ZA94923B - An electric circuit breaker. - Google Patents
An electric circuit breaker.Info
- Publication number
- ZA94923B ZA94923B ZA94923A ZA94923A ZA94923B ZA 94923 B ZA94923 B ZA 94923B ZA 94923 A ZA94923 A ZA 94923A ZA 94923 A ZA94923 A ZA 94923A ZA 94923 B ZA94923 B ZA 94923B
- Authority
- ZA
- South Africa
- Prior art keywords
- tube
- pole piece
- core
- coil
- circuit breaker
- Prior art date
Links
- 239000000696 magnetic material Substances 0.000 abstract 2
- 230000000979 retarding effect Effects 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/34—Electromagnetic mechanisms having two or more armatures controlled by a common winding
- H01H71/345—Electromagnetic mechanisms having two or more armatures controlled by a common winding having a delayed movable core and a movable armature
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
- Relay Circuits (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Cookers (AREA)
- Electromagnets (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA934961 | 1993-07-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA94923B true ZA94923B (en) | 1994-08-24 |
Family
ID=25583026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA94923A ZA94923B (en) | 1993-07-09 | 1994-02-10 | An electric circuit breaker. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5343178A (fr) |
EP (1) | EP0633590B1 (fr) |
JP (1) | JPH0729477A (fr) |
CN (1) | CN1041469C (fr) |
AT (1) | ATE179023T1 (fr) |
DE (1) | DE69417810T2 (fr) |
ZA (1) | ZA94923B (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE189938T1 (de) * | 1994-01-17 | 2000-03-15 | Circuit Breaker Ind | Betätigungsvorrichtung für leistungsschalter |
US6034586A (en) * | 1998-10-21 | 2000-03-07 | Airpax Corporation, Llc | Parallel contact circuit breaker |
WO2006035519A1 (fr) | 2005-01-31 | 2006-04-06 | Ohno, Takemi | Disjoncteur de courant de fuite et méthode |
FR2858106B1 (fr) * | 2003-07-22 | 2005-09-23 | Hager Electro | Sous-ensemble magnetique ameliore et disjoncteur comportant un tel sous-ensemble magnetique |
FR2903223B1 (fr) * | 2006-06-29 | 2008-08-15 | Schneider Electric Ind Sas | Appareil de protection electrique commande par un dispositif de commande auxiliaire. |
US7864004B2 (en) * | 2006-12-29 | 2011-01-04 | General Electric Company | Activation for switching apparatus |
AT509279A1 (de) * | 2008-07-31 | 2011-07-15 | Moeller Gebaeudeautomation Gmbh | Schaltgerät |
AT511791A2 (de) * | 2011-08-12 | 2013-02-15 | Eaton Gmbh | Auslöser für einen schutzschalter |
CN104241050A (zh) * | 2014-09-24 | 2014-12-24 | 温州市新蓝天电器有限公司 | 断路器的油杯 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2764648A (en) * | 1953-05-22 | 1956-09-25 | Watford Electric & Mfg Company | Solenoid operated switch with dashpot |
US2919325A (en) * | 1957-10-08 | 1959-12-29 | Murray Mfg Corp | Magnetic overload relay |
US3337824A (en) * | 1963-12-09 | 1967-08-22 | Albert B Rypinski | Circuit breaker having dashpot type electro-magnetic core and simplified actuating linkage |
US3900810A (en) * | 1974-06-26 | 1975-08-19 | Texas Instruments Inc | Time delay capsule for magnetic circuit breaker |
US3959755A (en) * | 1974-12-13 | 1976-05-25 | Airpax Electronics Incorporated | Circuit breaker with improved delay |
US5053736A (en) * | 1988-09-02 | 1991-10-01 | Carlingswitch, Inc. | Molded split case electromagnetic circuit breaker assembly |
-
1993
- 1993-09-13 US US08/120,670 patent/US5343178A/en not_active Expired - Lifetime
-
1994
- 1994-02-10 ZA ZA94923A patent/ZA94923B/xx unknown
- 1994-02-18 AT AT94301167T patent/ATE179023T1/de not_active IP Right Cessation
- 1994-02-18 EP EP94301167A patent/EP0633590B1/fr not_active Expired - Lifetime
- 1994-02-18 DE DE69417810T patent/DE69417810T2/de not_active Expired - Fee Related
- 1994-04-15 CN CN94104579A patent/CN1041469C/zh not_active Expired - Fee Related
- 1994-04-19 JP JP6080380A patent/JPH0729477A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE69417810T2 (de) | 1999-08-12 |
CN1098551A (zh) | 1995-02-08 |
EP0633590B1 (fr) | 1999-04-14 |
CN1041469C (zh) | 1998-12-30 |
ATE179023T1 (de) | 1999-04-15 |
EP0633590A1 (fr) | 1995-01-11 |
JPH0729477A (ja) | 1995-01-31 |
DE69417810D1 (de) | 1999-05-20 |
US5343178A (en) | 1994-08-30 |
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