ZA895150B - Circuit breaker - Google Patents
Circuit breakerInfo
- Publication number
- ZA895150B ZA895150B ZA895150A ZA895150A ZA895150B ZA 895150 B ZA895150 B ZA 895150B ZA 895150 A ZA895150 A ZA 895150A ZA 895150 A ZA895150 A ZA 895150A ZA 895150 B ZA895150 B ZA 895150B
- Authority
- ZA
- South Africa
- Prior art keywords
- circuit breaker
- breaker
- circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
- H02H1/0069—Details of emergency protective circuit arrangements concerning transmission of signals by means of light or heat rays
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63168996A JPH0223021A (ja) | 1988-07-08 | 1988-07-08 | 回路しや断器 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA895150B true ZA895150B (en) | 1990-07-25 |
Family
ID=15878419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA895150A ZA895150B (en) | 1988-07-08 | 1989-07-06 | Circuit breaker |
Country Status (5)
Country | Link |
---|---|
US (1) | US5086367A (ko) |
EP (1) | EP0350028A3 (ko) |
JP (1) | JPH0223021A (ko) |
KR (1) | KR910008531B1 (ko) |
ZA (1) | ZA895150B (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5448442A (en) * | 1988-06-22 | 1995-09-05 | Siemens Energy & Automation, Inc. | Motor controller with instantaneous trip protection |
US5386183A (en) * | 1990-01-03 | 1995-01-31 | Siemens Energy & Automation, Inc. | Method and apparatus for sensing a ground fault in a motor control system |
US5638051A (en) * | 1991-10-25 | 1997-06-10 | Siemens Aktiengesellschaft | Method and apparatus for monitoring an electrical drive |
JP2857529B2 (ja) * | 1992-03-04 | 1999-02-17 | 三菱電機株式会社 | 回路遮断器 |
JP2981059B2 (ja) * | 1992-09-16 | 1999-11-22 | 株式会社日立製作所 | 回路遮断器 |
FR2700076B1 (fr) * | 1992-12-28 | 1995-03-17 | Merlin Gerin | Déclencheur électronique comportant un dispositif de test. |
DE10054436A1 (de) * | 2000-10-26 | 2002-05-08 | Siemens Ag | Niederspannungs-Leistungsschalter mit einem Bemessungsstromstecker |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3775675A (en) * | 1972-06-15 | 1973-11-27 | Westinghouse Electric Corp | Apparatus for indicating when current exceeds a predetermined level and when said level is exceeded for a predetermined period of time |
US4193104A (en) * | 1977-12-28 | 1980-03-11 | Kepco, Inc. | Programmable overvoltage protector |
US4335437A (en) * | 1980-04-15 | 1982-06-15 | Westinghouse Electric Corp. | Circuit interrupter with energy management functions |
IT1128668B (it) * | 1980-07-29 | 1986-06-04 | Bruno Basini | Indicatore elettronico della corrente assorbita espressa in valore percentuale rispetto ad un limite prefissato superando il quale si attiva un allarme acustico |
FR2497013A1 (fr) * | 1980-12-19 | 1982-06-25 | Merlin Gerin | Dispositif de delestage d'une installation electrique basse tension |
US4558310A (en) * | 1982-09-29 | 1985-12-10 | Mcallise Raymond J | Current sensing device and monitor |
FR2564648B1 (fr) * | 1984-05-21 | 1989-10-13 | Merlin Gerin | Disjoncteur a declencheur electronique et a calibres multiples |
DE3501353A1 (de) * | 1985-01-17 | 1986-07-17 | Greiwe, Hermann | Geraet zur feststellung eines fehlerstroms |
US4713718A (en) * | 1987-03-31 | 1987-12-15 | Westinghouse Electric Corp. | Microprocessor based motor protective relay with maximum number of starts per time interval limiter |
KR910002069B1 (ko) * | 1987-04-30 | 1991-04-01 | 미쓰비시전기 주식회사 | 회로차단기 |
-
1988
- 1988-07-08 JP JP63168996A patent/JPH0223021A/ja active Pending
- 1988-12-20 KR KR1019880017022A patent/KR910008531B1/ko not_active IP Right Cessation
-
1989
- 1989-07-06 EP EP89112357A patent/EP0350028A3/en not_active Withdrawn
- 1989-07-06 ZA ZA895150A patent/ZA895150B/xx unknown
-
1990
- 1990-12-03 US US07/620,445 patent/US5086367A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0350028A2 (en) | 1990-01-10 |
JPH0223021A (ja) | 1990-01-25 |
EP0350028A3 (en) | 1990-08-01 |
KR910008531B1 (ko) | 1991-10-18 |
KR900002378A (ko) | 1990-02-28 |
US5086367A (en) | 1992-02-04 |
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