CA1043840A - Current limiting circuit breaker - Google Patents
Current limiting circuit breakerInfo
- Publication number
- CA1043840A CA1043840A CA225,213A CA225213A CA1043840A CA 1043840 A CA1043840 A CA 1043840A CA 225213 A CA225213 A CA 225213A CA 1043840 A CA1043840 A CA 1043840A
- Authority
- CA
- Canada
- Prior art keywords
- contact
- current
- contacts
- arc
- current limiting
- 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.)
- Expired
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
-
- 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
- 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
- H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
- H01H9/446—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using magnetisable elements associated with the contacts
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Emergency Protection Circuit Devices (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA291,305A CA1051069A (en) | 1974-04-29 | 1977-11-21 | Current limiting circuit breaker |
CA77291306A CA1048578A (en) | 1974-04-29 | 1977-11-21 | Current limiting circuit breaker |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/465,399 US3944953A (en) | 1974-04-29 | 1974-04-29 | Current limiting circuit breaker |
US05/465,011 US3946346A (en) | 1974-04-29 | 1974-04-29 | Current limiting circuit breaker |
US05/465,397 US3956723A (en) | 1974-04-29 | 1974-04-29 | Current limiting circuit breaker |
US05/465,010 US3943472A (en) | 1974-04-29 | 1974-04-29 | Current limiting circuit breaker |
US05/465,398 US3943316A (en) | 1974-04-29 | 1974-04-29 | Current limiting circuit breaker |
US05/465,012 US3943473A (en) | 1974-04-29 | 1974-04-29 | Current limiting circuit breaker |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1043840A true CA1043840A (en) | 1978-12-05 |
Family
ID=27560024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA225,213A Expired CA1043840A (en) | 1974-04-29 | 1975-04-17 | Current limiting circuit breaker |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS6237499B2 (zh) |
CA (1) | CA1043840A (zh) |
CH (1) | CH613809A5 (zh) |
DE (1) | DE2519092C2 (zh) |
FR (1) | FR2280188B1 (zh) |
GB (1) | GB1511881A (zh) |
IE (1) | IE42983B1 (zh) |
IT (1) | IT1032765B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2802553B1 (de) * | 1978-01-19 | 1979-01-18 | Siemens Ag | Niederspannungs-Leistungsschalter mit geteiltem Isolierstoffgehaeuse |
US4255732A (en) * | 1978-10-16 | 1981-03-10 | Westinghouse Electric Corp. | Current limiting circuit breaker |
NL176724C (nl) * | 1979-06-11 | 1985-05-17 | Hazemeijer Bv | Beveiligingsinrichting voor het selektief afschakelen van netgedeelten van een elektrisch energieverdeelnet, alsmede een energieverdeelnet voorzien van meerdere selectieve beveiligingsinrichtingen. |
DE3016435A1 (de) * | 1980-04-29 | 1981-11-19 | Christian Geyer GmbH & Co, 8500 Nürnberg | Elektrisches schaltgeraet |
GB9002678D0 (en) * | 1990-02-07 | 1990-04-04 | Mk Electric Ltd | Improvements in or relating to electric switches |
JPH0531491U (ja) * | 1991-09-27 | 1993-04-23 | アイワ株式会社 | インナーイヤヘツドホン |
DE102017129657A1 (de) * | 2017-07-10 | 2019-01-10 | Dehn + Söhne Gmbh + Co. Kg | Anordnung zur nicht-reversiblen Detektion und Anzeige von elektrischen Überströmen oder Stromgrenzwerten mittels eines vorkonfektionierten Leiters |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR657067A (fr) * | 1928-05-10 | 1929-05-16 | Perfectionnements aux dispositifs de soufflage des arcs électriques dans les disjoncteurs et les interrupteurs | |
CH136162A (de) * | 1928-11-07 | 1929-10-31 | Naether Ernst | Maximalstromschalter. |
US3068379A (en) * | 1957-04-11 | 1962-12-11 | Fed Pacific Electric Co | Circuit protective apparatus |
US3136921A (en) * | 1957-12-10 | 1964-06-09 | Westinghouse Electric Corp | Circuit breakers |
US3813619A (en) * | 1962-05-18 | 1974-05-28 | Gen Electric | Current-limiting circuit breaker |
-
1975
- 1975-04-17 CA CA225,213A patent/CA1043840A/en not_active Expired
- 1975-04-23 IE IE91075A patent/IE42983B1/en unknown
- 1975-04-23 GB GB1672175A patent/GB1511881A/en not_active Expired
- 1975-04-25 FR FR7512944A patent/FR2280188B1/fr not_active Expired
- 1975-04-28 IT IT6807675A patent/IT1032765B/it active
- 1975-04-29 DE DE19752519092 patent/DE2519092C2/de not_active Expired
- 1975-04-29 CH CH548775A patent/CH613809A5/xx not_active IP Right Cessation
- 1975-04-30 JP JP5245375A patent/JPS6237499B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IE42983B1 (en) | 1980-12-03 |
FR2280188A1 (fr) | 1976-02-20 |
JPS50149980A (zh) | 1975-12-01 |
AU8046275A (en) | 1976-10-28 |
IT1032765B (it) | 1979-06-20 |
FR2280188B1 (fr) | 1986-05-02 |
JPS6237499B2 (zh) | 1987-08-12 |
DE2519092C2 (de) | 1982-02-04 |
DE2519092A1 (de) | 1975-10-30 |
CH613809A5 (en) | 1979-10-15 |
IE42983L (en) | 1975-10-29 |
GB1511881A (en) | 1978-05-24 |
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