JPS6345052B2 - - Google Patents

Info

Publication number
JPS6345052B2
JPS6345052B2 JP13261680A JP13261680A JPS6345052B2 JP S6345052 B2 JPS6345052 B2 JP S6345052B2 JP 13261680 A JP13261680 A JP 13261680A JP 13261680 A JP13261680 A JP 13261680A JP S6345052 B2 JPS6345052 B2 JP S6345052B2
Authority
JP
Japan
Prior art keywords
vacuum
voltage
light
degree
electro
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
Application number
JP13261680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5757426A (en
Inventor
Tomio Fukushima
Shuzo Tanigaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meidensha Corp
Original Assignee
Meidensha Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Meidensha Corp filed Critical Meidensha Corp
Priority to JP13261680A priority Critical patent/JPS5757426A/ja
Publication of JPS5757426A publication Critical patent/JPS5757426A/ja
Publication of JPS6345052B2 publication Critical patent/JPS6345052B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/668Means for obtaining or monitoring the vacuum

Landscapes

  • Measuring Fluid Pressure (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
JP13261680A 1980-09-24 1980-09-24 Vacuum degree monitor for vacuum switch Granted JPS5757426A (en)

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 JPS5757426A (en) 1982-04-06
JPS6345052B2 true JPS6345052B2 (US06544258-20030408-M00015.png) 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 (US06544258-20030408-M00015.png)

Also Published As

Publication number Publication date
JPS5757426A (en) 1982-04-06

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