FR1129657A - Control and safety device for electrical equipment - Google Patents
Control and safety device for electrical equipmentInfo
- Publication number
- FR1129657A FR1129657A FR1129657DA FR1129657A FR 1129657 A FR1129657 A FR 1129657A FR 1129657D A FR1129657D A FR 1129657DA FR 1129657 A FR1129657 A FR 1129657A
- Authority
- FR
- France
- Prior art keywords
- control
- electrical equipment
- safety device
- safety
- electrical
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
- H02H7/0856—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load characterised by the protection measure taken
- H02H7/0858—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load characterised by the protection measure taken by reversing, cycling or reducing the power supply to the motor
-
- 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
- H01H71/16—Electrothermal mechanisms with bimetal element
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1129657T | 1955-08-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1129657A true FR1129657A (en) | 1957-01-24 |
Family
ID=9637027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1129657D Expired FR1129657A (en) | 1955-08-01 | 1955-08-01 | Control and safety device for electrical equipment |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1129657A (en) |
-
1955
- 1955-08-01 FR FR1129657D patent/FR1129657A/en not_active Expired
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