EP0338868B1 - Modulares elektrisches Schutz- oder Befehlsgerät - Google Patents

Modulares elektrisches Schutz- oder Befehlsgerät Download PDF

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Publication number
EP0338868B1
EP0338868B1 EP89400013A EP89400013A EP0338868B1 EP 0338868 B1 EP0338868 B1 EP 0338868B1 EP 89400013 A EP89400013 A EP 89400013A EP 89400013 A EP89400013 A EP 89400013A EP 0338868 B1 EP0338868 B1 EP 0338868B1
Authority
EP
European Patent Office
Prior art keywords
lug
terminal
conductive
connecting part
casing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP89400013A
Other languages
English (en)
French (fr)
Other versions
EP0338868A1 (de
Inventor
Jean-Marie Roiatti
Francis Deckert
Thierry Sitz
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.)
Hager Electro SAS
Original Assignee
Hager Electro SAS
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 Hager Electro SAS filed Critical Hager Electro SAS
Priority to AT89400013T priority Critical patent/ATE91821T1/de
Publication of EP0338868A1 publication Critical patent/EP0338868A1/de
Application granted granted Critical
Publication of EP0338868B1 publication Critical patent/EP0338868B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08—Terminals; Connections
    • 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H71/7427—Adjusting only the electrothermal mechanism
    • H01H71/7436—Adjusting the position (or prestrain) of the bimetal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/18—Means for extinguishing or suppressing arc
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5855—Electric connections to or between contacts; Terminals characterised by the use of a wire clamping screw or nut
    • H01H2001/5861—Box connector with a collar or lug for clamping internal rail and external conductor together by a tightening screw
    • 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
    • H01H71/08—Terminals; Connections
    • H01H2071/084—Terminals; Connections specially adapted for avoiding decalibration of trip unit, e.g. bimetal, when fixing conductor wire to connector
    • 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection

Definitions

  • the present invention relates to an improvement of electrical protection or control devices, in particular modular devices, for example circuit breaker, differential circuit breaker, such as those which are installed in the control panels of electrical installations.
  • connection terminals generally of the cage terminal type, allowing the insertion and tightening of external conductors, said terminals being connected to a contact mechanism having one or more movable contacts capable of to be moved between a closed position with the fixed contact (s) and an open position remote from these contacts.
  • one of these terminals is generally electrically connected to a bi-metallic or bimetal trip device capable, when it is deformed by heating due to a current overload, to trigger the device. protection.
  • this terminal is also connected to an arc guiding electrode cooperating with the parts of an arc receiving chamber.
  • French patent application FR-A-2 580 861 describes an electrical protection device such as a circuit breaker containing, at least one contact assembly formed by a fixed contact and a movable contact, an arcing chamber at level of the contact area, a trip bimetal and at one of the interconnection terminals of the box, a single cut and folded conductive part incorporating a connection part to the terminal, an elongated and curved part forming an arc switching or guiding electrode and an elastically deformable location situated opposite an adjustment screw and serving as fixing for the bimetallic strip.
  • an electrical protection device such as a circuit breaker containing, at least one contact assembly formed by a fixed contact and a movable contact, an arcing chamber at level of the contact area, a trip bimetal and at one of the interconnection terminals of the box, a single cut and folded conductive part incorporating a connection part to the terminal, an elongated and curved part forming an arc switching or guiding electrode and an elastically deformable location situated opposite an
  • the present invention proposes to remedy these drawbacks and to provide an apparatus such as a circuit breaker or differential circuit breaker which has a part providing several functions and which allows simplified manufacture and assembly.
  • Another objective of the invention is to make it possible to manufacture this part on a single machine, making it possible, moreover, to pre-adjust the position of a bimetal adjustment screw.
  • the invention relates to a modular electrical protection or control device such as a circuit breaker or differential circuit breaker containing, in a modular type housing at least one contact assembly formed by a fixed contact and a movable contact, a chamber arc at the contact area, a tripping bimetal and, at one of the interconnection terminals of the housing, a conductive part which is made in one piece by cutting and folding and which has a part for connection to the terminal, an elastically deformable tab situated opposite an adjustment screw and receiving the end of the bimetal strip, and an elongated and curved part forming a switching electrode, the apparatus being characterized in that said part conductive has at least a first preferential deformation zone disposed between said connection part and a conductive part carrying said tab receiving the end of the bimetallic strip , said zone allowing deformations around a geometric axis parallel to the large faces of the housing of the apparatus, so that torsional forces occurring in the connection part when the terminal is tightened cannot be transmitted to the receiving tab the end of the
  • the connecting part of the conductive part is fixed or welded at a suitable location on the terminal, which can be of any type and, preferably, this connection part is connected to the rest of the conductive part by a tab offset laterally relative to the rest of the part to allow the bimetallic strip to pass freely, the lateral connection zone thus produced constituting a deformation zone whose axis is preferably parallel or slightly inclined relative to the direction of the bimetallic strip.
  • the free end of the tab supporting the bimetallic strip comes to be placed opposite an adjustment screw capable of being turned in a nut or thread which can, for example, be immobilized in a suitable housing of the housing.
  • connection part made integral with the terminal, having for example a form of platinum, continues, at one of its edges, at another preferential deformation zone, by a tab receiving the adjusting screw and, on another edge, preferably perpendicular to the first, and through of the first preferential deformation zone, by a conductive part dividing, on the one hand, into said tab receiving the end of the bimetallic strip and orienting itself opposite said tab receiving the adjustment screw and, on the other hand, in a suitably curved elongated part forming a switching electrode.
  • the lug receiving the screw is, during assembly, inserted in a part of the housing allowing a blocking of shape in the three directions of the space, while the part extending from the other edge of the plate, is also blocked in the three directions of space, and in particular, preferably, at a bend located near a strand connecting the bend to the terminal connection part in the form of platinum, via the first preferential deformation zone, said bend continuing, on one side, by the tab carrying the bimetal strip and on the other side by the extension intended to form the electrode.
  • the element 8 has a connection part (plate) 9 parallel to the large faces of the housing and intended to be fixed or welded against a tab of the terminal 1.
  • This plate 9 is connected by a bend 10 at right angles to a conductive part. 11 parallel to the opposite face of the terminal 1, this conductive part 11 continuing with an elongated leg obliquely downward, 12, which, after a suitable recess 13, forms a leg end 14 against which can be fixed or welded the lower end of a bimetallic strip 15, and this opposite a nut 16 immobilized in a suitable housing 17 of the housing and receiving an adjusting screw 18.
  • the position of the bimetallic strip can therefore be adjusted by more or less important screwing the adjusting screw 18 so as to move the tab 12 more or less away from the stationary nut 16.
  • the conductive part 11 is continued by a U-shaped bend 19 then, after a return parallel to the conductive part 11, by a doubly bent part in S 20, after which a conductive part 21 forming an elbow of large radius is continued by an elongated part 22 provided with suitable lateral cutouts and forming the switching or guiding arc electrode.
  • the element 8 is manufactured from a sheet, preferably, of copper-plated steel by cutting and stamping, and folding, the bimetallic strip being welded on its end of tab (14) before or after folding of the platinum 9.
  • Terminal 1 advantageously has an offset tab 23, parallel to plate 9 and extending, after an elbow 24, with an axis parallel to that of elbow 10, from a rear face 26 of terminal 1.
  • Terminal 1 is received in a usual housing housing, which has a relief 27 immobilizing and blocking in its plane the terminal part 26 whose lower end abuts on the relief 27.
  • the housing also has a housing receiving the element 8 (conductive part), so as to support it in particular at the bent part 21 and the parts 11, 19.
  • the elbow 10 connecting the plate 9 and the conductive part 11 forms a first preferential deformation zone.
  • An additional preferential deformation zone can be constituted by the bent part 24 connecting the offset tab 23 to the rest of the terminal 1 and, moreover, a notch 25 can advantageously reduce the height of the offset tab 23 at this location. It is therefore understood that the possible deformations undergone by the terminal, when tightening a conductor, hardly communicate with the bimetallic strip 12.
  • the element 108 has a connection part (plate) 109 intended to be mounted against the terminal 101 in order to ensure the connection with said terminal, the plate 109 preferably having stiffening ribs 110 as well as upper notches 111 and lower 112 allowing, in cooperation with a corresponding notch 113 and a return 114 of the terminal 101, to ensure a blocking with electrical connection of the terminal and the plate 109, the latter being able, moreover, to increase the rigidity of the terminal.
  • the connection part (plate) 109 intended to be mounted against the terminal 101 in order to ensure the connection with said terminal, the plate 109 preferably having stiffening ribs 110 as well as upper notches 111 and lower 112 allowing, in cooperation with a corresponding notch 113 and a return 114 of the terminal 101, to ensure a blocking with electrical connection of the terminal and the plate 109, the latter being able, moreover, to increase the rigidity of the terminal.
  • the tab 115 offset relative to the plane of the plate by a double elbow and having a part 116 of reduced width due to the presence of the notch 112, this part 116 being cut in a square to be connected on the one hand to the plate and on the other hand to the tab 115. It is understood that at the level of this part 116, a deformation can occur preferable to two degrees of freedom, in particular around a geometric axis parallel to the lower edge of the plate, that is to say perpendicular to the large faces of the housing of the device, and an axis perpendicular to the previous one.
  • the lower part of the tab 115 has, by stamping, a bead 117 with a tapping 118 capable of receiving a screw or adjusting needle 119.
  • One of the two lateral edges of the plate 109 that is to say one of the two edges perpendicular to the base edge which carries the extension forming the second preferential deformation zone 116, continues, after a bend, by a part 120 perpendicular to the plane of the plate 109, an arch-shaped cutout 121 dividing, at the connection on the plate, the part 120 into two parallel branches 122. It is understood that at this location, the weakening thus produced forms a preferential deformation zone around the elbow connecting the plate to the two branches 122, allowing deformation around an axis, this time parallel to the large faces of the apparatus housing and perpendicular to its bottom.
  • the part 120 is bent so as to form a conductive part 123 extending opposite the plate 109 and parallel to it, this part conductor 123 continuing with a leg obliquely elongated downwards, 124, which, after a suitable recess, forms a leg end 125 against which the lower end of a bimetal strip 126 can be fixed or welded, and this opposite the tapping 118.
  • the position of the bimetal strip can therefore be adjusted by more or less significant screwing of the adjusting screw 119 so as to move the tab 124 more or less apart from the stationary tab 115.
  • the conductive part 123 is continued by a U-shaped bend 127 then, after a return parallel to the part 123, by a doubly bent part 128, after which a conductive part 129 forming a large radius bend is continued by an elongated portion 130 provided with suitable lateral cutouts and forming the switching or guiding arc electrode.
  • element 108 (conductive part) is made from a sheet of copper-plated steel, preferably by cutting-stamping, tapping and bending, the bimetallic strip being welded to its end of leg 125 before folding of the plate. , and the screw 119 is introduced and screwed into the internal thread 118.
  • the screw 119 can be pre-adjusted according to a predetermined screwing depth.
  • the plate can then be assembled to terminal 101 preferably by soldering and the whole set up in the housing before closing the cover.
  • the welding takes place above the notch 111, between the plate 109 and a transverse upper tab 131 of the terminal 101, this tab extending laterally by a zone 132 allowing the welding of a conductive braid.
  • the housing has a terminal and element housing having the desired complementary shapes, namely the usual forms for housing the terminal 101, a slot designed to accommodate the tab 115 by preventing its movement in the three directions of space. leaving part 116 free, a stud penetrating into the cutout 121 so as to prevent the movement, along the bending axis of the elbow, of the branches 122 and, preferably, at the elbow 127, the walls preventing movement in the two other directions of space.

Landscapes

  • Thermally Actuated Switches (AREA)
  • Details Of Indoor Wiring (AREA)
  • Control Of Electric Motors In General (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Push-Button Switches (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Claims (14)

  1. Modulares elektrisches Schutz- oder Befehlsgerät, wie Schutzschalter oder Differentialschutzschalter, das in einem Gehäuse modularer Art wenigstens eine aus je einem festen und einem beweglichen Kontakt bestehende Kontakteinheit aufweist, eine Lichtbogenkammer (5) im Bereich der Kontaktzone, einen Bimetallauslöser (15,126) und im Bereich einer der Anschlußklemmen (1; 1o1) des Gehäuses einen aus einem einzigen Stück durch Stanzen und Biegen hergestellten leitenden Teil (8; 1o8) und folgendes aufweist: ein Teil (9; 1o9) zum Anschluß an die Klemme (1; 1o1), eine elastisch verformbare Lasche (12; 124), die gegenüber einer Stellschraube (18; 119) angeordnet ist und das Ende des Bimetalls (15; 126) aufnimmt, und ein längliches und gebogenes Teil (21,22; 129,13o), das als Schaltelektrode dient,
    dadurch gekennzeichnet,
    daß das genannte leitende Teil (8; 108) wenigstens eine erste bevorzugte Verformungszone (1o; 122) bildet, die zwischen dem genannten Anschlußteil (9; 1o9) und einem leitenden Teil (11; 123) liegt, das die Lasche (12; 124) trägt, die das Ende des Bimetalls (15; 126) aufnimmt, wobei die Zone Verformungen um eine zu den großen Flächen des Gerätegehäuses parallel verlaufende geometrische Achse ermöglicht, so daß die Drehkräfte die beim Anziehen der Klemme (1; 1o1) im Anschlußteil (9; 1o9) entstehen, nicht auf die das Ende des Bimetalls (15; 126) aufnehmende Lasche (12; 124) übertragen werden.
  2. Gerät nach Anspruch 1, dadurch gekennzeichnet, daß das Anschlußteil (9; 1o9) die Form einer Platte aufweist, die an der einen Kante über die erste bevorzugte Verformungszone (1o; 122) durch das genannte leitende Teil (11; 123) fortgesetzt wird, das sich einerseits in die genannte, das Ende des Bimetalls (15; 126) aufnehmende Lasche (12; 124) und andererseits in das genannte längliche Teil (21,22 - 129, 13o) aufteilt.
  3. Gerät nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß das Anschlußteil (9) an einer Lasche (23) eines Teils (26) der Klemme (1) befestigt ist, wobei das Teil (26) der Klemme (1) sich auf eine Erhebung des Gehäuses (27) stützt.
  4. Gerät nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Stellschraube (18) in eine Mutter (16) eingeschraubt ist, die in einer Aufnahme (17) im Gehäuse eingesetzt ist.
  5. Gerät nach einem der Ansprüche 3 und 4, dadurch gekennzeichnet, daß das Anschlußteil (9) parallel zu den großen Flächen des Gehäuses liegt und mit dem Rest des leitenden Teils (8) über eine Biegung verbunden ist, die die erste bevorzugte Verformungszone (1o) bildet, wobei das genannte Anschlußteil (9) an die Lasche (23) geschweißt ist, hierbei befindet sich die Lasche (23) seitlich der Klemme (1) und ist mit dem Rest der Klemme über eine Biegung (24) verbunden.
  6. Gerät nach Anspruch 5, dadurch gekennzeichnet, daß die Lasche (23) der Klemme (1) eine Aussparung (25) aufweist.
  7. Gerät nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß das Anschlußteil (109) die Form einer Platte aufweist, die an einer Kante durch eine Lasche (115) fortgesetzt wird, welche die Stellschraube (119) aufnimmt, und an einer anderen Kante, im rechten Winkel zur ersten, über die erste bevorzugte Verformungszone (122) durch das genannte leitende Teil (123).
  8. Gerät nach Anspruch 7, dadurch gekennzeichnet, daß die die Stellschraube (119) aufnehmende Lasche (115) mit einer Gewindebohrung (118) versehen ist und ein winkelförmiges Teil (116) geringer Breite aufweist, das eine zweite bevorzugte Verformungszone bildet, welche Verformungen um eine geometrische, im rechten Winkel zu den großen Flächen des Gerätegehäuses verlaufende Achse sowie um eine andere Achse, die im rechten Winkel zur vorherigen verläuft, ermöglicht.
  9. Gerät nach einem der Ansprüche 2 bis 8, dadurch gekennzeichnet, daß die erste bevorzugte Verformungszone (122) zwischen dem leitenden Teil (123), welches die das Ende des Bimetalls (126) aufnehmende Lasche (124) trägt, und dem Anschlußteil (109) vorgesehen ist, mit einem Teil (12o), welches mit einer Aussparung (121) versehen ist, die zwei Schenkel (122) geringer Breite abgrenzt.
  10. Gerät nach einem der Ansprüche 8 und 9, dadurch gekennzeichnet, daß bei der Montage die Lasche (115) zur Aufnahme der Stellachse (119) in ein Gehäuseteil eingesetzt wird, so daß dies deutlich eine Festsetzung der genannten Lasche (115) in den drei räumlichen Richtungen ermöglicht, wobei das Teil mit geringer Breite (116), das die zweite bevorzugte Verformungszone bildet, frei ist, und das leitende Teil (123), das die das Ende des Bimetalls (126) aufnehmende Lasche (124) trägt, ebenfalls in den drei räumlichen Richtungen festgesetzt ist.
  11. Gerät nach den kombinierten Ansprüchen 9 und 1o, dadurch gekennzeichnet, daß in einer der räumlichen Richtungen die Festsetzung durch einen Zapfen erfolgt, der in die Aussparung (121) hineinragt.
  12. Gerät nach einem der Ansprüche 9 bis 11, dadurch gekennzeichnet, daß das leitende Teil (123), das die das Ende des Bimetalls (126) aufnehmende Lasche (124) trägt, sich gegenüber dem Anschlußteil (109) und parallel zu diesem befindet und mit diesem durch die erste bevorzugte Verformungszone (122) mit Aussparung verbunden ist, wobei die Verformungszone selbst jeweils mit zwei parallelen Kanten verbunden ist, wovon eine zum Anschlußteil (109) und die andere zum leitenden Teil (123) gehört, und letzteres nach einer Biegung (127) durch das genannte längliche und gebogene Teil (129,13o), das die Schaltelektrode (130) bildet, fortgesetzt wird.
  13. Gerät nach einem der Ansprüche 8 bis 12 dadurch gekennzeichnet, daß das leitende Teil (1o8) durch Stanzen und Biegen eines Blechstreifens hergestellt wird, wobei die Stellschraube (119) in eine Voreinstellung des Bimetalls (126) gebracht wird.
  14. Gerät nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß das Anschlußteil (109) Aussparungen (111,112) aufweist, die zu Aussparungen (113, 114) der entsprechenden Klemme (1o1) passen, um es mit dieser Klemme zusammenzusetzen und an sie zu verschweißen.
EP89400013A 1988-04-21 1989-01-03 Modulares elektrisches Schutz- oder Befehlsgerät Expired - Lifetime EP0338868B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89400013T ATE91821T1 (de) 1988-04-21 1989-01-03 Modulares elektrisches schutz- oder befehlsgeraet.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8805277A FR2630580B1 (fr) 1988-04-21 1988-04-21 Appareil modulaire de protection ou de commande electrique
FR8805277 1988-04-21

Publications (2)

Publication Number Publication Date
EP0338868A1 EP0338868A1 (de) 1989-10-25
EP0338868B1 true EP0338868B1 (de) 1993-07-21

Family

ID=9365523

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89400013A Expired - Lifetime EP0338868B1 (de) 1988-04-21 1989-01-03 Modulares elektrisches Schutz- oder Befehlsgerät

Country Status (4)

Country Link
EP (1) EP0338868B1 (de)
AT (1) ATE91821T1 (de)
DE (1) DE68907633T2 (de)
FR (1) FR2630580B1 (de)

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Publication number Priority date Publication date Assignee Title
FR2722331B1 (fr) * 1994-07-08 1996-09-27 Legrand Sa Sous-ensemble thermique pour disjoncteur
FR2735614B1 (fr) * 1995-06-19 1997-07-18 Schneider Electric Sa Dispositif de reglage du declencheur thermique d'un disjoncteur
ATE368935T1 (de) 2001-01-31 2007-08-15 Siemens Ag Justiervorrichtung für einen thermischen auslöser
DE50206909D1 (de) 2001-07-02 2006-06-29 Siemens Ag Justiervorrichtung fuer einen thermischen ausloeser
AT504607A1 (de) * 2004-04-19 2008-06-15 Moeller Gebaeudeautomation Kg Schaltgerät
US7041921B2 (en) 2004-04-19 2006-05-09 Moeller Gebäudeautomation KG Switching device
DE102005020215A1 (de) * 2005-04-30 2006-11-09 Abb Patent Gmbh Thermischer Auslöser
ITMI20080335U1 (it) * 2008-10-15 2010-04-16 Abb Spa Interruttore di bassa tensione.
CN103441049B (zh) * 2013-09-06 2015-07-22 浙江大华电气有限公司 一种加强自励磁场强度的引弧结构
CN205789807U (zh) * 2016-06-27 2016-12-07 施耐德电器工业公司 一种热脱扣补偿结构
CN107833805B (zh) * 2017-10-26 2024-09-20 上海良信电器股份有限公司 一种断路器热脱扣系统
CN107833810A (zh) * 2017-10-26 2018-03-23 上海良信电器股份有限公司 断路器用引弧角
CN109599305B (zh) * 2018-11-14 2020-05-19 东莞基业电气设备有限公司 一种适合调试延时脱扣的断路器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7828060U1 (de) * 1978-09-21 1979-11-29 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Bimetallauslöser
EP0050719B1 (de) * 1980-08-21 1985-11-13 Heinrich Kopp GmbH & Co. KG Kontakt- und Löscheinrichtung für elektrische Kleinselbstschalter
WO1984001663A1 (en) * 1982-10-11 1984-04-26 Kopp Gmbh & Co Kg Heinrich Electric safety switch for apparatus
DE3514390A1 (de) * 1985-04-20 1986-10-23 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Leitungsschutzschalter

Also Published As

Publication number Publication date
EP0338868A1 (de) 1989-10-25
FR2630580B1 (fr) 1990-08-03
DE68907633T2 (de) 1994-03-10
ATE91821T1 (de) 1993-08-15
FR2630580A1 (fr) 1989-10-27
DE68907633D1 (de) 1993-08-26

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