EP2360706B1 - Interlocking device for interlocking at least a first and a second electrical circuit breaker - Google Patents

Interlocking device for interlocking at least a first and a second electrical circuit breaker Download PDF

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Publication number
EP2360706B1
EP2360706B1 EP10192734A EP10192734A EP2360706B1 EP 2360706 B1 EP2360706 B1 EP 2360706B1 EP 10192734 A EP10192734 A EP 10192734A EP 10192734 A EP10192734 A EP 10192734A EP 2360706 B1 EP2360706 B1 EP 2360706B1
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EP
European Patent Office
Prior art keywords
lever
actuating lever
kinematic mechanism
assumes
operating position
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EP10192734A
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German (de)
English (en)
French (fr)
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EP2360706A1 (en
Inventor
Andrea Cirolini
Luca Zilio
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BTicino SpA
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BTicino SpA
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Priority to PL10192734T priority Critical patent/PL2360706T3/pl
Publication of EP2360706A1 publication Critical patent/EP2360706A1/en
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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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
    • 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
    • H01H71/1009—Interconnected mechanisms
    • H01H71/1018—Interconnected mechanisms with only external interconnections

Definitions

  • the present invention concerns the technical field of electrical apparatuses and, more in particular, it concerns an interlocking device as defined in the preamble of the first claim.
  • interlocking devices that can be associated with electric circuit breakers, for example for preventing an undesired simultaneous connection of a load to two electrical supply networks intended to operate in a mutually exclusive manner (like, for example, a primary power supply network and an auxiliary power supply network).
  • Interlocking devices comprising a pair of inhibiting levers suitable for being rigidly coupled with respective front manoeuvring levers of the electric circuit breakers to be interlocked.
  • Each of such inhibiting levers is independently mobile between a first and a second operating position and is suitable for being alternatively and selectively locked, through a locking element that can slide between a first and a second locking position, in one of such operating positions.
  • the manoeuvring lever of the circuit breaker that is coupled with the locked inhibiting lever is in turn locked in a desired operating position of the manoeuvring lever.
  • a general purpose of the present invention is that of providing an alternative solution of an interlocking device with respect to the solutions of the prior art described above.
  • a group of parts as defined in claim 12 also forms the object of the present invention.
  • Figure 1 represents a group of parts, generally indicated with reference numeral 1.
  • the group 1 comprises an interlocking device 2 according to a currently preferred embodiment.
  • Such a device is operatively interposed between a first electrical circuit breaker, or right circuit breaker 3R, and a second electrical circuit breaker, or left circuit breaker 3L, for interlocking such circuit breakers.
  • the circuit breakers 3R, 3L respectively comprise a first manoeuvring lever, or right manoeuvring lever 5R, and a second manoeuvring lever, or left manoeuvring lever 5L.
  • Each of such levers is independently mobile between a first manoeuvring lever operating position, or lower manoeuvring position M_DOWN, and a second manoeuvring lever operating position, or upper manoeuvring position M_UP.
  • the lower and upper manoeuvring positions respectively correspond to an open state and to a closed state of the relative circuit breaker.
  • the circuit breakers 3R, 3L are two identical modular electrical circuit breakers, each of which is in particular made up of four unipolar circuit breakers stably coupled with one another.
  • interlocking device we mean, in general, a device that is suitable for preventing at least a first and a second electrical circuit breaker, between which such a device is operatively interposed, from simultaneously being in a closed state.
  • a typical example of application of devices of this type is the one used during the installation of protection devices of the continuity groups. In these applications, the interlocking device is used for preventing a load from being simultaneously connected to two power supply networks.
  • interlocking device we mean a device in which the interlocking function does not necessarily have to be obtained through a mechanical locking of the manoeuvring levers of the circuit breakers to be interlocked.
  • the interlocking device 2 is also a modular device.
  • the interlocking device 2 comprises a first actuating lever, or right actuating lever 10R, and a second actuating lever, or left actuating lever 10L.
  • Each of such levers 10R, 10L is independently movable between a first actuating lever operating position, or lower actuating position A_DOWN, and a second actuating lever operating position, or upper actuating position A_UP.
  • the right actuating lever 10R is represented in the lower actuation position A_DOWN and in the upper actuating position A_UP, respectively.
  • the left actuating lever 10L is represented in the upper actuating position A_UP.
  • the right and left actuating levers 10R, 10L can be operatively coupled to the right circuit breaker 3R and to the left circuit breaker 3L, respectively.
  • the actuating levers 10R, 10L preferably comprise respective interconnection appendices 12R, 12L, which in the example respectively partially project from two opposite side walls 14R, 14L of a device body 15 of the interlocking device.
  • the appendices 12R, 12L are mobile through respective movement openings 16R, 16L, in the example shaped like segments of a circular crown, provided on the side walls 14R, 14L.
  • the appendices 12R, 12L are suitable for being inserted into respective interconnection openings 18 ( figure 2 ) that are provided laterally on at least one side of the right and left manoeuvring levers 5R, 5L for rigidly coupling each actuating lever 10R, 10L to the respective manoeuvring lever 5R, 5L.
  • the interlocking device comprises a first kinematic mechanism or right kinematic mechanism 22R, 24R, 26R, 28R, 30R, 32R ( figure 7 ) and a second kinematic mechanism or left kinematic mechanism 22L, 24L, 26L, 28L, 30L, 32L ( figure 9 ).
  • the right kinematic mechanism and the left kinematic mechanism are independently actuatable through the right actuating lever 10R and the left actuating lever 10L, respectively.
  • each of such kinematic mechanisms is suitable for assuming a first operating configuration and a second operating configuration.
  • the first ( figure 7 ) and the second ( figure 8 ) operating configuration can be respectively associated to the open state and to the closed state of the right circuit breaker 3R.
  • the first ( figure 9 ) and the second ( figure 10 ) operating configuration can be respectively associated to the open state and to the closed state of the left circuit breaker 3L.
  • each actuating lever 10R, 10L is suitable for assuming a first operating state, or actuation state, and a second operating state, or idle state. More in particular, as shall be made clearer in the rest of the description, in the actuation state, each actuating lever allows the actuation of the respective kinematic mechanism so that when such a lever respectively assumes the lower actuating position A_DOWN or the upper actuating position A_UP such a kinematic mechanism respectively assumes the first or the second operating configuration. In the idle state, on the other hand, each actuating lever is a substantially idle lever movable between the lower and upper actuation positions. Again more in particular, it is worth observing that each actuating lever 10R, 10L is suitable for assuming the idle state when the other of such actuating levers simultaneously assumes the actuation state and the upper actuating position A_UP.
  • Figure 7 represents a plan view in which the side wall 14R ( figure 3 ) of the device body 15 has been removed to show the right kinematic mechanism 22R, 24R, 26R, 28R, 30R, 32R.
  • the right kinematic mechanism and a support element 40 have been removed to show the left kinematic mechanism 22L, 24L, 26L, 28L, 30L, 32L.
  • the preferably plate-shaped support element 40 is interposed between the right kinematic mechanism and the left kinematic mechanism and it is provided to support at least one of such kinematic mechanisms.
  • the support element or support plate 40 visible in greater detail in figure 6 , is suitable for supporting the right kinematic mechanism.
  • the left kinematic mechanism has a substantially identical operation to that of the right kinematic mechanism.
  • the left kinematic mechanism is also structurally substantially the same as or in any case structurally very similar to the right kinematic mechanism.
  • the shape of one or more members of the left kinematic mechanism can also differ to a certain extent from that of corresponding members of the right kinematic mechanism (for example the members 32R and 32L represented in figure 13 can be seen). In such a case, the operation of such members of the left kinematic mechanism remains, in any case, substantially identical to that of corresponding members of the right kinematic mechanism right.
  • the right kinematic mechanism comprises a first movement lever or right movement lever 22R, a first release member or right release lever 24R, a first transmission member or right transmission lever 26R, a first coupling lever or right coupling lever 28R, a first slider or right slider 30R and a first selection member or right selection lever 32R.
  • the left kinematic mechanism ( figure 9 ) correspondingly comprises a second movement lever or left movement lever 22L, a second release member or left release lever 24L, a second transmission member or left transmission lever 26L, a second coupling lever or left coupling lever 28L, a second slider or left slider 30L and a second selection member or left selection lever 32L.
  • the movement lever 22R comprises a first end portion of movement lever to which the right release lever 24R is preferably hinged so as to rotate around an axis parallel to the first device pin 43.
  • a release lever is in particular actuatable to make the respective actuating lever, that is to say the right actuating lever 10R, assume the aforementioned idle state.
  • the right movement lever 22R also comprises a second end portion of movement lever suitable for being coupled, preferably in resting relationship, with the right coupling lever 28R.
  • the first end portion of movement lever comprises an engagement portion 44R, preferably hook-shaped.
  • the right release lever 24R is coupled with a release lever spring, which is not represented in the figures, which is suitable for actuating the right release lever towards the engagement portion 44R of the right movement lever 22R.
  • the release lever 24R and the movement lever 22R are suitable for defining a movement space or movement slot 46R between them.
  • the right transmission lever 26R is hinged to the device body 15 preferably so as to be able to rotate, independently from the movement of the right lever 22R, around the first device pin 43. It is worth observing that the right transmission lever is suitable for engaging the left selection lever 32L. More in particular, the transmission lever 26R comprises a release portion or release tooth 47R and a portion of mechanical interference or interference tongue 49R. The release tooth 47R is suitable for engaging a thrust portion 51R, preferably flat, of the right release lever 24R.
  • the interference tongue 49R is suitable for engaging an inhibiting portion 53L, in the example a free end portion, of the left selection lever 32L.
  • the left transmission lever 26L analogously comprises a release portion or release tooth 47L and a portion of mechanical interference or interference tongue 49L that are suitable for respectively engaging with a thrust portion 51L of the left release lever 24L and an inhibiting portion 53R of the right selection lever 32R (such a lever is not illustrated in figure 9 ).
  • the support plate 40 comprises at least a support element through opening 55 ( figure 7 ), which is suitable to be operatively concurrently crossed by the left selection lever 32L and by the right selection lever 32R.
  • such a lever preferably comprises a housing seat 56, for example defined between a pair of walls of such a transmission lever, which is suitable for receiving the intermediate portion of the movement lever 42R ( figure 7 ).
  • the coupling lever 28R comprises a first end portion of coupling lever suitable, in the example, for resting on the second end portion of movement lever, and a second end portion of coupling lever hinged to a second device pin 58, fixedly attached to the device body 15.
  • the right coupling lever 28R comprises an intermediate portion of coupling lever, constrained in an articulated manner to the right slider 30R.
  • the intermediate portion of coupling lever is provided with a elongated coupling lever slot 62R that is suitable for receiving a first slider pin 64R that is fixedly attached to the right slider 30R.
  • the right selection lever 32R is also constrained in an articulated manner to the slider 30R.
  • the right selection lever comprises a first end portion of selection lever that is equipped with an elongated selection lever slot 66R.
  • Such a slot is in particular suitable for receiving a second slider pin 68R fixedly attached to the right slider 30R.
  • the right selection lever 32R comprises, in addition to the inhibiting portion 53R, a respective intermediate portion of selection lever hinged to rotate around a third device pin 72 fixedly attached to the device body 15.
  • a contrast spring 74R or an equivalent elastic element is provided, preferably fitted onto an end portion of the slider 30R, so as to oppose such a slider in a sliding direction.
  • An analogous contrast spring 74L is provided, preferably fitted onto an end portion of the slider 30L, so as to oppose such a slider in a sliding direction.
  • first pin 43, the second pin 58, the third pin 72, the first slider pin 64R and the second slider pin 68R have pin axes that are parallel to one another.
  • such a lever comprises at least a first coupling element or right coupling recess 82R, preferably a coupling hole, which is suitable for cooperating with at least one first interconnecting element or right interconnection pin 84R for coupling such a pin to the right kinematic mechanism.
  • At least a second coupling element or left coupling recess 82L ( figure 5 ) is provided on the left transmission lever 26L.
  • the recess 82L is in the example a slotted hole.
  • such a recess could be a hole which is the same as the hole 82R.
  • the coupling recess 82L is suitable for cooperating with a second interconnecting element or left interconnection pin (not represented in the figures) for coupling such a pin to the left kinematic mechanism.
  • the right pin 84R is suitable for being operatively interposed between the right kinematic mechanism and a mechanism for releasing or for opening the right circuit breaker.
  • the pin 84R in particular, has a first end portion that is coupled with the right transmission lever 26R and a second end portion that is coupled with a circuit breaker member 86 that is part of the releasing mechanism of the right circuit breaker.
  • the left pin is suitable for operatively being interposed between the left kinematic mechanism and a release or opening mechanism of the left circuit breaker.
  • both the side walls 14L, 14R of the device body 15 and at least the walls of the circuit breakers intended to operatively be facing such walls 14L, 14R are equipped with suitable interconnection through openings or interconnection slots 88, 92 ( figures 2 , 3 and 5 ).
  • the release mechanisms (not represented) of the right and left circuit breakers are quick release mechanisms.
  • Such mechanisms are suitable for making the manoeuvring lever of the respective circuit breaker snap towards the lower manoeuvring position M_DOWN, so as to obtain the quick opening of the circuit breaker. This occurs in particular, when a predetermined intermediate position of the manoeuvring lever is past, when such a lever is actuated, for example manually, from the upper manoeuvring position M_UP towards the lower manoeuvring position M_DOWN.
  • This type of quick release mechanism is widely known to a man skilled in the art and therefore shall not be described in further detail.
  • the right kinematic mechanism is connected to the actuating lever 10R through a first connection member or right connection strip 94R.
  • a strip is represented in greater detail in figure 15 .
  • the strip comprises, in particular, a first portion of strip or first arm 95 that is suitable for being hinged to the right actuating lever 10R and a second strip portion or second arm 96 that is suitable for being operatively interposed between the right release lever 24R and the engagement portion 44R.
  • the second arm 96 of the strip is in particular clamped between the right release lever and the engagement portion 44R.
  • a projection of the release lever 24R in particular avoids that the strip 94R snaps into the movement slot 46R when the right actuating lever assumes the actuation state.
  • a second connection member or left connection strip 94L having the same operation and preferably the same shape of the right strip 94R, is provided between the left actuating lever 10L and the left release lever 24L to connect the actuating lever 10L to the left kinematic mechanism.
  • the right transmission lever 26R is suitable for respectively assuming a first ( figure 7 ) and a second ( figure 8 ) transmission member operating position
  • the right selection lever is suitable for assuming respectively a stand-by operating position ( figure 7 ) and an inhibition operating position ( figure 8 , 11 , 12 ).
  • the left transmission lever is suitable for assuming respectively a first ( figure 9 ) and a second ( figure 10 ) transmission member operating position
  • the left selection lever is suitable for assuming respectively a stand-by operating position ( figure 9 ) and an inhibition operating position ( figure 10 ).
  • each of the right 84R and left pins when coupled with the respective transmission lever 26R, 26L, is suitable for assuming a first interconnection position, or lower interconnection position I_DOWN, and a second interconnection position, or upper interconnection position I_UP ( figures 3-5 ).
  • each interconnection pin is suitable for assuming respectively the lower or upper interconnection position when the transmission lever to which such a pin is coupled respectively assumes the first transmission member operating position ( figures 7 and 9 ) or the second transmission member operating position ( figures 8 and 10 ).
  • Such lower and upper interconnection positions can be operatively associated respectively with the open state and with the closed state of the circuit breaker 3L, 3R to which each interconnection pin is coupled.
  • the right selection lever 32R when it assumes the inhibition position, is suitable for being engaged by the left transmission lever 26L for preventing that such a transmission lever assumes the second transmission member operating position. It should be observed that in figure 11 , even though the left kinematic mechanism is shown, with the purpose of representing a configuration engagement between the right selection lever 32R and the left transmission lever 26L, neither the left selection lever 32L nor the support plate 40 have been represented. In such a figure, on the other hand, the right selection lever 32R has been represented in the inhibition position.
  • the left selection lever 32L when it assumes the inhibition position, is suitable for being engaged with the right transmission lever 26R for preventing that such a transmission lever assumes the second transmission member operating position.
  • the interference tongue 49R, 49L of each of the transmission levers 26R, 26L is suitable for engaging the selection lever of the other kinematic mechanism when such a selection lever assumes the inhibition position.
  • the release tooth 47R, 47L of each of the transmission levers 26R, 26L is suitable for engaging the release lever 24R, 24L of the respective kinematic mechanism for actuating such a release lever and making the respective actuating lever 10R, 10L assume the idle state.
  • the release tooth 47R and the interference tongue 49R are suitable for simultaneously engaging respectively the release lever 24R and the left selection lever 32L.
  • the release tooth 47L and the interference tongue 49L of the left transmission lever 26L are suitable for simultaneously engaging respectively the left release lever 24L and the right selection lever 32R.
  • each of the selection levers is removably lockable in the inhibition position when the respective actuating lever, that is to say the actuating lever associated with the same kinematic mechanism of the selection lever, simultaneously assumes the upper actuating position A_UP and the actuation state.
  • each selection lever can be released to switch from the inhibition position to the stand-by position, when the respective actuating lever assumes the actuation state and is actuated to switch from the upper actuating position A_UP to the lower actuating position A_DOWN.
  • the interlocking device 2 can comprise elements for communicating/detecting the electrical state of the group 1, and more in particular of the circuit breakers 3R, 3L.
  • the interlocking device 2 can comprise elements for communicating/detecting the electrical state of the group 1, and more in particular of the circuit breakers 3R, 3L.
  • the interlocking device 2 can comprise elements for communicating/detecting the electrical state of the group 1, and more in particular of the circuit breakers 3R, 3L.
  • the interlocking device 2 can comprise elements for communicating/detecting the electrical state of the group 1, and more in particular of the circuit breakers 3R, 3L.
  • the interlocking device 2 can comprise elements for communicating/detecting the electrical state of the group 1, and more in particular of the circuit breakers 3R, 3L.
  • the interlocking device 2 can comprise elements for communicating/detecting the electrical state of the group 1, and more in particular of the circuit breakers 3R, 3L.
  • the interlocking device 2 can comprise elements for communicating/detecting the electrical state of the group 1, and more in particular of the circuit breakers 3R,
  • the right kinematic mechanism assumes the second operating configuration ( figure 8 ). More in particular, following such an actuation of the actuating lever 10R, the right transmission lever 26R switches from the first position of transmission member ( figure 7 ) to the second position of transmission member ( figure 8 ) and the right interconnection pin 84R consequently switches from the lower interconnection position I_DOWN ( figure 3 ) to the upper interconnection position I_UP ( figure 4 ).
  • the interlocking device 2 assumes, in general, the configuration illustrated in figure 4 . It is worth observing that in such a configuration, the right actuating lever again assumes the actuation state.
  • the left kinematic mechanism remains in the first operating configuration ( figure 9 ).
  • the right kinematic mechanism is removably locked in such a configuration thanks to the action of the spring 74R and of the right strip 94R. From this condition, by actuating the actuating lever 10R towards the lower actuating position, such an actuating lever and the right kinematic mechanism are suitable for snapping, thanks to the action of the spring 74R, respectively in the lower actuating position A_DOWN and in the first operating configuration. In other words, both the right actuating lever 10R and the right kinematic mechanism assume the configuration illustrated in figure 7 again.
  • the right selection lever 32R is in the inhibition position and therefore prevents the left transmission lever 26L from assuming the second transmission position member ( figure 10 ). It is worth observing that in the configuration of figure 2 , between the selection lever 32R and the interference tongue 49L there is preferably a small space for the recovery of the clearances (not represented). Before the left transmission lever can assume the second transmission member position, the interference tongue 49L is suitable for abutting against the inhibiting portion 53R of the right selection lever 32R ( figure 12 ) so as to lock the rotation of the left transmission lever.
  • the left actuating lever when the left actuating lever assumes the idle state, it is suitable for assuming the upper actuating position A_UP and a plurality of intermediate positions between such an actuation position and the lower actuating position A_DOWN.
  • the left actuating lever 10L assumes the upper actuating position in the idle state, the left kinematic mechanism does not assume the second operating configuration.
  • the left strip cooperating with the release lever 24L, is automatically locked between such a release lever and the engagement portion 44L so that the actuating lever 10L assumes the actuation state again.
  • the left interconnection pin when the interference tongue 49L abuts against the inhibiting portion 53R, also the left interconnection pin is consequently prevented from assuming the upper interconnection position I_UP. This ensures that such a pin mechanically interferes with the release mechanism of the left circuit breaker preventing such a circuit breaker from assuming the closed state. More in particular, the left interconnection pin, mechanically interfering with the release mechanism of the left circuit breaker, substantially determines an uncoupling of the left manoeuvring lever 5L by the release mechanism of the left circuit breaker. In other words, the left manoeuvring lever is able to assume the upper manoeuvring position but the left circuit breaker does not assume the consequent closed state.
  • the left manoeuvring lever when from the configuration of figure 2 the left manoeuvring lever is actuated towards the upper manoeuvring position, the left actuating lever assumes the actuation state until there is the mechanical interference between the left transmission lever and the right selection lever. Subsequently, continuing the actuation of the left manoeuvring lever towards the upper manoeuvring position, such a manoeuvring lever is substantially uncoupled or released by the release mechanism of the left circuit breaker preventing the latter from assuming the closed state, while the left actuating lever assumes the idle state. In such a way the interlocking device 2 makes it possible to interlock the right and left circuit breakers.
  • the interlocking device 2 makes it possible to interlock the circuit breakers 3R, 3L without mechanically locking the manoeuvring levers 5R, 5L, but by achieving a particular kinematic condition of operation of the interlocking device itself.
  • actuation levers 10R, 10L do not undergo substantial stress even when the manoeuvring lever of the circuit breaker to be interlocked is actuated towards the upper manoeuvring position, such levers can advantageously be made with materials having a modulus of elasticity and/or a yield point that is lower with respect to that of the materials with which inhibiting levers of the interlocking devices of the prior art are normally made.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Push-Button Switches (AREA)
  • Keying Circuit Devices (AREA)
EP10192734A 2010-02-23 2010-11-26 Interlocking device for interlocking at least a first and a second electrical circuit breaker Active EP2360706B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10192734T PL2360706T3 (pl) 2010-02-23 2010-11-26 Urządzenie blokujące do blokowania co najmniej pierwszego oraz drugiego wyłącznika elektrycznego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITRM2010A000072A IT1398379B1 (it) 2010-02-23 2010-02-23 Dispositivo di interblocco per interbloccare almeno un primo ed un secondo interruttore elettrico.

Publications (2)

Publication Number Publication Date
EP2360706A1 EP2360706A1 (en) 2011-08-24
EP2360706B1 true EP2360706B1 (en) 2012-06-20

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EP10192734A Active EP2360706B1 (en) 2010-02-23 2010-11-26 Interlocking device for interlocking at least a first and a second electrical circuit breaker

Country Status (5)

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EP (1) EP2360706B1 (pl)
CN (1) CN102163509B (pl)
IT (1) IT1398379B1 (pl)
PL (1) PL2360706T3 (pl)
RU (1) RU2558397C2 (pl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2562451C1 (ru) * 2011-11-17 2015-09-10 АББ Технолоджи Лтд. Механизм взаимной блокировки для переключающих устройств
EP2669923B1 (en) * 2012-06-01 2015-09-02 General Electric Company Circuit breaker and method of tripping a circuit breaker
CN108109887B (zh) * 2012-08-22 2019-11-08 西门子公司 手柄以及断路器、多级断路器和带附件的断路器
WO2022222033A1 (en) * 2021-04-20 2022-10-27 Abb Schweiz Ag Mechanical interlocking system and switchgear comprising the same

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
US3767872A (en) * 1972-05-22 1973-10-23 N Whitchurch Interlocking device for plural circuit breaker assembly
SU1089647A1 (ru) * 1982-08-09 1984-04-30 Предприятие П/Я А-7354 Устройство дл блокировки поворотных выключателей
FR2643190B1 (fr) * 1989-02-16 1996-04-26 Merlin Gerin Module d'interverrouillage de deux appareils electriques a boitier moule miniature
FR2744563B1 (fr) * 1996-02-06 1998-04-03 Schneider Electric Sa Mecanisme de commande d'un disjoncteur a verrou debrayable sur un court-circuit
US5790369A (en) * 1996-11-14 1998-08-04 Labarge, Inc. Power transfer device for a utilities distribution pedestal
IT1319702B1 (it) * 2000-12-21 2003-11-03 Abb Ricerca Spa Dispositivo di interblocco per interruttori
US7145089B2 (en) * 2004-10-01 2006-12-05 Eaton Corporation Self retaining sliding bar interlock for circuit breaker
DE102005038629B3 (de) * 2005-08-10 2006-12-21 Siemens Ag Formschlüssige Verriegelung zur Verhinderung des Einschaltens eines Schalters
CN101101821B (zh) * 2006-07-03 2010-07-21 浙江正泰电器股份有限公司 具有连锁装置的断路器组
ITRM20060586A1 (it) 2006-10-27 2008-04-28 Bticino Spa Dospositivo di interblocco per apparecchi elettrici e gruppo di parti includente tale dispositivo
EP2073231B1 (en) * 2007-12-21 2010-11-10 Bticino S.p.A. Interlock device for electrical circuit breakers, kit of parts including such device
CN201402756Y (zh) * 2009-04-29 2010-02-10 曾辉 双电源互锁型断路器

Also Published As

Publication number Publication date
RU2558397C2 (ru) 2015-08-10
IT1398379B1 (it) 2013-02-22
EP2360706A1 (en) 2011-08-24
RU2011106782A (ru) 2012-08-27
CN102163509B (zh) 2015-01-14
ITRM20100072A1 (it) 2011-08-24
PL2360706T3 (pl) 2012-11-30
CN102163509A (zh) 2011-08-24

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