CH251238A - Uberlastzeitrelais zur Überwachung von technischen Betriebsgrössen, insbesondere zur Überwachung des Laststromes von elektrischen Apparaten oder Maschinen. - Google Patents
Uberlastzeitrelais zur Überwachung von technischen Betriebsgrössen, insbesondere zur Überwachung des Laststromes von elektrischen Apparaten oder Maschinen.Info
- Publication number
- CH251238A CH251238A CH251238DA CH251238A CH 251238 A CH251238 A CH 251238A CH 251238D A CH251238D A CH 251238DA CH 251238 A CH251238 A CH 251238A
- Authority
- CH
- Switzerland
- Prior art keywords
- thermal
- overload time
- monitoring
- overload
- time relay
- Prior art date
Links
Classifications
-
- 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
- H02H3/08—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 responsive to excess current
- H02H3/085—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 responsive to excess current making use of a thermal sensor, e.g. thermistor, heated by the excess current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H43/00—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed
- H01H43/30—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to thermal action
- H01H43/301—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to thermal action based on the expansion or contraction of a material
- H01H43/302—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to thermal action based on the expansion or contraction of a material of solid bodies
- H01H43/304—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to thermal action based on the expansion or contraction of a material of solid bodies of two bodies expanding or contracting in a different manner, e.g. bimetallic elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H6/00—Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images
Landscapes
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE251238X | 1942-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH251238A true CH251238A (de) | 1947-10-15 |
Family
ID=50928302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH251238D CH251238A (de) | 1942-11-07 | 1943-10-14 | Uberlastzeitrelais zur Überwachung von technischen Betriebsgrössen, insbesondere zur Überwachung des Laststromes von elektrischen Apparaten oder Maschinen. |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE453176A (enrdf_load_stackoverflow) |
| CH (1) | CH251238A (enrdf_load_stackoverflow) |
| FR (1) | FR899460A (enrdf_load_stackoverflow) |
-
1943
- 1943-10-14 CH CH251238D patent/CH251238A/de unknown
- 1943-11-06 FR FR899460D patent/FR899460A/fr not_active Expired
-
1948
- 1948-11-16 BE BE453176D patent/BE453176A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE453176A (enrdf_load_stackoverflow) | 1943-12-31 |
| FR899460A (fr) | 1945-05-31 |
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