FR51132E - Perfectionnements aux relais - Google Patents
Perfectionnements aux relaisInfo
- Publication number
- FR51132E FR51132E FR51132DA FR51132E FR 51132 E FR51132 E FR 51132E FR 51132D A FR51132D A FR 51132DA FR 51132 E FR51132 E FR 51132E
- Authority
- FR
- France
- Prior art keywords
- relays
- 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.)
- Expired
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
- H02H3/42—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 product of voltage and current
- H02H3/425—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 product of voltage and current using phase sequence analysing arrangements
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR51132T | 1939-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR51132E true FR51132E (fr) | 1941-08-08 |
Family
ID=8686040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR51132D Expired FR51132E (fr) | 1939-11-30 | 1939-11-30 | Perfectionnements aux relais |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR51132E (fr) |
-
1939
- 1939-11-30 FR FR51132D patent/FR51132E/fr not_active Expired
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