JPS57191569A - Display device for passing of overcurrent - Google Patents
Display device for passing of overcurrentInfo
- 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
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)
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 |
JP56121188A Division JPS57192014A (en) | 1981-07-31 | 1981-07-31 | Holder for wire in electric apparatus |
JP56121186A Division JPS57191572A (en) | 1981-07-31 | 1981-07-31 | 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 |
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)
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 |
-
1981
- 1981-05-21 JP JP56077105A patent/JPS57191569A/ja active Granted
Cited By (1)
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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