IT1041231B - Dispositvio limitatore di correnti in particolare per protezione contro cortocircuiti - Google Patents
Dispositvio limitatore di correnti in particolare per protezione contro cortocircuitiInfo
- Publication number
- IT1041231B IT1041231B IT50936/75A IT5093675A IT1041231B IT 1041231 B IT1041231 B IT 1041231B IT 50936/75 A IT50936/75 A IT 50936/75A IT 5093675 A IT5093675 A IT 5093675A IT 1041231 B IT1041231 B IT 1041231B
- Authority
- IT
- Italy
- Prior art keywords
- circuits
- protection against
- current limiting
- limiting device
- against short
- Prior art date
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
- H01H9/42—Impedances connected with contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/10—Adjustable resistors adjustable by mechanical pressure or force
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/16—Impedances connected with contacts
- H01H33/161—Variable impedances
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Emergency Protection Circuit Devices (AREA)
- Fuses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2439066A DE2439066C2 (de) | 1974-08-14 | 1974-08-14 | Einrichtung zur Begrenzung von Strömen |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1041231B true IT1041231B (it) | 1980-01-10 |
Family
ID=5923214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT50936/75A IT1041231B (it) | 1974-08-14 | 1975-08-12 | Dispositvio limitatore di correnti in particolare per protezione contro cortocircuiti |
Country Status (5)
Country | Link |
---|---|
US (1) | US4021699A (it) |
BE (1) | BE832466A (it) |
DE (1) | DE2439066C2 (it) |
FR (1) | FR2282157A1 (it) |
IT (1) | IT1041231B (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2751452C2 (de) * | 1977-11-18 | 1986-10-23 | Brown, Boveri & Cie Ag, 6800 Mannheim | Elektrisches Schaltgerät |
DE3206462A1 (de) * | 1982-02-23 | 1983-09-01 | Siemens AG, 1000 Berlin und 8000 München | Leitungsschutzschalter |
DE3415288A1 (de) * | 1984-04-24 | 1985-02-07 | Peter 8918 Dießen Beger | Dauer-sicherungsanordnung fuer den niederspannungsbereich, mit reversibler, definierter trennung |
DE4446045A1 (de) * | 1994-12-22 | 1996-06-27 | Siemens Ag | Schalter zur Strombegrenzung |
DE19510100A1 (de) * | 1995-03-20 | 1996-09-26 | Abb Research Ltd | Elastisch verformbarer Widerstand und Vorrichtung zum Begrenzen und/oder Schalten von Strom mit einem solchen Widerstand |
DE19743468B4 (de) * | 1997-10-01 | 2007-02-08 | Moeller Gmbh | Strombegrenzendes Kontaktsystem mit selektiver Wirkung |
DE10118746B4 (de) | 2001-04-17 | 2004-06-24 | Siemens Ag | Verfahren zum Betreiben eines Schaltgerätes mit einem zuschaltbaren Strombegrenzer und zugehörige Anordnung |
US6774509B2 (en) * | 2002-01-30 | 2004-08-10 | Defond Manufacturing Limited | Electrical switch assembly |
DE102006034818B3 (de) * | 2006-07-27 | 2008-01-03 | Moeller Gmbh | Kontaktsystem einer elektrischen Schaltanordnung |
DE102011056577C5 (de) | 2011-12-19 | 2015-02-19 | Sma Solar Technology Ag | Schaltungsanordnung zur Unterdrückung eines bei einem Schaltvorgang auftretenden Lichtbogens |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3221114A (en) * | 1965-11-30 | Hisao maeda | ||
CA655182A (en) * | 1963-01-01 | Roth Heinz | Electrical resistance for heavy duty switch | |
DE488687C (de) * | 1927-10-22 | 1930-01-04 | E H Georg Dettmar Dr Ing | Druckabhaengiger Regelwiderstand in Gestalt einer Feder |
GB406844A (en) * | 1931-12-16 | 1934-03-08 | Gen Electric | Improvements in and relating to resistances combined with electric switches |
US2818479A (en) * | 1954-12-08 | 1957-12-31 | Mandrel Industries | Transient switch |
CH348198A (de) * | 1957-02-14 | 1960-08-15 | Kuhn Albert | Elektrischer Regulierwiderstand |
US3160727A (en) * | 1961-10-24 | 1964-12-08 | Gas-blast orifice-type interrupting unit | |
US3240996A (en) * | 1962-02-23 | 1966-03-15 | Siemens Ag | Switch of the circuit breaker type |
BE629692A (it) * | 1963-04-01 | |||
US3529210A (en) * | 1967-02-28 | 1970-09-15 | Mitsubishi Electric Corp | Current limiting circuit |
DE1939555A1 (de) * | 1968-08-09 | 1970-02-12 | Magrini Fabbriche Riunite Marg | Verfahren und Vorrichtung zum Anlegen einer Spannung an eine Leitung vermittels eines Modulschalters und eines Einschaltwiderstandes |
DD98398A1 (it) * | 1972-03-30 | 1973-06-12 |
-
1974
- 1974-08-14 DE DE2439066A patent/DE2439066C2/de not_active Expired
-
1975
- 1975-08-12 IT IT50936/75A patent/IT1041231B/it active
- 1975-08-13 FR FR7525279A patent/FR2282157A1/fr active Granted
- 1975-08-13 US US05/604,147 patent/US4021699A/en not_active Expired - Lifetime
- 1975-08-14 BE BE159237A patent/BE832466A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2282157B3 (it) | 1978-04-07 |
US4021699A (en) | 1977-05-03 |
FR2282157A1 (fr) | 1976-03-12 |
DE2439066C2 (de) | 1982-06-03 |
BE832466A (fr) | 1975-12-01 |
DE2439066A1 (de) | 1976-02-26 |
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