JPS57187822A - Vacuum breaker - Google Patents

Vacuum breaker

Info

Publication number
JPS57187822A
JPS57187822A JP7066781A JP7066781A JPS57187822A JP S57187822 A JPS57187822 A JP S57187822A JP 7066781 A JP7066781 A JP 7066781A JP 7066781 A JP7066781 A JP 7066781A JP S57187822 A JPS57187822 A JP S57187822A
Authority
JP
Japan
Prior art keywords
vacuum breaker
breaker
vacuum
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.)
Pending
Application number
JP7066781A
Other languages
Japanese (ja)
Inventor
Masataka Hayashi
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP7066781A priority Critical patent/JPS57187822A/en
Publication of JPS57187822A publication Critical patent/JPS57187822A/en
Pending legal-status Critical Current

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

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
JP7066781A 1981-05-13 1981-05-13 Vacuum breaker Pending JPS57187822A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7066781A JPS57187822A (en) 1981-05-13 1981-05-13 Vacuum breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7066781A JPS57187822A (en) 1981-05-13 1981-05-13 Vacuum breaker

Publications (1)

Publication Number Publication Date
JPS57187822A true JPS57187822A (en) 1982-11-18

Family

ID=13438241

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7066781A Pending JPS57187822A (en) 1981-05-13 1981-05-13 Vacuum breaker

Country Status (1)

Country Link
JP (1) JPS57187822A (en)

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