EP0232473A3 - A circuit breaker - Google Patents
A circuit breaker Download PDFInfo
- Publication number
- EP0232473A3 EP0232473A3 EP86115277A EP86115277A EP0232473A3 EP 0232473 A3 EP0232473 A3 EP 0232473A3 EP 86115277 A EP86115277 A EP 86115277A EP 86115277 A EP86115277 A EP 86115277A EP 0232473 A3 EP0232473 A3 EP 0232473A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit breaker
- breaker
- circuit
- 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
Links
Classifications
-
- 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
- H01H73/04—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
- 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
-
- 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
- H01H2077/025—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 pneumatic means, e.g. by arc pressure
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP86115277A EP0232473B1 (en) | 1981-03-12 | 1982-03-12 | A circuit breaker |
Applications Claiming Priority (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981035554U JPH0218516Y2 (en) | 1981-03-12 | 1981-03-12 | |
JP3555281U JPS57147548U (en) | 1981-03-12 | 1981-03-12 | |
JP35555/81U | 1981-03-12 | ||
JP3555681U JPS57147552U (en) | 1981-03-12 | 1981-03-12 | |
JP35556/81U | 1981-03-12 | ||
JP35552/81U | 1981-03-12 | ||
JP3555781U JPS57147553U (en) | 1981-03-12 | 1981-03-12 | |
JP3555581U JPS57147551U (en) | 1981-03-12 | 1981-03-12 | |
JP35554/81U | 1981-03-12 | ||
JP35557/81U | 1981-03-12 | ||
EP86115277A EP0232473B1 (en) | 1981-03-12 | 1982-03-12 | A circuit breaker |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82102015.3 Division | 1982-03-12 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0232473A2 EP0232473A2 (en) | 1987-08-19 |
EP0232473A3 true EP0232473A3 (en) | 1987-09-09 |
EP0232473B1 EP0232473B1 (en) | 1991-05-29 |
Family
ID=27545382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86115277A Expired - Lifetime EP0232473B1 (en) | 1981-03-12 | 1982-03-12 | A circuit breaker |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP0232473B1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3127488A (en) * | 1960-07-18 | 1964-03-31 | Ite Circuit Breaker Ltd | Current limiting circuit breaker having both contacts movable |
US3402273A (en) * | 1965-12-01 | 1968-09-17 | Ite Circuit Breaker Ltd | Arc chamber for circuit breakers |
DE1765050B2 (en) * | 1968-03-26 | 1976-08-05 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | ELECTRICAL CONTACT OR ELECTRODE ARRANGEMENT FOR THE FIXED STABILIZATION OF THE ARC FLOOR POINTS AND TO REDUCE THE BURN-ON LOSS |
US3997746A (en) * | 1974-04-23 | 1976-12-14 | Airpax Electronics, Incorporated | Circuit breaker with arc chamber screen |
EP0054833A1 (en) * | 1980-12-09 | 1982-06-30 | Mitsubishi Denki Kabushiki Kaisha | Arc restricting device for a circuit breaker |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5848979B2 (en) * | 1978-08-10 | 1983-11-01 | 富士電機株式会社 | circuit break |
-
1982
- 1982-03-12 EP EP86115277A patent/EP0232473B1/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3127488A (en) * | 1960-07-18 | 1964-03-31 | Ite Circuit Breaker Ltd | Current limiting circuit breaker having both contacts movable |
US3402273A (en) * | 1965-12-01 | 1968-09-17 | Ite Circuit Breaker Ltd | Arc chamber for circuit breakers |
DE1765050B2 (en) * | 1968-03-26 | 1976-08-05 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | ELECTRICAL CONTACT OR ELECTRODE ARRANGEMENT FOR THE FIXED STABILIZATION OF THE ARC FLOOR POINTS AND TO REDUCE THE BURN-ON LOSS |
US3997746A (en) * | 1974-04-23 | 1976-12-14 | Airpax Electronics, Incorporated | Circuit breaker with arc chamber screen |
EP0054833A1 (en) * | 1980-12-09 | 1982-06-30 | Mitsubishi Denki Kabushiki Kaisha | Arc restricting device for a circuit breaker |
Also Published As
Publication number | Publication date |
---|---|
EP0232473A2 (en) | 1987-08-19 |
EP0232473B1 (en) | 1991-05-29 |
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