GB406694A - Improvements in and relating to electric switches with freehandle automatic release - Google Patents
Improvements in and relating to electric switches with freehandle automatic releaseInfo
- Publication number
- GB406694A GB406694A GB2367932A GB2367932A GB406694A GB 406694 A GB406694 A GB 406694A GB 2367932 A GB2367932 A GB 2367932A GB 2367932 A GB2367932 A GB 2367932A GB 406694 A GB406694 A GB 406694A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lever
- switch
- levers
- spring
- plate
- 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
- 238000004804 winding Methods 0.000 abstract 4
- 238000010276 construction Methods 0.000 abstract 1
- 230000000994 depressogenic effect Effects 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000001681 protective effect 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
- H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
- H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
-
- 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
- H02H3/044—Checking correct functioning of protective arrangements, e.g. by simulating a fault
Landscapes
- Breakers (AREA)
- Switch Cases, Indication, And Locking (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DENDAT597338D DE597338C (enrdf_load_stackoverflow) | 1932-08-24 | ||
DEF73290D DE590216C (de) | 1932-04-23 | 1932-04-23 | Schutzschalter mit Fehlerstromspule und Pruefeinrichtung |
GB2367932A GB406694A (en) | 1932-08-24 | 1932-08-24 | Improvements in and relating to electric switches with freehandle automatic release |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2367932A GB406694A (en) | 1932-08-24 | 1932-08-24 | Improvements in and relating to electric switches with freehandle automatic release |
Publications (1)
Publication Number | Publication Date |
---|---|
GB406694A true GB406694A (en) | 1934-02-26 |
Family
ID=10199507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2367932A Expired GB406694A (en) | 1932-04-23 | 1932-08-24 | Improvements in and relating to electric switches with freehandle automatic release |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE597338C (enrdf_load_stackoverflow) |
GB (1) | GB406694A (enrdf_load_stackoverflow) |
-
0
- DE DENDAT597338D patent/DE597338C/de active Active
-
1932
- 1932-08-24 GB GB2367932A patent/GB406694A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE597338C (enrdf_load_stackoverflow) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2692926A (en) | Multipole circuit breaker | |
USRE22559E (en) | Front operated switch | |
GB242664A (en) | Improvements in or relating to electro-magnetic cut-outs | |
GB406694A (en) | Improvements in and relating to electric switches with freehandle automatic release | |
US2229981A (en) | Electric switch | |
GB931991A (en) | Improvements in snap-acting electric switches | |
GB1270772A (en) | Electric switch | |
GB753754A (en) | Improvements in and relating to driving mechanisms for electric circuit breakers | |
US1974310A (en) | Electric switch | |
US1950162A (en) | Electric switch | |
US2835765A (en) | Circuit breaker | |
US1563160A (en) | Electric switch | |
US1612552A (en) | Circuit-interrupting system | |
US2811615A (en) | Double throw switch | |
US2450600A (en) | Overload protective device | |
US2224848A (en) | Electric switch | |
US1663680A (en) | Electric switch | |
US2440937A (en) | Bimetallic circuit breaker | |
US2068069A (en) | Electric switch | |
US2249717A (en) | Impulse sending device | |
US2018904A (en) | Circuit breaker | |
US2304638A (en) | Circuit interrupter | |
GB513143A (en) | Improvements in and connected with trip-operated mechanism for electric switches | |
GB1280131A (en) | Moulded-case circuit breaker with improved double-latch mechanism | |
GB793811A (en) | Solenoid-actuated electric switch |