FR855222A - Dispositif de protection contre la foudre ou les surtensions - Google Patents
Dispositif de protection contre la foudre ou les surtensionsInfo
- Publication number
- FR855222A FR855222A FR855222DA FR855222A FR 855222 A FR855222 A FR 855222A FR 855222D A FR855222D A FR 855222DA FR 855222 A FR855222 A FR 855222A
- Authority
- FR
- France
- Prior art keywords
- lightning
- protection device
- surge protection
- surge
- protection
- 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
- H02H3/20—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 voltage
- H02H3/205—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 voltage using a spark-gap as detector
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR855222T | 1939-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR855222A true FR855222A (fr) | 1940-05-06 |
Family
ID=9328153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR855222D Expired FR855222A (fr) | 1939-05-24 | 1939-05-24 | Dispositif de protection contre la foudre ou les surtensions |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR855222A (fr) |
-
1939
- 1939-05-24 FR FR855222D patent/FR855222A/fr not_active Expired
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