JPH0751714Y2 - 圧力低下表示装置付ガス開閉器 - Google Patents

圧力低下表示装置付ガス開閉器

Info

Publication number
JPH0751714Y2
JPH0751714Y2 JP13053390U JP13053390U JPH0751714Y2 JP H0751714 Y2 JPH0751714 Y2 JP H0751714Y2 JP 13053390 U JP13053390 U JP 13053390U JP 13053390 U JP13053390 U JP 13053390U JP H0751714 Y2 JPH0751714 Y2 JP H0751714Y2
Authority
JP
Japan
Prior art keywords
line
trip
pressure drop
overcurrent detection
gas switch
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.)
Expired - Fee Related
Application number
JP13053390U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0487129U (2
Inventor
義昭 田中
龍美 池田
Original Assignee
株式会社戸上電機製作所
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 株式会社戸上電機製作所 filed Critical 株式会社戸上電機製作所
Priority to JP13053390U priority Critical patent/JPH0751714Y2/ja
Publication of JPH0487129U publication Critical patent/JPH0487129U/ja
Application granted granted Critical
Publication of JPH0751714Y2 publication Critical patent/JPH0751714Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
JP13053390U 1990-11-30 1990-11-30 圧力低下表示装置付ガス開閉器 Expired - Fee Related JPH0751714Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13053390U JPH0751714Y2 (ja) 1990-11-30 1990-11-30 圧力低下表示装置付ガス開閉器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13053390U JPH0751714Y2 (ja) 1990-11-30 1990-11-30 圧力低下表示装置付ガス開閉器

Publications (2)

Publication Number Publication Date
JPH0487129U JPH0487129U (2) 1992-07-29
JPH0751714Y2 true JPH0751714Y2 (ja) 1995-11-22

Family

ID=31877864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13053390U Expired - Fee Related JPH0751714Y2 (ja) 1990-11-30 1990-11-30 圧力低下表示装置付ガス開閉器

Country Status (1)

Country Link
JP (1) JPH0751714Y2 (2)

Also Published As

Publication number Publication date
JPH0487129U (2) 1992-07-29

Similar Documents

Publication Publication Date Title
US6593670B2 (en) Automatic transfer switch and engine control
US8995098B2 (en) Miswire protection and annunciation of system conditions for arc fault circuit interrupters and other wiring devices
EP2630712B1 (en) Circuit breaker with fault indication and secondary power supply
US4713604A (en) Monitoring device for detecting faults in an electrical device, particularly in an LC filter circuit in an AC voltage network
CA1205520A (en) Battery charger failure alarm circuit
JPH09117066A (ja) 系統連系電源システム
CN1988098A (zh) 数字化控制与保护开关电器的控制装置
CN210323280U (zh) 一种剩余电流保护断路器
KR20170106606A (ko) 전자식 전력량계의 래치형 전자접촉기 회로 시스템 및 구동방법
JPH0650925Y2 (ja) 圧力低下表示装置付ガス開閉器
JPH0620174B2 (ja) スイツチング回路
KR102076105B1 (ko) 자동복구 누전차단기
US3579219A (en) Leakage-current detector
JPH0651001A (ja) 交流電圧検出回路
JP2581598B2 (ja) 電気機器保護装置および電気機器制御装置
CN213072199U (zh) 一种双电源自动转换开关电器
CN222441341U (zh) 漏电保护装置和用电器
KR20020074689A (ko) 계전기 감시 장치 및 방법
KR200243727Y1 (ko) 지능형 누전차단기
JPH0128616Y2 (2)
JP2518400B2 (ja) 操作回路用故障監視装置
CN2209402Y (zh) 电动机断相保护器
JP3215336B2 (ja) センサレスポンプ制御装置
KR940003076Y1 (ko) 고장구간 자동개폐기를 위한 제어회로
JPH0729700Y2 (ja) 方向短絡継電器

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees