IT967721B - Interruttore automatico di prote zione di circuiti elettrici - Google Patents

Interruttore automatico di prote zione di circuiti elettrici

Info

Publication number
IT967721B
IT967721B IT29498/72A IT2949872A IT967721B IT 967721 B IT967721 B IT 967721B IT 29498/72 A IT29498/72 A IT 29498/72A IT 2949872 A IT2949872 A IT 2949872A IT 967721 B IT967721 B IT 967721B
Authority
IT
Italy
Prior art keywords
protection
electrical circuits
automatic switch
automatic
switch
Prior art date
Application number
IT29498/72A
Other languages
English (en)
Original Assignee
Maier C Et Cie
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 Maier C Et Cie filed Critical Maier C Et Cie
Application granted granted Critical
Publication of IT967721B publication Critical patent/IT967721B/it

Links

Classifications

    • 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
    • H01H1/2066—Fork-shaped bridge; Two transversally connected contact arms bridging two fixed contacts
    • 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
    • H01H73/18—Means for extinguishing or suppressing arc
    • 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
IT29498/72A 1971-09-30 1972-09-22 Interruttore automatico di prote zione di circuiti elettrici IT967721B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1437871A CH543174A (de) 1971-09-30 1971-09-30 Leitungsschutzschalter

Publications (1)

Publication Number Publication Date
IT967721B true IT967721B (it) 1974-03-11

Family

ID=4400303

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29498/72A IT967721B (it) 1971-09-30 1972-09-22 Interruttore automatico di prote zione di circuiti elettrici

Country Status (14)

Country Link
US (1) US3790911A (it)
JP (1) JPS5614218B2 (it)
AT (1) AT325704B (it)
BE (1) BE789300A (it)
CH (1) CH543174A (it)
DE (1) DE2158749C3 (it)
DK (1) DK131527B (it)
ES (1) ES407278A1 (it)
FR (1) FR2154628B1 (it)
GB (1) GB1391222A (it)
IL (1) IL40438A (it)
IT (1) IT967721B (it)
NL (1) NL172703C (it)
SE (1) SE386304B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5745007B2 (it) * 1974-03-02 1982-09-25
DE7508649U (de) * 1974-05-14 1975-08-28 Kopp H Hochleistungs-Selbstschalter
FR2429488A1 (fr) * 1978-06-23 1980-01-18 Merlin Gerin Disjoncteur electrique multipolaire basse tension a chambre d'extinction d'arc perfectionnee
FR2461349A1 (fr) * 1979-07-12 1981-01-30 Merlin Gerin Chambre de coupure perfectionnee pour disjoncteur basse tension multipolaire a boitier moule
DE3021867A1 (de) * 1980-06-11 1981-12-17 Brown, Boveri & Cie Ag, 6800 Mannheim Selbstschalter
FR2495826A1 (fr) * 1980-12-09 1982-06-11 Merlin Gerin Disjoncteur miniature a haut pouvoir de coupure
FR2517465B1 (fr) * 1981-11-27 1986-05-02 Merlin Gerin Disjoncteur miniature a deux chambres de coupure accolees
DE3339399A1 (de) * 1983-10-29 1985-05-09 Sursum Elektrizitätsgesellschaft Leyhausen GmbH & Co, 8500 Nürnberg Selbstschalter mit lichtbogenblasfeld
DE3421876A1 (de) * 1984-06-13 1985-12-19 Brown, Boveri & Cie Ag, 6800 Mannheim Lichtbogenloescheinrichtung
JPS61124020A (ja) * 1984-11-20 1986-06-11 松下電工株式会社 消弧装置
JPS6149944U (it) * 1985-08-29 1986-04-03
US4656446A (en) * 1985-12-17 1987-04-07 Westinghouse Electric Corp. Current limiting circuit breaker with series double break contact system per pole
JPH088048B2 (ja) * 1989-09-18 1996-01-29 三菱電機株式会社 限流装置
DE19734676A1 (de) * 1997-08-11 1999-02-18 Maier & Cie C Schaltgerät
IT1318215B1 (it) * 2000-07-21 2003-07-28 Gewiss Spa Interruttore elettrico magnetotermico
EP1220260A1 (de) * 2000-12-27 2002-07-03 ABB Schweiz AG Leistungsschalter mit einer doppeltunterbrechenden Kontaktanordnung
IT1325891B (it) * 2001-06-22 2004-12-30 Abb Service Srl Polo interruttore miniaturizzato
DE102005041232B4 (de) * 2005-08-31 2009-11-26 Abb Ag Elektrisches Schaltgerät
DE102005041231B4 (de) * 2005-08-31 2009-11-26 Abb Ag Elektrisches Schaltgerät
US8912461B2 (en) * 2012-01-23 2014-12-16 General Electric Company Arc chute assembly and method of manufacturing same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1919438A (en) * 1929-08-20 1933-07-25 Westinghouse Electric & Mfg Co Plate for circuit breakers
US2615109A (en) * 1949-12-10 1952-10-21 Gen Electric Zigzag magnetic labyrinth arc muffler
US2687462A (en) * 1950-02-16 1954-08-24 Westinghouse Electric Corp Circuit interrupter
US2908782A (en) * 1957-04-04 1959-10-13 Gen Electric Circuit breaker

Also Published As

Publication number Publication date
NL172703B (nl) 1983-05-02
DE2158749C3 (de) 1975-01-09
NL172703C (nl) 1983-10-03
NL7213269A (it) 1973-04-03
IL40438A (en) 1975-08-31
CH543174A (de) 1973-10-15
DK131527C (it) 1975-12-22
ATA771372A (de) 1975-01-15
ES407278A1 (es) 1975-10-16
JPS4842368A (it) 1973-06-20
IL40438A0 (en) 1972-11-28
US3790911A (en) 1974-02-05
AT325704B (de) 1975-11-10
DK131527B (da) 1975-07-28
BE789300A (fr) 1973-01-15
SE386304B (sv) 1976-08-02
DE2158749A1 (de) 1973-04-12
DE2158749B2 (de) 1973-08-02
JPS5614218B2 (it) 1981-04-02
FR2154628B1 (it) 1977-08-26
GB1391222A (en) 1975-04-16
FR2154628A1 (it) 1973-05-11

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