JPH0417639U - - Google Patents
Info
- Publication number
- JPH0417639U JPH0417639U JP5849790U JP5849790U JPH0417639U JP H0417639 U JPH0417639 U JP H0417639U JP 5849790 U JP5849790 U JP 5849790U JP 5849790 U JP5849790 U JP 5849790U JP H0417639 U JPH0417639 U JP H0417639U
- Authority
- JP
- Japan
- Prior art keywords
- earth leakage
- self
- holding means
- load circuit
- relay
- 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
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
第１図は本考案の一実施例の概略を示す電気回
路のブロツク図である。
Ｌ１〜Ｌｎ……負荷回路、ＺＣＴ１〜ＺＣＴｎ
……零相変流器、ｘ１〜Ｘｎ，ＸＴ……移報出力
リレー、Ｌ１〜Ｌｎ……漏電検出表示灯、ＢＺ…
…漏電検出ブザー、１……報知器、２……自己保
持解除回路、３……漏電リレー、４……外部操作
用端子、５……リセツトスイツチ。
FIG. 1 is a block diagram of an electrical circuit schematically showing an embodiment of the present invention. L1~Ln...Load circuit, ZCT1~ZCTn
...Zero phase current transformer, x1 to Xn, XT... Transfer output relay, L1 to Ln... Leakage detection indicator light, BZ...
... Earth leakage detection buzzer, 1... Alarm, 2... Self-hold release circuit, 3... Earth leakage relay, 4... External operation terminal, 5... Reset switch.
Claims (1)
コイル出力によつて、負荷回路の漏電発生時漏電
報知動作をさせるとともに、自己保持手段によつ
て漏電停止後も漏電報知動作を継続させ、かつ、
手動による自己保持手段の復帰によつて前記漏電
報知動作を停止させる漏電リレーにおいて、前記
自己保持手段を外部操作によつて復帰させるため
の外部操作用端子を設けることを特徴とする漏電
リレー。 The output of the secondary coil of the zero-phase current transformer whose primary coil is the load circuit is used to activate the earth leakage alarm when earth leakage occurs in the load circuit, and the self-holding means continues the earth leakage alarm operation even after the earth leakage has stopped. Let, and
An earth leakage relay that stops the earth leakage alarm operation by manually returning the self-holding means, characterized in that an earth leakage relay is provided with an external operation terminal for restoring the self-holding means by external operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5849790U JPH0417639U (en) | 1990-06-01 | 1990-06-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5849790U JPH0417639U (en) | 1990-06-01 | 1990-06-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0417639U true JPH0417639U (en) | 1992-02-13 |
Family
ID=31584160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5849790U Pending JPH0417639U (en) | 1990-06-01 | 1990-06-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0417639U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007023961A1 (en) * | 2005-08-26 | 2007-03-01 | Matsushita Electric Industrial Co., Ltd. | Electric device and heating cooking device |
| JP2007147095A (en) * | 2005-11-24 | 2007-06-14 | Matsushita Electric Ind Co Ltd | Cooker |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0274130A (en) * | 1988-09-06 | 1990-03-14 | Mitsubishi Electric Corp | Controller/monitor for distribution machinery and apparatus |
-
1990
- 1990-06-01 JP JP5849790U patent/JPH0417639U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0274130A (en) * | 1988-09-06 | 1990-03-14 | Mitsubishi Electric Corp | Controller/monitor for distribution machinery and apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007023961A1 (en) * | 2005-08-26 | 2007-03-01 | Matsushita Electric Industrial Co., Ltd. | Electric device and heating cooking device |
| JP2007147095A (en) * | 2005-11-24 | 2007-06-14 | Matsushita Electric Ind Co Ltd | Cooker |
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