EP0547928B1 - Protective switch - Google Patents

Protective switch Download PDF

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Publication number
EP0547928B1
EP0547928B1 EP92403111A EP92403111A EP0547928B1 EP 0547928 B1 EP0547928 B1 EP 0547928B1 EP 92403111 A EP92403111 A EP 92403111A EP 92403111 A EP92403111 A EP 92403111A EP 0547928 B1 EP0547928 B1 EP 0547928B1
Authority
EP
European Patent Office
Prior art keywords
hatch
flap
opening
actuator knob
contacts
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
EP92403111A
Other languages
German (de)
French (fr)
Other versions
EP0547928A1 (en
Inventor
Christian Blanchard
Michel Lauraire
Didier Vigouroux
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.)
Telemecanique SA
Original Assignee
La Telemecanique Electrique SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by La Telemecanique Electrique SA filed Critical La Telemecanique Electrique SA
Publication of EP0547928A1 publication Critical patent/EP0547928A1/en
Application granted granted Critical
Publication of EP0547928B1 publication Critical patent/EP0547928B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
    • H01H89/06—Combination of a manual reset circuit with a contactor, i.e. the same circuit controlled by both a protective and a remote control device
    • H01H89/08—Combination of a manual reset circuit with a contactor, i.e. the same circuit controlled by both a protective and a remote control device with both devices using the same contact pair

Definitions

  • the present invention relates to a protective switch device such as a contactor-circuit breaker, provided with at least one pole with separable contacts, comprising on the one hand a control mechanism capable of causing the opening and closing of the contacts and capable of be actuated by protective means capable of acting in the event of an electrical fault and on the other hand a manual control button, and controlling an electromagnet for operating the contacts - see p. ex. EP-A-0366519.
  • Apparatuses of the above type are known as contactors-circuit breakers which integrate in a single housing a resettable circuit breaker current limiter for protection against short-circuits and a contactor for automatic control and remote control.
  • these devices incorporate a magneto-thermal protection module capable of causing the contacts to open in the event of overload or overcurrent.
  • the user of such an apparatus may have to replace the coil of the electromagnet which is housed in the housing, for example to change the operating voltage.
  • safety devices are provided on the devices currently marketed.
  • the coil of the electromagnet can only be replaced after removing the wires arriving at the coil terminals. After this operation, you can remove a cover giving access to the electromagnet and replace it. It is understood that these disassembly and reassembly operations are relatively complicated.
  • the object of the present invention is to provide a device of the contactor-circuit breaker type, in which the disassembly and reassembly operations necessary for changing the coil of the electromagnet are simplified as much as possible. Safe operation is ensured without the need to disconnect the wires from the coil connection terminals.
  • the device is characterized by the fact that it comprises a movable hatch opening and closing an opening of the case so as to allow the coil of the electromagnet to be changed and that this hatch cooperates with a locking member for hatch capable of being moved between a closed position where it immobilizes, in the closed position, the hatch on the housing and an open position allowing the hatch to open, this hatch locking member being associated with means of selective locking capable of immobilizing it in the closed position when the manual control button occupies all positions other than the stop position and of releasing it so that a user can bring it into the open position allowing opening the hatch when the manual control button is in the off position.
  • the hatch locking member is constituted by a bolt movable in translation parallel to the axis of the control button and a blocking slide prevents any displacement of this bolt when the control button occupies a position other than the stop position and is likely to penetrate the control button when the latter is in the stop portion so as to release the movement of the bolt.
  • control button has a profile allowing the displacement of the blocking slide, in the stopped position of the device.
  • the trap bolt is a bolt oscillating around an axis and carrying blocking means cooperating with the manual control button.
  • the apparatus of the contactor-circuit breaker type illustrated in FIG. 1 comprises, in a housing 1, several breaking poles of the double-break type. Each pole has a movable contact bridge 21 which cooperates by contact pads with two fixed contacts 31, 32 connected to connection terminals to establish or interrupt the passage of a power current between these terminals.
  • a magnetic and thermal protection assembly 4 is disposed on each current path in the housing.
  • the assembly 4 detects an overcurrent on the current path, it acts by means of a mechanism 5 provided with a lever 51 on a contact carrier 2 serving for the support and movement of the contact bridges.
  • the assembly 4 comprises for example a magnetic trigger and a thermal trigger.
  • an electromagnet 7 housed in the housing 1 acts on another part of the structure 2.
  • the electromagnet comprises a fixed magnetic circuit 71, a movable armature 72 and a coil 73 electrically connected to terminals by a switch; the latter is controllable by the mechanism 5 and / or by a button 6 capable of controlling the electromagnet.
  • the movable armature 72 of the electromagnet is subject to a return spring and cooperates with a lever 74 which is directly coupled to the contact carrier 2.
  • the housing has, on the side of the electromagnet 7, an opening 12 making it possible to introduce and extract the electromagnet coil which is housed in a housing of the housing.
  • This opening is closed by a movable hatch 11.
  • the opening and closing movement of the hatch 11 does not require any intervention on the coil supply wires 75.
  • the hatch 11 can pivot on the housing in the manner of a clapper or door.
  • a hatch bolt 81 capable of being moved between a closed position corresponding to the closed position of the hatch and an open position allowing the hatch to open.
  • This trap bolt 81 is associated with a locking mechanism 82 capable of keeping it immobilized in the closed position when the manual control button 6 occupies all the positions other than the stop position and of releasing it, so that a user can bring it to the open position when the manual control button 6 occupies the stop position.
  • the trap bolt 81 is movable in translation parallel to the axis of rotation 61 of the button 6 and cooperates with a blocking slide 82 movable in translation, perpendicular to the axis 61 and to the axis of translation of the bolt 81.
  • This slide 82 is subjected to a return spring 83 tending to bring it back into the locking position of the bolt 81.
  • the control button 6 occupies a position other than the stop position, the slide 82 is prevented from moving and blocks any movement of the bolt 81.
  • the manual control button 6 has a profile allowing the movement of the locking slide 82, for the stop position of the device. To this end, the control button 6 has a blind hole 62 for opening in which the end of the locking slide 82 can engage. This blind hole 62 is positioned opposite the slide 82 only when the manual control button 6 is in the stop position.
  • the trap bolt 81 is pivotally mounted on the housing around an axis 84 and it is subjected to a return spring 85.
  • This sector-shaped bolt can oscillate between a position of closure shown in solid lines and an open position shown in dotted lines. It carries a locking finger 82 preventing any rotation of this bolt 81 when the button 6 occupies a position other than the stop position.
  • a blind hole formed in this button, such as 62, allows the bolt 81 to pivot to the open position.
  • control button 6 prevents any movement of the bolt 81 and therefore any opening of the hatch.
  • the control button 6 authorizes the movement of the hatch locking bolt. The user can therefore move the bolt and open the hatch to change the reel.
  • This device will not authorize restarting of the device until the hatch is returned to the closed position and the trap bolt is not returned to the locked position.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Keying Circuit Devices (AREA)
  • Breakers (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

The present invention relates to a protective switch such as a contactor, provided with at least one pole with separable contacts, comprising, on the one hand, a control mechanism (5) capable of bringing about the opening and closing of the contacts (21, 31) and actuatable by a protective means (4) capable of acting in the event of an electrical fault and, on the other hand, a manual control button (6) controlling an electromagnet (7) for operating the contacts, and characterised in that it includes a mobile hatch (11) which opens and closes an opening of the casing so as to allow the changing of the coil of the electromagnet (7) and in that this hatch (81) cooperates with a hatch-locking unit (81) capable of being moved between a closure position where it immobilises, in the closed position, the hatch on the casing and an opening position allowing the opening of the hatch, this hatch-locking unit (81) being associated with means of selective latching (82, 62) capable of immobilising it in the closure position when the manual control button (6) occupies any position other than the off position and of releasing it so that a user may bring it to the opening position allowing the opening of the hatch, when the manual control button (6) occupies the off position. <IMAGE>

Description

La présente invention se rapporte à un appareil interrupteur de protection tel que contacteur-disjoncteur, pourvu d'au moins un pôle à contacts séparables, comprenant d'une part un mécanisme de commande susceptible de provoquer l'ouverture et la fermeture des contacts et pouvant être actionné par des moyens de protection susceptibles d'agir en cas de défaut électrique et d'autre part un bouton de commande manuelle, et commandant un électro-aimant de manoeuvre des contacts - voir p. ex. EP-A-0366519.The present invention relates to a protective switch device such as a contactor-circuit breaker, provided with at least one pole with separable contacts, comprising on the one hand a control mechanism capable of causing the opening and closing of the contacts and capable of be actuated by protective means capable of acting in the event of an electrical fault and on the other hand a manual control button, and controlling an electromagnet for operating the contacts - see p. ex. EP-A-0366519.

On connaît des appareils du type ci-dessus appelés contacteurs-disjoncteurs qui intègrent dans un même boîtier un disjoncteur réarmable limiteur de courant pour la protection contre les court-circuits et un contacteur pour la commande automatique et la télécommande. En outre ces appareils intègrent un module de protection magnéto-thermique susceptible de provoquer l'ouverture des contacts en cas de surcharge ou de surintensité.Apparatuses of the above type are known as contactors-circuit breakers which integrate in a single housing a resettable circuit breaker current limiter for protection against short-circuits and a contactor for automatic control and remote control. In addition, these devices incorporate a magneto-thermal protection module capable of causing the contacts to open in the event of overload or overcurrent.

L'utilisateur d'un tel appareil peut être amené à remplacer la bobine de l'électro-aimant qui est logé dans le boîtier, par exemple pour en changer la tension d'utilisation. Pour effectuer cette opération, des sécurités sont prévues sur les appareils commercialisés actuellement. On ne peut effectuer le remplacement de la bobine de l'électro-aimant qu'après avoir enlevé les fls arrivant aux bornes de la bobine. Après cette opération, on peut démonter un couvercle donnant accès à l'électro-aimant et effectuer le remplacement de celui-ci. On comprend que ces opérations de démontage et de remontage sont relativement compliquées.The user of such an apparatus may have to replace the coil of the electromagnet which is housed in the housing, for example to change the operating voltage. To carry out this operation, safety devices are provided on the devices currently marketed. The coil of the electromagnet can only be replaced after removing the wires arriving at the coil terminals. After this operation, you can remove a cover giving access to the electromagnet and replace it. It is understood that these disassembly and reassembly operations are relatively complicated.

La présente invention a pour but de fournir un appareil du genre contacteur-disjoncteur, dans lequel les opérations de démontage et de remontage nécessaires au changement de bobine de l'électro-aimant sont simplifiées au maximum. La sécurité de l'opération est assurée sans qu'il soit besoin de déconnecter les fils des bornes de raccordement de la bobine.The object of the present invention is to provide a device of the contactor-circuit breaker type, in which the disassembly and reassembly operations necessary for changing the coil of the electromagnet are simplified as much as possible. Safe operation is ensured without the need to disconnect the wires from the coil connection terminals.

Selon l'invention, l'appareil est caractérisé par le fait qu'il comporte une trappe mobile ouvrant et fermant une ouverture du boîtier de manière à permettre le changement de bobine de l'électroaimant et que cette trappe coopère avec un organe de verrouillage de trappe susceptible d'être déplacé entre une position de fermeture où il immobilise, en position fermée, la trappe sur le boîtier et une position d'ouverture permettant l'ouverture de la trappe, cet organe de verrouillage de trappe étant associé à des moyens de blocage sélectif aptes à l'immobiliser en position de fermeture lorsque le bouton de commande manuelle occupe toutes les positions autres que la position arrêt et à le libérer de manière qu'un utilisateur puisse l'amener en position d'ouverture permettant l'ouverture de la trappe, lorsque le bouton de commande manuelle occupe la position arrêt.According to the invention, the device is characterized by the fact that it comprises a movable hatch opening and closing an opening of the case so as to allow the coil of the electromagnet to be changed and that this hatch cooperates with a locking member for hatch capable of being moved between a closed position where it immobilizes, in the closed position, the hatch on the housing and an open position allowing the hatch to open, this hatch locking member being associated with means of selective locking capable of immobilizing it in the closed position when the manual control button occupies all positions other than the stop position and of releasing it so that a user can bring it into the open position allowing opening the hatch when the manual control button is in the off position.

Selon une caractéristique, l'organe de verrouillage de trappe est constitué par un pêne mobile en translation parallèlement à l'axe du bouton de commande et un coulisseau de blocage empêche tout déplacement de ce pêne lorsque le bouton de commande occupe une autre position que la position arrêt et est susceptible de pénétrer dans le bouton de commande lorsque celui-ci est en portion arrêt de manière à libérer le mouvement du pêne.According to one characteristic, the hatch locking member is constituted by a bolt movable in translation parallel to the axis of the control button and a blocking slide prevents any displacement of this bolt when the control button occupies a position other than the stop position and is likely to penetrate the control button when the latter is in the stop portion so as to release the movement of the bolt.

Selon une caractéristique, le bouton de commande présente un profil permettant le déplacement du coulisseau de blocage, en position d'arrêt de l'appareil.According to one characteristic, the control button has a profile allowing the displacement of the blocking slide, in the stopped position of the device.

Selon une caractéristique, le pêne de trappe est un pêne oscillant autour d'un axe et portant des moyens de blocage coopérant avec le bouton de commande manuelle.According to one characteristic, the trap bolt is a bolt oscillating around an axis and carrying blocking means cooperating with the manual control button.

L'invention va maintenant être décrite avec plus de détail en se référant à un mode de réalisation donné à titre d'exemple et représenté par les dessins annexés sur lesquels:

  • La figure 1 représente schématiquement en élevation un appareil de protection de type contacteur-disjoncteur conforme à l'invention;
  • La figure 2 est une vue de détail du mécanisme de changement de bobine d'électro-aimant de l'appareil de la figure 1, représenté en position de marche;
  • La figure 3 est une vue du mécanisme de la figure 2, représenté en position d'arrêt permettant le changement de bobine;
  • La figure 4 est une vue de détail d'un second mode de réalisation du mécanisme de changement de bobine d'électro-aimant selon l'invention.
The invention will now be described in more detail with reference to an embodiment given by way of example and represented by the appended drawings in which:
  • FIG. 1 schematically shows in elevation a protection device of the contactor-circuit breaker type according to the invention;
  • Figure 2 is a detail view of the electromagnet coil changing mechanism of the apparatus of Figure 1, shown in the on position;
  • Figure 3 is a view of the mechanism of Figure 2, shown in the stop position for changing the coil;
  • Figure 4 is a detail view of a second embodiment of the electromagnet coil changing mechanism according to the invention.

L'appareil de type contacteur-disjoncteur illustré par la figure 1 comprend, dans un boîtier 1, plusieurs pôles de coupure du type à double rupture. Chaque pôle comporte un pont de contact mobile 21 qui coopère par des pastilles de contact avec deux contacts fixes 31,32 reliés à des bornes de raccordement pour établir ou interrompre le passage d'un courant de puissance entre ces bornes.The apparatus of the contactor-circuit breaker type illustrated in FIG. 1 comprises, in a housing 1, several breaking poles of the double-break type. Each pole has a movable contact bridge 21 which cooperates by contact pads with two fixed contacts 31, 32 connected to connection terminals to establish or interrupt the passage of a power current between these terminals.

Un ensemble 4 de protection magnétique et thermique est disposé sur chaque chemin de courant dans le boîtier. Lorsque l'ensemble 4 décèle une surintensité sur le chemin de courant, il agit par l'intermédiaire d'un mécanisme 5 muni d'un levier 51 sur un porte-contacts 2 servant au support et au déplacement des ponts de contact. L'ensemble 4 comporte par exemple un déclencheur magnétique et un déclencheur thermique.A magnetic and thermal protection assembly 4 is disposed on each current path in the housing. When the assembly 4 detects an overcurrent on the current path, it acts by means of a mechanism 5 provided with a lever 51 on a contact carrier 2 serving for the support and movement of the contact bridges. The assembly 4 comprises for example a magnetic trigger and a thermal trigger.

D'autre part, un électro-aimant 7 logé dans le boîtier 1 agit sur une autre partie de la structure 2. L'électro-aimant comprend un circuit magnétique fixe 71, une armature mobile 72 et une bobine 73 reliée électriquement à des bornes par un interrupteur; ce dernier est commandable par le mécanisme 5 et/ou par un bouton 6 susceptible de commander l'électro-aimant. L'armature mobile 72 de l'électro-aimant est assujettie à un ressort de rappel et coopère avec un levier 74 qui est directement attelé au porte-contacts 2.On the other hand, an electromagnet 7 housed in the housing 1 acts on another part of the structure 2. The electromagnet comprises a fixed magnetic circuit 71, a movable armature 72 and a coil 73 electrically connected to terminals by a switch; the latter is controllable by the mechanism 5 and / or by a button 6 capable of controlling the electromagnet. The movable armature 72 of the electromagnet is subject to a return spring and cooperates with a lever 74 which is directly coupled to the contact carrier 2.

Le boîtier présente du côté de l'électro-aimant 7, une ouverture 12 permettant d'introduire et d'extraire la bobine d'électro-aimant qui loge dans un logement du boîtier. Cette ouverture se ferme par une trappe mobile 11. Le mouvement d'ouverture et de fermeture de la trappe 11 ne nécessite aucune intervention sur les fils d'alimentation bobine 75. De préférence la trappe 11 peut pivoter sur le boîtier à la manière d'un battant ou d'une porte.The housing has, on the side of the electromagnet 7, an opening 12 making it possible to introduce and extract the electromagnet coil which is housed in a housing of the housing. This opening is closed by a movable hatch 11. The opening and closing movement of the hatch 11 does not require any intervention on the coil supply wires 75. Preferably the hatch 11 can pivot on the housing in the manner of a clapper or door.

Dans le boîtier 1 est monté un pêne de trappe 81 susceptible d'être déplacé entre une position de fermeture correspondant à la position fermée de la trappe et une position d'ouverture permettant l'ouverture de la trappe. Ce pêne de trappe 81 est associé à un mécanisme de blocage 82 apte à le maintenir immobilisé en position de fermeture lorsque le bouton de commande manuelle 6 occupe toutes les positions autres que la position arrêt et à le libérer, de manière qu'un utilisateur puisse l'amener en position d'ouverture, lorsque le bouton de commande manuelle 6 occupe la position arrêt.In the housing 1 is mounted a hatch bolt 81 capable of being moved between a closed position corresponding to the closed position of the hatch and an open position allowing the hatch to open. This trap bolt 81 is associated with a locking mechanism 82 capable of keeping it immobilized in the closed position when the manual control button 6 occupies all the positions other than the stop position and of releasing it, so that a user can bring it to the open position when the manual control button 6 occupies the stop position.

Dans le mode de réalisation des figures 2 et 3, le pêne de trappe 81 est mobile en translation parallèlement à l'axe de rotation 61 du bouton 6 et coopère avec un coulisseau de blocage 82 mobile en translation, perpendiculairement à l'axe 61 et à l'axe de translation du pêne 81. Ce coulisseau 82 est soumis à un ressort de rappel 83 tendant à le ramener en position de blocage du pêne 81. Lorsque le bouton de commande 6 occupe une autre position que la position arrêt, le coulisseau 82 est empêché de se déplacer et bloque tout déplacement du pêne 81. Le bouton de commande manuelle 6 présente un profil permettant le déplacement du coulisseau de blocage 82, pour la position d'arrêt de l'appareil. A cet effet, le bouton de commande 6 présente un trou borgne 62 d'ouverture dans lequel peut s'engager l'extrémité du coulisseau de blocage 82. Ce trou borgne 62 ne se positionne en face du coulisseau 82 que lorsque le bouton de commande manuelle 6 est en position arrêt.In the embodiment of FIGS. 2 and 3, the trap bolt 81 is movable in translation parallel to the axis of rotation 61 of the button 6 and cooperates with a blocking slide 82 movable in translation, perpendicular to the axis 61 and to the axis of translation of the bolt 81. This slide 82 is subjected to a return spring 83 tending to bring it back into the locking position of the bolt 81. When the control button 6 occupies a position other than the stop position, the slide 82 is prevented from moving and blocks any movement of the bolt 81. The manual control button 6 has a profile allowing the movement of the locking slide 82, for the stop position of the device. To this end, the control button 6 has a blind hole 62 for opening in which the end of the locking slide 82 can engage. This blind hole 62 is positioned opposite the slide 82 only when the manual control button 6 is in the stop position.

Dans le mode de réalisation de la figure 4, le pêne de trappe 81 est monté pivotant sur le boîtier autour d'un axe 84 et il est soumis à un ressort de rappel 85. Ce pêne en forme de secteur peut osciller entre une position de fermeture représentée en traits pleins et une position d'ouverture représentée en traits pointillés. Il porte un doigt de blocage 82 empêchant toute rotation de ce pêne 81 lorsque le bouton 6 occupe une autre position que la positon arrêt. Dans la position arrêt du bouton de commande 6, un trou borgne ménagé dans ce bouton, tel que 62,permet le pivotement du pêne 81 jusqu'à la position d'ouverture.In the embodiment of FIG. 4, the trap bolt 81 is pivotally mounted on the housing around an axis 84 and it is subjected to a return spring 85. This sector-shaped bolt can oscillate between a position of closure shown in solid lines and an open position shown in dotted lines. It carries a locking finger 82 preventing any rotation of this bolt 81 when the button 6 occupies a position other than the stop position. In the stop position of the control button 6, a blind hole formed in this button, such as 62, allows the bolt 81 to pivot to the open position.

Le fonctionnement va maintenant être expliqué.The operation will now be explained.

En position de marche, le bouton de commande 6 empêche tout déplacement du pêne 81 et par conséquent toute ouverture de la trappe.In the operating position, the control button 6 prevents any movement of the bolt 81 and therefore any opening of the hatch.

En position d'arrêt de l'appareil, le bouton de commande 6 autorise le déplacement du pêne de verrouillage de la trappe. L'utilisateur peut donc déplacer le pêne et ouvrir la trappe pour changer la bobine.In the appliance stop position, the control button 6 authorizes the movement of the hatch locking bolt. The user can therefore move the bolt and open the hatch to change the reel.

Ce dispositif n'autorisera pas la remise en marche de l'appareil tant que la trappe ne sera pas remise en position de fermeture et que le pêne de trappe ne sera pas ramené en position de verrouillage.This device will not authorize restarting of the device until the hatch is returned to the closed position and the trap bolt is not returned to the locked position.

Il est bien entendu que l'on peut, sans sortir du cadre de l'invention, imaginer des variantes et des perfectionnements de détail.It is understood that one can, without departing from the scope of the invention, imagine variants and improvements in detail.

Claims (4)

  1. Protection switch device, for example, a contactor/circuit-breaker, having at least one set of separable contacts (or pole), comprising firstly an actuator mechanism (5) adapted to open and close the contacts (21, 31) and adapted to be operated by protection means (4) in response to an electrical fault and secondly a manual actuator knob (6) operating a solenoid (7) for manoeuvring the contacts, characterised in that it includes a movable flap (11) for opening and closing an aperture of the housing to enable the coil of the solenoid (7) to be changed and in that said flap (81) cooperates with a flap locking member (81) movable between a closed position in which it immobilises the flap on the housing in a closed position and an open position enabling opening of the flap, said flap locking member (81) being associated with selectively operable locking means (82, 62) adapted to immobilise it in the closed position when the manual actuator knob (6) occupies any position other than the off position and to release it so that a user can move it to the open position enabling opening of the flap when the manual actuator knob (6) is in the off position.
  2. Device according to claim 1 characterised in that the flap locking member (81) is a latch movable in translation parallel to the axis of the actuator knob (6) and in that a locking slide member (82) prevents movement of said latch if the actuator knob occupies any position no other than the off position and is adapted to enter the actuator knob when the latter is in the off position to enable movement of the latch (81).
  3. Device according to either of the preceding claims characterised in that the actuator knob (6) has a profile enabling movement of the locking slide member (82) in the off position of the device.
  4. Device according to any one of the preceding claims characterised in that the flap latch (81) oscillates about an axis (84) and carries locking means (82) cooperating with the manual actuator knob (6).
EP92403111A 1991-12-17 1992-11-19 Protective switch Expired - Lifetime EP0547928B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9115766A FR2685124B1 (en) 1991-12-17 1991-12-17 PROTECTIVE SWITCHING APPARATUS SUCH AS A CIRCUIT-BREAKER.
FR9115766 1991-12-17

Publications (2)

Publication Number Publication Date
EP0547928A1 EP0547928A1 (en) 1993-06-23
EP0547928B1 true EP0547928B1 (en) 1994-06-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP92403111A Expired - Lifetime EP0547928B1 (en) 1991-12-17 1992-11-19 Protective switch

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US (1) US5293521A (en)
EP (1) EP0547928B1 (en)
AT (1) ATE107433T1 (en)
DE (1) DE69200195T2 (en)
FR (1) FR2685124B1 (en)

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DE102006018852B8 (en) * 2006-04-22 2008-04-17 Moeller Gmbh Manually operated circuit breaker
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US5293521A (en) 1994-03-08
DE69200195D1 (en) 1994-07-21
FR2685124B1 (en) 1994-03-18
FR2685124A1 (en) 1993-06-18
EP0547928A1 (en) 1993-06-23
DE69200195T2 (en) 1994-11-10
ATE107433T1 (en) 1994-07-15

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