ATE382948T1 - CONTACT SYSTEM FOR A LOW VOLTAGE SWITCH - Google Patents

CONTACT SYSTEM FOR A LOW VOLTAGE SWITCH

Info

Publication number
ATE382948T1
ATE382948T1 AT06121725T AT06121725T ATE382948T1 AT E382948 T1 ATE382948 T1 AT E382948T1 AT 06121725 T AT06121725 T AT 06121725T AT 06121725 T AT06121725 T AT 06121725T AT E382948 T1 ATE382948 T1 AT E382948T1
Authority
AT
Austria
Prior art keywords
spring
support
arm
low voltage
voltage switch
Prior art date
Application number
AT06121725T
Other languages
German (de)
Inventor
Kurt Haendler
Original Assignee
Moeller Gmbh
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 Moeller Gmbh filed Critical Moeller Gmbh
Application granted granted Critical
Publication of ATE382948T1 publication Critical patent/ATE382948T1/en

Links

Classifications

    • 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
    • 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
    • H01H1/22—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact
    • H01H1/221—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member
    • H01H1/225—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member the supporting member being pivotable

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Contacts (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Electronic Switches (AREA)
  • Keying Circuit Devices (AREA)
  • Breakers (AREA)

Abstract

The system has a contact arm (10) supported in a switching shaft (2) and for each pole in a switch housing around a pivotal point (12). A contact force spring (20) acts on an axle of a spring catch (30) at the arm by the catch that is supported in a support (24). The area is shifted during opening movement, so that a force vector is deviated by the pivotal point of the arm. The spring lies between a spring pivot (22) in the shaft and the support, where the support is guided on a circular arc in a longitudinal-relocating manner.
AT06121725T 2005-10-05 2006-10-04 CONTACT SYSTEM FOR A LOW VOLTAGE SWITCH ATE382948T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005047576 2005-10-05
DE102005050705A DE102005050705B4 (en) 2005-10-05 2005-10-22 Contact system for a low-voltage switch

Publications (1)

Publication Number Publication Date
ATE382948T1 true ATE382948T1 (en) 2008-01-15

Family

ID=37607372

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06121725T ATE382948T1 (en) 2005-10-05 2006-10-04 CONTACT SYSTEM FOR A LOW VOLTAGE SWITCH

Country Status (3)

Country Link
EP (1) EP1772885B1 (en)
AT (1) ATE382948T1 (en)
DE (2) DE102005050705B4 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008037967A1 (en) * 2008-08-13 2010-02-18 Siemens Aktiengesellschaft Rotary contact system for power switching device, has spring gripping molded inner contour of recess in spring loaded condition such that arms are provided with slack point characteristic during rotational motion relative to shaft segments
KR101079020B1 (en) * 2010-01-18 2011-11-01 엘에스산전 주식회사 Shaft unit for circuit breaker
EP2587508A1 (en) 2011-10-25 2013-05-01 Eaton Industries GmbH Circuit breaker
CN105895408B (en) * 2015-01-13 2018-02-27 大庆宏富来电气设备制造有限公司 Explosion-proof air switch
CN113539713B (en) * 2021-06-11 2023-07-07 华能伊敏煤电有限责任公司 Method for improving overheat of exciting knife switch or high-power knife switch

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL241741A (en) * 1958-07-30
DE3347120A1 (en) * 1983-12-22 1985-07-11 Siemens AG, 1000 Berlin und 8000 München ELECTRO-DYNAMIC OPENING CONTACT SYSTEM
DE3736013A1 (en) * 1987-10-23 1989-05-11 Kloeckner Moeller Elektrizit CONTACT SYSTEM FOR A CIRCUIT BREAKER
DE8807222U1 (en) * 1988-06-03 1989-10-05 Klöckner-Moeller Elektrizitätsgesellschaft mbH, 5300 Bonn Circuit breaker with arc limiting device
DE4222965C1 (en) * 1992-07-13 1993-11-25 Kloeckner Moeller Gmbh Contact system for electrical power switching of load and safety devices - has movable contacts on carriers with spring elements to provide snap action operating forces
DE19933919B4 (en) * 1999-07-20 2009-09-10 Aeg Niederspannungstechnik Gmbh & Co Kg Movable contact with low electrical resistance
US6366438B1 (en) * 2000-03-06 2002-04-02 General Electric Company Circuit interrupter rotary contact arm
DE10013160B4 (en) * 2000-03-17 2006-07-06 Aeg Niederspannungstechnik Gmbh & Co Kg Switch shaft unit for a switch
US6628185B2 (en) * 2001-09-14 2003-09-30 Square D Company Blade assembly for a circuit breaker

Also Published As

Publication number Publication date
DE102005050705B4 (en) 2008-07-31
DE502006000262D1 (en) 2008-02-14
EP1772885A1 (en) 2007-04-11
EP1772885B1 (en) 2008-01-02
DE102005050705A1 (en) 2007-04-19

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee