GB730978A - Improvements in automatic electric circuit breakers - Google Patents
Improvements in automatic electric circuit breakersInfo
- Publication number
- GB730978A GB730978A GB21929/52A GB2192952A GB730978A GB 730978 A GB730978 A GB 730978A GB 21929/52 A GB21929/52 A GB 21929/52A GB 2192952 A GB2192952 A GB 2192952A GB 730978 A GB730978 A GB 730978A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lever
- button
- spring
- contact
- circuit
- 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
- 230000000994 depressogenic effect Effects 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/48—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having both electrothermal and electromagnetic automatic release
- H01H73/56—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having both electrothermal and electromagnetic automatic release reset by push-button, pull-knob or slide
-
- 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
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/58—Manual reset mechanisms which may be also used for manual release actuated by push-button, pull-knob, or slide
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR730978X | 1952-02-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB730978A true GB730978A (en) | 1955-06-01 |
Family
ID=9116511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB21929/52A Expired GB730978A (en) | 1952-02-06 | 1952-09-01 | Improvements in automatic electric circuit breakers |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR1050580A (enrdf_load_stackoverflow) |
GB (1) | GB730978A (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR72062E (fr) * | 1957-06-14 | 1960-03-21 | Labinal Ets | Perfectionnements apportés aux appareils du genre des disjoncteurs |
US5179364A (en) * | 1990-08-02 | 1993-01-12 | Terry Marquardt | Overload relay |
-
0
- FR FR1050580D patent/FR1050580A/fr not_active Expired
-
1952
- 1952-09-01 GB GB21929/52A patent/GB730978A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1050580A (enrdf_load_stackoverflow) | 1954-01-08 |
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