FR1291809A - Improvements to circuit breakers, more specifically intended for protection against insulation faults - Google Patents
Improvements to circuit breakers, more specifically intended for protection against insulation faultsInfo
- Publication number
- FR1291809A FR1291809A FR857714A FR857714A FR1291809A FR 1291809 A FR1291809 A FR 1291809A FR 857714 A FR857714 A FR 857714A FR 857714 A FR857714 A FR 857714A FR 1291809 A FR1291809 A FR 1291809A
- Authority
- FR
- France
- Prior art keywords
- protection against
- circuit breakers
- specifically intended
- insulation faults
- against insulation
- 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
- 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
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
-
- 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
- H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
- H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
- H01H2083/045—Auxiliary switch opening testing circuit in synchronism with the main circuit
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DESCH27719A DE1123751B (en) | 1960-04-09 | 1960-04-09 | Circuit breakers, in particular circuit breakers |
| FR857714A FR1291809A (en) | 1961-03-31 | 1961-03-31 | Improvements to circuit breakers, more specifically intended for protection against insulation faults |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR857714A FR1291809A (en) | 1961-03-31 | 1961-03-31 | Improvements to circuit breakers, more specifically intended for protection against insulation faults |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1291809A true FR1291809A (en) | 1962-04-27 |
Family
ID=8752326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR857714A Expired FR1291809A (en) | 1960-04-09 | 1961-03-31 | Improvements to circuit breakers, more specifically intended for protection against insulation faults |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1291809A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD321339S (en) | 1989-09-28 | 1991-11-05 | Cooper Industries, Inc. | Firewall mount high AMP circuit breaker |
-
1961
- 1961-03-31 FR FR857714A patent/FR1291809A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD321339S (en) | 1989-09-28 | 1991-11-05 | Cooper Industries, Inc. | Firewall mount high AMP circuit breaker |
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