EP3300532B1 - Elektrische vorrichtung vom schutzschaltertyp - Google Patents

Elektrische vorrichtung vom schutzschaltertyp Download PDF

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Publication number
EP3300532B1
EP3300532B1 EP17720188.6A EP17720188A EP3300532B1 EP 3300532 B1 EP3300532 B1 EP 3300532B1 EP 17720188 A EP17720188 A EP 17720188A EP 3300532 B1 EP3300532 B1 EP 3300532B1
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EP
European Patent Office
Prior art keywords
contact
contact element
electrical device
axis
circuit
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Active
Application number
EP17720188.6A
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English (en)
French (fr)
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EP3300532A1 (de
Inventor
Denis Deckert
Jean-Marie Roiatti
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Hager Electro SAS
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Hager Electro SAS
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Publication of EP3300532A1 publication Critical patent/EP3300532A1/de
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Publication of EP3300532B1 publication Critical patent/EP3300532B1/de
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/40—Combined electrothermal and electromagnetic mechanisms
    • 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
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2463—Electromagnetic mechanisms with plunger type armatures
    • 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
    • H01H71/14—Electrothermal mechanisms
    • H01H71/16—Electrothermal mechanisms with bimetal element

Definitions

  • the present invention relates to an electrical device of the circuit breaker type. Electrical devices of this type are used to protect electrical equipment against overcurrents and short circuits.
  • circuit breaker type comprising a housing, a first circuit comprising a first contact and a second circuit being mounted in parallel with the first circuit and comprising a second contact and a bimetallic strip.
  • Said first circuit and said second circuit are connected in series with a coil of a magnetic actuator.
  • Said first contact comprises a first contact element and a second contact element and said second contact comprises a third contact element and a fourth contact element.
  • Said magnetic actuator is capable of opening the first contact by separating the first contact element from the second contact element when a first current is applied to the coil and is capable of opening the second contact by separating the third contact element from the fourth element contact when a second current is applied to the coil, the value of the second current being greater than the value of the first current.
  • Such an electrical appliance is, for example, known from the document WO 2012/140145 A1 .
  • This type of electrical device allows, thanks to the first circuit and the second circuit connected in parallel to reduce its overall impedance.
  • the magnetic actuator opens the first contact by moving the first contact element away from the second contact element. After a delay of approximately 0.5 to 1.5 ms, the short-circuit current flows through the second circuit and the short-circuit current is applied to the coil, the value of the short-circuit current being greater than the value of the second current. Then, the magnetic actuator opens the second contact by moving the third contact element away from the fourth contact element.
  • the first contact element, as well as the second contact element are each pivotally mounted relative to the housing and are each provided with a spring to which they are respectively connected. Each of these springs applies a force to the contact element to which they are linked.
  • the first and third contact elements are respectively kept pressed against the second contact element and the third contact element.
  • a third spring is connected to the mechanical lock and applies a force to this mechanical lock used to open the first contact and the second contact. The first spring therefore acts in a direction opposite to the direction in which the third spring acts. This makes the circuit breaker mechanism unstable and susceptible to malfunction.
  • the purpose of the electrical device according to the invention is to overcome these drawbacks and to propose an electrical device having a stable and reliable mechanism, while ensuring satisfactory cutting performance.
  • the electrical device is an electrical device of the circuit breaker type comprising a housing, a first circuit comprising a first contact and a second circuit mounted in parallel with the first circuit and comprising a second contact and a bimetallic strip. Said first circuit and said second circuit are connected in series with a coil of a magnetic actuator.
  • the first contact includes a first contact member and a second contact member.
  • the second contact includes a third contact element and a fourth contact element.
  • Said magnetic actuator is able to open the first contact by moving the first contact element away from the second contact element when a first current is applied to the coil and is able to open the second contact by removing the third contact contact element of the fourth contact element when a second current is applied to the coil.
  • the electrical device is characterized in that it comprises a contact carrier comprising a first mechanical connection mechanically connecting the first contact element to the contact carrier, a second mechanical connection mechanically connecting the third contact element to the door -contact and a third mechanical link mechanically connecting the contact carrier to the housing, the contact carrier allowing the relative movement of the first contact element and the third contact element relative to the housing.
  • the electrical device according to the invention has the advantage of having satisfactory cutting performance and of presenting a stable and reliable mechanism.
  • the magnetic actuator can be a double-stage actuator and comprise at least two stages, that is to say a first stage and a second stage.
  • the first stage of said magnetic actuator can be able to open the first contact by moving the first contact element away from the second contact element when the first current is applied to the coil and / or the second stage of said magnetic actuator can be able to open the second contact by moving the third contact element away from the fourth contact element when the second current is applied to the coil.
  • the first contact element comprises a first spring and the third contact element comprises a second spring, said first spring comprising a first end connected to the first contact element and a second end connected to the contact carrier, said second spring comprising a first end connected to the third contact element and a second end connected to the contact carrier.
  • the forces applied by the first spring and the second spring, respectively to the first contact element and to the third contact element are independent of the orientation (angular position) of the contact carrier relative to the housing.
  • the force applied by the first spring and the second spring can be precisely pre-established, which has the effect of improving the cutting performance.
  • the first mechanical connection and / or the second mechanical connection and / or the third mechanical connection is (are) one (or more) mechanical connection (s) with a degree of freedom.
  • the first mechanical connection allows rotation of the first contact element relative to the contact carrier around a first axis and / or the second mechanical connection allows a rotation of the third contact element relative to the contact carrier about a second axis and / or the third mechanical connection allows rotation of the contact carrier relative to the housing around a third axis.
  • the first axis, the second axis and the third axis are substantially parallel.
  • the first axis and the second axis are substantially collinear.
  • the first mechanical connection allows a translation of the first contact element relative to the contact carrier along a fourth axis and / or the second mechanical connection allows a translation of the third contact element relative to the contact carrier along a fifth axis and / or the third mechanical connection allows a translation of the contact carrier relative to the housing along a sixth axis.
  • the first axis, the second axis and the third axis are substantially parallel.
  • the first contact element has a symmetrical shape with respect to a first plane of symmetry and / or the third contact element has a symmetrical shape with respect to a second plane of symmetry.
  • the first axis is perpendicular to the first plane of symmetry and / or the second axis is perpendicular to the second plane of symmetry.
  • the first plane of symmetry is parallel to the second plane of symmetry.
  • the first plane of symmetry and the second plane of symmetry are coplanar.
  • the first contact element is able to perform a first rotation around the first axis to be brought into contact with the second contact element and the third contact element is able to perform a second rotation around the second axis to be brought into contact with the fourth contact element, the direction of the first rotation being the same as that of the second rotation.
  • the first current has an intensity greater than 1.13 times a nominal current of the electrical appliance, preferably between 1.13 and 2.55 times the nominal current of the electrical appliance, more preferably around 1.45 times the nominal current of the electrical appliance and / or the second current has an intensity between 2.55 and 20 times the nominal current of the electrical appliance, preferably between 4 and 12 times the nominal current of the electrical appliance.
  • the nominal current of the electrical device can be between around 6 amps and around 125 amps.
  • the figure 1 shows an electrical diagram of the circuit breaker according to the invention.
  • the circuit breaker 10 comprises a first circuit 40 comprising a first contact 41 and a second circuit 60 being mounted in parallel with the first circuit 40 and comprising a second contact 61 and a bimetallic strip 64.
  • the first circuit 40 and the second circuit 60 are mounted in series with a coil 81 of a magnetic actuator 80.
  • the first contact 41 comprises a first contact element 42 and a second contact element 43.
  • the second contact 61 comprises a third contact element 62 and a fourth contact element 63.
  • the magnetic actuator 80 is able to open the first contact 41 by moving the first contact element 42 away from the second contact element 43 when a first current is applied to the coil 81.
  • the magnetic actuator 80 is also able to open the second contact 61 by moving the third contact element 62 away from the fourth contact element 63 when a second current is applied to the coil 81.
  • the magnetic actuator 80 can be a double-stage actuator and comprise at least two stages, that is to say a first stage and a second stage.
  • the first stage of said magnetic actuator 80 may be able to open the first contact 41 by spreading the first contact element 42 from the second contact element 43 when the first current is applied to the coil 81 and / or the second stage of said magnetic actuator 80 may be able to open the second contact 61 by moving the third contact element 62 away from the fourth contact element 63 when a second current is applied to the coil 81.
  • the electrical appliance 10 may further comprise a mechanical lock 12 capable of acting mechanically on the first contact element 42 and the third contact element 62 so as to be able to open and / or close the first contact 41 and / or the second contact 61.
  • the bimetallic strip 64 may be able to act mechanically on the mechanical lock 12 to cause the opening of the first contact 41 and / or of the second contact 61.
  • the mechanical lock 12 can also be mechanically connected to a lever 14 so as to allow the lever 14 to act on the mechanical lock 12 so that the latter causes the opening of the first contact 41 and / or of the second contact 61.
  • the electrical appliance 10 is provided with a housing 20, in which are preferably arranged the first circuit 40, the second circuit 60, the mechanical lock 12, the magnetic actuator 80 and / or the contact carrier 100.
  • the lever 14 can also be, at least partially, included in the housing 20.
  • the contact carrier 100 comprises a first mechanical connection 101 mechanically connecting the first contact element 42 to the contact carrier 100, a second mechanical connection 102 mechanically connecting the third contact element 62 to the contact carrier 100 and a third mechanical link 103 mechanically connecting the contact carrier 100 to the housing 20.
  • the contact carrier 100 allows the relative movement of the first contact element 42 and the third contact element 62 relative to the housing 20.
  • the first mechanical connection 101 and / or the second mechanical connection 102 and / or the third mechanical connection 103 can be mechanical connections with a degree of freedom.
  • the first mechanical link 101 allows rotation of the first element contact 42 relative to the contact carrier 100 about a first axis A1.
  • the second mechanical link 102 allows rotation of the third contact element 62 relative to the contact carrier 100 about a second axis A2.
  • the arrangement of the first axis A1 and the second axis A2 is visible in the figures 2 to 9 and 12 to 15 .
  • the third mechanical link 103 allows rotation of the contact carrier 100 relative to the housing 20 around a third axis A3.
  • the arrangement of the third axis A3 is visible in the figures 2 to 9 and 12 to 15 .
  • the first axis A1, the second axis A2 and the third axis A3 are substantially parallel.
  • the first axis A1, the second axis A2 and / or the third axis A3 are also substantially collinear.
  • the first contact element 42 has a symmetrical shape with respect to a first plane of symmetry.
  • the third contact element 62 has a symmetrical shape with respect to a second plane of symmetry.
  • the contact carrier 100 takes a first position.
  • the contact carrier 100 takes the first position, the first contact element 42 is in contact with the second contact element 43.
  • the first contact element 42 can comprise a first spring 44 and the third contact element 62 comprises a second spring 65.
  • the first spring 44 can comprise a first end 44a connected to the first contact element 42 and a second end 44b connected to the holder. contact 100.
  • the second spring 65 can comprise a first end 65a connected to the third contact element 62 and a second end 65b connected to the contact holder 100.
  • the third contact element 62 is in contact with the fourth contact element 63.
  • the first spring 44 which is connected by its first end 44a to the first contact element 42 and by its second end 44b to the contact carrier 100 and the second spring 65, which is connected by its first end 65a to the third contact element 62 and by its second end 65b to the contact carrier 100, preferably act in substantially parallel directions.
  • the electrical appliance 10 can also comprise a third spring 104.
  • the third spring 104 can be connected by a first end 104a to the contact carrier 100 and by a second end 104b to the housing 20.
  • the third spring 104 can allow inertia tilting of the contact carrier 100.
  • the contact carrier 100 takes a second position in which the first contact element 42 is distant from the second contact element 43 and in which the third contact element 62 is in contact with the fourth contact element 63.
  • the contact carrier 100 can also comprise a tilting element 106.
  • the tilting element 106 can be rotatably mounted relative to the third axis A3.
  • the tilting element 106 may be mechanically connected to the contact carrier 100 and / or to the housing 20 and may allow relative movement relative to the contact carrier 100 and / or to the housing 20.
  • the tilting element 106 may include a first projection 107 which can come to bear against the first contact element 42 to move it away from the second contact element 43. This position is disclosed in the figure 5 . When the first projection 107 bears against the first contact element 42, the first projection 107 acts by compressing the first spring 44.
  • the third contact element 62 and the fourth contact element 63 are in contact when the contact carrier 100 takes the second position.
  • the tilting element 106 which takes a third position, bears against the first contact element 42 and the third contact element 62 to move the first contact element 42 away from the second contact element 43 and the third contact element 62 of the fourth contact element 63. In this third position, the tilting element 106 is turned anti-clockwise relative to the other elements of the contact carrier 100.
  • Contact holder 100 can take a fourth position in which the first contact element 42 is moved away from the second contact element 43 and in which the third contact element 62 is moved away from the fourth contact element 63.
  • the contact carrier 100 takes this fourth position continued manipulation of the lever 14.
  • the electrical device 10 comprises a magnetic actuator 80 capable of opening the first contact 41 by moving the first contact element 42 away from the second contact element 43 when a first current is applied to the coil 81, and able to open the second contact 61 by moving the third contact element 62 away from the fourth contact element 63 when a second current is applied to the coil 81.
  • the magnetic actuator 80 may comprise a first movable core 82, a second core movable 84 and an actuating rod 86.
  • the first movable core 82 and the second movable core 84 can bear against the actuating rod 86 to move the latter to, for example, move the contact carrier 100 from the first position to the second position, from the second position to the third position and / or from the third position to the fourth position.
  • the first movable core 82 can come to bear against a first bearing face 86a of the actuating rod 86.
  • the second movable core 84 can come to bear against a second bearing face 86b of the actuating rod 86.
  • the first movable core 82 is able to be moved when the first current is applied to the coil 81, to move the contact carrier 100 from the first position to the second position.
  • the second movable core 84 is able to be moved when the second current is applied to the coil 81, to move the contact carrier 100 from the second position to the third position.
  • the first movable core 82 comes to bear against the second bearing face 86b of the actuating rod 86 to move the latter towards the contact carrier 100 and / or the tilting element 106.
  • the first mobile core 82 is moved following an application of the first current to the coil 81.
  • the first mobile core 82 has been moved to first come into contact with the first bearing face 86a and then push the actuating rod 86 towards the outside of the magnetic actuator 80 in the direction of the contact carrier 100 and / or of the tilting element 106.
  • a tip 87 of the actuating rod 86 can come to bear against the tilting element 106 and / or the contact holder 100 to tilt the tilting element 106 and / or the contact holder 100.
  • the tip 87 of the actuating rod 86 bears against the tilting element 106 and / or the contact carrier 100 to distance the first contact element 42 of the second contact element 43 by moving the contact carrier 100 from the first position to the second position.
  • the third contact element 62 remains in contact with the fourth contact element 63.
  • the third contact element 62 may have the shape of a fork or a tuning fork comprising a first arm 62a, a second arm 62b extending substantially in parallel with the first arm 62a and a branch 62c which can come into contact with the fourth contact element 63.
  • the first contact element 42 may extend substantially in parallel with the two arms 62a, 62b and in extension of the branch 62c.
  • the first contact element 42 can be arranged between the two arms 62a, 62b of the third contact element and can preferably have a ribbon shape.
  • the electrical device 10 according to the second embodiment may comprise a magnetic actuator 80 identical to that of the first embodiment.
  • the contact carrier 100 takes the first position and that the first contact element 42 is in contact with the second contact element 43 and that the third contact element 62 is in contact with the fourth contact element 63 .
  • the contact carrier 100 takes the second position in which the first contact element 42 is spaced from the second contact element 43, while the third contact element 62 remains in contact with the fourth contact element 63.
  • a projection 107 of the tilting element 106 is in abutment against the first contact element 42 and separates the latter from the second contact element 43.
  • the projection 107 extends through the space between the first arm 62a and the second arm 62b.
  • the tilting element 106 is provided with a support section 108 which can each come to bear against one of the arms 62a, 62b of the third contact element 62 to spread the third contact element 62 of the fourth contact element 63.
  • these support sections 108 are each in abutment against one of the two arms 62a, 62b.
  • the first spring 44 and the second spring 65 act respectively on the first contact element 42 and the third contact element 62 so as to bear the first contact element 42 against the second contact element 43 and the third contact element 62 against the fourth contact element 63.
  • the first spring 44 and the second spring 65 can act in substantially parallel directions, either in the same direction when the first spring 44 and the second spring 65 are arranged on the same side with respect to the first and second axes A1, A2, either in the opposite direction when they are on either side of the first axis A1 and the second axis A2, as is, by example, the case for the second embodiment of the invention.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Breakers (AREA)

Claims (11)

  1. Elektrische Vorrichtung vom Schutzschaltertyp umfassend ein Gehäuse (20), eine erste Schaltung (40), die einen ersten Kontakt (41) aufweist, und eine zweite Schaltung (60), die mit der ersten Schaltung (40) parallel geschaltet ist und einen zweiten Kontakt (61) und ein Bimetall (64) aufweist,
    wobei die erste Schaltung (40) mit einer Spule (81) eines magnetischen Stellglieds (80) in Reihe geschaltet ist,
    der erste Kontakt (41) umfassend ein erstes Kontaktelement (42) und ein zweites Kontaktelement (43),
    der zweite Kontakt (61) umfassend ein drittes Kontaktelement (62) und ein viertes Kontaktelement (63),
    wobei das magnetische Stellglied (80) geeignet ist, den ersten Kontakt (41) durch Entfernen des ersten Kontaktelements (42) von dem zweiten Kontaktelement (43) zu öffnen, wenn ein erster Strom an die Spule (81) angelegt ist, und geeignet ist, den zweiten Kontakt (61) durch Entfernen des dritten Kontaktelements (62) von dem vierten Kontaktelement (63) zu öffnen, wenn ein zweiter Strom an die Spule (81) angelegt ist,
    einen Kontaktträger (100), und dadurch, dass der Kontaktträger (100) eine erste mechanische Verbindung (101), die das erste Kontaktelement (42) mechanisch mit dem Kontaktträger verbindet, eine zweite mechanische Verbindung (102), die das dritte Kontaktelement (62) mechanisch mit dem Kontaktträger (100) verbindet, und eine dritte mechanische Verbindung (103), die den Kontaktträger (100) mechanisch mit dem Gehäuse (20) verbindet, umfasst, wobei der Kontaktträger (100) die relative Bewegung des ersten Kontaktelements (42) und des dritten Kontaktelements bezogen auf das Gehäuse (20) gestattet,
    das erste Kontaktelement (42) umfassend eine erste Feder (44), die erste Feder (44) umfassend ein erstes Ende (44a), das mit dem ersten Kontaktelement (42) verbunden ist, und ein zweites Ende (44b), das mit dem Kontaktträger (100) verbunden ist,
    dadurch gekennzeichnet, dass die zweite Schaltung (60) mit der Spule (81) des magnetischen Stellglieds (80) in Reihe geschaltet ist, und
    dadurch, dass das dritte Kontaktelement (62) eine zweite Feder (65) umfasst,
    die zweite Feder (65) umfassend ein erstes Ende (65a), das mit dem dritten Kontaktelement (62) verbunden ist, und ein zweites Ende (65b), das mit dem Kontaktträger (100) verbunden ist.
  2. Elektrische Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die erste mechanische Verbindung (101) und/oder die zweite mechanische Verbindung (102) und/oder die dritte mechanische Verbindung (103) (eine) mechanische Verbindung(en) mit einem Freiheitsgrad ist (sind).
  3. Elektrische Vorrichtung nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass die erste mechanische Verbindung (101) eine Drehung des ersten Kontaktelements (42) bezogen auf den Kontaktträger (100) um eine erste Achse (A1) gestattet, und/oder dadurch, dass die zweite mechanische Verbindung (102) eine Drehung des dritten Kontaktelements (62) bezogen auf den Kontaktträger (100) um eine zweite Achse (A2) gestattet, und/oder dadurch, dass die dritte mechanische Verbindung (103) eine Drehung des Kontaktträgers (100) bezogen auf das Gehäuse (20) um eine dritte Achse (A3) gestattet.
  4. Elektrische Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die erste Achse (A1), die zweite Achse (A2) und die dritte Achse (A3) im Wesentlichen parallel sind.
  5. Elektrische Vorrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass die erste Achse (A1) und die zweite Achse (A2) im Wesentlichen kollinear sind.
  6. Elektrische Vorrichtung nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass das erste Kontaktelement (42) geeignet ist, eine erste Drehung um die erste Achse (A1) auszuführen, um mit dem zweiten Kontaktelement (43) in Kontakt gebracht zu werden, und das dritte Kontaktelement (62) geeignet ist, eine zweite Drehung um die zweite Achse (A2) auszuführen, um mit dem vierten Kontaktelement (63) in Kontakt gebracht zu werden, wobei die Richtung der ersten Drehung dieselbe wie die der zweiten Drehung ist.
  7. Elektrische Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das erste Kontaktelement (42) eine Form aufweist, die bezogen auf eine erste Symmetrieebene symmetrisch ist, und/oder das dritte Kontaktelement (62) eine Form aufweist, die bezogen auf eine zweite Symmetrieebene symmetrisch ist.
  8. Elektrische Vorrichtung nach einem der Ansprüche 3 bis 6 und Anspruch 7, dadurch gekennzeichnet, dass die erste Achse (A1) senkrecht zur ersten Symmetrieebene verläuft und/oder die zweite Achse (A2) senkrecht zur zweiten Symmetrieebene verläuft.
  9. Elektrische Vorrichtung nach einem der Ansprüche 7 oder 8, dadurch gekennzeichnet, dass die erste Symmetrieebene parallel zur zweiten Symmetrieebene verläuft.
  10. Elektrische Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass die erste Symmetrieebene und die zweite Symmetrieebene komplanar sind.
  11. Elektrische Vorrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass der erste Strom eine Stärke aufweist, die größer als das 1,13-fache eines Nennstroms der elektrischen Vorrichtung ist, vorzugsweise zwischen dem 1,13- und 2,55-fachen des Nennstroms der elektrischen Vorrichtung, besser noch ungefähr gleich dem 1,45-fachen des Nennstroms der elektrischen Vorrichtung, und/oder der zweite Strom eine Stärke aufweist, die zwischen dem 2,55- und 20-fachen des Nennstroms der elektrischen Vorrichtung, vorzugsweise zwischen dem 4- und 12-fachen des Nennstroms der elektrischen Vorrichtung liegt.
EP17720188.6A 2016-04-04 2017-03-30 Elektrische vorrichtung vom schutzschaltertyp Active EP3300532B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1652943A FR3049760B1 (fr) 2016-04-04 2016-04-04 Appareil electrique de type disjoncteur
PCT/FR2017/050730 WO2017174901A1 (fr) 2016-04-04 2017-03-30 Appareil electrique de type disjoncteur

Publications (2)

Publication Number Publication Date
EP3300532A1 EP3300532A1 (de) 2018-04-04
EP3300532B1 true EP3300532B1 (de) 2020-06-10

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EP17720188.6A Active EP3300532B1 (de) 2016-04-04 2017-03-30 Elektrische vorrichtung vom schutzschaltertyp

Country Status (5)

Country Link
EP (1) EP3300532B1 (de)
CN (1) CN109074995A (de)
AU (1) AU2017245795A1 (de)
FR (1) FR3049760B1 (de)
WO (1) WO2017174901A1 (de)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4714907A (en) * 1985-07-31 1987-12-22 Merlin Gerin Miniature electrical circuit breaker with multiple moving contacts and thermomagnetic trip release
SI22187A (sl) * 2005-12-29 2007-06-30 Eti Elektroelement D.D. Elektricno avtomatsko stikalo
EP2223321B1 (de) * 2007-12-24 2015-07-01 Eti Elektroelement D.D. Elektrische automatische schalter
DE102009030158A1 (de) * 2009-06-24 2010-12-30 Smrkolj, Jozef Elektrischer Selbstschalter mit geringen Energieverlusten und Doppelunterbrechung
SI2330611T1 (sl) * 2009-12-04 2012-08-31 Hager Electro S A S Soc Par Actions Simplifiee Selektivni odklopnik
DE102011016933A1 (de) * 2011-04-13 2012-10-18 Jozef Smrkolj Kontakteinrichtung und deren Antrieb für Schutzschaltgeräte

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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Publication number Publication date
WO2017174901A1 (fr) 2017-10-12
EP3300532A1 (de) 2018-04-04
FR3049760A1 (fr) 2017-10-06
CN109074995A (zh) 2018-12-21
AU2017245795A1 (en) 2018-11-01
FR3049760B1 (fr) 2019-08-23

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