CA432267A - Overload relay - Google Patents
Overload relayInfo
- Publication number
- CA432267A CA432267A CA432267A CA432267DA CA432267A CA 432267 A CA432267 A CA 432267A CA 432267 A CA432267 A CA 432267A CA 432267D A CA432267D A CA 432267DA CA 432267 A CA432267 A CA 432267A
- Authority
- CA
- Canada
- Prior art keywords
- overload relay
- overload
- relay
- 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
- H01H71/14—Electrothermal mechanisms
- H01H71/22—Electrothermal mechanisms with compensation for variation of ambient temperature
-
- 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
- H01H71/14—Electrothermal mechanisms
- H01H71/142—Electrothermal mechanisms actuated due to change of magnetic permeability
-
- 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
- H01H71/40—Combined electrothermal and electromagnetic mechanisms
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Breakers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US347636A US2347018A (en) | 1940-07-26 | 1940-07-26 | Overload relay |
Publications (1)
Publication Number | Publication Date |
---|---|
CA432267A true CA432267A (en) | 1946-01-01 |
Family
ID=23364576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA432267A Expired CA432267A (en) | 1940-07-26 | Overload relay |
Country Status (3)
Country | Link |
---|---|
US (1) | US2347018A (en) |
CA (1) | CA432267A (en) |
DE (2) | DE969872C (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2781433A (en) * | 1950-12-23 | 1957-02-12 | Heinemann Electric Co | Electro-magnetic circuit breaker |
US2953723A (en) * | 1957-05-08 | 1960-09-20 | Texas Instruments Inc | Control device |
DE1121188B (en) * | 1959-06-20 | 1962-01-04 | Sursum Elek Zitaets Ges Leyhau | Device for protection against electrical overcurrents |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE452520C (en) * | 1927-11-15 | Aeg | Thermal switching device | |
FR588469A (en) * | 1923-12-10 | 1925-05-07 | Asea Ab | Time relay |
GB295039A (en) * | 1927-08-05 | 1929-04-25 | Gen Electric | Improvements in or relating to thermo-magnetic relays |
DE525939C (en) * | 1929-05-04 | 1931-05-30 | Kloeckner Komm Ges F | Overcurrent release device for alternating current with a thermal time release and with an instantaneous electromagnetic quick release |
DE647747C (en) * | 1933-03-04 | 1937-07-12 | Siemens Schuckertwerke Akt Ges | Device for triggering switching processes influenced by heat |
DE649369C (en) * | 1933-10-31 | 1937-08-23 | Landis & Gyr Ag | Electromagnetic trigger for automatic switch that responds immediately in the event of a short circuit and with a delay in the event of overcurrent |
-
0
- CA CA432267A patent/CA432267A/en not_active Expired
-
1940
- 1940-07-26 US US347636A patent/US2347018A/en not_active Expired - Lifetime
-
1941
- 1941-01-25 DE DES31754A patent/DE969872C/en not_active Expired
- 1941-07-27 DE DES9895D patent/DE970329C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE969872C (en) | 1958-07-24 |
DE970329C (en) | 1958-09-11 |
US2347018A (en) | 1944-04-18 |
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