EP1017073A3 - Switch with two pairs of contacts and two-cell arc extinguishing chamber - Google Patents

Switch with two pairs of contacts and two-cell arc extinguishing chamber Download PDF

Info

Publication number
EP1017073A3
EP1017073A3 EP99203932A EP99203932A EP1017073A3 EP 1017073 A3 EP1017073 A3 EP 1017073A3 EP 99203932 A EP99203932 A EP 99203932A EP 99203932 A EP99203932 A EP 99203932A EP 1017073 A3 EP1017073 A3 EP 1017073A3
Authority
EP
European Patent Office
Prior art keywords
switch
laminae
arc extinguishing
pairs
contacts
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
EP99203932A
Other languages
German (de)
French (fr)
Other versions
EP1017073A2 (en
EP1017073B1 (en
Inventor
Fabrizio Fabrizi
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.)
BTicino SpA
Original Assignee
BTicino SpA
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 BTicino SpA filed Critical BTicino SpA
Publication of EP1017073A2 publication Critical patent/EP1017073A2/en
Publication of EP1017073A3 publication Critical patent/EP1017073A3/en
Application granted granted Critical
Publication of EP1017073B1 publication Critical patent/EP1017073B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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

Abstract

The arc extinguishing unit of the switch comprises a body of insulating material (20) and two packs (21, 21') of superposed laminae (23, 23') insulated from one another. Each pack of laminae has an arc splitting side and a gas discharge side, and is arranged beside the other with the interposition of a substantially flat portion (28) of the body. In order to obtain compactness, efficiency of extinguishing of the arc, and discharge of the gases without dispersions within the switch, means (31-34) are provided for channelling the gases formed, partly inside the body (20) and partly by conjugate surfaces of the body and of at least one of the shells (5, 5') which together constitute the housing of the switch. Said channelling means extend from a region adjacent to the discharge side of each of the two packs of laminae as far as apertures (15) provided on one side of the housing. <IMAGE>
EP99203932A 1998-12-02 1999-11-25 Switch with two pairs of contacts and two-cell arc extinguishing chamber Expired - Lifetime EP1017073B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI982619 1998-12-02
IT1998MI002619A IT1303637B1 (en) 1998-12-02 1998-12-02 SWITCH WITH TWO COUPLES OF CONTACTS AND ARCOA EXTINGUISHING GROUP TWO CELLS

Publications (3)

Publication Number Publication Date
EP1017073A2 EP1017073A2 (en) 2000-07-05
EP1017073A3 true EP1017073A3 (en) 2001-04-25
EP1017073B1 EP1017073B1 (en) 2005-08-31

Family

ID=11381184

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99203932A Expired - Lifetime EP1017073B1 (en) 1998-12-02 1999-11-25 Switch with two pairs of contacts and two-cell arc extinguishing chamber

Country Status (5)

Country Link
EP (1) EP1017073B1 (en)
AT (1) ATE303653T1 (en)
DE (1) DE69926982T2 (en)
ES (1) ES2248960T3 (en)
IT (1) IT1303637B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012214826A1 (en) * 2012-08-21 2014-02-27 Siemens Aktiengesellschaft switching device
CN205621690U (en) * 2016-03-30 2016-10-05 浙江正泰电器股份有限公司 Miniature circuit breaker

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1104019B (en) * 1959-09-11 1961-04-06 Continental Elektro Ind Ag Arc extinguishing chamber for electrical circuit breakers
US3448231A (en) * 1966-11-14 1969-06-03 Gen Electric Electric circuit breaker arc chute with arc discharge filter
FR2511188A1 (en) * 1981-08-06 1983-02-11 Telemecanique Electrique Gas exhaustion arrangement for high-current circuit breaker - uses expansion chamber in form of convergent duct with circulation blocks to exhaust arc gases to atmosphere
EP0306382A1 (en) * 1987-08-31 1989-03-08 Merlin Gerin Breaker arrangement for an electric multipolar circuit breaker with many contacts

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1104019B (en) * 1959-09-11 1961-04-06 Continental Elektro Ind Ag Arc extinguishing chamber for electrical circuit breakers
US3448231A (en) * 1966-11-14 1969-06-03 Gen Electric Electric circuit breaker arc chute with arc discharge filter
FR2511188A1 (en) * 1981-08-06 1983-02-11 Telemecanique Electrique Gas exhaustion arrangement for high-current circuit breaker - uses expansion chamber in form of convergent duct with circulation blocks to exhaust arc gases to atmosphere
EP0306382A1 (en) * 1987-08-31 1989-03-08 Merlin Gerin Breaker arrangement for an electric multipolar circuit breaker with many contacts

Also Published As

Publication number Publication date
DE69926982D1 (en) 2005-10-06
EP1017073A2 (en) 2000-07-05
DE69926982T2 (en) 2006-06-14
ATE303653T1 (en) 2005-09-15
IT1303637B1 (en) 2001-02-21
ITMI982619A1 (en) 2000-06-02
ES2248960T3 (en) 2006-03-16
EP1017073B1 (en) 2005-08-31

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