EP0069631B1 - Schalter mit Trennvorrichtung des Nulleiters - Google Patents

Schalter mit Trennvorrichtung des Nulleiters Download PDF

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Publication number
EP0069631B1
EP0069631B1 EP19820401160 EP82401160A EP0069631B1 EP 0069631 B1 EP0069631 B1 EP 0069631B1 EP 19820401160 EP19820401160 EP 19820401160 EP 82401160 A EP82401160 A EP 82401160A EP 0069631 B1 EP0069631 B1 EP 0069631B1
Authority
EP
European Patent Office
Prior art keywords
cradle
slide
neutral line
neutral
circuit
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
Application number
EP19820401160
Other languages
English (en)
French (fr)
Other versions
EP0069631A3 (en
EP0069631A2 (de
Inventor
Michel Galiay
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Merlin Gerin SA
Original Assignee
Merlin Gerin SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Merlin Gerin SA filed Critical Merlin Gerin SA
Publication of EP0069631A2 publication Critical patent/EP0069631A2/de
Publication of EP0069631A3 publication Critical patent/EP0069631A3/fr
Application granted granted Critical
Publication of EP0069631B1 publication Critical patent/EP0069631B1/de
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/10—Adaptation for built-in fuses
    • H01H9/104—Adaptation for built-in fuses with interlocking mechanism between switch and fuse
    • 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
    • H01H85/0078—Security-related arrangements
    • H01H85/0091—Security-related arrangements providing disconnection of the neutral line

Definitions

  • the invention relates to a circuit breaker with neutral disconnecting device comprising a support cradle for a fuse cartridge, pivotally mounted in a housing to selectively occupy an active position, in which the cartridge is locked in the cradle. support and inserted in a phase circuit connecting two connection terminals and an inactive position, in which the cartridge is isolated from said circuit and is removable from the support cradle and a neutral circuit cutting device actuated by said cradle, so as to close the neutral circuit in the active position of the cradle and open the neutral circuit in the inactive position of the cradle.
  • a known device comprises a movable neutral sectioning contact with positive unidirectional control in the closing direction of the neutral circuit, the opening resulting from the action of a return spring. (FR-A-2 431-762). When soldering or blocking the neutral contacts in the closed position, the cradle can be swiveled to the inactive position while the neutral circuit is closed and security is no longer guaranteed.
  • the present invention aims to allow the realization of a circuit breaker with increased security.
  • the circuit breaker according to the invention is characterized in that the fuse cartridge is housed in an extractable case, secured to a lever projecting from the front face of the housing, that said neutral sectioning device comprises a mounted slide slide sliding near and parallel to the rear face of the circuit breaker, and that said cradle carries a finger engages in a conjugate light of the slide to ensure a positive connection between the cradle and the slide, the position of the cradle giving a representation true to that of the slide.
  • connection between the fuse holder cradle and the movable contact of the neutral sectioning device ensures absolute agreement between the positions of these two members and avoids any false operation.
  • a circuit breaker with modular molded housing 10 capable of being fixed by its rear face 12 on a DIN rail (not shown), has on its opposite front face 14 a control lever 16.
  • This lever 16 belongs to an elongated case 18, in which a fuse cartridge 20 can be inserted, the case 18 itself being inserted in a cradle 22, pivotally mounted on an axis 24 in the housing 10. In the inactive position from the cradle 22, shown in the figure, the fuse holder case 18 can be removed from the cradle 22 for replacing the fuse cartridge 20 by pulling on the lever 16.
  • a neutral cutoff circuit is housed in the bottom of the housing 10 extending parallel to the rear face 12 and being connected to neutral terminals 44 adjacent to terminals 36 of the phase circuit described above.
  • the neutral circuit 42 comprises a movable contact strip in the form of a slide or drawer 46, mounted to slide parallel to the face 12 of the housing 10.
  • the drawer 46 is inserted between two fixed contact clips 48, 59, each connected to the 'one of the terminals 44 and it has a metal section 52 hatched in the figure, and an insulating section 54. In the right position of the drawer 46, shown in the figure, the insulating section 54 is inserted between the clamps 48, 50 and the neutral circuit 42 is cut off.
  • the metal section 52 is inserted between the clamps 48, 50 and forms the neutral circuit 42.
  • the cradle 22 is extended by a protuberance in the shape of a finger or ball joint 56 which engages with little play in a lumen 58 of the drawer 46, so as to create a desmodromic connection between the cradle 22 and the slide slide 46.
  • the finger connection 56, light 58 transforms the pivoting movement of the cradle 22 into a translation of the slide 46, the assembly being arranged to close the neutral circuit 42 when the phase circuit is closed and conversely open the neutral circuit when the phase circuit is open. It can be seen that the fuse 20 can only be removed from its housing when the phase circuit and the neutral circuit are both open.
  • the desmodromic connection between the cradle 22 and the slide slide 46 can of course be carried out in a different way, for example by articulations or rods and the neutral contact can be of the pivoting type.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Tumbler Switches (AREA)

Claims (1)

1. Unterbrecher mit Trennvorrichtung des Nulleiters (42) mit einer Tragwiege (22) einer Sicherungspatrone (20), schwenkbar in einem Gehäuse (10) montiert, um wahlweise eine aktive Lage einzunehmen, in welcher die Patrone (20) in der Tragwiege (22) verriegelt und in einem Phasenstromkreis eingeschaltet ist, der zwei Anschlussklemmen (36) verbindet, und eine nicht aktive Lage einzunehmen, in welcher die Patrone (20) von dem genannten Stromkreis isoliert und von der Tragwiege (22) abnehmbar ist, und mit einer von der genannten Tragwiege (22) betätigten Trennvorrichtung des Nulleiters, um den Nulleiter in der aktiven Lage der Tragwiege zu schliessen und um den Nulleiter in der nicht aktiven Lage zu öffnen, dadurch gekennzeichnet, dass die Sicherungspatrone in einem ausziehbaren Behälter (18) untergebracht ist, der mit dem aus der Vorderseite (14) des Gehäuses herausragenden Hebel (16) verbunden ist, und dass die genannte Trennvorrichtung des Nulleiters (42) einen Schubladenschlitten (46) aufweist, der gleitbar in der Nähe und parallel zu der Rückseite (12) des Unterbrechers angebracht ist, und dass die genannte Tragwiege (22) einen Finger (56) trägt, der in eine zugeordnete Öffnung (58) des Schlittens (46) eindringt, um eine positive Verbindung zwischen der Tragwiege (22) und dem Schlitten (46) zu gewährleisten, wobei die Lage der Tragwiege eine getreue Wiedergabe der Lage des Schlittens darstellt.
EP19820401160 1981-06-30 1982-06-24 Schalter mit Trennvorrichtung des Nulleiters Expired EP0069631B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8113198 1981-06-30
FR8113198A FR2508700A1 (fr) 1981-06-30 1981-06-30 Coupe-circuit a sectionnement du neutre

Publications (3)

Publication Number Publication Date
EP0069631A2 EP0069631A2 (de) 1983-01-12
EP0069631A3 EP0069631A3 (en) 1983-02-16
EP0069631B1 true EP0069631B1 (de) 1985-09-25

Family

ID=9260215

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19820401160 Expired EP0069631B1 (de) 1981-06-30 1982-06-24 Schalter mit Trennvorrichtung des Nulleiters

Country Status (4)

Country Link
EP (1) EP0069631B1 (de)
DE (1) DE3266536D1 (de)
ES (1) ES513534A0 (de)
FR (1) FR2508700A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2574218B1 (fr) * 1984-12-03 1987-03-20 Merlin Gerin Effecteur pour une installation modulaire de distribution domestique et de gestion d'energie electrique
DE3924371A1 (de) * 1989-07-22 1991-01-24 Hollandse Apparatenfab Elektrisches schaltgeraet
FR2761540B1 (fr) * 1997-03-26 1999-06-11 Mecelec Ind Dispositif de raccordement electrique sectionnable entre un systeme a barres et plusieurs cables conducteurs

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1754441A (en) * 1926-08-23 1930-04-15 Sachs Joseph Electric-circuit-controlling appliance
US2168540A (en) * 1937-04-13 1939-08-08 Colt S Mfg Co Electric switch
US2423099A (en) * 1945-09-13 1947-07-01 Stephen S Grady Electric switch
US4233482A (en) * 1977-02-28 1980-11-11 Gould Inc. Enclosed fused disconnect switch
FR2431762A1 (fr) * 1978-07-19 1980-02-15 Legrand Sa Coupe-circuit a prehenseur et sectionnement de neutre

Also Published As

Publication number Publication date
ES8304707A1 (es) 1983-03-16
DE3266536D1 (en) 1985-10-31
FR2508700A1 (fr) 1982-12-31
EP0069631A3 (en) 1983-02-16
EP0069631A2 (de) 1983-01-12
FR2508700B1 (de) 1985-03-22
ES513534A0 (es) 1983-03-16

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