EP2105941A3 - Installation switching device with a double interruption - Google Patents

Installation switching device with a double interruption Download PDF

Info

Publication number
EP2105941A3
EP2105941A3 EP09001939A EP09001939A EP2105941A3 EP 2105941 A3 EP2105941 A3 EP 2105941A3 EP 09001939 A EP09001939 A EP 09001939A EP 09001939 A EP09001939 A EP 09001939A EP 2105941 A3 EP2105941 A3 EP 2105941A3
Authority
EP
European Patent Office
Prior art keywords
switching device
installation switching
contact
contact bridge
brackets
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
EP09001939A
Other languages
German (de)
French (fr)
Other versions
EP2105941B1 (en
EP2105941A2 (en
Inventor
Frank Hustert
Ralph Burkhardt
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.)
ABB AG Germany
Original Assignee
ABB AG Germany
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 ABB AG Germany filed Critical ABB AG Germany
Publication of EP2105941A2 publication Critical patent/EP2105941A2/en
Publication of EP2105941A3 publication Critical patent/EP2105941A3/en
Application granted granted Critical
Publication of EP2105941B1 publication Critical patent/EP2105941B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2409—Electromagnetic mechanisms combined with an electromagnetic current limiting mechanism
    • 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
    • H01H73/045—Bridging 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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2418—Electromagnetic mechanisms combined with an electrodynamic current limiting mechanism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
    • H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
    • H01H77/10—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening
    • H01H77/102—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by special mounting of contact arm, allowing blow-off movement
    • H01H77/104—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by special mounting of contact arm, allowing blow-off movement with a stable blow-off position

Abstract

The electrical switching device (1) has a double contact point (10) and a contact bridge (7), which is passed by an impact pin (20) against the pressure of a contact pressure spring (11) during a striking operation in opened position. The distance of the two brackets is tapered to each other at free ends. The distance at the free ends is smaller than the width of the contact bridge such that the contact bridge is jammed during a disconnection between the brackets. A pusher (12) is operated by a latch (15), in which the impact pin is guided.
EP09001939A 2008-03-28 2009-02-12 Installation switching device with a double interruption Active EP2105941B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008016036A DE102008016036A1 (en) 2008-03-28 2008-03-28 Installation switching device with a double break

Publications (3)

Publication Number Publication Date
EP2105941A2 EP2105941A2 (en) 2009-09-30
EP2105941A3 true EP2105941A3 (en) 2011-10-19
EP2105941B1 EP2105941B1 (en) 2012-04-18

Family

ID=40815805

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09001939A Active EP2105941B1 (en) 2008-03-28 2009-02-12 Installation switching device with a double interruption

Country Status (5)

Country Link
US (1) US8035044B2 (en)
EP (1) EP2105941B1 (en)
CN (1) CN101546657B (en)
AT (1) ATE554494T1 (en)
DE (1) DE102008016036A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102737865B (en) * 2012-07-05 2015-04-08 浙江中凯科技股份有限公司 Connecting structure for connecting contact support and contact bridge of double-breaking-point contact
CN102915885B (en) * 2012-10-30 2014-12-17 科都电气有限公司 Bipolar circuit breaker
CN103236368B (en) * 2013-04-02 2015-03-11 哈尔滨工业大学 Multifunctional trigger device on basis of displacement input
EP2849199A1 (en) * 2013-09-16 2015-03-18 Siemens Aktiengesellschaft Switching unit, in particular circuit breaker

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2735304A1 (en) * 1976-09-30 1978-04-06 Elektro App Werke Veb Electrical overload cut=out - has spring loaded toggle lever arrangement on cross piece carrying upper moving contacts
DE4322935A1 (en) * 1993-07-09 1995-01-19 Kloeckner Moeller Gmbh Contact system for an electromagnetic switching device having a quick-action release
DE19540972A1 (en) * 1995-11-03 1997-05-07 Kloeckner Moeller Gmbh Current-limiting contact system for LV circuit-breaker

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT207933B (en) * 1958-12-01 1960-03-10 Elektro App Werke Veb Device for preventing contact bouncing in switching devices, in particular in electromagnetic switches
ATE39394T1 (en) * 1984-09-01 1989-01-15 Square D Starkstrom Gmbh CONTACT DEVICE.
US4893102A (en) * 1987-02-19 1990-01-09 Westinghouse Electric Corp. Electromagnetic contactor with energy balanced closing system
DE8805875U1 (en) * 1988-05-03 1989-09-07 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
FR2669463B1 (en) 1990-11-15 1995-05-12 Telemecanique PROTECTION SWITCH.
FR2673486B1 (en) * 1991-02-28 1996-03-01 Telemecanique CURRENT SWITCHING APPARATUS.
FR2673487B1 (en) 1991-02-28 1993-10-29 Telemecanique PROTECTION SWITCH INCORPORATING A TRIGGERING MAGNETOTHERMAL SUB-ASSEMBLY.
FR2676592B1 (en) * 1991-05-13 1993-07-23 Telemecanique THERMAL AND MAGNETIC PROTECTION CURRENT SWITCHING APPARATUS.
FR2691576B1 (en) * 1992-05-22 1994-07-08 Telemecanique PROTECTIVE SWITCHING APPARATUS.
FR2707794B1 (en) * 1993-07-12 1995-08-18 Telemecanique Protection switch device.
FR2743190B1 (en) 1995-12-29 1998-01-30 Schneider Electric Sa CONTACTOR SLIDER FOR CONTACTORS
DE19716380C1 (en) * 1997-04-18 1998-10-08 Siemens Ag Electromagnetic switching device
DE29714318U1 (en) * 1997-08-11 1997-12-04 Siemens Ag Contact system for switching devices
JP2000340093A (en) * 1999-05-25 2000-12-08 Fuji Electric Co Ltd Overcurrent trip device for circuit breaker
US6833777B2 (en) * 2000-04-07 2004-12-21 Siemens Aktiengesellschaft Switching method for an electromagnetic switching device and an electromagnetic switching device corresponding thereto
FR2813988B1 (en) * 2000-09-08 2003-10-17 Schneider Electric Ind Sa SWITCHING DEVICE FOR A SWITCHING APPARATUS
DE10356271B4 (en) * 2003-11-28 2008-02-14 Siemens Ag switchgear
DE102006055007A1 (en) 2006-11-22 2008-05-29 Abb Ag Installation switching device with a double break

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2735304A1 (en) * 1976-09-30 1978-04-06 Elektro App Werke Veb Electrical overload cut=out - has spring loaded toggle lever arrangement on cross piece carrying upper moving contacts
DE4322935A1 (en) * 1993-07-09 1995-01-19 Kloeckner Moeller Gmbh Contact system for an electromagnetic switching device having a quick-action release
DE19540972A1 (en) * 1995-11-03 1997-05-07 Kloeckner Moeller Gmbh Current-limiting contact system for LV circuit-breaker

Also Published As

Publication number Publication date
EP2105941B1 (en) 2012-04-18
DE102008016036A1 (en) 2009-10-01
US20090242373A1 (en) 2009-10-01
CN101546657B (en) 2014-02-05
ATE554494T1 (en) 2012-05-15
EP2105941A2 (en) 2009-09-30
US8035044B2 (en) 2011-10-11
CN101546657A (en) 2009-09-30

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