JPS5712491B2 - - Google Patents
Info
- Publication number
- JPS5712491B2 JPS5712491B2 JP4855575A JP4855575A JPS5712491B2 JP S5712491 B2 JPS5712491 B2 JP S5712491B2 JP 4855575 A JP4855575 A JP 4855575A JP 4855575 A JP4855575 A JP 4855575A JP S5712491 B2 JPS5712491 B2 JP S5712491B2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
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
-
- 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
- H02H3/021—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order
-
- 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
- H02H3/05—Details with means for increasing reliability, e.g. redundancy arrangements
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742420465 DE2420465C3 (de) | 1974-04-24 | Elektrischer Leistungsschalter mit einem ersten und einem zweiten Sekundärauslöser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50146879A JPS50146879A (enExample) | 1975-11-25 |
| JPS5712491B2 true JPS5712491B2 (enExample) | 1982-03-11 |
Family
ID=5914135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4855575A Expired JPS5712491B2 (enExample) | 1974-04-24 | 1975-04-21 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5712491B2 (enExample) |
| CH (1) | CH578248A5 (enExample) |
| FR (1) | FR2269188A1 (enExample) |
| SE (1) | SE7504687L (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL192415C (nl) * | 1989-08-25 | 1997-07-04 | H A Hoeflake Electrotechniek B | Beveiligingssysteem voor lange, relatief licht belaste sterkstroomleidingen of -kabels. |
-
1975
- 1975-03-11 FR FR7507611A patent/FR2269188A1/fr not_active Withdrawn
- 1975-04-11 CH CH460575A patent/CH578248A5/xx not_active IP Right Cessation
- 1975-04-21 JP JP4855575A patent/JPS5712491B2/ja not_active Expired
- 1975-04-23 SE SE7504687A patent/SE7504687L/ not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2269188A1 (en) | 1975-11-21 |
| DE2420465B2 (de) | 1976-04-08 |
| SE7504687L (sv) | 1975-10-27 |
| CH578248A5 (enExample) | 1976-07-30 |
| DE2420465A1 (de) | 1975-10-30 |
| JPS50146879A (enExample) | 1975-11-25 |