FR740532A - Current overload switch with thermal tripping device and variable resistor connected in parallel - Google Patents
Current overload switch with thermal tripping device and variable resistor connected in parallelInfo
- Publication number
- FR740532A FR740532A FR740532DA FR740532A FR 740532 A FR740532 A FR 740532A FR 740532D A FR740532D A FR 740532DA FR 740532 A FR740532 A FR 740532A
- Authority
- FR
- France
- Prior art keywords
- parallel
- variable resistor
- resistor connected
- tripping device
- current overload
- 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
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H71/7427—Adjusting only the electrothermal mechanism
-
- 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
- H01H2071/749—Means for adjusting the conditions under which the device will function to provide protection with a shunt element connected in parallel to magnetic or thermal trip elements, e.g. for adjusting trip current
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEL81673D DE575694C (en) | 1932-07-24 | 1932-07-24 | Overcurrent switch with a thermal tripping device and with a controllable resistance coil connected in parallel to this |
FR740532T | 1932-07-27 | ||
GB21484/32A GB384946A (en) | 1932-07-24 | 1932-07-29 | Overload circuit breaker with thermal release device and variable resistance connected in parallel |
Publications (1)
Publication Number | Publication Date |
---|---|
FR740532A true FR740532A (en) | 1933-01-27 |
Family
ID=10163709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR740532D Expired FR740532A (en) | 1932-07-24 | 1932-07-27 | Current overload switch with thermal tripping device and variable resistor connected in parallel |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE575694C (en) |
FR (1) | FR740532A (en) |
GB (1) | GB384946A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2847536A (en) * | 1956-04-17 | 1958-08-12 | Robertshaw Fulton Controls Co | Anticipatory heater circuit for thermostat controls |
FR2600457A1 (en) * | 1986-06-20 | 1987-12-24 | Gen Electric | CALIBRATION SHEET FOR CIRCUIT BREAKERS IN MOLDED HOUSING |
-
1932
- 1932-07-24 DE DEL81673D patent/DE575694C/en not_active Expired
- 1932-07-27 FR FR740532D patent/FR740532A/en not_active Expired
- 1932-07-29 GB GB21484/32A patent/GB384946A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2847536A (en) * | 1956-04-17 | 1958-08-12 | Robertshaw Fulton Controls Co | Anticipatory heater circuit for thermostat controls |
FR2600457A1 (en) * | 1986-06-20 | 1987-12-24 | Gen Electric | CALIBRATION SHEET FOR CIRCUIT BREAKERS IN MOLDED HOUSING |
Also Published As
Publication number | Publication date |
---|---|
DE575694C (en) | 1933-05-02 |
GB384946A (en) | 1932-12-15 |
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