JPS5757426A - Vacuum degree monitor for vacuum switch - Google Patents
Vacuum degree monitor for vacuum switchInfo
- Publication number
- JPS5757426A JPS5757426A JP13261680A JP13261680A JPS5757426A JP S5757426 A JPS5757426 A JP S5757426A JP 13261680 A JP13261680 A JP 13261680A JP 13261680 A JP13261680 A JP 13261680A JP S5757426 A JPS5757426 A JP S5757426A
- Authority
- JP
- Japan
- Prior art keywords
- vacuum
- switch
- degree monitor
- vacuum degree
- monitor
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/668—Means for obtaining or monitoring the vacuum
Landscapes
- Measuring Fluid Pressure (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13261680A JPS5757426A (en) | 1980-09-24 | 1980-09-24 | Vacuum degree monitor for vacuum switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13261680A JPS5757426A (en) | 1980-09-24 | 1980-09-24 | Vacuum degree monitor for vacuum switch |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5757426A true JPS5757426A (en) | 1982-04-06 |
JPS6345052B2 JPS6345052B2 (ja) | 1988-09-07 |
Family
ID=15085488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13261680A Granted JPS5757426A (en) | 1980-09-24 | 1980-09-24 | Vacuum degree monitor for vacuum switch |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5757426A (ja) |
-
1980
- 1980-09-24 JP JP13261680A patent/JPS5757426A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6345052B2 (ja) | 1988-09-07 |
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