxiliary indication unit according to claim 2 or 3, characterized in that the operating lever (84) of the first changeover switch (38) is mounted swivelling on the pivot (78) of the plate (74) and is driven thereby between the extreme closed and open positions.
  5. Auxiliary indication unit according to one of the claims 1 to 4, characterized in that each spring (86, 88) is housed in a guide part (90, 92) operating in conjunction with the corresponding operating lever (82, 84) to form a toggle with dead point passage.
  6. Auxiliary indication unit according to one of the claims 2 to 5, wherein the actuating handle (54, 154, 254) is driven to an intermediate position when tripping of the circuit breaker (14) takes place, said intermediate position being situated between extreme positions corresponding to the closed and open state,
    characterized in that resetting of the auxiliary unit is performed when the actuating handle (54, 154, 254) moves from the intermediate position to the open position.
  7. Auxiliary indication unit according to claim 6, characterized in that the cam (54A) of the handle (54) for the OC version does not act on the rod (94) when resetting takes place and confirms the first open indication of the second changeover switch (36).
  8. Auxiliary indication unit according to claim 6, characterized in that the cam (54B) of the handle (154) of the FS version acts on the rod (94) when resetting takes place to cause rocking of the bistable lever (82) and switching of the second changeover switch (36), the second indication indicating switching from the fault position to the reset - open position.
  9. Auxiliary indication unit according to one of the claims 1 to 8, characterized in that it comprises a selector (102) accessible from outside and operating in conjunction with a cam (108) to shape the actuating handle (254) with two different camming shapes suitable for said first OC indication or said second FS indication of the second changeover switch (36).
EP19990410033 1998-04-17 1999-04-12 Indicating auxiliary block for a circuit breaker Expired - Lifetime EP0951044B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9805123A FR2777694B1 (en) 1998-04-17 1998-04-17 AUXILIARY SIGNALING BLOCK ADAPTABLE TO A PROTECTION CIRCUIT BREAKER
FR9805123 1998-04-17

Publications (2)

Publication Number Publication Date
EP0951044A1 EP0951044A1 (en) 1999-10-20
EP0951044B1 true EP0951044B1 (en) 2004-10-06

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EP19990410033 Expired - Lifetime EP0951044B1 (en) 1998-04-17 1999-04-12 Indicating auxiliary block for a circuit breaker

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EP (1) EP0951044B1 (en)
CN (1) CN1163929C (en)
DE (1) DE69920793T2 (en)
ES (1) ES2229648T3 (en)
FR (1) FR2777694B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1320579C (en) * 2005-07-06 2007-06-06 浙江中凯电器有限公司 Operation mechanism of controlling and protecting electrical equipment on-off
CN101354987B (en) * 2008-08-02 2011-11-16 浙江中凯电器有限公司 Control device for controlling and protecting switch electric appliance
FR2984588B1 (en) * 2011-12-15 2015-06-12 Schneider Electric Ind Sas DEVICE FOR ACTUATING AUXILIARY CONTACTS IN AN ELECTRICAL CUTTING APPARATUS
CN108231440B (en) * 2016-12-22 2020-01-07 西门子公司 Conversion contact piece assembly and auxiliary switch with same
CN108231497B (en) * 2016-12-22 2019-10-15 西门子公司 Auxiliary switch

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3119165C2 (en) * 1981-05-14 1986-05-22 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Circuit breaker as a unit consisting of a circuit breaker as well as auxiliary and signal switches
DE8334014U1 (en) * 1983-11-26 1984-10-31 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Additional switch for attachment to a line circuit breaker
DE3727356A1 (en) * 1987-08-17 1989-03-02 Asea Brown Boveri ELECTRICAL SWITCHGEAR
FR2626714B1 (en) * 1988-01-28 1990-06-01 Merlin Gerin AUXILIARY CONTROL AND SIGNALING SWITCH FOR MODULAR MULTIPOLAR CIRCUIT BREAKER
AT402582B (en) * 1995-03-15 1997-06-25 Felten & Guilleaume Ag Oester ADDITIONAL SWITCH

Also Published As

Publication number Publication date
DE69920793D1 (en) 2004-11-11
EP0951044A1 (en) 1999-10-20
DE69920793T2 (en) 2005-11-17
FR2777694A1 (en) 1999-10-22
CN1233070A (en) 1999-10-27
FR2777694B1 (en) 2000-05-26
CN1163929C (en) 2004-08-25
ES2229648T3 (en) 2005-04-16

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