FR2660794A1 - CONTROL MECHANISM OF AN ELECTRIC CIRCUIT BREAKER. - Google Patents
CONTROL MECHANISM OF AN ELECTRIC CIRCUIT BREAKER. Download PDFInfo
- Publication number
- FR2660794A1 FR2660794A1 FR9004642A FR9004642A FR2660794A1 FR 2660794 A1 FR2660794 A1 FR 2660794A1 FR 9004642 A FR9004642 A FR 9004642A FR 9004642 A FR9004642 A FR 9004642A FR 2660794 A1 FR2660794 A1 FR 2660794A1
- Authority
- FR
- France
- Prior art keywords
- indicator
- lever
- arm
- control mechanism
- nose
- 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.)
- Granted
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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
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/501—Means for breaking welded contacts; Indicating contact welding or other malfunction of the circuit breaker
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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
- H01H71/04—Means for indicating condition of the switching device
-
- 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
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
- H01H71/526—Manual reset mechanisms which may be also used for manual release actuated by lever the lever forming a toggle linkage with a second lever, the free end of which is directly and releasably engageable with a contact structure
Landscapes
- Breakers (AREA)
- Keying Circuit Devices (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Lock And Its Accessories (AREA)
Abstract
Description
MECANISME DE COMMANDE D'UN DISJONCTEUR ELECTRIQUECONTROL MECHANISM OF AN ELECTRIC CIRCUIT BREAKER
L'invention est relative a un mécanisme de commande pour disjoncteur électrique à boîtier isolant renfermant une paire de contacts fixe et mobile, ledit contact mobile étant porté par un bras de contact actionné par le mécanisme, lequel comporte une manette montée à pivotement sur un axe et déplaçable dans un orifice du boîtier entre deux positions extrêmes F de fermeture et O d'ouverture, une biellette de transmission accouplée à la manette pour former une genouillère, une liaison mécanique brisable entre la biellette et un levier support du bras de contact, un levier de déclenchement pour verrouiller et déverrouiller la liaison mécanique, et un indicateur mécanique de l'état du disjoncteur ayant un voyant susceptible d'occuper une position active visible de l'extérieur dans la position O The invention relates to a control mechanism for an electrical circuit breaker with an insulating housing containing a pair of fixed and movable contacts, said movable contact being carried by a contact arm actuated by the mechanism, which comprises a lever pivotally mounted on an axis. and movable in an orifice of the case between two extreme positions F for closing and O for opening, a transmission link coupled to the lever to form a toggle joint, a breakable mechanical connection between the link and a support lever for the contact arm, a trip lever to lock and unlock the mechanical link, and a mechanical indicator of the state of the circuit breaker having an indicator light capable of occupying an active position visible from the outside in position O
d'ouverture de la manette.opening the joystick.
Un tel mécanisme est décrit dans la demande de brevet français n' 8.909 475 et le document EP 342133, comprenant un dispositif indicateur de soudure des contacts, et de signalisation apparente de l'ouverture du disjoncteur Le voyant est fixé directement sur la périphérie de l'embase de la manette, et se déplace en continu avec cette dernière Le positionnement du voyant est néanmoins tributaire de l'effort d'essai exercé sur la manette en cas de soudage des contacts En fonction de l'élasticité des organes du mécanisme, un actionnement forcé de la manette peut rendre visible une portion du voyant, entraînant des risques d'erreurs -sur l'état réel des contacts du disjoncteur. L'objet de l'invention consiste à perfectionner la fiabilité d'un indicateur mécanique de l'état d'un disjoncteur en le Such a mechanism is described in French patent application No. 8,909,475 and document EP 342133, comprising a device for indicating contact soldering, and for apparent signaling of the opening of the circuit breaker. The indicator light is fixed directly on the periphery of the base of the lever, and moves continuously with the latter The positioning of the indicator light is nevertheless dependent on the test force exerted on the lever in the event of soldering of the contacts Depending on the elasticity of the mechanism members, a Forced actuation of the handle can make a portion of the indicator visible, leading to the risk of errors - on the actual state of the circuit breaker contacts. The object of the invention is to improve the reliability of a mechanical indicator of the state of a circuit breaker by
rendant insensible à l'effort d'essai exercé sur la manette. making it insensitive to the test force exerted on the handle.
Le mécanisme selon l'invention est caractérisé en ce que l'indicateur comporte un levier bistable montés rotation libre sur l'axe de la manette, et coopérant avec un nez du levier support destiné à verrouiller le voyant et à le rendre invisible dans une position inactive stable, lorsque la manette est actionnée depuis la position F de fermeture vers la position O The mechanism according to the invention is characterized in that the indicator comprises a bistable lever mounted free rotation on the axis of the lever, and cooperating with a nose of the support lever intended to lock the indicator and make it invisible in a position inactive stable, when the lever is actuated from position F closed to position O
d'ouverture en cas de soudage des contacts. opening in case of soldering of the contacts.
L'agencement bistable de l'indicateur permet de reconnaître en toute sécurité l'état ouvert ou fermé des contacts Le voyant est exclusivement visible en position active, correspondant à la position d'ouverture de la manette après séparation des contacts Le voyant est invisible en position inactive lorsque les contacts sont fermés normalement ou par soudure accidentelle Le voyant est insensible à l'effort d'essai exercé sur la manette, étant donné sa coopération avec le levier support The bistable arrangement of the indicator allows the open or closed state of the contacts to be recognized in complete safety. The indicator light is only visible in the active position, corresponding to the opening position of the lever after separation of the contacts The indicator light is invisible in inactive position when the contacts are closed normally or by accidental welding The indicator light is insensitive to the test force exerted on the lever, given its cooperation with the support lever
du bras de contact.of the contact arm.
Le passage de la position inactive vers la position active de l'indicateur bistable s'effectue après libération du nez au moyen d'un ressort de rappel, sollicitant simultanément la The transition from the inactive position to the active position of the bistable indicator takes place after release of the nose by means of a return spring, simultaneously urging the
manette vers la position O d'ouverture. lever towards position O of opening.
Le levier de l'indicateur comporte un premier bras de signalisation sur lequel est agencé le voyant, et un deuxième bras de commande coopérant avec le nez, les deux bras étant décalés angulairement l'un de l'autre par un angle prédéterminé, The indicator lever comprises a first signaling arm on which the indicator is arranged, and a second control arm cooperating with the nose, the two arms being angularly offset from each other by a predetermined angle,
centré sur l'axe de la manette.centered on the axis of the joystick.
Le rappel de l'indicateur vers la position inactive s'effectue The indicator is returned to the inactive position
au moyen de l'action de la manette sur le premier bras. by means of the action of the joystick on the first arm.
Selon un développement de l'invention, le mécanisme est équipé d'un dispositif mécanique de blocage de la manette dans une position S intermédiaire en cas de soudage des contacts Il en résulte une fonction de sectionnement à coupure pleinement According to a development of the invention, the mechanism is equipped with a mechanical device for locking the handle in an intermediate position S in the event of soldering of the contacts. This results in a fully cut-off sectioning function.
apparente, et à indicateur de position des contacts. apparent, and contact position indicator.
D'autres avantages et caractéristiques ressortiront plus Other advantages and features will emerge more
clairement de la description qui va suivre d'un mode de clearly from the following description of a mode of
réalisation de l'invention donné à titre d'exemple non limitatif, et représenté aux dessins annexés, dans lesquels: la figure 1 est une vue schématique du mécanisme équipé de l'indicateur selon l'invention, le disjoncteur étant représenté en position fermé-soudé des contacts; les figures 2 à 4 sont des vues partielles à échelles agrandies de la figure 1, montrant l'indicateur respectivement en position de fermeture, en position fermé-soudé, et en position d'ouverture du mécanisme; les figures 5 à 7 sont des vues identiques des figures 2 à 4 d'une variante de réalisation, les figures 8 et 9 montrent deux vues de la manette d'une autre variante d'indicateur représenté en position d'ouverture et en embodiment of the invention given by way of nonlimiting example, and shown in the accompanying drawings, in which: FIG. 1 is a schematic view of the mechanism equipped with the indicator according to the invention, the circuit breaker being shown in the closed position soldered contacts; Figures 2 to 4 are partial views on enlarged scales of Figure 1, showing the indicator respectively in the closed position, in the closed-welded position, and in the open position of the mechanism; Figures 5 to 7 are identical views of Figures 2 to 4 of an alternative embodiment, Figures 8 and 9 show two views of the handle of another variant of indicator shown in the open position and
position soudé.welded position.
la figure 10 est une vue identique à la figure 1-, le mécanisme étant équipé d'un dispositif de blocage de la manette en cas de Figure 10 is a view identical to Figure 1-, the mechanism being equipped with a device for locking the lever in the event of
soudage des contacts.soldering of contacts.
En référence à la figure 1, le mécanisme 10 est logé dans le boîtier 12 isolant du disjoncteur, et est destiné à actionner un bras de contact mobile 13 ayant une pièce de contact 14 coopérant avec un contact fixe 1 6 Le mécanisme 10 comporte une manette 1 8 pivotante accouplée à une biellette 20 de transmission pour former une genouillère 22, et une platine 24 montée à rotation limitée sur un pivot 26 entre une position de fermeture et une position d'ouverture des contacts 14,16 Sur le pivot 26 est enfilé un levier support 28 isolant du bras de contact 13 Une liaison mécanique 30 à bielle brisable est formée par une deuxième genouillère ayant un crochet d'accrochage 32 monté à pivotement sur un axe 34 de la platine 24 en étant articulé à la Referring to Figure 1, the mechanism 10 is housed in the insulating case 12 of the circuit breaker, and is intended to actuate a movable contact arm 13 having a contact piece 14 cooperating with a fixed contact 1 6 The mechanism 10 comprises a lever 1 8 pivoting coupled to a link 20 of transmission to form a toggle 22, and a plate 24 mounted with limited rotation on a pivot 26 between a closed position and an open position of the contacts 14,16 On the pivot 26 is threaded a support lever 28 insulating the contact arm 13 A mechanical link 30 with a breakable connecting rod is formed by a second toggle joint having a hooking hook 32 pivotally mounted on an axis 34 of the plate 24 while being articulated to the
biellette 20 de transmission.transmission link 20.
Un levier de déclenchement 36 est monté sur un axe 38 de la platine 24 et coopère avec le bec de retenue du crochet d'accrochage 32 pour assurer le verrouillage et le A trigger lever 36 is mounted on an axis 38 of the plate 24 and cooperates with the retaining spout of the hook 32 to ensure locking and
déverrouillage de la liaison mécanique 30. unlocking the mechanical link 30.
La manette 18 fait saillie d'un orifice 40 du boîtier 12 et est montée à pivotement sur un axe 42 entre deux positions extrêmes F et O correspondant respectivement à la fermeture et à The lever 18 projects from an orifice 40 in the housing 12 and is pivotally mounted on an axis 42 between two extreme positions F and O corresponding respectively to the closure and to
l'ouverture des contacts 14,16.opening of the contacts 14,16.
Selon l'invention, le mécanisme 10 est doté d'un indicateur 50 mécanique formé par un levier bistable (fig 1 à 4) monté à rotation libre sur l'axe 42 de la manette 18 Un ressort de rappel (non représenté) sollicite l'indicateur 50 dans le sens inverse des aiguilles d'une montre, correspondant au sens d'ouverture de la manette 18 L'indicateur 50 comporte un premier bras 52 de signalisation dont la face latérale porte un voyant 54 coloré, et une deuxième bras 54 de commande équipé d'un redan 55 susceptible de coopérer avec un nez 56 du levier support 28 Les premier et deuxième bras 52,54 sont décalés angulairement l'un de l'autre par un angle aigu centré sur l'axe 42 de la manette 18 Les deux flancs opposés du deuxième bras 54 viennent en engagement avec une paire de butées de fin de course 58,60, solidaire du boîtier According to the invention, the mechanism 10 is provided with a mechanical indicator 50 formed by a bistable lever (fig 1 to 4) mounted with free rotation on the axis 42 of the lever 18 A return spring (not shown) biases the indicator 50 anticlockwise, corresponding to the opening direction of the lever 18 The indicator 50 comprises a first signaling arm 52 whose side face carries a colored light 54, and a second arm 54 control equipped with a step 55 capable of cooperating with a nose 56 of the support lever 28 The first and second arms 52, 54 are angularly offset from one another by an acute angle centered on the axis 42 of the lever 18 The two opposite sides of the second arm 54 engage with a pair of end stops 58,60, integral with the housing
12 pour délimiter la course angulaire de l'indicateur 50. 12 to delimit the angular travel of the indicator 50.
Le fonctionnement du mécanisme 10 à indicateur 50 mécanique selon les figures 1 à 4 est le suivant: Dans la position de fermeture des contacts 14,16 (fig 2), la manette 18 se trouve dans la position F stable de droite, et son bossage 62 prend appui sur le premier bras 52 sollicitant le The operation of the mechanism 10 with mechanical indicator 50 according to FIGS. 1 to 4 is as follows: In the closed position of the contacts 14, 16 (fig 2), the lever 18 is in the stable position F on the right, and its boss 62 is supported on the first arm 52 requesting the
deuxième bras 54 de commande contre la première butée 58. second control arm 54 against the first stop 58.
L'indicateur 50 se trouve dans une première position inactive stable, dans laquelle le voyant 54 du premier bras 52 reste The indicator 50 is in a first stable inactive position, in which the indicator 54 of the first arm 52 remains
invisible depuis l'extérieur.invisible from the outside.
En cas de soudage des contacts 14,16 (fig 1 et 3), le bras de contact 13 et son levier support 28 restent fixes, et le nez 56 bloque le redan 55 du premier bras 54 pour maintenir l'indicateur dans la première position stable, lorsque l'opérateur tente d'actionner la manette 18 vers la position d'ouverture Le voyant 54 reste invisible lorsque la manette 18 se trouve entre In the event of welding of the contacts 14, 16 (fig 1 and 3), the contact arm 13 and its support lever 28 remain fixed, and the nose 56 blocks the step 55 of the first arm 54 to maintain the indicator in the first position stable, when the operator tries to actuate the lever 18 towards the open position The indicator 54 remains invisible when the lever 18 is between
la position S intermédiaire, et la position O d'ouverture. the intermediate position S, and the open position O.
En cas de non-soudage des contacts 14,16 suite à une ouverture manuelle ou un déclenchement automatique du mécanisme 10, la manette 18 est déplacée vers la position O de gauche, et le nez 56 du levier support 28 n'interfère plus avec le redan 55 du premier bras 54 L'absence de blocage du nez 56 sur le deuxième bras 54 et du bossage 62 de la manette 18 sur le premier bras 52 autorise le pivotement dans le sens inverse des aiguilles d'une montre de l'indicateur 50 vers la deuxième position active stable (fig 4) sous l'action du ressort de rappel Le deuxième bras 54 est en appui contre la deuxième butée 60, et l'apparition du voyant 54 hors de l'orifice 40, signale l'ouverture effective des contacts In the event of non-welding of the contacts 14, 16 following a manual opening or an automatic triggering of the mechanism 10, the lever 18 is moved to the left position O, and the nose 56 of the support lever 28 no longer interferes with the step 55 of the first arm 54 The absence of blocking of the nose 56 on the second arm 54 and of the boss 62 of the lever 18 on the first arm 52 authorizes the pivoting of the indicator 50 in the anticlockwise direction towards the second stable active position (fig 4) under the action of the return spring The second arm 54 is in abutment against the second stop 60, and the appearance of the indicator 54 out of the orifice 40, signals the effective opening contacts
14,16.14.16.
La refermeture du disjoncteur s'opère par déplacement de la manette 18 à partir de la position O vers la position F Au cours de cette opération de pivotement, le bossage 62 de la manette 18 pousse le premier bras 52 dans le sens des aiguilles d'une montre, et ramène automatiquement l'indicateur 50 vers la première position stable à l'encontre de la force de rappel du ressort. On remarque que le voyant 54 peut occuper deux positions stables, dont l'une correspondant à l'état visible indique la séparation des contacts 14,16, et dont l'autre correspondant à l'état invisible, signale la fermeture normale ou soudée des contacts 14,16 La fonction de visualisation est réalisée par une pièce distincte de la manette 18 De par sa coopération avec le nez 56 du levier support 28, l'indicateur 50 bistable est insensible à l'effort d'essai exercé sur la manette 18 L'indicateur 50 restera dans la première position inactive si la manette 18 est forcée vers la position O d'ouverture en cas de soudage des contacts. La variante de l'indicateur 150 illustrée aux figures 5 à 7 utilise un ressort 66 additionnel d'entraînement agencé entre le nez 56 du levier support 28 et le deuxième bras 154 Le ressort 66 est conformé en épingle à torsion positionnée sur un plot 68 du boitier 12 Les extrémités du ressort 66 peuvent se déplacer dans des ouvertures 70,72 oblongues ménagées respectivement dans le deuxième bras 154, et le nez 56 Le redan 55 est supprimé, et le The reclosing of the circuit breaker is effected by displacement of the handle 18 from the position O towards the position F. During this pivoting operation, the boss 62 of the handle 18 pushes the first arm 52 in the direction of the needles. a watch, and automatically brings the indicator 50 to the first stable position against the return force of the spring. Note that the indicator 54 can occupy two stable positions, one of which corresponding to the visible state indicates the separation of the contacts 14,16, and the other of which corresponding to the invisible state, signals the normal or welded closure of the contacts 14,16 The display function is performed by a separate part from the handle 18 By its cooperation with the nose 56 of the support lever 28, the bistable indicator 50 is insensitive to the test force exerted on the handle 18 The indicator 50 will remain in the first inactive position if the lever 18 is forced towards the open position O in the event of soldering of the contacts. The variant of the indicator 150 illustrated in FIGS. 5 to 7 uses an additional drive spring 66 arranged between the nose 56 of the support lever 28 and the second arm 154 The spring 66 is shaped as a twist pin positioned on a stud 68 of the case 12 The ends of the spring 66 can move in oblong openings 70, 72 made respectively in the second arm 154, and the nose 56 The step 55 is removed, and the
reste du mécanisme est identique à celui des figures i à 4. rest of the mechanism is identical to that of figures i to 4.
Le fonctionnement de l'indicateur 150 des figures 5 à 7 est similaire à celui décrit précédemment, avec la différence que le ressort 66 joue le rôle d'amplificateur de' course, particulièrement recommandé dans un disjoncteur unipolaire et neutre, dans lequel les deux bras de contact de phase et de neutre The operation of the indicator 150 in FIGS. 5 to 7 is similar to that described above, with the difference that the spring 66 plays the role of stroke amplifier, particularly recommended in a single-pole and neutral circuit breaker, in which the two arms phase and neutral contact
sont légèrement décalés angulairement. are slightly angularly offset.
Sur les figures 8 et 9, les butées de fin de course 58,60 sont supprimées sur le boitier 12 L'indicateur 250 comporte un premier bras 252 de signalisation, dont le voyant 54 est conformé en secteur circulaire ayant un diamètre voisin de celui de l'embase 80 de la manette 18 Le diamètre du deuxième bras 254 à In FIGS. 8 and 9, the end stops 58.60 are eliminated on the housing 12 The indicator 250 comprises a first signaling arm 252, the indicator 54 of which is shaped in a circular sector having a diameter close to that of the base 80 of the lever 18 The diameter of the second arm 254 to
redan 255 de commande est supérieur à celui du premier bras 252. control step 255 is greater than that of the first arm 252.
En position O d'ouverture de la manette 18 et en cas de non soudage des contacts 14,16 (figure 8), le voyant 54 est visible dans la deuxième position active, et le premier bras 252 est sollicité en butée contre le bossage 62 de l'embase 80 par le In position O of opening of the lever 18 and in the event of non-welding of the contacts 14, 16 (FIG. 8), the indicator 54 is visible in the second active position, and the first arm 252 is biased in abutment against the boss 62 from base 80 through
ressort de rappel 82 de la manette 18. return spring 82 of handle 18.
En cas de soudage des contacts (figure 9), le voyant 54 reste invisible en étant bloqué dans la première position inactive par l'action du nez 56 sur le redan 255, même lorsque la manette 18 est forcée vers la position O d'ouverture Le deuxième'bras 254 In the event of soldering of the contacts (FIG. 9), the indicator 54 remains invisible by being blocked in the first inactive position by the action of the nose 56 on the step 255, even when the lever 18 is forced towards the open position O The second arm 254
se trouve en appui contre une butée 86 de l'embase 80. is in abutment against a stop 86 of the base 80.
En référence à la figure 10, le mécanisme 10 est équipé d'un dispositif de blocage de la manette 18 en cas de soudage des contacts 14,16 Le crochet d'accrochage 32 est équipé d'une protubérance 144 venant en engagement contre une butée solidaire du boîtier 12 dans l'état fermé- soudé des contacts 14,16, pour stopper la manette 18 dans une position intermédiaire S prédéterminée, située entre les positions extrêmes F et O Le dépassement de point mort de la genouillère 22 rend stable ladite position intermédiaire S de la manette 18 Le voyant 54 reste invisible dans cette position Le blocage de la manette 18 dans la position S est opéré par l'engagement de la protubérance 144 contre la butée du boîtier 12, lequel encaisse l'effort exercé With reference to FIG. 10, the mechanism 10 is equipped with a device for blocking the lever 18 in the event of welding of the contacts 14, 16 The hanging hook 32 is equipped with a protrusion 144 coming into engagement against a stop integral with the housing 12 in the closed-welded state of the contacts 14, 16, to stop the lever 18 in a predetermined intermediate position S, situated between the extreme positions F and O The passing of the dead center of the toggle switch 22 makes said position stable intermediate S of the lever 18 The indicator 54 remains invisible in this position The locking of the lever 18 in the position S is effected by the engagement of the protrusion 144 against the stop of the housing 12, which collects the force exerted
sur-la manette 18 en cas d'actionnement forcé. on the lever 18 in the event of forced actuation.
Claims (6)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9004642A FR2660794B1 (en) | 1990-04-09 | 1990-04-09 | CONTROL MECHANISM OF AN ELECTRIC CIRCUIT BREAKER. |
EP91420108A EP0452230B1 (en) | 1990-04-09 | 1991-03-29 | Driving mechanism for circuit breaker |
ES91420108T ES2067899T3 (en) | 1990-04-09 | 1991-03-29 | DRIVE MECHANISM FOR ELECTRIC CIRCUIT BREAKER. |
AT91420108T ATE115329T1 (en) | 1990-04-09 | 1991-03-29 | DRIVE MECHANISM FOR CIRCUIT BREAKER. |
DE69105591T DE69105591T2 (en) | 1990-04-09 | 1991-03-29 | Circuit breaker drive mechanism. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9004642A FR2660794B1 (en) | 1990-04-09 | 1990-04-09 | CONTROL MECHANISM OF AN ELECTRIC CIRCUIT BREAKER. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2660794A1 true FR2660794A1 (en) | 1991-10-11 |
FR2660794B1 FR2660794B1 (en) | 1996-07-26 |
Family
ID=9395658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9004642A Expired - Fee Related FR2660794B1 (en) | 1990-04-09 | 1990-04-09 | CONTROL MECHANISM OF AN ELECTRIC CIRCUIT BREAKER. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0452230B1 (en) |
AT (1) | ATE115329T1 (en) |
DE (1) | DE69105591T2 (en) |
ES (1) | ES2067899T3 (en) |
FR (1) | FR2660794B1 (en) |
Cited By (1)
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EP2131378A1 (en) | 2008-06-03 | 2009-12-09 | Schneider Electric Industries SAS | Device for controlling an electrical cut-off device comprising a device for indicating the weld of the contacts, and electrical cut-off device including such a device |
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-
1990
- 1990-04-09 FR FR9004642A patent/FR2660794B1/en not_active Expired - Fee Related
-
1991
- 1991-03-29 AT AT91420108T patent/ATE115329T1/en not_active IP Right Cessation
- 1991-03-29 ES ES91420108T patent/ES2067899T3/en not_active Expired - Lifetime
- 1991-03-29 EP EP91420108A patent/EP0452230B1/en not_active Expired - Lifetime
- 1991-03-29 DE DE69105591T patent/DE69105591T2/en not_active Expired - Fee Related
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DE1055102B (en) * | 1956-06-21 | 1959-04-16 | Wickmann Werke Ag | Overcurrent switch |
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EP0342133A1 (en) * | 1988-05-13 | 1989-11-15 | Merlin Gerin | Operating mechanism for a miniature circuit breaker having a contact-welding indicator |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2131378A1 (en) | 2008-06-03 | 2009-12-09 | Schneider Electric Industries SAS | Device for controlling an electrical cut-off device comprising a device for indicating the weld of the contacts, and electrical cut-off device including such a device |
Also Published As
Publication number | Publication date |
---|---|
ES2067899T3 (en) | 1995-04-01 |
ATE115329T1 (en) | 1994-12-15 |
DE69105591D1 (en) | 1995-01-19 |
EP0452230B1 (en) | 1994-12-07 |
DE69105591T2 (en) | 1995-06-08 |
EP0452230A1 (en) | 1991-10-16 |
FR2660794B1 (en) | 1996-07-26 |
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Date | Code | Title | Description |
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ST | Notification of lapse |
Effective date: 20091231 |