JPS58143437U - overcurrent relay - Google Patents

overcurrent relay

Info

Publication number
JPS58143437U
JPS58143437U JP3829082U JP3829082U JPS58143437U JP S58143437 U JPS58143437 U JP S58143437U JP 3829082 U JP3829082 U JP 3829082U JP 3829082 U JP3829082 U JP 3829082U JP S58143437 U JPS58143437 U JP S58143437U
Authority
JP
Japan
Prior art keywords
circuit
overcurrent
lighting
relay
signal
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
JP3829082U
Other languages
Japanese (ja)
Inventor
正己 榊原
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP3829082U priority Critical patent/JPS58143437U/en
Publication of JPS58143437U publication Critical patent/JPS58143437U/en
Pending legal-status Critical Current

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  • Protection Of Generators And Motors (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来の過電流継電器の概略構成を示すブロック
図、第２図は本考案に係る過電流継電器の概略構成を示
すブロック図である。 各図中同一部材には同一符号を付し、１０は変流器、１
２は過電流検出回路、１４はリレー回路、１６は点灯回
路、２０．２０３はリセット装置である。FIG. 1 is a block diagram showing a schematic configuration of a conventional overcurrent relay, and FIG. 2 is a block diagram showing a schematic configuration of an overcurrent relay according to the present invention. Identical members in each figure are given the same reference numerals; 10 is a current transformer; 1 is a current transformer;
2 is an overcurrent detection circuit, 14 is a relay circuit, 16 is a lighting circuit, and 20.203 is a reset device.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] モータ主回路の負荷電流を検出する変流器と、前記変流
器によって検出された負荷電流が設定基準値を越えたと
きに過電流トリップ信号を出力する過電流検出回路と、
前記過電流トリップ信号により主回路を開放するリレー
回路と、前記過電流トリップ信号により過電流表示灯に
点灯信号を出力保持する点灯回路と、前記点灯回路の点
灯保持作用を解除するリセット装置と、を含む過電流継
電器において、前記リセット装置はモータの再起動を検
出し前記点灯回路に解除信号を供給するりセット回路を
有することを特徴とする過電流継電器。a current transformer that detects a load current in a motor main circuit; an overcurrent detection circuit that outputs an overcurrent trip signal when the load current detected by the current transformer exceeds a set reference value;
a relay circuit that opens the main circuit in response to the overcurrent trip signal; a lighting circuit that outputs and maintains a lighting signal to an overcurrent indicator lamp in response to the overcurrent trip signal; and a reset device that releases the lighting holding action of the lighting circuit; An overcurrent relay comprising: an overcurrent relay, wherein the reset device has a set circuit that detects restart of the motor and supplies a release signal to the lighting circuit.
JP3829082U 1982-03-18 1982-03-18 overcurrent relay Pending JPS58143437U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3829082U JPS58143437U (en) 1982-03-18 1982-03-18 overcurrent relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3829082U JPS58143437U (en) 1982-03-18 1982-03-18 overcurrent relay

Publications (1)

Publication Number Publication Date
JPS58143437U true JPS58143437U (en) 1983-09-27

Family

ID=30049638

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3829082U Pending JPS58143437U (en) 1982-03-18 1982-03-18 overcurrent relay

Country Status (1)

Country Link
JP (1) JPS58143437U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5023803U (en) * 1973-06-29 1975-03-18
JPS5543745U (en) * 1978-09-13 1980-03-21

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5023803U (en) * 1973-06-29 1975-03-18
JPS5543745U (en) * 1978-09-13 1980-03-21

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