GB396237A - Improvements in or relating to electric switches - Google Patents
Improvements in or relating to electric switchesInfo
- Publication number
- GB396237A GB396237A GB25732/32A GB2573232A GB396237A GB 396237 A GB396237 A GB 396237A GB 25732/32 A GB25732/32 A GB 25732/32A GB 2573232 A GB2573232 A GB 2573232A GB 396237 A GB396237 A GB 396237A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coils
- circuit
- breaker
- cut
- supply
- 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
- 230000007935 neutral effect Effects 0.000 abstract 6
- 238000004804 winding Methods 0.000 abstract 2
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
Classifications
-
- 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
-
- 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
Landscapes
- Breakers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE396237X | 1931-09-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB396237A true GB396237A (en) | 1933-08-03 |
Family
ID=6396985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB25732/32A Expired GB396237A (en) | 1931-09-15 | 1932-09-15 | Improvements in or relating to electric switches |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR742846A (enrdf_load_stackoverflow) |
| GB (1) | GB396237A (enrdf_load_stackoverflow) |
-
0
- FR FR742846D patent/FR742846A/fr not_active Expired
-
1932
- 1932-09-15 GB GB25732/32A patent/GB396237A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR742846A (enrdf_load_stackoverflow) | 1933-03-17 |
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