JPH0410538U - - Google Patents

Info

Publication number
JPH0410538U
JPH0410538U JP4822190U JP4822190U JPH0410538U JP H0410538 U JPH0410538 U JP H0410538U JP 4822190 U JP4822190 U JP 4822190U JP 4822190 U JP4822190 U JP 4822190U JP H0410538 U JPH0410538 U JP H0410538U
Authority
JP
Japan
Prior art keywords
power supply
isolation transformer
grounded
wire
supply line
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
Application number
JP4822190U
Other languages
English (en)
Other versions
JP2550214Y2 (ja
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 filed Critical
Priority to JP1990048221U priority Critical patent/JP2550214Y2/ja
Publication of JPH0410538U publication Critical patent/JPH0410538U/ja
Application granted granted Critical
Publication of JP2550214Y2 publication Critical patent/JP2550214Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例に係る電源装置の概
略構成を示す図、第2図は従来の電源装置の概略
構成を示す図、B……電源装置、1……トランス
、2……負荷、3……絶縁トランス、4a,4b
……電源を供給するライン、5……電流遮断器、
6……入力側保安器、7……負荷側保安器、8…
…シールド部材、9……共通接地線、10……ア
レスタ、11,12……スイツチ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 1線接地の電源供給ラインと負荷との間に設け
    られたシールドは接地されたシールド付絶縁トラ
    ンスと、この絶縁トランスの入力端の電源供給ラ
    インに設けられた過負荷電流が流れたとき開放動
    作する電流遮断器と、この電流遮断器の入力端の
    電源供給ラインの接地された1線に前記絶縁トラ
    ンスの耐電圧より低い電圧で動作するアレスタを
    介して前記絶縁トランスの出力端の1線と共通に
    して接地したことを特徴とする電源装置。
JP1990048221U 1990-05-09 1990-05-09 電源装置 Expired - Lifetime JP2550214Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990048221U JP2550214Y2 (ja) 1990-05-09 1990-05-09 電源装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990048221U JP2550214Y2 (ja) 1990-05-09 1990-05-09 電源装置

Publications (2)

Publication Number Publication Date
JPH0410538U true JPH0410538U (ja) 1992-01-29
JP2550214Y2 JP2550214Y2 (ja) 1997-10-08

Family

ID=31564836

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990048221U Expired - Lifetime JP2550214Y2 (ja) 1990-05-09 1990-05-09 電源装置

Country Status (1)

Country Link
JP (1) JP2550214Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010193632A (ja) * 2009-02-18 2010-09-02 Hakusan Mfg Co Ltd Catvシステムの無停電電源供給装置用雷防護装置およびそれを備える無停電電源供給装置
JP2012222960A (ja) * 2011-04-08 2012-11-12 Sankosha Corp 電源用保安器及び電源回路保安装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56145729A (en) * 1980-04-09 1981-11-12 Nisshin Denki Safety unit for communication
JPH02111225A (ja) * 1988-10-18 1990-04-24 Nippon Telegr & Teleph Corp <Ntt> 雷等の防護回路

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56145729A (en) * 1980-04-09 1981-11-12 Nisshin Denki Safety unit for communication
JPH02111225A (ja) * 1988-10-18 1990-04-24 Nippon Telegr & Teleph Corp <Ntt> 雷等の防護回路

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010193632A (ja) * 2009-02-18 2010-09-02 Hakusan Mfg Co Ltd Catvシステムの無停電電源供給装置用雷防護装置およびそれを備える無停電電源供給装置
JP2012222960A (ja) * 2011-04-08 2012-11-12 Sankosha Corp 電源用保安器及び電源回路保安装置

Also Published As

Publication number Publication date
JP2550214Y2 (ja) 1997-10-08

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Legal Events

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R250 Receipt of annual fees

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EXPY Cancellation because of completion of term