EP0177437A3 - Contact assembly for a power circuit breaker with current-dependant break - Google Patents
Contact assembly for a power circuit breaker with current-dependant break Download PDFInfo
- Publication number
- EP0177437A3 EP0177437A3 EP85730126A EP85730126A EP0177437A3 EP 0177437 A3 EP0177437 A3 EP 0177437A3 EP 85730126 A EP85730126 A EP 85730126A EP 85730126 A EP85730126 A EP 85730126A EP 0177437 A3 EP0177437 A3 EP 0177437A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- dependant
- break
- current
- circuit breaker
- power 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
- 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
- H01H77/104—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 with a stable blow-off position
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US656150 | 1984-09-28 | ||
US06/656,150 US4594567A (en) | 1984-09-28 | 1984-09-28 | Circuit breaker contact arm assembly having a magnetic carrier |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0177437A2 EP0177437A2 (en) | 1986-04-09 |
EP0177437A3 true EP0177437A3 (en) | 1987-08-19 |
EP0177437B1 EP0177437B1 (en) | 1989-12-06 |
Family
ID=24631854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85730126A Expired EP0177437B1 (en) | 1984-09-28 | 1985-09-17 | Contact assembly for a power circuit breaker with current-dependent break |
Country Status (5)
Country | Link |
---|---|
US (1) | US4594567A (en) |
EP (1) | EP0177437B1 (en) |
JP (1) | JPS6185742A (en) |
CA (1) | CA1241684A (en) |
DE (1) | DE3574649D1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3637913A1 (en) * | 1986-11-06 | 1988-05-19 | Licentia Gmbh | CURRENT ELECTRICAL SWITCHGEAR |
US5361051A (en) * | 1988-12-16 | 1994-11-01 | Siemens Energy & Automation, Inc. | Pivoting circuit breaker contact arm assembly |
US5585609A (en) * | 1994-09-28 | 1996-12-17 | Siemens Energy & Automation, Inc. | Circuit breaker with movable main contact multi-force-level biasing element |
US5994988A (en) * | 1997-09-23 | 1999-11-30 | Siemens Energy & Automation, Inc. | Movable contact structure for a circuit breaker, including crossbar and spring biased cam mechanism |
US5926081A (en) * | 1997-09-23 | 1999-07-20 | Siemens Energy & Automation, Inc. | Circuit breaker having a cam structure which aids blow open operation |
US6252480B1 (en) * | 2000-02-18 | 2001-06-26 | Siemens Energy & Automation, Inc. | Moving contact and crossbar assembly for a molded case circuit breaker |
US6563407B2 (en) | 2001-08-21 | 2003-05-13 | Siemens Energy & Automation, Inc. | Pivot joint for a movable contact arm in a molded case circuit breaker |
ITBG20060053A1 (en) | 2006-10-13 | 2008-04-14 | Abb Service Srl | LOW VOLTAGE DEVICE WITH MOBILE CREW WITH HIGH ELECTRODYNAMIC SEALING |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2128633A1 (en) * | 1971-06-09 | 1973-01-04 | Bbc Brown Boveri & Cie | SELF-SWITCH WITH MAGNETIC AND ELECTRODYNAMIC SHORT-CIRCUIT RELEASE |
EP0004801A2 (en) * | 1978-03-31 | 1979-10-17 | Merlin Gerin | Circuit breaker with an electromagnetic device for a fast opening operation of the movable contact |
US4409573A (en) * | 1981-04-23 | 1983-10-11 | Siemens-Allis, Inc. | Electromagnetically actuated anti-rebound latch |
DE3411275A1 (en) * | 1983-03-28 | 1984-10-04 | Siemens-Allis, Inc., Atlanta, Ga. | CIRCUIT BREAKER |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2185853B1 (en) * | 1972-05-26 | 1977-12-30 | Merlin Gerin | |
US3887888A (en) * | 1973-04-04 | 1975-06-03 | Arrow Hart Inc | High current switch |
-
1984
- 1984-09-28 US US06/656,150 patent/US4594567A/en not_active Expired - Lifetime
-
1985
- 1985-08-30 CA CA000489765A patent/CA1241684A/en not_active Expired
- 1985-09-17 EP EP85730126A patent/EP0177437B1/en not_active Expired
- 1985-09-17 DE DE8585730126T patent/DE3574649D1/en not_active Expired - Fee Related
- 1985-09-27 JP JP60214448A patent/JPS6185742A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2128633A1 (en) * | 1971-06-09 | 1973-01-04 | Bbc Brown Boveri & Cie | SELF-SWITCH WITH MAGNETIC AND ELECTRODYNAMIC SHORT-CIRCUIT RELEASE |
EP0004801A2 (en) * | 1978-03-31 | 1979-10-17 | Merlin Gerin | Circuit breaker with an electromagnetic device for a fast opening operation of the movable contact |
US4409573A (en) * | 1981-04-23 | 1983-10-11 | Siemens-Allis, Inc. | Electromagnetically actuated anti-rebound latch |
DE3411275A1 (en) * | 1983-03-28 | 1984-10-04 | Siemens-Allis, Inc., Atlanta, Ga. | CIRCUIT BREAKER |
Also Published As
Publication number | Publication date |
---|---|
EP0177437B1 (en) | 1989-12-06 |
JPS6185742A (en) | 1986-05-01 |
DE3574649D1 (en) | 1990-01-11 |
US4594567A (en) | 1986-06-10 |
CA1241684A (en) | 1988-09-06 |
EP0177437A2 (en) | 1986-04-09 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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