JPS57191569A - Display device for passing of overcurrent - Google Patents

Display device for passing of overcurrent

Info

Publication number
JPS57191569A
JPS57191569A JP56077105A JP7710581A JPS57191569A JP S57191569 A JPS57191569 A JP S57191569A JP 56077105 A JP56077105 A JP 56077105A JP 7710581 A JP7710581 A JP 7710581A JP S57191569 A JPS57191569 A JP S57191569A
Authority
JP
Japan
Prior art keywords
overcurrent
valve
display
display device
return spring
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
Application number
JP56077105A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0115033B2 (enrdf_load_stackoverflow
Inventor
Tadashi Takamatsu
Yoshihiro Funakoshi
Mitsuharu Hisatomi
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.)
Takamatsu Electric Works Ltd
Original Assignee
Takamatsu Electric Works 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 Takamatsu Electric Works Ltd filed Critical Takamatsu Electric Works Ltd
Priority to JP56077105A priority Critical patent/JPS57191569A/ja
Publication of JPS57191569A publication Critical patent/JPS57191569A/ja
Publication of JPH0115033B2 publication Critical patent/JPH0115033B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Locating Faults (AREA)
  • Measurement Of Current Or Voltage (AREA)
JP56077105A 1981-05-21 1981-05-21 Display device for passing of overcurrent Granted JPS57191569A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56077105A JPS57191569A (en) 1981-05-21 1981-05-21 Display device for passing of overcurrent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56077105A JPS57191569A (en) 1981-05-21 1981-05-21 Display device for passing of overcurrent

Related Child Applications (5)

Application Number Title Priority Date Filing Date
JP56119504A Division JPS57191570A (en) 1981-07-29 1981-07-29 Display device for passing of overcurrent
JP56121187A Division JPS57192013A (en) 1981-07-31 1981-07-31 Clamping member for wire in overcurrent passage indicator
JP56121185A Division JPS57191571A (en) 1981-07-31 1981-07-31 Display device for passing of overcurrent
JP56121186A Division JPS57191572A (en) 1981-07-31 1981-07-31 Display device for passing of overcurrent
JP56121188A Division JPS57192014A (en) 1981-07-31 1981-07-31 Holder for wire in electric apparatus

Publications (2)

Publication Number Publication Date
JPS57191569A true JPS57191569A (en) 1982-11-25
JPH0115033B2 JPH0115033B2 (enrdf_load_stackoverflow) 1989-03-15

Family

ID=13624495

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56077105A Granted JPS57191569A (en) 1981-05-21 1981-05-21 Display device for passing of overcurrent

Country Status (1)

Country Link
JP (1) JPS57191569A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01280262A (ja) * 1988-05-02 1989-11-10 Tohoku Electric Power Co Inc 地絡事故点探査用表示器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01280262A (ja) * 1988-05-02 1989-11-10 Tohoku Electric Power Co Inc 地絡事故点探査用表示器

Also Published As

Publication number Publication date
JPH0115033B2 (enrdf_load_stackoverflow) 1989-03-15

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