GB756764A - Improvements in and relating to electric circuit breakers - Google Patents
Improvements in and relating to electric circuit breakersInfo
- Publication number
- GB756764A GB756764A GB8807/54A GB880754A GB756764A GB 756764 A GB756764 A GB 756764A GB 8807/54 A GB8807/54 A GB 8807/54A GB 880754 A GB880754 A GB 880754A GB 756764 A GB756764 A GB 756764A
- Authority
- GB
- United Kingdom
- Prior art keywords
- screw
- plunger
- plate
- circuit breakers
- keeper
- 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
- 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
- H01H73/60—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 cartridge type, e.g. screw-in cartridge
-
- 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
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H71/7427—Adjusting only the electrothermal mechanism
Landscapes
- Breakers (AREA)
- Thermally Actuated Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US350455A US2694122A (en) | 1953-04-22 | 1953-04-22 | Electric circuit breaker |
Publications (1)
Publication Number | Publication Date |
---|---|
GB756764A true GB756764A (en) | 1956-09-12 |
Family
ID=23376797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8807/54A Expired GB756764A (en) | 1953-04-22 | 1954-03-25 | Improvements in and relating to electric circuit breakers |
Country Status (7)
Country | Link |
---|---|
US (1) | US2694122A (de) |
CH (1) | CH318051A (de) |
DE (1) | DE971628C (de) |
ES (1) | ES214844A1 (de) |
FR (1) | FR1097554A (de) |
GB (1) | GB756764A (de) |
NL (2) | NL89251C (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2859304A (en) * | 1954-07-09 | 1958-11-04 | Ite Circuit Breaker Ltd | Circuit breaker |
US2809255A (en) * | 1955-04-12 | 1957-10-08 | Westinghouse Electric Corp | Circuit breaker |
US2844690A (en) * | 1956-09-17 | 1958-07-22 | Dominick A Lombardo | Circuit breaker for individual circuits |
US2958748A (en) * | 1959-04-27 | 1960-11-01 | Cts Corp | Combination electrical control |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE496251C (de) * | 1928-07-01 | 1930-04-17 | Wilhelm Leyhausen | Thermische Ausloesevorrichtung fuer elektrische Schalter |
DE538849C (de) * | 1930-09-23 | 1931-11-19 | Siemens Schuckertwerke Akt Ges | Waermeausloeser mit unmittelbarer Heizung |
DE649003C (de) * | 1934-12-21 | 1937-08-12 | Aeg | Installationsselbstschalter mit einer Druckknopf-Klinkenfreiausloesung |
US2214695A (en) * | 1938-03-19 | 1940-09-10 | Westinghouse Electric & Mfg Co | Circuit breaker |
US2388617A (en) * | 1943-05-17 | 1945-11-06 | Line Material Co | Switch construction |
US2418537A (en) * | 1944-01-07 | 1947-04-08 | Morris B Wood | Electric circuit breaker |
US2624816A (en) * | 1945-05-09 | 1953-01-06 | Westinghouse Electric Corp | Circuit breaker |
US2501363A (en) * | 1946-07-20 | 1950-03-21 | Westinghouse Electric Corp | Shock-resisting thermallyresponsive device |
NL143732B (nl) * | 1947-12-10 | Itt | Werkwijze voor het beschermen van een halfgeleiderlichaam met een p,n-overgang en halfgeleiderlichaam vervaardigd volgens de werkwijze. | |
US2573306A (en) * | 1948-08-11 | 1951-10-30 | Gen Electric | Electric circuit breaker |
DE1632535U (de) * | 1948-10-01 | 1951-12-20 | Ellenberger & Poensgen | Installationsselbstschalter. |
DE836965C (de) * | 1950-03-22 | 1952-04-17 | Elektrotechnische Spezialfabri | Selbstschalter, insbesondere in Stoepselform |
-
0
- NL NLAANVRAGE7712728,A patent/NL186856B/xx unknown
- NL NL89251D patent/NL89251C/xx active
-
1953
- 1953-04-22 US US350455A patent/US2694122A/en not_active Expired - Lifetime
-
1954
- 1954-03-25 GB GB8807/54A patent/GB756764A/en not_active Expired
- 1954-04-03 FR FR1097554D patent/FR1097554A/fr not_active Expired
- 1954-04-11 DE DEM22708A patent/DE971628C/de not_active Expired
- 1954-04-21 CH CH318051D patent/CH318051A/fr unknown
- 1954-04-21 ES ES0214844A patent/ES214844A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES214844A1 (es) | 1954-06-01 |
DE971628C (de) | 1959-03-05 |
FR1097554A (fr) | 1955-07-07 |
NL89251C (de) | |
NL186856B (nl) | |
CH318051A (fr) | 1956-12-15 |
US2694122A (en) | 1954-11-09 |
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