JPS646737U - - Google Patents
Info
- Publication number
- JPS646737U JPS646737U JP9929787U JP9929787U JPS646737U JP S646737 U JPS646737 U JP S646737U JP 9929787 U JP9929787 U JP 9929787U JP 9929787 U JP9929787 U JP 9929787U JP S646737 U JPS646737 U JP S646737U
- Authority
- JP
- Japan
- Prior art keywords
- counter
- circuit breaker
- overcurrent
- counts
- trips
- 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
Links
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
図は本考案の一実施例の電気回路図である。
1…交流電源、2…サーキツトブレーカ、3…
負荷設備、4…サーキツトブレーカの警報接点、
5…カウンタ、6…カウンタ接点、7…表示器、
8…抵抗器、9…直流電源。
The figure is an electrical circuit diagram of an embodiment of the present invention. 1...AC power supply, 2...circuit breaker, 3...
Load equipment, 4...circuit breaker alarm contact,
5...Counter, 6...Counter contact, 7...Display device,
8...Resistor, 9...DC power supply.
Claims (1)
この過電流トリツプ回数をカウントするカウンタ
と、このカウンタが規定回数カウントしたときに
点灯する表示器とを備えることを特徴とするサー
キツトブレーカ回路。 A circuit breaker that trips due to overcurrent,
A circuit breaker circuit comprising: a counter that counts the number of overcurrent trips; and an indicator that lights up when the counter counts a predetermined number of times.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9929787U JPS646737U (en) | 1987-06-30 | 1987-06-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9929787U JPS646737U (en) | 1987-06-30 | 1987-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS646737U true JPS646737U (en) | 1989-01-13 |
Family
ID=31326327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9929787U Pending JPS646737U (en) | 1987-06-30 | 1987-06-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS646737U (en) |
-
1987
- 1987-06-30 JP JP9929787U patent/JPS646737U/ja active Pending