EP1523020A1 - Schaltvorrichtung mit einfach unterbrechendem Drehkontakt - Google Patents
Schaltvorrichtung mit einfach unterbrechendem Drehkontakt Download PDFInfo
- Publication number
- EP1523020A1 EP1523020A1 EP04024128A EP04024128A EP1523020A1 EP 1523020 A1 EP1523020 A1 EP 1523020A1 EP 04024128 A EP04024128 A EP 04024128A EP 04024128 A EP04024128 A EP 04024128A EP 1523020 A1 EP1523020 A1 EP 1523020A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- switching device
- lever
- switching
- chamber
- 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
Links
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
- H01H1/54—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
-
- 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
- H01H1/5822—Flexible connections between movable contact and terminal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/20—Bridging contacts
- H01H1/2041—Rotating bridge
- H01H1/2058—Rotating bridge being assembled in a cassette, which can be placed as a complete unit into a circuit breaker
-
- 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
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H2009/305—Means for extinguishing or preventing arc between current-carrying parts including means for screening for arc gases as protection of mechanism against hot arc gases or for keeping arc gases in the arc chamber
-
- 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
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H9/342—Venting arrangements for arc chutes
Definitions
- the invention relates to a switching device with easy interrupting rotary contact in particular for a multi-pole low-voltage switch-disconnector according to the preamble of Main claim.
- a generic switching device is known from WO03-050835 A1. It is about around a multi-pole low-voltage switch-disconnector with an insulating material housing, in the two chambers are formed, of which a first chamber as a quenching chamber and a second chamber of comparable volume acts as a connection chamber.
- An easy one interrupting rotary contact is movable in a camp, the rotary contact as two-armed Is formed lever whose first lever arm carries a contact piece, which with a Fixed contact on a first power supply rail in switching contact comes.
- the second lever arm of the rotary contact is connected to a flexible conductor, which is in conductive connection with a second power supply rail is.
- Switching devices of the type described have the disadvantage that the contact force of the springs developed contact forces are not always sufficient secure contact of the contact pieces especially at high currents to effect.
- connection chamber an electromagnetically acting Contact force amplifying means is arranged, which the second contact arm including the attachment point of the flexible conductor is closely adjacent, preferably the second contact and the attachment point of the flexible conductor overlaps.
- the the switching device flowing current generates a magnetic field, which is from the magnetizable Material existing contact force amplifying agent is compressed in such a way, so that an attractive effect is exerted on the second lever arm, whereby the contact force between Fixed and moving contact is increased. An undesirable contact separation, in particular at increased currents is counteracted.
- the contact force reinforcing agent is preferably formed as a trough or U-shaped yoke.
- connection chamber allows the installation of the invention Magnet body and the mobility with large Winkelweg the second lever arm of the contact lever.
- connection chamber In the large-area connection chamber is sufficient space for the magnetic body, bringing a Simplification of installation is achieved.
- the arrangement according to the invention has the advantage that the magnetic field used far from the arc quenching device is effective and the magnetic field is good is shielded from this. There is no influence on the arc quenching.
- the arrangement according to the invention on the second lever arm the contact lever, the torque of the power amplification can be made large.
- the second lever arm there is no particular restriction on location of the arrangement or Length of the lever arm.
- the details of the switching device - without limiting the claimed subject matter thereto - may consist of the following:
- the switching device is in particular for a multi-pole switch disconnector with insulating material housing and includes a simple interrupting rotary contact, with a, each pole associated switching drive, which in a bearing in the insulating housing about an axis perpendicular to the longitudinal extent of the rotary contact is rotatably mounted.
- the actual switch consists of a fixed, with a busbar connected contact piece, a stored in a shift shaft, two-armed, not necessarily symmetrical lever arm with a contact piece, which in Switching contact comes with a fixed contact piece.
- the contact lever may be formed asymmetrically with respect to the lever arms, wherein the second lever arm to attack the electromagnetic contact force gain may be longer as the first lever arm.
- Two trained as tension springs contact springs are based behind a nose on the contact lever and practice each - in a known manner - a directed in closing movement torque on the contact.
- the contact springs have their support in the switching shaft.
- the contact springs are in pairs on both sides of the contact lever shape and Power exercised symmetrical.
- the support member of each contact pressure spring is as formed to the shift shaft parallel-lying web and otherwise are the contact pressure springs formed in pairs symmetrically on both sides of the web.
- the switching shaft is connected to a drive device in combination, which includes a switching mechanism and a Hand actuator has - see schematically in FIG. 2.
- a drive device in combination, which includes a switching mechanism and a Hand actuator has - see schematically in FIG. 2.
- the switch lock with triggers in connections for example, overcurrent release or an undervoltage release can be called.
- the contact force reinforcing means is as a trog or U-shaped magnetizable piece of material educated. It according to one embodiment is mounted in the upper region of the connection chamber. The position in the upper area is not the only possible, as this of the arrangement the switching contacts is determined. A reversal of the situation depending on the reversal of the Rotary movement of the contact and the change in the position of the switching contacts in the switch contact space is also an inventive arrangement.
- the piece of material partially overlaps or entirely with its trough side surfaces, the second contact arm in the connection chamber including the attachment point of the flexible conductor.
- the magnet piece be formed so long that it still overlaps a portion of the flexible conductor.
- the contact lever is substantially rotationally symmetrical about 180 °. At the contact lever are arranged between its pivot point and the Hebelarmenden driving surfaces, the can be acted upon by the drive of the switching device. In a simple design can the axle receiving bore of the contact lever be a normal circular bore.
- an axle receiving bore in the form of a slot - instead of a likewise possible simple bore - formed.
- the longitudinal extent of the Langloch is parallel to a circle with a center that is approximately in the point of contact of the moving contact piece with the fixed contact piece falls.
- the axial displacement in the Slot can have an amount of about 300 microns.
- the opening movement is supported by a forced Displacement of the lever arm with respect to the driving surfaces on the contact lever.
- the lever arm extends in the direction of a greater distance from the contact pieces.
- a material in the quenching chamber in the vicinity of the opening distance of the contact a material can be arranged which releases arc-quenching gas.
- materials are made of plastic, are added to the admixtures, when heated by eliminate the arc gases.
- the material may be in the form of at least one plate-shaped Insert be introduced positively on both sides of the opening section.
- a low-voltage switch-disconnector is shown.
- the Figures show an example of a switching device with a Isolierstoffgeophuse 2.
- the insulating material has a rotatable in a bearing about a fixed transverse axis shift shaft 90, wherein the transverse axis is perpendicular to the longitudinal direction of each pole.
- the pole includes one fixed contact 9 'connected to a first power connection rail 20'
- the contact lever 80 is rotationally symmetrical about 180 ° and has two opposite ones Lever arms 81, 82 which extend along the longitudinal axis of the pole and the Steering shaft 90 penetrate.
- the movable contact piece 9 "on the first lever arm 81 of the contact lever 80 occurs with him opposite fixed contact piece 9 'in switching contact.
- a (schematically drawn) flexible conductor (pigtail) 22 firmly connected.
- the pigtail 22 conducts to the second power connection rail 20 "and has there her second attachment point 22 "(solder joint).
- An essential feature of the invention is the formation of two chambers in Isolierstoffgeophuse.
- the first chamber quenching chamber 40
- the first lever arm 81 moves
- the second chamber here referred to in the text as a connection chamber 50
- the connection chamber 50 accommodates the movement of the second lever arm inclusive the attached to him flexible conductor 22.
- the magnetic body 30 arranged as the electromagnetically acting contact force amplifying means serves.
- a package of sheets extinguishing device 42 may in the Extinguishing chamber 40 in the vicinity of the opening distance of the contact an arc extinguishing Material arranged.
- This material is intended to release arc-quenching gases.
- Such Materials are known in the art. They are usually made of plastic, whose Additions when heated by the arc precipitate gases.
- the material can be in Shape at least one plate-shaped insert on both sides of the opening path (way of the contact piece 9 ") in the insulating material housing can be positively inserted in the present embodiment is relatively short, supports the gas-releasing Material the extinction of an arc.
- the material can be modular in the form of two platelets be formed, which can be inserted in guide grooves on the housing inner wall.
- the connecting rails 20 'and 20 can be seen.
- the connecting rails are preferably in the device housing by injection molding embedded embedded.
- an insert body (Rivet) made of ferromagnetic material is inserted. Through the hole is the current path spread apart before the fixed contact and the ferromagnetic rivet changes the structure the magnetic field in the immediate vicinity of the switch contact. The movement of a Forming arc promoted towards the extinguishing device or in this.
- the magnetic body 30 is, for example, magnetizable steel. He is in the upper Area of the connection chamber 50 via screws 38 passing through mounting holes 39 grab, fastened.
- the magnetic body has the shape of a downwardly open magnetic yoke. In which in the bottom of the magnetic yoke serving as a mounting surface 31 (trough bottom) transverse leg lies. At the bottom of the trough are downwardly directed trough side surfaces 32 right and left educated.
- the trough bottom opens trapezoidal in the area directed to the contact lever, because there he overlaps the pigtail, which occupies a greater width than the second contact arm.
- the narrow side of the trapezoid lies on the contact lever side and the broad side of the trapezoid lies contact lever away. In the remote from the contact lever area of the trough bottom is rectangular.
- the trough side surfaces overlap the second lever arm and the attachment point (Solder joint) 22 "of the flexible conductor in the closed position of the switching arrangement Magnetic yoke is preferably formed as large as possible to the largest possible to achieve magnetic flux. This can be achieved simply because the spatial Possibilities of the connection chamber are well exploitable.
- the trough side surfaces 32 can also overlap a large part of the flexible conductor. In the region of the overlap with the second contact arm, they have a first region / in which the side flanks 32a widen in the direction of the pigtail 22. 3. The center of the area / corresponds approximately to the middle of the position of the attachment point 22 "of the flexible conductor on the lever arm 81. The area / the trough side surfaces 32 forms a rising side flank 32a and leaves This region II - here referred to as the back flank 32b - has approximately the same length as the largest length of the side flank 32a The region II engages over a portion of the free pigtail and acts as a shield between the magnetic fields of the pigtails of adjacent poles.
- the trough bottom 31 of the magnetic body is extended in the direction of the power supply rail by a region III - here referred to as extension region 36. At the area III there are no side flanks.
- the extension area has the effect that the attractive force of the magnetic yoke can also be effective on the pigtail.
- the contacts work off and the stroke changes. This also changes the position of the second switching arm in the magnetic body and the effective magnetic force amplification depending on the current lift.
- Shape (length, Oblique formation) and position of the side edges 32a are preferably chosen so that over the life of the switching device, the magnetic force amplification increases to at possible end of life to reach the maximum possible value.
- the contact lever 80 is shown in FIGS. 5 and 6. He is 180 ° rotationally symmetrical about his Rotary axis formed. On him are between his fulcrum 7 and the Hebelarmenden Mit scenic lake 86, 87 arranged by the drive of the switching device (switching shaft segments 92, 93) are acted upon.
- an axle receiving bore 120 is formed in the form of a slot.
- the diameter D has the smallest possible tolerance.
- the longitudinal axis of the slot lies on a circle with the center M, so that the angle W is 90 °.
- the longitudinal axis of the slot 120 is greater than the transverse axis D of the slot by an amount E of 300 ⁇ m +/- 50 ⁇ m.
- the lever arm relationship is shown schematically in FIG. 6 drawn.
- the contact lever When closing the contact after the first contact the slot is applied to the axis of the switching shaft segment 92,93; the contact lever is off-center. During the opening movement of the shift shaft segment, this strikes the driver surface 87 on the off-center contact lever and initiates a force action in the welding zone at M until the shift shaft segment strikes the opposite stop and lifts the contact. It is an axial clearance E possible, which causes the change in the lever arm relationship.
- the attack of the opening forces or torques of the drive of the switching device (switching shaft segments 92,93) changed in such an attack position that the long lever arm H on the cam surface 87 is effective and the opening torque is significantly increased.
- At location and shape of the slot is essential that an oblique employment of the slot is present with respect to the longitudinal axis of the contact lever.
- the intended effect is supported by an oblique orientation of the contact force springs with respect to their longitudinal Force effect, i. the line of force between the points of attack of the corresponding Contact force spring at the associated points of attack, or lever arms of the contact and on the switching shaft or the switching shaft segment, with respect to the longitudinal axis of the contact arm as well as the course of the slot.
- the opening movement (in the direction of arrow R) supported be by a forced displacement of the lever arm with respect to the driver surfaces on the contact lever.
- a shield plate 60th arranged, which is drawn in Fig. 8.
- the shield plate its position in the selector shaft can also be seen in Fig. 1, reduces the cross section for the passage of arc gases from the contact chamber 40 in the connection chamber 50. This can be a faster Achieve pressure build-up in the contact chamber. The build-up of pressure acts on the resulting Arc and blows him in the direction of the discharge opening 44 of the contact chamber. This advantageously works an accelerated separation of the arc from the fixed contact piece 9 '.
- the Shield 60 has the shape of a rectangle. Inside the rectangular shape is a window 68 for the passage of the contact lever available.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Breakers (AREA)
Abstract
Description
- 2
- Isolierstoffgehäuse
- 7
- Drehachse (Querachse)
- 9'
- Festkontaktstück
- 9"
- Kontaktstück am Kontakthebel
- 10' 10"
- Kontaktkraftfedern
- 20' 20"
- Anschlussschienen
- 22
- Litze
- 22' 22"
- Befestigungsstellen der Litze
- 24
- Bohrung/Niet in Anschlussschiene 20'
- 30
- magnetisierbarer Körper (Magnetjoch)
- I II III
- drei Bereiche des Körpers
- 31
- Befestigungsfläche (Querschenkel)
- 32
- Trogseitenflächen
- 32a
- Vorderflanke
- 32b
- Rückenflanke
- 36
- Verlängerungsbereich
- 38
- Befestigungsschrauben
- 39
- Befestigungsbohrungen
- 40
- Kontaktkammer (Löschkammer)
- 42
- Löscheinrichtung
- 44
- Ausblasöffnung
- 50
- Anschlusskammer
- 60
- Schirmblech
- 64
- Haken
- 67'
- Achsaufnahmen
- 68
- Fenster (Durchgriff für Kontakthebel)
- 80
- (zweiarmiger) Kontakthebel einfachunterbrechend
- 81, 82
- Hebelarme
- 84, 85
- Befestigungsnasen
- 86, 87
- Mitnehmerflächen
- E
- axiales Spiel
- W
- Winkel
- D
- Durchmesser Langloch
- R
- öffnende Drehrichtung
- H
- Hebelarm
- M
- Mitte Festkontakt (Verschweißungsstelle)
- 90
- Schaltwelle
- 92, 93
- Schaltwellensegmente (Mitnehmer)
- 120
- Langloch
Claims (14)
- Schaltvorrichtung für einen mehrpoligen Niederspannungs-Lasttrennschalter mit einem Isolierstoffgehäuse (2), in dem zwei Kammern ausgebildet sind, von denen eine erste Kammer als Löschkammer (40) und eine zweite Kammer mit vergleichbarem Volumen als Anschlusskammer (50) fungiert, weiterhin umfasst die Schaltvorrichtung einen einfach unterbrechenden, in einem Lager beweglichen Drehkontakt, wobei der Drehkontakt als zweiarmiger Hebel (80) ausgebildet ist, dessen erster Hebelarm (81) ein Kontaktstück (9') trägt, welches mit einem Festkontakt (9") an einer ersten Stromanschlussschiene (20') mit Unterstützung von Kontaktkraftfedern (10', 10") in Schaltberührung kommt, und der zweite Hebelarm (82) des Drehkontakts mit einem flexiblen Leiter (22) an einer Befestigungsstelle (22') verbunden ist, der in leitender Verbindung mit einer zweiten Stromanschlussschiene (20") steht,
dadurch gekennzeichnet, dass in der Anschlusskammer (50) ein elektromagnetisch wirkendes Kontaktkraftverstärkungsmittel (30) angeordnet ist, welches in Schließ-Stellung der Kontaktstücke den zweiten Kontaktarm (82) übergreift - Schaltvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Kontaktkraftverstärkungsmittel (30) ebenfalls Teile des flexiblen Leiters (22) übergreift.
- Schaltvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Kontaktkraftverstärkungsmittel (30) als trogförmiges magnetisierbares Materialstück ausgebildet ist mit Lage des Trogbodens (31) parallel zum zweiten Kontaktarm (82).
- Schaltvorrichtung nach vorhergehendem Anspruch, dadurch gekennzeichnet, dass das Materialstück (30) im oberen oder unteren Bereich der Anschlusskammer (50) befestigt ist, und mit nach zum zweiten Kontaktarm (82) gerichteten Trogseitenflächen (32) den zweiten Kontaktarm, die Befestigungsstelle (22') des flexiblen Leiters (22) am Kontaktarm und gegebenenfalls Teile des flexiblen Leiters (22) übergreift.
- Schaltvorrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass die Trogseitenflächen (32) im Bereich der Überdeckung mit dem zweiten Kontaktarm (82) je eine Seitenflanke (32a) aufweisen, die ihren Ansatz hat am Ort des Endes des zweiten Kontaktsarms (82) und zum Drehpunkt des Kontaktarms (82) hin ansteigt.
- Schaltvorrichtung nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, dass jeweils im Bereich der Überdeckung mit dem flexiblen Leiter (22) die Trogseitenflächen (32) eine Rückenflanke (32b) aufweisen und der Trogboden eine Verlängerungsnase (III) aufweist.
- Schaltvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Kontaktkraftverstärkungsmittel (30) mit möglichst großem magnetischem Durchflutungsquerschnitt ausgebildet ist.
- Schaltvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Kontakthebel (80) mit Ausnahme der Hebelarmlängen um 180° drehsymmetrisch ausgebildet ist.
- Schaltvorrichtung nach vorhergehendem Anspruch, dadurch gekennzeichnet, dass am Kontakthebel (80) zwischen seinem Drehpunkt (7) und den Hebelarmenden je eine Mitnehmerfläche (86, 97) angeordnet ist, die von dem Antrieb (92, 93) der Schaltvorrichtung beaufschlagbar ist.
- Schaltvorrichtung nach vorhergehendem Anspruch, dadurch gekennzeichnet, dass in dem Kontakthebel (80) eine Achs-Aufnahmebohrung (120) in Form eines Langlochs ausgebildet ist, dessen Längsachse auf einem Kreis liegt, dessen Mittelpunkt ( M ) in der Mitte der Berührungsflächen der Schaltkontaktstücke (9', 9") liegt.
- Schaltvorrichtung nach vorhergehendem Anspruch, dadurch gekennzeichnet, dass die Längsachse des Langlochs (120) um einen Betrag ( E ) von 300 µm +/- 50 µm größer ist als die Querachse (D) des Langlochs.
- Schaltanordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass in der Schaltwelle (90) ein Schirmblech (60) angeordnet ist, welches den Querschnitt für den Durchtritt von Lichtbogengasen aus der Kontaktkammer (40) in die Anschlusskammer (50) vermindert.
- Schaltanordnung nach vorhergehendem Anspruch, dadurch gekennzeichnet, dass das Schirmblech (60) in Form eines Rechtecks ausgebildet ist mit einem im Inneren vorhandenen Fenster (68) zum Durchgriff des Kontakthebels und mit einem an der Schmalseite des Rechtecks ausgebildeten Haken (64) zum Übergreifen über einen in der Schaltwelle (90) ausgebildeten Quersteg.
- Schaltanordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass in der Löschkammer (40) in Nachbarschaft der Öffnungsstrecke des Kontakts (9', 9") ein Material angeordnet ist, welches lichtbogenlöschendes Gas freisetzt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003147148 DE10347148B4 (de) | 2003-10-10 | 2003-10-10 | Schaltvorrichtung mit einfach unterbrechendem Drehkontakt |
DE10347148 | 2003-10-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1523020A1 true EP1523020A1 (de) | 2005-04-13 |
EP1523020B1 EP1523020B1 (de) | 2015-08-05 |
Family
ID=34306356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04024128.3A Expired - Lifetime EP1523020B1 (de) | 2003-10-10 | 2004-10-09 | Schaltvorrichtung mit einfach unterbrechendem Drehkontakt |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1523020B1 (de) |
DE (1) | DE10347148B4 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2416332A1 (de) | 2010-08-06 | 2012-02-08 | Eaton Industries GmbH | Schaltvorrichtung für ein elektrisches Niederspannungsschaltgerät |
EP2587508A1 (de) * | 2011-10-25 | 2013-05-01 | Eaton Industries GmbH | Leistungsschutzschalter |
US8451074B2 (en) | 2010-04-13 | 2013-05-28 | Siemens Aktiengesellschaft | Switch, in particular load breaking switch |
CN108987208A (zh) * | 2017-06-05 | 2018-12-11 | 周思雨 | 一种微型断路器及其灭弧装置 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006050767B3 (de) * | 2006-10-27 | 2008-05-29 | Moeller Gmbh | Stromzuführung für einen beweglichen Kontaktarm |
DE102007048748A1 (de) * | 2007-10-08 | 2009-04-09 | Siemens Ag | Kontakthebel |
DE102008037967A1 (de) * | 2008-08-13 | 2010-02-18 | Siemens Aktiengesellschaft | Drehkontaktsystem mit Toleranzausgleich für ein Schaltgerät sowie Schaltgeräte mit einem derartigen Drehkontaktsystem |
DE102008039187B4 (de) * | 2008-08-20 | 2019-06-19 | Siemens Aktiengesellschaft | Leistungsschalter, insbesondere für Niederspannungen |
DE102008050755A1 (de) | 2008-10-07 | 2010-04-08 | Siemens Aktiengesellschaft | Elektrisches Gerät mit einem elektrischen Anschluss |
WO2016193042A1 (de) | 2015-06-01 | 2016-12-08 | Eaton Electrical Ip Gmbh & Co. Kg | Schutzschalter mit magnetisch unterstützter öffnung |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1918232A (en) | 1932-07-26 | 1933-07-11 | Westinghouse Electric & Mfg Co | Circuit interrupter |
DE926740C (de) * | 1950-11-05 | 1955-04-25 | Siemens Ag | Schaltstueckanordnung fuer Schalter mit hoher Abschaltleistung |
DE1929091U (de) | 1965-08-05 | 1965-12-16 | Siemens Ag | Einrichtung zur kontaktdruckverstaerkung bei selbstschaltern. |
DE2615726A1 (de) * | 1976-04-10 | 1977-10-27 | Bbc Brown Boveri & Cie | Kontaktanordnung |
WO2003015114A1 (fr) * | 2001-08-02 | 2003-02-20 | Mitsubishi Denki Kabushiki Kaisha | Disjoncteur a air |
WO2003050835A1 (en) | 2001-12-10 | 2003-06-19 | Abb Service S.R.L. | Electric pole for a low-voltage power circuit breaker, and associated circuit breaker |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4078219A (en) * | 1976-02-12 | 1978-03-07 | Westinghouse Electric Corporation | Overcurrent latch for magnetic contactor |
-
2003
- 2003-10-10 DE DE2003147148 patent/DE10347148B4/de not_active Expired - Fee Related
-
2004
- 2004-10-09 EP EP04024128.3A patent/EP1523020B1/de not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1918232A (en) | 1932-07-26 | 1933-07-11 | Westinghouse Electric & Mfg Co | Circuit interrupter |
DE926740C (de) * | 1950-11-05 | 1955-04-25 | Siemens Ag | Schaltstueckanordnung fuer Schalter mit hoher Abschaltleistung |
DE1929091U (de) | 1965-08-05 | 1965-12-16 | Siemens Ag | Einrichtung zur kontaktdruckverstaerkung bei selbstschaltern. |
DE2615726A1 (de) * | 1976-04-10 | 1977-10-27 | Bbc Brown Boveri & Cie | Kontaktanordnung |
WO2003015114A1 (fr) * | 2001-08-02 | 2003-02-20 | Mitsubishi Denki Kabushiki Kaisha | Disjoncteur a air |
EP1414057A1 (de) * | 2001-08-02 | 2004-04-28 | Mitsubishi Denki Kabushiki Kaisha | Luftunterbrecherschalter |
WO2003050835A1 (en) | 2001-12-10 | 2003-06-19 | Abb Service S.R.L. | Electric pole for a low-voltage power circuit breaker, and associated circuit breaker |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US8451074B2 (en) | 2010-04-13 | 2013-05-28 | Siemens Aktiengesellschaft | Switch, in particular load breaking switch |
EP2416332A1 (de) | 2010-08-06 | 2012-02-08 | Eaton Industries GmbH | Schaltvorrichtung für ein elektrisches Niederspannungsschaltgerät |
WO2012017090A1 (de) | 2010-08-06 | 2012-02-09 | Eaton Industries Gmbh | Schaltvorrichtung für ein elektrisches niederspannungsschaltgerät |
EP2587508A1 (de) * | 2011-10-25 | 2013-05-01 | Eaton Industries GmbH | Leistungsschutzschalter |
WO2013060755A1 (de) * | 2011-10-25 | 2013-05-02 | Eaton Electrical Ip Gmbh & Co. Kg | Leistungsschutzschalter |
CN108987208A (zh) * | 2017-06-05 | 2018-12-11 | 周思雨 | 一种微型断路器及其灭弧装置 |
CN108987208B (zh) * | 2017-06-05 | 2024-04-02 | 周思雨 | 一种微型断路器及其灭弧装置 |
Also Published As
Publication number | Publication date |
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EP1523020B1 (de) | 2015-08-05 |
DE10347148B4 (de) | 2006-01-19 |
DE10347148A1 (de) | 2005-05-12 |
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