EP0042778A1 - Einpol- und Nulleiter-Kleinschalter - Google Patents

Einpol- und Nulleiter-Kleinschalter Download PDF

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Publication number
EP0042778A1
EP0042778A1 EP19810400914 EP81400914A EP0042778A1 EP 0042778 A1 EP0042778 A1 EP 0042778A1 EP 19810400914 EP19810400914 EP 19810400914 EP 81400914 A EP81400914 A EP 81400914A EP 0042778 A1 EP0042778 A1 EP 0042778A1
Authority
EP
European Patent Office
Prior art keywords
contacts
neutral
phase
contact
housing
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.)
Granted
Application number
EP19810400914
Other languages
English (en)
French (fr)
Other versions
EP0042778B1 (de
Inventor
Bernard Bouvet
Jean Izoard
Michel Lazareth
François Reynaud
Gérard Terrier
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 EP0042778A1 publication Critical patent/EP0042778A1/de
Application granted granted Critical
Publication of EP0042778B1 publication Critical patent/EP0042778B1/de
Expired legal-status Critical Current

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Classifications

    • 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
    • H01H73/04—Contacts
    • 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
    • H01H71/002—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00 with provision for switching the neutral conductor
    • 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

Definitions

  • a circuit breaker of the type mentioned is used in terminal distribution installations, in particular in buildings to protect an electrical circuit, and in the open position completely isolate this circuit by cutting both the phase conductor and the neutral conductor.
  • the circuit breaker can be produced by the association of two poles, which are both protected or one of which, the phase pole, is protected, and the other, the neutral pole, is cut. In both cases the number of mobile units is doubled and the size and cost of installation are significantly increased.
  • the present invention starts from the observation that the cut-off device for the neutral conductor can be simplified, the circuit protection being ensured by the phase cut-off device.
  • the simplification results in particular from the use of the control mechanism of the phase cut-off device for the actuation of the neutral cut-off device, and from the incorporation of the phase and neutral devices in the same housing, the width or pitch is equivalent to that of a single pole.
  • a circuit breaker of reduced width is already known (French patent? 2,167,302), which comprises two pairs of contacts, isolated from one another for use as a bipolar switch or as a circuit breaker with a protected pole with neutral cut .
  • the pairs of contacts and the associated interrupting chambers are absolutely symmetrical and the contacts open and close simultaneously. When used for a phase and neutral cut-off this device is not optimized.
  • the present invention aims to remedy the aforementioned drawbacks and the circuit breaker according to the invention is characterized in that said partition is offset laterally relative to said median plane in the areas of extension of the arcs drawn between said contacts to confine with large faces of said housing a first and a second housing chambers respectively of the phase contacts and the neutral contacts, the volume of the first chamber being due to the lateral offset of the partition larger than that of the second chamber.
  • control mechanism and the trigger of the protected pole occupy the entire width of the box, only the lower part being subdivided into two chambers to receive the neutral and phase contacts.
  • the movable phase and neutral contacts are respectively fixed to the ends mites of phase and neutral contact arms made of insulating material and rotatably mounted on a common axis.
  • the delay in opening the neutral contacts is achieved by lengthening the neutral contact arm, inserting additional play between the contact arm and the common control mechanism.
  • the adjustment of the thermal trip device of the circuit breaker is advantageously carried out by an adjustment screw accessible from the outside of the circuit breaker housing, this screw being screwed into a threaded orifice formed in the plastic wall of the housing.
  • the thread in the plastic material avoids a nut and according to an important improvement of the invention, the threaded orifice opens onto the fixing face of the housing, preferably in the area receiving a removable fixing lock. In the assembled position of the lock, the adjustment screw is camouflaged preventing any modification of the adjustment carried out in the factory.
  • Each pair of contacts is associated with a breaking chamber with two electrodes or horns for guiding the arc facing each other.
  • a neck or zone of minimum spacing of the electrodes is provided at a location spaced from the contacts in order to avoid any re-priming on the contacts.
  • the switching of the phase arc on the horn is advantageously delayed compared to that of the arc anchored on the neutral contacts, so as not to prematurely switch off the magnetic trip device and the associated extractor.
  • the two neutral and phase contact arms are mounted on either side of a plate-shaped support of a material molded from an alloy commercially known as Zamak, carrying axes and stops coming from molding. Manufacturing and assembly are thus considerably simplified.
  • a housing 10 made of a mold insulating material, comprises two half-shells 12, 14, assembled by rivets 16.
  • the housing 10 has a generally parallelepiped shape of small width corresponding to a modular system, commercially known as Multi 9 .
  • the housing 10 has a rear face or bottom 18 for attachment to a symmetrical DIN rail and a front face 20 having a passage for a control lever 22.
  • On one of the narrow side faces 24 is arranged a pair of terminals 26 , 28 for supplying the device housed in the housing 10, the opposite face 30 of output carrying a pair of terminals 32, 34, arranged side by side.
  • the width of the housing 10 corresponds to that of a single-pole circuit breaker of the aforementioned modular system and corresponds to two steps of 9 mm, that is to say a width of 18 mm.
  • the opposite terminals 26, 32 belong to a neutral cut-off circuit, housed inside the housing 10, the terminals 28, 34 belonging to a phase cut-off circuit also housed inside the housing 10.
  • An intermediate partition insulator 36 interposed between the half-shells 12, 14, extends substantially parallel to the large lateral faces of the housing 10 and separates the neutral cut-off circuits and the phase cut-off circuits (see FIG. 6).
  • the intermediate partition 36 has marginal parts 38, 40, which extend in the median plane of the housing 10, parallel to the large lateral faces, being interposed respectively between the neutral and phase terminals 26, 28 and 32, 34.
  • the central part 42 of the intermediate partition 36 is offset laterally relative to the median plane of the housing 10 upwards in FIG.
  • the intermediate partition 36 extends over part of the height of the housing 10 and separates the elements specific to the neutral circuit and to the phase circuit, the common elements, in particular the control mechanism and the trigger described below, being housed in a common part above the partition 36.
  • the supply terminal 26 carries a fixed contact 48, capable of cooperating with a movable neutral contact 50 carried by an insulating contact arm 52 , pivotally mounted on an axis 54.
  • the fixed contact 48 is extended by an arcing horn 49 extending inside the chamber 46 opposite an electrode 51 disposed at the rear of the movable contact 50.
  • the electrode 51 is connected on the one hand to the terminal 32 and on the other hand by a braid 56 to the movable contact 50.
  • the neutral circuit constituted by the terminal 26, the fixed contact 48, the movable contact 50, the braid 56, terminal 32, the arc horn 49 and the electrode 51, is arranged in the space delimited between the intermediate partition 36 and the half-shell 12, in particular in the chamber 46.
  • the arc horn 49 and the electrode 51 diverges from a point or neck 53 of minimum spacing, arranged just behind the movable contact 50 open.
  • FigJre 2 more particularly illustrates the phase circuit comprising the power supply terminal 28, a fixed contact 58 connected on the one hand to terminal 28 and extended on the other hand by an arcing horn 60, a movable contact 62 , carried by a contact arm 64 made of an insulating material pivotally mounted on the axis 54.
  • the movable phase contact 62 is connected by a braid 66 to the input of a coil 68 of a magnetic trip device, designated by the general reference 70, the output of the coil 68 being connected by a braid 72 to a bimetallic strip 74, connected to the output terminal 34.
  • an electrode 76 Opposite the horn 60 and behind the movable contact 62 is an electrode 76 , electrically connected to terminal 34.
  • the part of the phase circuit consisting of terminal 28, fixed contact 58, horn 60, electrode 76 and terminal 34, is arranged in the space delimited by the intermediate partition 36 and the half-shell 14, in particular in the chamber 44 forming the arc breaking chamber.
  • the horn 60 and the electrode 76 constitute a convergent, divergent whose neck 77 is offset backwards of the chamber 44, relative to the open position of the movable contact 62, to delay the switching of the arc on the electrode 76 and the switching off of the coil 68.
  • the convergent facilitates the migration of the arc at the start and the neck 77 limits the risks of re-striking on the contacts 58, 62.
  • the permanent current flows through the coil 68 and the bimetallic strip 74 detecting respectively a short-circuit current and a current of overload to cause separation of the contacts 58, 62.
  • the control mechanism housed in the upper part, in FIGS. 2 and 3, of the housing 10 above the intermediate partition 36 is common to the movable phase contact 62 and to the movable neutral contact 50.
  • the axis 54 of articulation of the contact arms 52, 64 is carried by a plate-shaped support 78, pivotally mounted on a fixed axis 80, secured to the half-shells 12, 14 of the housing 10.
  • a spring 86 biases the support 78 in rotation on the axis 80 in the direction of opening of the contacts 48, 50; 58, 62 in the direction of rotation of the needles of a watch in FIG. 2.
  • the support 78 carries a stop 88 capable of cooperating with the ends 90, 91 of the contact arms 52, 64 to drive in rotation towards the position d opening the movable contacts 50, 62.
  • the support 78 cooperates with a drive and locking device comprising an axis 92 capable of struggling in a light 94 in the form of a square formed in the support 78.
  • the axis 92 is formed by the curved end of a rod 96, the opposite end of which is engaged in an orifice 98 in the handle 22, eccentric with respect to the axis of rotation 100.
  • a lock 102 mounted for rotation on a fixed axis 103 , has a stop surface 104 limiting the movement of the axis 92 in the light 94 in the locked position, shown in the figures.
  • the lock 102 cooperates with a latch 106, carried by a latch lever 108, pivotally mounted on a fixed axis 110.
  • the latch lever 108 can be moved to a release position of the latch 102 by pivoting during a deflection of the bimetallic strip 74 or during the attraction by the coil 68 of the core 112 of the magnetic trigger 70.
  • a spiral spring 114 urges the hooking lever 108 and the latch 102 in the locking position shown in the figures.
  • the lever 22 is biased in the open position of the contacts by a spring 116.
  • the support 78 is a molded part, for example made of an alloy commercially known as Zamak, and the pins 54, 80 and stops 88, coming from molding, protrude on either side of the plate, which facilitates mounting.
  • the coil 68 is housed in the common space and occupies the entire width of the housing 10 (see FIG. 7).
  • the core 112 of the coil 68 carries an extractor 118 cooperating with the contact arms 52, 64 to move the contacts 50, 62 to the open position when a short circuit is detected.
  • the neutral contact arm 52 is extended downward in FIG. 3, so as to shift the movable phase 62 and neutral 50 contacts in height (see FIG. 8). This height offset causes a different spacing between the stop 88 of the support 78 and the ends 90, 91 of the contact arms 52, 64, the stop 88 coming during a pivoting in a clockwise direction of the support 78 strike the phase contact arm 64 first to move the latter to the open position.
  • the neutral contact arm 52 is moved with delay when the stop 88 is impacted on the end 90 of the contact arm 52.
  • the extension according to the invention of the neutral contact arm 52 allows the use of the same stop 88 for controlling the opening and a common axis 54 of articulation of the contact arms 52, 64.
  • the pivoting of the support 78 causes the opening of the contacts of phase 58, 62 before that of the neutral contacts 48, 50 and conversely the closing of the neutral contacts 48, 50 before that of the phase contacts 58, 62.
  • the extractor 118 acts simultaneously on the two movable contacts 50, 62 by immediately creating a double break.
  • the movable contacts 50, 62 are fixed to the external faces respectively of the contact arms 52 and 64, in order to maximize the insulation spacing of these contacts.
  • the judicious arrangement according to the invention has made it possible to house the neutral cut-off device and the phase cut-off device in a housing of standard profile and width, corresponding to those of a single-pole circuit breaker. Substitution in an existing installation of a single-pole circuit breaker is therefore facilitated.
  • the adjustment point of the bimetallic strip 74 is transferred to the face 18 for fixing the housing 10.
  • the adjustment of the bimetallic strip 74 is carried out in a manner well known per se. deformation of its support 120 by screwing or unscrewing an adjustment screw 122 engaged in a threaded orifice formed in the wall of plastic material of the housing 10 and opening onto the fixing face 18.
  • This arrangement has the double advantage of freeing the face narrow lateral 30 for the arrangement of the connection terminals 32, 34, and the transfer of the adjustment point to a face which is not accessible in the fixed position of the housing 10.
  • the tapped orifice advantageously opens into a housing 126 for receiving a locking bolt fixing, not shown, capable of being put in place after assembly of the half-shells 12, 14 and adjustment of the device.
  • the lock engaged in the housing 126 closes the adjustment point and prevents any subsequent adjustment. This arrangement saves the sealing plug and the fixing nut of the adjusting screw 122.
  • the neutral supply terminal 26 is shifted downward relative to the adjacent phase terminal 28.
  • This height offset allows connection to combs or rectilinear bars respectively of phase and neutral (not shown) connecting a plurality of modules joined by their lateral face and fixed on the same support rail.
  • the offset in height of the terminals 26, 28 corresponds to that of the movable contacts 50, 62, which facilitates the judicious arrangement of the conductors.
  • the output terminals 32, 34, intended to receive output cables, are preferably arranged at the same level, but it would not be departing from the scope of the invention to also shift these output terminals.

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  • Breakers (AREA)
EP19810400914 1980-06-19 1981-06-10 Einpol- und Nulleiter-Kleinschalter Expired EP0042778B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8013681A FR2485254A1 (fr) 1980-06-19 1980-06-19 Disjoncteur miniature unipolaire et neutre
FR8013681 1980-06-19

Publications (2)

Publication Number Publication Date
EP0042778A1 true EP0042778A1 (de) 1981-12-30
EP0042778B1 EP0042778B1 (de) 1984-05-30

Family

ID=9243297

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19810400914 Expired EP0042778B1 (de) 1980-06-19 1981-06-10 Einpol- und Nulleiter-Kleinschalter

Country Status (8)

Country Link
EP (1) EP0042778B1 (de)
JP (1) JPS5730234A (de)
DE (1) DE3163856D1 (de)
ES (1) ES502931A0 (de)
FR (1) FR2485254A1 (de)
MA (1) MA19181A1 (de)
PT (1) PT73209B (de)
YU (1) YU44065B (de)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2574218A1 (fr) * 1984-12-03 1986-06-06 Merlin Gerin Effecteur pour une installation modulaire de distribution domestique et de gestion d'energie electrique
FR2578093A1 (fr) * 1985-02-27 1986-08-29 Merlin Gerin Disjoncteur differentiel unipolaire et neutre
FR2582857A1 (fr) * 1985-05-29 1986-12-05 Merlin Gerin Disjoncteur unipolaire et neutre a effet shunt
EP0255992A2 (de) * 1986-08-04 1988-02-17 BASSANI TICINO S.p.A. Doppelpoliger Schalter für elektrische Einrichtungen im zivilen Bereich, mit einer Lichtbogenkommutierungseinrichtung
EP0403358A1 (de) * 1989-06-16 1990-12-19 Hager Electro S.A. Null- und Phasenschalter
EP0505292A1 (de) * 1991-03-20 1992-09-23 Schneider Electric Sa Phasen- und Nulleiter-Leitungsschutzschalter mit reduziertem Platzbedarf
FR2689308A1 (fr) * 1992-03-31 1993-10-01 Merlin Gerin Mécanisme de commande à palonnier pour disjoncteur électrique à phase et neutre.
EP0599800A1 (de) * 1992-11-25 1994-06-01 Felten & Guilleaume Austria Ag Leitungsschutzschalter
DE4307811A1 (de) * 1993-03-12 1994-09-15 Abb Patent Gmbh Elektrisches Schaltgerät
EP1473750A1 (de) * 2003-04-30 2004-11-03 Siemens Aktiengesellschaft elektromechanisches Schaltgerät
WO2006074883A1 (en) * 2005-01-17 2006-07-20 Vimar S.P.A. Differential thermomagnetic switch
EP2365510A1 (de) 2010-03-01 2011-09-14 Schneider Electric Industries SAS Leistungsschalter
CN103383907A (zh) * 2013-05-10 2013-11-06 长城电器集团有限公司 一种塑壳漏电断路器的隔离模块

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59133589A (ja) * 1983-01-20 1984-07-31 三洋電機株式会社 マトリツクスパネル表示装置に於ける拡大表示方法
JPS61114682A (ja) * 1984-11-09 1986-06-02 Matsushita Electric Ind Co Ltd 画像処理回路
JPS61201256U (de) * 1985-06-06 1986-12-17
FR2600210B1 (fr) * 1986-06-17 1993-04-16 Telemecanique Electrique Disjoncteur a deux circuits de commutation dont l'un est protege
WO1988006801A1 (en) * 1987-02-24 1988-09-07 Vsesojuzny Nauchno-Issledovatelsky I Proektno-Kons Current-limiting circuit breaker
JP2724027B2 (ja) * 1990-05-28 1998-03-09 松下電工株式会社 回路遮断器
JP3405264B2 (ja) * 1999-04-12 2003-05-12 松下電工株式会社 回路遮断器
CN101916695B (zh) * 2010-08-06 2012-08-29 上海良信电器股份有限公司 小型断路器双层电弧隔离装置
EP3277127B1 (de) * 2015-04-02 2019-11-20 Paul Hettich GmbH & Co. KG Seitenzarge eines schubkastens

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1276936A (fr) * 1959-12-28 1961-11-24 Busch Jaeger Duerener Metall Interrupteur-disjoncteur d'installation à socle
GB933273A (en) * 1959-12-30 1963-08-08 Walsall Conduits Ltd Improvements relating to electric circuit breakers
DE1286188B (de) * 1965-09-09 1969-01-02 Licentia Gmbh Installationsselbstschalter mit Hilfskontakt
FR2167302A1 (de) * 1972-01-12 1973-08-24 Landis & Gyr Ag
FR2226745A2 (de) * 1973-04-19 1974-11-15 Legrand Sa
FR2280185A1 (fr) * 1974-07-25 1976-02-20 Licentia Gmbh Disjoncteur de protection de ligne a limitation de courant, avec tension d'arc a front raide
FR2350680A1 (fr) * 1976-05-04 1977-12-02 Merlin Gerin Disjoncteur electrique basse tension a platine de support

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1286186B (de) * 1963-10-28 1969-01-02 Licentia Gmbh Installationsselbstschalter
US3949336A (en) * 1975-01-08 1976-04-06 Square D Company Sequential resetting circuit interrupter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1276936A (fr) * 1959-12-28 1961-11-24 Busch Jaeger Duerener Metall Interrupteur-disjoncteur d'installation à socle
GB933273A (en) * 1959-12-30 1963-08-08 Walsall Conduits Ltd Improvements relating to electric circuit breakers
DE1286188B (de) * 1965-09-09 1969-01-02 Licentia Gmbh Installationsselbstschalter mit Hilfskontakt
FR2167302A1 (de) * 1972-01-12 1973-08-24 Landis & Gyr Ag
FR2226745A2 (de) * 1973-04-19 1974-11-15 Legrand Sa
FR2280185A1 (fr) * 1974-07-25 1976-02-20 Licentia Gmbh Disjoncteur de protection de ligne a limitation de courant, avec tension d'arc a front raide
FR2350680A1 (fr) * 1976-05-04 1977-12-02 Merlin Gerin Disjoncteur electrique basse tension a platine de support

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2574218A1 (fr) * 1984-12-03 1986-06-06 Merlin Gerin Effecteur pour une installation modulaire de distribution domestique et de gestion d'energie electrique
FR2578093A1 (fr) * 1985-02-27 1986-08-29 Merlin Gerin Disjoncteur differentiel unipolaire et neutre
EP0196241A1 (de) * 1985-02-27 1986-10-01 Merlin Gerin Einpol- und Nulleiter-Differentialschutzschalter
FR2582857A1 (fr) * 1985-05-29 1986-12-05 Merlin Gerin Disjoncteur unipolaire et neutre a effet shunt
EP0205369A1 (de) * 1985-05-29 1986-12-17 Merlin Gerin Niederspannungslastschalter mit Shunt-Effekt
US4695913A (en) * 1985-05-29 1987-09-22 Merlin Gerin Shunt effect low voltage circuit breaker
EP0255992A2 (de) * 1986-08-04 1988-02-17 BASSANI TICINO S.p.A. Doppelpoliger Schalter für elektrische Einrichtungen im zivilen Bereich, mit einer Lichtbogenkommutierungseinrichtung
EP0255992A3 (en) * 1986-08-04 1988-09-21 Bassani Ticino S.P.A. A double-pole circuit breaker for civil range electric equipment, incorporating an arc change-over device
EP0403358A1 (de) * 1989-06-16 1990-12-19 Hager Electro S.A. Null- und Phasenschalter
FR2648614A1 (fr) * 1989-06-16 1990-12-21 Hager Electro Disjoncteur phase et neutre
EP0505292A1 (de) * 1991-03-20 1992-09-23 Schneider Electric Sa Phasen- und Nulleiter-Leitungsschutzschalter mit reduziertem Platzbedarf
FR2674369A1 (fr) * 1991-03-20 1992-09-25 Merlin Gerin Disjoncteur electrique de phase et neutre a encombrement reduit.
FR2689308A1 (fr) * 1992-03-31 1993-10-01 Merlin Gerin Mécanisme de commande à palonnier pour disjoncteur électrique à phase et neutre.
EP0564379A1 (de) * 1992-03-31 1993-10-06 Schneider Electric Sa Schwenkhebelbetätigungsmechanismus für Schutzschalter mit Phasen- und Neutralleiter
EP0599800A1 (de) * 1992-11-25 1994-06-01 Felten & Guilleaume Austria Ag Leitungsschutzschalter
AU672641B2 (en) * 1992-11-25 1996-10-10 Felten & Guilleaume Austria Ag Automatic cutout with a thermally and magnetically protected outer conductor pole and an unprotected neutral conductor pole
DE4307811A1 (de) * 1993-03-12 1994-09-15 Abb Patent Gmbh Elektrisches Schaltgerät
EP1473750A1 (de) * 2003-04-30 2004-11-03 Siemens Aktiengesellschaft elektromechanisches Schaltgerät
WO2004097878A1 (de) * 2003-04-30 2004-11-11 Siemens Aktiengesellschaft Elektromechanisches schaltgerät
CN100361254C (zh) * 2003-04-30 2008-01-09 西门子公司 机电式开关设备
WO2006074883A1 (en) * 2005-01-17 2006-07-20 Vimar S.P.A. Differential thermomagnetic switch
CN101128899B (zh) * 2005-01-17 2010-05-19 维马股份公司 差动热磁开关
EP2365510A1 (de) 2010-03-01 2011-09-14 Schneider Electric Industries SAS Leistungsschalter
CN103383907A (zh) * 2013-05-10 2013-11-06 长城电器集团有限公司 一种塑壳漏电断路器的隔离模块
CN103383907B (zh) * 2013-05-10 2015-07-08 长城电器集团有限公司 一种塑壳漏电断路器的隔离模块

Also Published As

Publication number Publication date
ES8203528A1 (es) 1982-04-01
ES502931A0 (es) 1982-04-01
EP0042778B1 (de) 1984-05-30
PT73209A (fr) 1981-07-01
FR2485254B1 (de) 1982-09-17
DE3163856D1 (en) 1984-07-05
YU44065B (en) 1990-02-28
JPS5730234A (en) 1982-02-18
FR2485254A1 (fr) 1981-12-24
JPS641892B2 (de) 1989-01-13
MA19181A1 (fr) 1981-12-31
PT73209B (fr) 1982-07-06
YU152781A (en) 1983-06-30

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