IT7826862A0 - Interruttore elettrico diprotezione contro correnti di difetto. - Google Patents
Interruttore elettrico diprotezione contro correnti di difetto.Info
- Publication number
- IT7826862A0 IT7826862A0 IT7826862A IT2686278A IT7826862A0 IT 7826862 A0 IT7826862 A0 IT 7826862A0 IT 7826862 A IT7826862 A IT 7826862A IT 2686278 A IT2686278 A IT 2686278A IT 7826862 A0 IT7826862 A0 IT 7826862A0
- Authority
- IT
- Italy
- Prior art keywords
- protection against
- electric switch
- fault currents
- against fault
- currents
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Breakers (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU78012A LU78012A1 (de) | 1977-08-22 | 1977-08-22 | Fehlerstromschutzschalter |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7826862A0 true IT7826862A0 (it) | 1978-08-21 |
IT1098158B IT1098158B (it) | 1985-09-07 |
Family
ID=19728682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT26862/78A IT1098158B (it) | 1977-08-22 | 1978-08-21 | Interruttore elettrico di protezione contro correnti di difetto |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0006894B1 (it) |
JP (1) | JPS5453275A (it) |
DE (1) | DE2860745D1 (it) |
IT (1) | IT1098158B (it) |
LU (1) | LU78012A1 (it) |
WO (1) | WO1979000105A1 (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU79817A1 (de) * | 1978-06-15 | 1980-01-22 | N Gath | Fehlerstromschutzschalter |
KR101153117B1 (ko) * | 2011-02-25 | 2012-06-04 | 엘에스산전 주식회사 | 누전 차단기 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3165671A (en) * | 1960-08-10 | 1965-01-12 | Thompson Ramo Wooldridge Inc | Polyphase control device |
CH406365A (de) * | 1963-04-08 | 1966-01-31 | Dresden Elektroschaltgeraete | Auslöseeinrichtung für verklinkbare Schalter |
US3302146A (en) * | 1965-03-02 | 1967-01-31 | Ite Circuit Breaker Ltd | Rotary armature flux shifting device |
FR2370354A1 (fr) * | 1976-11-05 | 1978-06-02 | Metalimphy | Declencheur differentiel polarise |
-
1977
- 1977-08-22 LU LU78012A patent/LU78012A1/de unknown
-
1978
- 1978-08-18 WO PCT/EP1978/000012 patent/WO1979000105A1/de unknown
- 1978-08-18 DE DE7878900088T patent/DE2860745D1/de not_active Expired
- 1978-08-18 EP EP78900088A patent/EP0006894B1/de not_active Expired
- 1978-08-21 IT IT26862/78A patent/IT1098158B/it active
- 1978-08-22 JP JP10224478A patent/JPS5453275A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2860745D1 (en) | 1981-09-10 |
EP0006894A1 (de) | 1980-01-23 |
IT1098158B (it) | 1985-09-07 |
EP0006894B1 (de) | 1981-06-03 |
WO1979000105A1 (en) | 1979-03-08 |
LU78012A1 (de) | 1979-04-09 |
JPS5453275A (en) | 1979-04-26 |
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