FR52281E - Device for monitoring or indicating the operating state of protective devices, more particularly circuit breakers in current distribution installations - Google Patents
Device for monitoring or indicating the operating state of protective devices, more particularly circuit breakers in current distribution installationsInfo
- Publication number
- FR52281E FR52281E FR52281DA FR52281E FR 52281 E FR52281 E FR 52281E FR 52281D A FR52281D A FR 52281DA FR 52281 E FR52281 E FR 52281E
- Authority
- FR
- France
- Prior art keywords
- monitoring
- indicating
- operating state
- circuit breakers
- current distribution
- 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
- H02H3/02—Details
- H02H3/05—Details with means for increasing reliability, e.g. redundancy arrangements
-
- 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
- H02H3/046—Signalling the blowing of a fuse
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE441634X | 1940-06-06 | ||
DE231781X | 1941-07-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR52281E true FR52281E (en) | 1943-12-01 |
Family
ID=5877505
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR872883D Expired FR872883A (en) | 1940-06-06 | 1941-06-05 | Device for monitoring or indicating the operating state of protective devices, more particularly circuit breakers in current distribution installations |
FR52281D Expired FR52281E (en) | 1940-06-06 | 1942-06-08 | Device for monitoring or indicating the operating state of protective devices, more particularly circuit breakers in current distribution installations |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR872883D Expired FR872883A (en) | 1940-06-06 | 1941-06-05 | Device for monitoring or indicating the operating state of protective devices, more particularly circuit breakers in current distribution installations |
Country Status (3)
Country | Link |
---|---|
BE (2) | BE441634A (en) |
CH (1) | CH231781A (en) |
FR (2) | FR872883A (en) |
-
1941
- 1941-06-05 FR FR872883D patent/FR872883A/en not_active Expired
- 1941-06-05 BE BE441634D patent/BE441634A/xx unknown
-
1942
- 1942-06-08 FR FR52281D patent/FR52281E/en not_active Expired
- 1942-06-20 CH CH231781D patent/CH231781A/en unknown
- 1942-06-24 BE BE446108D patent/BE446108A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR872883A (en) | 1942-06-22 |
BE446108A (en) | 1942-07-31 |
CH231781A (en) | 1944-04-15 |
BE441634A (en) | 1941-07-31 |
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