EP0780860B1 - Auxiliary switch for circuit breaker and corresponding circuit breaker - Google Patents
Auxiliary switch for circuit breaker and corresponding circuit breaker Download PDFInfo
- Publication number
- EP0780860B1 EP0780860B1 EP96402756A EP96402756A EP0780860B1 EP 0780860 B1 EP0780860 B1 EP 0780860B1 EP 96402756 A EP96402756 A EP 96402756A EP 96402756 A EP96402756 A EP 96402756A EP 0780860 B1 EP0780860 B1 EP 0780860B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- auxiliary switch
- housing
- switch according
- actuating lever
- operating rod
- 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
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/54—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers
- H01H85/545—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers with pivoting fuse carrier
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/46—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
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- 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
- H01H9/10—Adaptation for built-in fuses
- H01H9/104—Adaptation for built-in fuses with interlocking mechanism between switch and fuse
Definitions
- the present invention relates generally circuit breakers.
- a circuit breaker includes, overall, in a housing, on the one hand, two organs of contact, which, established at a distance from each other, are each respectively in electrical connection with two terminals of connection accessible from outside the case, and, on the other hand, a fuse holder, frequently called “gripper", which has a recess specific to the housing of a cartridge fuse, and which also accessible to the user from the outside of the case, is mounted movable in this case between two positions, i.e., a closed position, for which its recess extends from one to the other of the two organs of contact, so that a fuse cartridge present in this obviously then establishes an electrical connection between them, and an open position, for which, removed from these contact members, its recess extends partly outside the case, so that it is possible for the user to put in it places or removes a fuse cartridge.
- the present invention generally has for purpose of developing this provision, by implementing it for a switch capable of controlling the supply another circuit, such as that of an indicator, depending on the opening or closing position of the fuse holder of the circuit breaker.
- auxiliary switch (58) for circuit breaker electromagnetic of the kind comprising, in a housing (70), at least one contact blade (85), which, under the control of a slide (88) mounted sliding, is, at least in part, mounted movable between two positions, one closing, for which it is applied against a fixed contact (81), the other opening, for which it is instead removed from this contact fixed, the slide (88) laterally comprising a control rod (59), which, for its intervention, protrudes out of the housing (70) in favor of a buttonhole (94).
- an auxiliary switch comprising, in a case, a contact blade, which, under the control an actuating lever mounted pivoting and sliding, is, at least in part, movable mounted between two positions, one of closure, for which it is in application against a fixed contact, the other opening, for which it is at otherwise discarded from this fixed contact.
- the present invention has first of all more precisely for an auxiliary switch responding to this double requirement.
- This auxiliary switch which is of the kind comprising, in a housing, at least one contact blade, which, under the control of a pivotally mounted actuating lever and sliding, is, at least in part, movable mounted between two positions, one of closing, for which it is in application against one fixed contact, the other opening, to which, on the contrary, it is removed from this fixed contact, is generally characterized in that, the lever actuator laterally comprising a control rod, which, for its intervention, protrudes out of the housing at the favor of a buttonhole of it, this buttonhole forms, locally, away from its current part, a lobe exhaust which is suitable for receiving this control rod.
- the present invention also relates to a circuit breaker with fuse holder having cam means established accordingly.
- the auxiliary switch 10 comprises, in a manner known per se, in a housing 11, at least one contact blade 12A, which, under the control of an actuating lever 14 pivotally mounted and sliding according to arrangements described in more detail subsequently, is, at least in part, movable mounted between two positions, one closed, shown in Figure 3, for which it is in application against a fixed contact 15A, the other opening, shown in FIG. 7B, for which, on the contrary, it is removed from this fixed contact 15A.
- this auxiliary switch 10 constitutes a modular device.
- Its housing 11 is therefore in the general form a plate, with two main faces 16 parallel to each other, and, along its contour, a rear face 17, two side faces 18 substantially parallel to each other and perpendicular to the rear face 17, and a front face 19, which, apart from a protruding part 20 in its area median, is substantially parallel to the rear face 17.
- the rear face 17 has a notch 21, in favor of which is likely to intervene latching device, not shown, for fixing the assembly on a standard type support rail, also not shown.
- the housing 11 is formed, on the one hand, by a base 22, which forms the body of box, and the bottom 23 of which forms one of the main faces 16, and, on the other hand, a cover 24, which, attached to the base 22, is duly attached to it, and which forms the other of main faces 16.
- the auxiliary switch 10 comprises a second contact blade 12B, which, under control, also, of the actuating lever 14, is also at least partly mounted movable between two positions, one of closure, shown in Figure 7B, for which it is in application against a second fixed contact 15B, the other opening, shown in Figure 3, for which it is on the contrary removed from this fixed contact 15B.
- the auxiliary switch 10 constitutes an inverter, the two fixed contacts 15A, 15B being carried by the same metal strip 25 by which they are in connection with an input terminal 26 while the two blades 12A, 12B are each individually in connection with two output terminals 27A, 27B and that one is in the closed position while the other is in the closed position opening hours, and vice versa.
- the contact blade 12A is embedded on the housing 11 at one of its ends, and, by its other end, which is free, it cooperates with the fixed contact 15A with which it is associated.
- the contact blade 12A has two sections, namely, a fixed section 28, which is in connection with the terminal output 27A, and which is inserted between pads 30 coming from a in one piece from the bottom 23 of the base 22 of the housing 11, and a section mobile 31, which is subjected to the actuation lever 14, according to provisions described in more detail later, and which cooperates with the fixed contact 15A.
- this section fixed 28 and this movable section 31 make an acute dihedral between them.
- the second contact blade 12B is embedded on the housing 11 at one of its ends, and, by its other end, which is free, it cooperates with the fixed contact 15B with which it is associated.
- this contact blade 12B comprises, in the form of illustrated embodiment, a fixed section 33, which is connected with output terminal 27B, and which is inserted between the part rim 34 of the base 22 of the housing 11 forming the rear face 17 of the latter and studs 35 coming in one piece from the bottom 23 of this base 22, and a movable section 36, which is subjected to actuation lever 14, and by which it cooperates with the fixed contact 15B.
- this section fixed 33 and this movable section 36 make an obtuse dihedral between them.
- the input terminal 26 opens on one of the faces side 18 of the housing 11, while the output terminals 27A, 27B open on the opposite side face 18, being stepped on it.
- the clamping screw 37 is accessible from the front face 19 of the housing 11.
- the actuation lever 14 comprises, laterally, a control rod 38, which, for its intervention, and according to methods described in more detail later, protrudes out of the housing 11 in favor a buttonhole 39 of it, and this buttonhole 39 locally forms, apart from its main part 40, a lobe exhaust 42 which is suitable for receiving this control rod 38.
- the lever actuation 14 is, overall, in the form of a hollow stick, U-shaped cross section.
- flanks 44 which are substantially parallel to each other, and which, abstraction inflection in their middle area, are in practice substantially straight, and, on the other hand, a flat bottom 45, which is substantially perpendicular to the sides 44.
- the sides 44 form a groove 46 between them.
- this groove 46 is open, while, at the other of its ends, 48, it is closed, one of the sides 44 joining the other by a rounded profile 49.
- the actuation lever 14 thus overall formed with its concavity turned towards the bottom 23 of the base 22 of the housing 11, and, for its guidance, its width L1, that is to say the distance separating externally from each other its two sides 44, is substantially equal to the distance L2 internally separating this bottom 23 from the cover 24, such that shown schematically in broken lines in Figure 5, while being slightly less than this distance L2.
- the control rod 38 is carried by a block 50, which, coming in one piece from the bottom 45, substantially perpendicular to it, extends between the sides 44, spaced from either end 47, 48, but more near the open end 47 than the closed end 48.
- control rod 38 comprises, at its base, for its guidance, a section 52 of larger section, whose diameter D1 corresponds substantially to the width L3 of the buttonhole 39 of the housing 11, while being slightly less than this width L3.
- it also includes a section 53 whose diameter D2 is intermediate between that D1 of section 52 and its own diameter D3.
- lever actuator 14 For its pivoting and sliding mounting, the lever actuator 14 is engaged, by its groove 46, on the side of its open end 47, with a lug 54 secured to the housing 11, figure 3.
- the lever actuator 14 For its action on the contact blade 12A, the lever actuator 14 comprises, transversely, in its zone median, that is to say between its ends 47, 48, a recess 55, which affects in practice its only flanks 44, without interference with its background 45, and in favor of which it is traversed right through by this contact blade 12A.
- the actuation lever 14 has, at the edge of this recess 55, a boss 56, at rounded profile, which is in one piece with one of its flanks 44, in this case that opposite to that presenting a rounded profile 49 at the closed end 48, forming in sort of a local bulge of this flank 44, and by which it is able to act on the contact blade 12A.
- the block 50 carrying the control rod 38 extends also on the edge of the recess 55, but on the side thereof opposite boss 56, and it is integral with the flank 44 having a rounded profile. 49 at the end 48 closed.
- the contact blade 12A carries elastically, by itself, on the fixed contact 15A to which it is associated, and the boss 56 of the actuating lever 14 is located on the same side of this contact blade 12A as this fixed contact 15A, slightly away from the contact blade 12A.
- the contact blade 12B extends on the other side of the control rod 38 of the actuation lever 14 by compared to contact blade 12A.
- the actuation lever 14 is able to act on this contact blade 12B by one of its ends, in this case the closed end 48 having a rounded profile 49.
- At least one of the contact blades 12A, 12B is at less partially elastically deformable, and thus constitutes by itself elastic means suitable for holding stable operating lever 14 in at least one of its positions.
- the lobe exhaust 42 formed by the buttonhole 39 of the housing 11 in practice extends to one end of the part current 40 of it.
- this lobe exhaust 42 is reduced in practice to a bent extension of the main part 40, by connecting to it by a largely rounded section 57, and this running part 40 is substantially straight.
- the actuating lever 14 comprises, laterally, on the opposite side to its control rod 38, in favor of the block 50 carrying this one, a hole 58, which is aligned, axially, with this control rod 38, and in correspondence with which the case 11, and, more precisely, the cover 24 thereof, has a buttonhole 59 of the same type as the buttonhole 39 that it presents for the control rod 38.
- this fuse holder 61 moves according to a curved trajectory.
- this fuse holder 61 presents, projecting, two ribs 63, by which, such as shown schematically in broken lines in Figure 9, it is taken with a rib 64 integral with the housing 62 of the circuit breaker 60.
- the fuse holder 61 of the circuit breaker 60 includes means for cam 65 on the path of which the housing 62 of this circuit breaker 60 has an opening 66 suitable for the passage of the control rod 38 of its actuating lever 14, this opening 66 being in practice constituted by a buttonhole of the same type as the buttonholes 39, 59 of the housing 11 of the auxiliary switch 10.
- the cam means 65 have a groove 67 that the fuse holder 61 has in hollow, between its ribs 63, for the engagement of the control rod 38, such as shown schematically in broken lines in Figure 9.
- this groove 67 has, successively, according to the invention, two sections, which are offset transversely with respect to each other, namely, a first section 68, which opens freely through an outlet 69, at the end of the fuse holder 61, on the edge thereof, and a second section 70, which, on the contrary, has a blind bottom 71, with, at the connection of these two sections 68, 70, on the one hand, on a first of the sides of this groove 67, a pan of drive 72, which, facing the blind end 71 of the second section 70, is suitable for driving the rod 38, and, on the other hand, on the other side of this groove 67, between the blind bottom 71 of the second section 70 and the training section 72, a deflection section 74, which, facing the outlet 69 of the first section 68, is suitable for deflect this control rod 38.
- groove 67 is by elsewhere generally curved, like the trajectory fuse holder curve 61.
- the control rod 38 of the auxiliary switch 10 is in engagement with the groove 67 forming the cam means 65 that includes fuse holder 61, located on the bottom side blind 71 of the second section 70 of this groove 67, such that shown schematically in broken lines in this figure 8.
- fuse holder 61 If, according to the arrows F1 in FIGS. 8, 10A and 10B, fuse holder 61 is ordered to open, it has everything first an empty run for which it remains without incidence on the control rod 38 of the auxiliary switch 10, until the drive section 72 of its groove 67 comes in contact with this control rod 38, as shown schematically in broken lines in Figure 10A.
- the actuating lever 14 of this switch auxiliary 10 comes, through its boss 56, to bear on the blade contact 12A, which causes it to move into position opening, however, by its closed end 48, it also comes to bear on the contact blade 12B.
- the actuation lever 14 ensures the passage into closed position of the contact blade 12B, while accentuating the opening of the contact blade 12A.
- the groove 67 forming the cam means 65 of this fuse holder 61 again engages, at the favor of the outlet 69 of its first section 68, on the rod 38 of the actuating lever 14 of the switch auxiliary 10, then, by its deflection section 74, it causes the release of this control rod 38 from the lobe exhaust 42 of the buttonhole 39 of the housing 11 of this auxiliary switch 10, until returning it to the part current 40 of this buttonhole 39, and, finally, through the bottom blind 71 of its second section 70, it acts on this rod 38 in the direction causing the lever to return actuating the auxiliary switch 10 in its position initial.
- the contact blades 12A, 12B of the auxiliary switch 10 come back on their own elastically to their original position, in this case a closed position for contact blade 12A and one open position for contact blade 12B.
- the bore 58 of the actuation lever 14 may allow cascade control of another switch auxiliary, or other electrical device, not shown.
- control rod 38 of the actuating lever 14 of this other auxiliary switch or a control rod similarly provided for this purpose on this other electrical device, be engaged in this drilling 58.
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- Switch Cases, Indication, And Locking (AREA)
Description
La présente invention concerne d'une manière générale les coupe-circuit.The present invention relates generally circuit breakers.
Ainsi qu'on le sait, un coupe-circuit comporte, globalement, dans un boítier, d'une part, deux organes de contact, qui, établis à distance l'un de l'autre, sont chacun respectivement en liaison électrique avec deux bornes de connexion accessibles de l'extérieur du boítier, et, d'autre part, un porte-fusible, fréquemment appelé "préhenseur", qui présente un évidement propre au logement d'une cartouche fusible, et qui, lui aussi accessible à l'usager de l'extérieur du boítier, est monté mobile dans ce boítier entre deux positions, à savoir, une position de fermeture, pour laquelle son évidement s'étend de l'un à l'autre des deux organes de contact, en sorte qu'une cartouche fusible présente dans cet évidement établit alors une liaison électrique entre ceux-ci, et une position d'ouverture, pour laquelle, écarté de ces organes de contact, son évidement s'étend pour partie hors du boítier, en sorte qu'il est possible à l'usager d'y mettre en place une cartouche fusible ou de l'en retirer.As we know, a circuit breaker includes, overall, in a housing, on the one hand, two organs of contact, which, established at a distance from each other, are each respectively in electrical connection with two terminals of connection accessible from outside the case, and, on the other hand, a fuse holder, frequently called "gripper", which has a recess specific to the housing of a cartridge fuse, and which also accessible to the user from the outside of the case, is mounted movable in this case between two positions, i.e., a closed position, for which its recess extends from one to the other of the two organs of contact, so that a fuse cartridge present in this obviously then establishes an electrical connection between them, and an open position, for which, removed from these contact members, its recess extends partly outside the case, so that it is possible for the user to put in it places or removes a fuse cartridge.
Dans la demande de brevet européen déposée le 19 décembre 1995 sous le No 95402874.2, il a été proposé d'associer à ce coupe-circuit un appareil auxiliaire, en tirant parti du débattement de son porte-fusible de l'une à l'autre de ses positions pour la commande de cet appareil auxiliaire.In the European patent application filed on 19 December 1995 under No. 95402874.2, it was proposed to associate an auxiliary device with this circuit breaker, by pulling lever travel of its fuse holder from one to the other of its positions for the control of this auxiliary device.
A cet effet, il a été prévu de ménager sur ce porte-fusible des moyens de came, et de doter l'appareil auxiliaire d'une tige de commande qui, faisant saillie hors de son boítier, est en prise avec ceux-ci.To this end, provision has been made for this fuse holder cam means, and to equip the auxiliary apparatus a control rod which, projecting out of its case, is engaged with these.
La présente invention a d'une manière générale pour objet de développer cette disposition, en la mettant en oeuvre pour un interrupteur susceptible de commander l'alimentation d'un autre circuit, et par exemple celle d'un voyant, en fonction de la position d'ouverture ou de fermeture, du porte-fusible du coupe-circuit.The present invention generally has for purpose of developing this provision, by implementing it for a switch capable of controlling the supply another circuit, such as that of an indicator, depending on the opening or closing position of the fuse holder of the circuit breaker.
Le document US-A-3 435 389 décrit (les références entre parenthèses s'appliquent à ce document) un interrupteur auxiliaire (58) pour coupe-circuit électromagnétique, du genre comportant, dans un boítier (70), au moins une lame de contact (85), qui, sous le contrôle d'un coulisseau (88) monté coulissant, est, au moins en partie, montée mobile entre deux positions, l'une de fermeture, pour laquelle elle est en application contre un contact fixe (81), l'autre d'ouverture, pour laquelle elle est au contraire écartée de ce contact fixe, le coulisseau (88) comportant latéralement une tige de commande (59), qui, pour son intervention, fait saillie hors du boítier (70) à la faveur d'une boutonnière (94).Document US-A-3,435,389 describes (the references in parentheses apply to this document) an auxiliary switch (58) for circuit breaker electromagnetic, of the kind comprising, in a housing (70), at least one contact blade (85), which, under the control of a slide (88) mounted sliding, is, at least in part, mounted movable between two positions, one closing, for which it is applied against a fixed contact (81), the other opening, for which it is instead removed from this contact fixed, the slide (88) laterally comprising a control rod (59), which, for its intervention, protrudes out of the housing (70) in favor of a buttonhole (94).
Il a déjà été proposé, dans le brevet français publié sous le No 2 638 562, un interrupteur auxiliaire comportant, dans un boítier, une lame de contact, qui, sous le contrôle d'un levier d'actionnement monté pivotant et coulissant, est, au moins en partie, montée mobile entre deux positions, l'une de fermeture, pour laquelle elle est en application contre un contact fixe, l'autre d'ouverture, pour laquelle elle est au contraire écartée de ce contact fixe.It has already been proposed in the published French patent under No. 2 638 562, an auxiliary switch comprising, in a case, a contact blade, which, under the control an actuating lever mounted pivoting and sliding, is, at least in part, movable mounted between two positions, one of closure, for which it is in application against a fixed contact, the other opening, for which it is at otherwise discarded from this fixed contact.
Mais, pour sa commande, le levier d'actionnement est sous le contrôle d'un poussoir, sans qu'il soit envisagé d'y associer une quelconque tige de commande.But, for its control, the actuation lever is under the control of a pusher, without it being considered there associate any control rod.
Cet interrupteur auxiliaire ne peut donc pas être aisément associé à un coupe-circuit du genre en cause, et celui-ci pose par ailleurs un problème particulier, dans la mesure où, son porte-fusible ayant un débattement relativement important, les moyens de came qu'il comporte ne doivent intervenir que momentanément, à la volée, sur un tel interrupteur auxiliaire.This auxiliary switch cannot therefore be easily associated with a circuit breaker of the type in question, and this also poses a particular problem, in the measure where, its fuse holder having a relatively deflection important, the cam means which it comprises must not intervene only momentarily, on the fly, on such auxiliary switch.
La présente invention a tout d'abord plus précisément pour objet un interrupteur auxiliaire répondant à cette double exigence.The present invention has first of all more precisely for an auxiliary switch responding to this double requirement.
Cet interrupteur auxiliaire, qui est du genre comportant, dans un boítier, au moins une lame de contact, qui, sous le contrôle d'un levier d'actionnement monté pivotant et coulissant, est, au moins en partie, montée mobile entre deux positions, l'une de fermeture, pour laquelle elle est en application contre un contact fixe, l'autre d'ouverture, pour laquelle elle est au contraire écartée de ce contact fixe, est d'une manière générale caractérisé en ce que, le levier d'actionnement comportant latéralement une tige de commande, qui, pour son intervention, fait saillie hors du boítier à la faveur d'une boutonnière de celui-ci, cette boutonnière forme, localement, à l'écart de sa partie courante, un lobe d'échappement qui est apte à recevoir cette tige de commande.This auxiliary switch, which is of the kind comprising, in a housing, at least one contact blade, which, under the control of a pivotally mounted actuating lever and sliding, is, at least in part, movable mounted between two positions, one of closing, for which it is in application against one fixed contact, the other opening, to which, on the contrary, it is removed from this fixed contact, is generally characterized in that, the lever actuator laterally comprising a control rod, which, for its intervention, protrudes out of the housing at the favor of a buttonhole of it, this buttonhole forms, locally, away from its current part, a lobe exhaust which is suitable for receiving this control rod.
Ainsi, après avoir momentanément entraíné, par ses moyens de came, la tige de commande de l'interrupteur auxiliaire, le porte-fusible du coupe-circuit dirige cette tige de commande vers le lobe d'échappement de la boutonnière dans laquelle elle se débat, et ce porte-fusible peut ainsi poursuivre son trajet sans qu'il n'y ait plus une quelconque interférence entre lui et cette tige de commande.Thus, after having momentarily trained, by his cam means, switch control rod auxiliary, the fuse holder of the circuit breaker directs this rod button to the buttonhole exhaust lobe in which it struggles, and this fuse holder can thus continue its journey without there being any more interference between it and this control rod.
Au retour, les moyens de came de ce porte-fusible ramènent la tige de commande dans la partie courante de la boutonnière, pour son entraínement dans le sens inverse du précédent.On return, the cam means of this fuse holder bring the control rod back into the current part of the buttonhole, for its training in the opposite direction of previous.
La présente invention a encore pour objet un coupe-circuit dont le porte-fusible présente des moyens de came établis en conséquence.The present invention also relates to a circuit breaker with fuse holder having cam means established accordingly.
Les objets de l'invention, leurs caractéristiques et
leurs avantages, ressortiront d'ailleurs de la description qui
va suivre, à titre d'exemple, en référence aux dessins
schématiques annexés sur lesquels :
Tel qu'illustré sur ces figures, et ainsi qu'il est
mieux visible sur la figure 3, l'interrupteur auxiliaire 10
suivant l'invention comporte, de manière connue en soi, dans
un boítier 11, au moins une lame de contact 12A, qui, sous le
contrôle d'un levier d'actionnement 14 monté pivotant et
coulissant suivant des dispositions décrites plus en détail
ultérieurement, est, au moins en partie, montée mobile entre
deux positions, l'une de fermeture, représentée à la figure 3,
pour laquelle elle est en application contre un contact fixe
15A, l'autre d'ouverture, représentée à la figure 7B, pour
laquelle elle est au contraire écartée de ce contact fixe 15A.As illustrated in these figures, and as it is
best seen in Figure 3, the
Dans la forme de réalisation représentée, cet
interrupteur auxiliaire 10 constitue un appareil modulaire.In the embodiment shown, this
Son boítier 11 se présente donc sous la forme générale
d'une plaquette, avec deux faces principales 16 parallèles
l'une à l'autre, et, suivant son contour, une face arrière 17,
deux faces latérales 18 sensiblement parallèles entre elles et
perpendiculaires à la face arrière 17, et une face avant 19,
qui, abstraction faite d'une partie saillante 20 dans sa zone
médiane, est sensiblement parallèle à la face arrière 17.Its
En pratique, la face arrière 17 présente une encoche
21, à la faveur de laquelle est susceptible d'intervenir un
dispositif d'encliquetage, non représenté, pour la fixation de
l'ensemble sur un rail de support de type normalisé, également
non représenté.In practice, the
Dans la forme de réalisation représentée, le boítier
11 est formé, d'une part, d'un socle 22, qui forme corps de
boíte, et dont le fond 23 forme l'une des faces principales 16,
et, d'autre part, d'un couvercle 24, qui, rapporté sur le socle
22, est dûment solidarisé à celui-ci, et qui forme l'autre des
faces principales 16.In the embodiment shown, the
Les dispositions qui précèdent sont bien connues par elles-mêmes, et, ne relevant pas en propre de la présente invention, elles ne seront pas décrites plus en détail ici. The foregoing provisions are well known by themselves, and, not specifically falling under this invention, they will not be described in more detail here.
Dans la forme de réalisation représentée,
l'interrupteur auxiliaire 10 suivant l'invention comporte une
deuxième lame de contact 12B, qui, sous le contrôle, elle
aussi, du levier d'actionnement 14, est, elle aussi, au moins
en partie montée mobile entre deux positions, l'une de
fermeture, représentée à la figure 7B, pour laquelle elle est
en application contre un deuxième contact fixe 15B, l'autre
d'ouverture, représentée à la figure 3, pour laquelle elle est
au contraire écartée de ce contact fixe 15B.In the embodiment shown,
the
Plus précisément, dans la forme de réalisation
représentée, l'interrupteur auxiliaire 10 suivant l'invention
constitue un inverseur, les deux contacts fixes 15A, 15B étant
portés par une même bande métallique 25 par laquelle ils sont
en liaison avec une borne d'entrée 26 tandis que les deux lames
de contact 12A, 12B sont, elles, chacune individuellement en
liaison avec deux bornes de sortie 27A, 27B et que l'une est
en position de fermeture tandis que l'autre est en position
d'ouverture, et réciproquement.More specifically, in the embodiment
shown, the
En pratique, la lame de contact 12A est encastrée sur
le boítier 11 à l'une de ses extrémités, et, par son autre
extrémité, qui est libre, elle coopère avec le contact fixe 15A
auquel elle est associée.In practice, the
Plus précisément, dans la forme de réalisation
représentée, la lame de contact 12A comporte deux tronçons, à
savoir, un tronçon fixe 28, qui est en liaison avec la borne
de sortie 27A, et qui est inséré entre des plots 30 venus d'un
seul tenant du fond 23 du socle 22 du boítier 11, et un tronçon
mobile 31, qui est soumis au levier d'actionnement 14, suivant
des dispositions décrites plus en détail ultérieurement, et qui
coopère avec le contact fixe 15A.More specifically, in the embodiment
shown, the
Dans la forme de réalisation représentée, ce tronçon
fixe 28 et ce tronçon mobile 31 font un dièdre aigu entre eux.In the embodiment shown, this section
fixed 28 and this
De même, la deuxième lame de contact 12B est encastrée
sur le boítier 11 à l'une de ses extrémités, et, par son autre
extrémité, qui est libre, elle coopère avec le contact fixe 15B
auquel elle est associée. Likewise, the
Plus précisément, et comme la lame de contact 12A,
cette lame de contact 12B comporte, dans la forme de
réalisation représentée, un tronçon fixe 33, qui est en liaison
avec la borne de sortie 27B, et qui est inséré entre la partie
du rebord 34 du socle 22 du boítier 11 formant la face arrière
17 de ce dernier et des plots 35 venus d'un seul tenant du fond
23 de ce socle 22, et un tronçon mobile 36, qui est soumis au
levier d'actionnement 14, et par lequel elle coopère avec le
contact fixe 15B.More precisely, and like the
Dans la forme de réalisation représentée, ce tronçon
fixe 33 et ce tronçon mobile 36 font un dièdre obtus entre eux.In the embodiment shown, this section
fixed 33 and this
La borne d'entrée 26 ouvre sur l'une des faces
latérales 18 du boítier 11, tandis que les bornes de sortie
27A, 27B ouvrent sur la face latérale 18 opposée, en étant
étagées sur celle-ci.The
Mais, pour chacune d'elles, la vis de serrage 37 est
accessible à partir de la face avant 19 du boítier 11.But, for each of them, the
Suivant l'invention, le levier d'actionnement 14
comporte, latéralement, une tige de commande 38, qui, pour son
intervention, et suivant des modalités décrites plus en détail
ultérieurement, fait saillie hors du boítier 11 à la faveur
d'une boutonnière 39 de celui-ci, et cette boutonnière 39
forme, localement, à l'écart de sa partie courante 40, un lobe
d'échappement 42 qui est apte à recevoir cette tige de commande
38.According to the invention, the
Dans la forme de réalisation représentée, le levier
d'actionnement 14 se présente, globalement, sous la forme d'un
bâtonnet creux, à section transversale en U.In the embodiment shown, the
Il comporte ainsi, d'une part, deux flancs 44, qui
sont sensiblement parallèles entre eux, et qui, abstraction
faite d'une inflexion dans leur zone médiane, sont en pratique
sensiblement rectilignes, et, d'autre part, un fond 45, plat,
qui est sensiblement perpendiculaire aux flancs 44.It thus comprises, on the one hand, two
Les flancs 44 forment entre eux une rainure 46.The
A l'une des extrémités, 47, du levier d'actionnement
14, cette rainure 46 est ouverte, tandis que, à l'autre de ses
extrémités, 48, elle est fermée, l'un des flancs 44 rejoignant
l'autre par un profil arrondi 49.At one end, 47, of the
Le levier d'actionnement 14 ainsi globalement
constitué a sa concavité tournée vers le fond 23 du socle 22
du boítier 11, et, pour son guidage, sa largeur L1, c'est-à-dire
la distance séparant extérieurement l'un de l'autre ses
deux flancs 44, est sensiblement égale à la distance L2
séparant intérieurement ce fond 23 du couvercle 24, tel que
schématisé en traits interrompus sur la figure 5, tout en étant
légèrement inférieure à cette distance L2.The
La tige de commande 38 est portée par un massif 50,
qui, issu d'un seul tenant du fond 45, sensiblement
perpendiculairement à celui-ci, s'étend entre les flancs 44,
à distance de l'une et l'autre des extrémités 47, 48, mais plus
près de l'extrémité 47 ouverte que de l'extrémité 48 fermée.The
En pratique, la tige de commande 38 comporte, à sa
base, pour son guidage, un tronçon 52 de plus grande section,
dont le diamètre D1 correspond sensiblement à la largeur L3 de
la boutonnière 39 du boítier 11, tout en étant légèrement
inférieur à cette largeur L3.In practice, the
Dans la forme de réalisation représentée, elle
comporte, également, un tronçon 53 dont le diamètre D2 est
intermédiaire entre celui D1 du tronçon 52 et son propre
diamètre D3.In the embodiment shown, it
also includes a
Pour son montage pivotant et coulissant, le levier
d'actionnement 14 est en prise, par sa rainure 46, du côté de
son extrémité 47 ouverte, avec un ergot 54 solidaire du boítier
11, figure 3.For its pivoting and sliding mounting, the
Il s'agit, en pratique, d'un ergot 54 cylindrique, de
section transversale circulaire, qui est d'un seul tenant avec
le fond 23 du socle 22 du boítier 11, et dont le diamètre D4
est sensiblement égal à la largeur L4 séparant intérieurement
l'un de l'autre les deux flancs 44 du levier d'actionnement 14,
tout en étant légèrement inférieur à cette largeur L4.In practice, it is a
Pour son action sur la lame de contact 12A, le levier
d'actionnement 14 comporte, transversalement, dans sa zone
médiane, c'est-à-dire entre ses extrémités 47, 48, un évidement
55, qui affecte en pratique ses seuls flancs 44, sans
interférence avec son fond 45, et à la faveur duquel il est
traversé de part en part par cette lame de contact 12A.For its action on the
Plus précisément, le levier d'actionnement 14
présente, en bordure de cet évidement 55, un bossage 56, à
profil arrondi, qui est d'un seul tenant avec l'un de ses
flancs 44, en l'espèce celui opposé à celui présentant un
profil arrondi 49 à l'extrémité 48 fermée, en formant en
quelque sorte un renflement local de ce flanc 44, et par lequel
il est apte à agir sur la lame de contact 12A.More specifically, the
Le massif 50 portant la tige de commande 38 s'étend
lui aussi en bordure de l'évidement 55, mais du côté de celui-ci
opposé au bossage 56, et il est d'un seul tenant avec le
flanc 44 présentant un profil arrondi. 49 à l'extrémité 48
fermée.The block 50 carrying the
En pratique, pour la position de fermeture représentée
sur la figure 3, la lame de contact 12A porte élastiquement,
par elle-même, sur le contact fixe 15A auquel elle est
associée, et le bossage 56 du levier d'actionnement 14 se situe
du même côté de cette lame de contact 12A que ce contact fixe
15A, à légère distance de la lame de contact 12A.In practice, for the closed position shown
in FIG. 3, the
La lame de contact 12B s'étend, elle, de l'autre côté
de la tige de commande 38 du levier d'actionnement 14 par
rapport à la lame de contact 12A.The
Le levier d'actionnement 14 est apte à agir sur cette
lame de contact 12B par l'une de ses extrémités, en l'espèce
l'extrémité 48 fermée présentant un profil arrondi 49.The
L'une au moins des lames de contact 12A, 12B est au
moins en partie élastiquement déformable, et constitue ainsi
par elle-même des moyens élastiques propres à un maintien
stable du levier d'actionnement 14 dans l'une au moins de ses
positions.At least one of the
En pratique, il s'agit de la lame de contact 12B,
celle-ci se trouvant contrainte élastiquement par le levier
d'actionnement 14 lorsqu'elle est en position de fermeture.In practice, it is the
Dans la forme de réalisation représentée, le lobe
d'échappement 42 que forme la boutonnière 39 du boítier 11
s'étend en pratique à l'une des extrémités de la partie
courante 40 de celle-ci.In the embodiment shown, the lobe
exhaust 42 formed by the
Dans la forme de réalisation représentée, ce lobe
d'échappement 42 se réduit en pratique à un prolongement coudé
de la partie courante 40, en se raccordant à celle-ci par un
tronçon largement arrondi 57, et cette partie courante 40 est
sensiblement rectiligne.In the embodiment shown, this lobe
exhaust 42 is reduced in practice to a bent extension
of the
Dans la forme de réalisation représentée, enfin, le
levier d'actionnement 14 comporte, latéralement, du côté opposé
à sa tige de commande 38, à la faveur du massif 50 portant
celle-ci, un perçage 58, qui est aligné, axialement, avec cette
tige de commande 38, et en correspondance avec lequel le
boítier 11, et, plus précisément, le couvercle 24 de celui-ci,
présente une boutonnière 59 de même type que la boutonnière 39
qu'il présente pour la tige de commande 38.In the embodiment shown, finally, the
actuating
Le coupe-circuit 60 auquel l'interrupteur auxiliaire
10 ainsi constitué est susceptible d'être associé ne sera pas
décrit dans tous ses détails ici, dans la mesure où il est
décrit dans la demande de brevet français No 94 15332, et où,
à cet égard, la description de celle-ci peut être considérée
comme faisant partie intégrante de la présente demande de
brevet.The
Il suffira d'indiquer qu'il comporte un porte-fusible
61 monté mobile entre deux positions, l'une de fermeture,
représentée à la figure 8, l'autre d'ouverture, représentée à
la figure 10C.It will suffice to indicate that it has a
En pratique, ce porte-fusible 61 se déplace suivant
une trajectoire courbe.In practice, this
Plus précisément, il est globalement cintré, et il est
en prise avec des moyens de guidage qui, solidaires du boítier
62 de l'ensemble, sont eux-mêmes globalement cintrés de manière
complémentaire.Specifically, it is generally bent, and it is
in engagement with guide means which, integral with the
Plus précisément, encore, ce porte-fusible 61
présente, en saillie, deux nervures 63, par lesquelles, tel que
schématisé en traits interrompus sur la figure 9, il est en
prise avec une nervure 64 solidaire du boítier 62 du
coupe-circuit 60. More precisely, again, this
Pour la commande de l'interrupteur auxiliaire 10, le
porte-fusible 61 du coupe-circuit 60 comporte des moyens de
came 65 sur le trajet desquels le boítier 62 de ce coupe-circuit
60 présente une ouverture 66 propre au passage de la
tige de commande 38 de son levier d'actionnement 14, cette
ouverture 66 étant en pratique constituée par une boutonnière
du même type que les boutonnières 39, 59 du boítier 11 de
l'interrupteur auxiliaire 10.For the control of the
Comme décrit dans la demande de brevet européen
No 95402874.2, les moyens de came 65 comportent une rainure 67
que présente en creux le porte-fusible 61, entre ses nervures
63, pour l'engagement de la tige de commande 38, tel que
schématisé en traits interrompus sur la figure 9.As described in the European patent application
No 95402874.2, the cam means 65 have a
En pratique, cette rainure 67 présente,
successivement, suivant l'invention, deux tronçons, qui sont
décalés transversalement l'un par rapport à l'autre, à savoir,
un premier tronçon 68, qui ouvre, librement, par un débouché
69, à l'extrémité du porte-fusible 61, sur la tranche de celui-ci,
et un deuxième tronçon 70, qui, au contraire, présente un
fond borgne 71, avec, au raccordement de ces deux tronçons 68,
70, d'une part, sur un premier des flancs de cette rainure 67,
un pan d'entraínement 72, qui, tourné vers le fond borgne 71
du deuxième tronçon 70, est apte à un entraínement de la tige
de commande 38, et, d'autre part, sur l'autre des flancs de
cette rainure 67, entre le fond borgne 71 du deuxième tronçon
70 et le pan d'entraínement 72, un pan de déviation 74, qui,
tourné vers le débouché 69 du premier tronçon 68, est apte à
dévier cette tige de commande 38.In practice, this
Prise dans son ensemble, la rainure 67 est par
ailleurs globalement cintrée, à l'image de la trajectoire
courbe du porte-fusible 61.Taken as a whole, groove 67 is by
elsewhere generally curved, like the trajectory
Au montage, lorsque l'interrupteur auxiliaire 10
suivant l'invention est accolé au coupe-circuit 60 auquel il
est associé, et que le porte-fusible 61 de ce coupe-circuit 60
est en position de fermeture, tel que représenté à la figure
8, la tige de commande 38 de l'interrupteur auxiliaire 10 est
en prise avec la rainure 67 formant les moyens de came 65 que
comporte le porte-fusible 61, en se situant du côté du fond
borgne 71 du deuxième tronçon 70 de cette rainure 67, tel que
schématisé en traits interrompus sur cette figure 8.During assembly, when the
Si, suivant les flèches F1 des figures 8, 10A et 10B,
le porte-fusible 61 est commandé en ouverture, il a tout
d'abord une course à vide pour laquelle il reste sans incidence
sur la tige de commande 38 de l'interrupteur auxiliaire 10,
jusqu'à ce que le pan d'entraínement 72 de sa rainure 67 vienne
au contact de cette tige de commande 38, tel que schématisé en
traits interrompus sur la figure 10A.If, according to the arrows F1 in FIGS. 8, 10A and 10B,
Il y a ensuite un entraínement de cette tige de
commande 38 par le porte-fusible 61, suivant la partie courante
40 de la boutonnière 39 du boítier 11 de l'interrupteur
auxiliaire 10.Then there is a training of this rod of
Dans un premier temps, et tel que représenté à la
figure 7A, le levier d'actionnement 14 de cet interrupteur
auxiliaire 10 vient, par son bossage 56, porter sur la lame de
contact 12A, ce qui provoque le passage de celle-ci en position
d'ouverture, cependant que, par son extrémité 48 fermée, il
vient également porter sur la lame de contact 12B.At first, and as shown in the
FIG. 7A, the actuating
Dans un deuxième temps, et tel que représenté sur la
figure 7B, le levier d'actionnement 14 assure le passage en
position de fermeture de la lame de contact 12B, tout en
accentuant l'ouverture de la lame de contact 12A.Secondly, and as shown in the
FIG. 7B, the
Lorsque, comme représenté sur la figure 7B, et tel que
schématisé en traits interrompus sur la figure 10B, la tige de
commande 38 de l'interrupteur auxiliaire 10 arrive au droit du
lobe d'échappement 42 de la boutonnière 39 du boítier 11, elle
se trouve dirigée vers ce lobe d'échappement 42 par le tronçon
largement arrondi 57 de cette boutonnière 39, en sorte que, tel
que représenté sur la figure 10B, le porte-fusible 61 du coupe-circuit
60 peut continuer librement son parcours, jusqu'à sa
position finale d'ouverture.When, as shown in Figure 7B, and as
shown schematically in broken lines in FIG. 10B, the rod of
Lorsque ce porte-fusible 61 est ramené en position de
fermeture, un processus inverse du précédent se développe.When this
Tout d'abord, la rainure 67 formant les moyens de came
65 de ce porte-fusible 61 vient à nouveau s'engager, à la
faveur du débouché 69 de son premier tronçon 68, sur la tige
de commande 38 du levier d'actionnement 14 de l'interrupteur
auxiliaire 10, puis, par son pan de déviation 74, elle provoque
le dégagement de cette tige de commande 38 du lobe
d'échappement 42 de la boutonnière 39 du boítier 11 de cet
interrupteur auxiliaire 10, jusqu'à la ramener dans la partie
courante 40 de cette boutonnière 39, et, enfin, par le fond
borgne 71 de son deuxième tronçon 70, elle agit sur cette tige
de commande 38 dans le sens provoquant le retour du levier
d'actionnement 14 de l'interrupteur auxiliaire 10 à sa position
initiale.First, the
Conjointement, les lames de contact 12A, 12B de
l'interrupteur auxiliaire 10 reviennent d'elles-mêmes
élastiquement à leur position initiale, en l'espèce une
position de fermeture pour la lame de contact 12A et une
position d'ouverture pour la lame de contact 12B.Together, the
Si désiré, le perçage 58 du levier d'actionnement 14
peut permettre la commande en cascade d'un autre interrupteur
auxiliaire, ou d'un autre appareil électrique, non représenté.If desired, the
Il suffit pour ce faire que la tige de commande 38 du
levier d'actionnement 14 de cet autre interrupteur auxiliaire,
ou une tige de commande prévue de manière semblable à cet effet
sur cet autre appareil électrique, soit engagée dans ce perçage
58.To do this, the
Claims (17)
- An auxiliary switch for a circuit-breaker, of the kind comprising in a housing (11) at least one contact blade (12A) which under the control of an actuating lever (14) mounted pivotably and slidably is at least in part mounted movably between two positions, one being a closure position in which it is in a condition of bearing against a fixed contact (15A) and the other being an open position in which in contrast it is spaced away from said fixed contact, the actuating lever (14) laterally comprising an operating rod (38) which for actuation thereof projects out of the housing (11) by way of a slot (39) therein, said slot (39) locally forming away from the main portion (40) thereof an escape lobe (42) which is suitable for receiving said operating rod (38).
- An auxiliary switch according to claim 1 characterised in that the escape lobe (42) that the slot (39) in the housing (11) forms extends at one of the ends of the main portion (40) thereof.
- An auxiliary switch according to claim 2 characterised in that the escape lobe (42) that the slot (39) in the housing (11) forms is reduced to a bent prolongation of the main portion (39) thereof, being connected thereto by way of a widely rounded portion (57).
- An auxiliary switch according to any one of claims 1 to 3 characterised in that the main portion (40) of the slot (39) in the housing (11) is substantially rectilinear.
- An auxiliary switch according to any one of claims 1 to 4 characterised in that, for its pivotal and slidable mounting, the actuating lever (14) comprises a groove (46), by way of which it is in engagement with a projection (54) on the housing (11).
- An auxiliary switch according to any one of claims 1 to 5 characterised in that the actuating lever (14) comprises an opening (55), by way of which the contact blade (12A) passes therethrough from one side to the other, and bordering said opening (55) it has a boss (56) by way of which it is capable of acting on said contact blade (12A).
- An auxiliary switch according to claim 6 characterised in that in the closure position the contact blade (12A) bears elastically by itself against the fixed contact (15A) with which it is associated and the boss (56) on the actuating lever (14) is on the same side of said contact blade (12A) as said fixed contact (15A).
- An auxiliary switch according to any one of claims 1 to 7 characterised in that the contact blade (12A) is inserted on the housing (11) at one of its ends and by way of its other end which is free it co-operates with the fixed contact (15A) with which it is associated.
- An auxiliary switch according to any one of claims 1 to 8 characterised in that it comprises a second contact blade (12B) which also under the control of the actuating lever (14) is at least in part mounted movably between two positions, one being a closure position in which it is in a condition of bearing against a second fixed contact (15B) and the other an open position in which in contrast it is spaced away from said fixed contact (15B).
- An auxiliary switch according to claim 9 characterised in that the second contact blade (12B) extends on the other side of the operating rod (38) of the actuating lever (14) with respect to the first.
- An auxiliary switch according to either one of claims 9 and 10 characterised in that the actuating lever (14) is capable of acting on the second contact blade (12B) by one of its ends.
- An auxiliary switch according to claim 11 characterised in that the end (48) by way of which the actuating lever (14) is capable of acting on the contact blade (12B) is of a rounded profile (49).
- An auxiliary switch according to any one of claims 9 to 12 characterised in that the second contact blade (12B) is inserted on the housing (11) at one of its ends and by way of its other end which is free it co-operates with the fixed contact (15B) with which it is associated.
- An auxiliary switch according to any one of claims 9 to 13 characterised in that one at least of the contact blades (12A, 12B) is at least in part elastically deformable and thus by itself constitutes resilient means for stably holding the actuating lever (14) in one at least of the positions thereof.
- An auxiliary switch according to any one of claims 1 to 14 characterised in that the actuating lever (14) comprises laterally on the opposite side to its operating rod (38) an aperture (58) which is axially aligned with said operating rod (38) and in correspondence with which the housing (11) has a slot (59) of the same type as the slot (39) that it has for said operating rod (38).
- An auxiliary switch according to any one of claims 1 to 15 characterised in that, the fuse carrier (61) of the circuit breaker (60) with which it is associated comprising for operation thereof cam means (65), on the path of which the housing (62) of said circuit breaker (60) has an opening (66) for the passage of the operating rod (38) of its actuating lever (14), said cam means (65) comprise a groove (67) that said fuse carrier (61) has in recessed relationship for engagement of said operating rod (38), said groove (67) successively having two portions (68, 70) which are displaced transversely with respect to each other, namely a first portion (68) which opens freely by way of an orifice (69) at the end of the fuse carrier (61) on the edge thereof and a second portion (71) which in contrast has a blind end (71) with, at the junction of said two portions (68, 70), on the one hand on a first of the flanks of said groove (67) an entrainment surface portion (72) which facing towards the blind end (71) of the second portion (70) is suitable for entrainment of the operating rod (38) and on the other hand on the other of the flanks of the groove (67) between the blind end (71) of the second portion (70) and the entrainment surface portion (72) a deflection surface portion (74) which facing towards the orifice (69) of the first portion (68) is capable of deflecting said operating rod (38).
- A circuit breaker of the kind comprising a fuse carrier (61) mounted movably between an open and a closure position, characterised in that for operation of an auxiliary switch (10) according to any one of claims 1 to 16 its fuse carrier (61) comprises cam means (65), on the path of which its housing (62) has an opening (66) for the passage of the operating rod (38) of the actuating lever (14) of said auxiliary switch (10), said cam means (65) comprise a groove (67) that said fuse carrier (61) has in recessed relationship for engagement of said operating rod (38), said groove (67) successively having two portions (68, 70) which are displaced transversely with respect to each other, namely a first portion (68) which opens freely by way of an orifice (69) at the end of the fuse carrier (61) on the edge thereof and a second portion (71) which in contrast has a blind end (71) with, at the junction of said two portions (68, 70), on the one hand on a first of the flanks of said groove (67) an entrainment surface portion (72) which facing towards the blind end (71) of the second portion (70) is suitable for entrainment of the operating rod (38) and on the other hand on the other of the flanks of the groove (67) between the blind end (71) of the second portion (70) and the entrainment surface portion (72) a deflection surface portion (74) which facing towards the orifice (69) of the first portion (68) is capable of deflecting said operating rod (38).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9515136 | 1995-12-20 | ||
FR9515136A FR2728383B1 (en) | 1994-12-20 | 1995-12-20 | AUXILIARY SWITCH FOR CIRCUIT BREAKER AND CORRESPONDING CIRCUIT BREAKER |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0780860A1 EP0780860A1 (en) | 1997-06-25 |
EP0780860B1 true EP0780860B1 (en) | 2003-05-07 |
Family
ID=9485713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96402756A Expired - Lifetime EP0780860B1 (en) | 1995-12-20 | 1996-12-17 | Auxiliary switch for circuit breaker and corresponding circuit breaker |
Country Status (4)
Country | Link |
---|---|
US (1) | US5969587A (en) |
EP (1) | EP0780860B1 (en) |
DE (1) | DE69627973T2 (en) |
ES (1) | ES2199276T3 (en) |
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WO2021223242A1 (en) * | 2020-05-08 | 2021-11-11 | 华为数字能源技术有限公司 | Circuit breaker and power distribution box |
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US6759939B2 (en) * | 2002-04-26 | 2004-07-06 | General Electric Company | Fuse holder assembly |
JP2004206910A (en) * | 2002-12-24 | 2004-07-22 | Sumitomo Wiring Syst Ltd | Fuse connector |
US6781503B1 (en) * | 2003-04-24 | 2004-08-24 | Yazaki Corporation | Fuse assembly for differently structured fuses |
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-
1996
- 1996-12-17 ES ES96402756T patent/ES2199276T3/en not_active Expired - Lifetime
- 1996-12-17 EP EP96402756A patent/EP0780860B1/en not_active Expired - Lifetime
- 1996-12-17 DE DE69627973T patent/DE69627973T2/en not_active Expired - Lifetime
- 1996-12-19 US US08/770,162 patent/US5969587A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021223242A1 (en) * | 2020-05-08 | 2021-11-11 | 华为数字能源技术有限公司 | Circuit breaker and power distribution box |
Also Published As
Publication number | Publication date |
---|---|
DE69627973T2 (en) | 2003-11-27 |
ES2199276T3 (en) | 2004-02-16 |
US5969587A (en) | 1999-10-19 |
DE69627973D1 (en) | 2003-06-12 |
EP0780860A1 (en) | 1997-06-25 |
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